modiloader | 2e65107d4351d06b6682cd07262c711e895937df458a663f49f77d75509129a8

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/12/2024, 01:29

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General

Target

2e65107d4351d06b6682cd07262c711e895937df458a663f49f77d75509129a8N.exe
Size

90KB
MD5

3c81b84ad1ccc4a8ea4304426003a0c0
SHA1

2ede6ff82c9a03b814a06e3413e29fffc2d9b954
SHA256

2e65107d4351d06b6682cd07262c711e895937df458a663f49f77d75509129a8
SHA512

a585dad82391d4b5caff5d0b81f38fd676cbb3813b5c7c5ff50d2732c9779c2497a217af0335bc7f957c3c6d04b33da0ce0d0752884b22dec6998f27fd7673f3
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDg:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3i

Score

10^/10

modiloader discovery persistence trojan upx

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
Modiloader family
modiloader

ModiLoader Second Stage 2 IoCs

resource	yara_rule
behavioral1/memory/1060-257-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/1060-264-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
552	csrsll.exe
1600	csrsll.exe
1060	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2608	2e65107d4351d06b6682cd07262c711e895937df458a663f49f77d75509129a8N.exe
2608	2e65107d4351d06b6682cd07262c711e895937df458a663f49f77d75509129a8N.exe
2608	2e65107d4351d06b6682cd07262c711e895937df458a663f49f77d75509129a8N.exe
2608	2e65107d4351d06b6682cd07262c711e895937df458a663f49f77d75509129a8N.exe
2608	2e65107d4351d06b6682cd07262c711e895937df458a663f49f77d75509129a8N.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1260 set thread context of 2608	1260	2e65107d4351d06b6682cd07262c711e895937df458a663f49f77d75509129a8N.exe	30
PID 552 set thread context of 1600	552	csrsll.exe	36
PID 552 set thread context of 1060	552	csrsll.exe	37

UPX packed file 23 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1260-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1260-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2608-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1260-105-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2608-110-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2608-109-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2608-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2608-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2608-97-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2608-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1260-92-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1260-87-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1260-82-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1260-79-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x0009000000019228-135.dat	upx
behavioral1/memory/2608-156-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/552-216-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2608-262-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/552-259-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1060-257-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1600-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1060-264-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1600-263-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2e65107d4351d06b6682cd07262c711e895937df458a663f49f77d75509129a8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2e65107d4351d06b6682cd07262c711e895937df458a663f49f77d75509129a8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1260	2e65107d4351d06b6682cd07262c711e895937df458a663f49f77d75509129a8N.exe
2608	2e65107d4351d06b6682cd07262c711e895937df458a663f49f77d75509129a8N.exe
552	csrsll.exe
1600	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1260 wrote to memory of 2608	1260	2e65107d4351d06b6682cd07262c711e895937df458a663f49f77d75509129a8N.exe	30
PID 1260 wrote to memory of 2608	1260	2e65107d4351d06b6682cd07262c711e895937df458a663f49f77d75509129a8N.exe	30
PID 1260 wrote to memory of 2608	1260	2e65107d4351d06b6682cd07262c711e895937df458a663f49f77d75509129a8N.exe	30
PID 1260 wrote to memory of 2608	1260	2e65107d4351d06b6682cd07262c711e895937df458a663f49f77d75509129a8N.exe	30
PID 1260 wrote to memory of 2608	1260	2e65107d4351d06b6682cd07262c711e895937df458a663f49f77d75509129a8N.exe	30
PID 1260 wrote to memory of 2608	1260	2e65107d4351d06b6682cd07262c711e895937df458a663f49f77d75509129a8N.exe	30
PID 1260 wrote to memory of 2608	1260	2e65107d4351d06b6682cd07262c711e895937df458a663f49f77d75509129a8N.exe	30
PID 1260 wrote to memory of 2608	1260	2e65107d4351d06b6682cd07262c711e895937df458a663f49f77d75509129a8N.exe	30
PID 2608 wrote to memory of 2664	2608	2e65107d4351d06b6682cd07262c711e895937df458a663f49f77d75509129a8N.exe	31
PID 2608 wrote to memory of 2664	2608	2e65107d4351d06b6682cd07262c711e895937df458a663f49f77d75509129a8N.exe	31
PID 2608 wrote to memory of 2664	2608	2e65107d4351d06b6682cd07262c711e895937df458a663f49f77d75509129a8N.exe	31
PID 2608 wrote to memory of 2664	2608	2e65107d4351d06b6682cd07262c711e895937df458a663f49f77d75509129a8N.exe	31
PID 2664 wrote to memory of 1084	2664	cmd.exe	33
PID 2664 wrote to memory of 1084	2664	cmd.exe	33
PID 2664 wrote to memory of 1084	2664	cmd.exe	33
PID 2664 wrote to memory of 1084	2664	cmd.exe	33
PID 2608 wrote to memory of 552	2608	2e65107d4351d06b6682cd07262c711e895937df458a663f49f77d75509129a8N.exe	34
PID 2608 wrote to memory of 552	2608	2e65107d4351d06b6682cd07262c711e895937df458a663f49f77d75509129a8N.exe	34
PID 2608 wrote to memory of 552	2608	2e65107d4351d06b6682cd07262c711e895937df458a663f49f77d75509129a8N.exe	34
PID 2608 wrote to memory of 552	2608	2e65107d4351d06b6682cd07262c711e895937df458a663f49f77d75509129a8N.exe	34
PID 552 wrote to memory of 1600	552	csrsll.exe	36
PID 552 wrote to memory of 1600	552	csrsll.exe	36
PID 552 wrote to memory of 1600	552	csrsll.exe	36
PID 552 wrote to memory of 1600	552	csrsll.exe	36
PID 552 wrote to memory of 1600	552	csrsll.exe	36
PID 552 wrote to memory of 1600	552	csrsll.exe	36
PID 552 wrote to memory of 1600	552	csrsll.exe	36
PID 552 wrote to memory of 1600	552	csrsll.exe	36
PID 552 wrote to memory of 1060	552	csrsll.exe	37
PID 552 wrote to memory of 1060	552	csrsll.exe	37
PID 552 wrote to memory of 1060	552	csrsll.exe	37
PID 552 wrote to memory of 1060	552	csrsll.exe	37
PID 552 wrote to memory of 1060	552	csrsll.exe	37
PID 552 wrote to memory of 1060	552	csrsll.exe	37
PID 552 wrote to memory of 1060	552	csrsll.exe	37
PID 552 wrote to memory of 1060	552	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\2e65107d4351d06b6682cd07262c711e895937df458a663f49f77d75509129a8N.exe
"C:\Users\Admin\AppData\Local\Temp\2e65107d4351d06b6682cd07262c711e895937df458a663f49f77d75509129a8N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1260
- C:\Users\Admin\AppData\Local\Temp\2e65107d4351d06b6682cd07262c711e895937df458a663f49f77d75509129a8N.exe
  "C:\Users\Admin\AppData\Local\Temp\2e65107d4351d06b6682cd07262c711e895937df458a663f49f77d75509129a8N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2608
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\AQQOW.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2664
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:1084
- - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:552
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:1600
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:1060

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\AQQOW.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe

Filesize
90KB

MD5
efc74a862564dcc99860a8492e93fd12

SHA1
490614ce133831f9f02bd733eba769382fcc25d7

SHA256
126de0931eecc5aedb19beeb8e8be4a216d83614e023a4ffd2f5a15f5647f096

SHA512
1198fad63a7ea620f5f5a6072c0b36201397fb03c05d5ad9b309f61d0342b5ee938d6cf1b9b03360db21c0cbb84ebb4ba78542bde24ef52a88a090616925ea91

Download Submit
memory/552-259-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/552-169-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/552-216-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/552-180-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/552-159-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1060-264-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1060-257-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1260-79-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1260-92-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1260-102-0x0000000000560000-0x00000000005B3000-memory.dmp

Filesize
332KB

Download
memory/1260-3-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1260-105-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1260-23-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1260-15-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1260-5-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1260-28-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/1260-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1260-87-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1260-82-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1260-80-0x00000000003B0000-0x00000000003B2000-memory.dmp

Filesize
8KB

Download
memory/1260-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1260-71-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/1260-61-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/1260-41-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/1600-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1600-263-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2608-152-0x00000000026A0000-0x00000000026F3000-memory.dmp

Filesize
332KB

Download
memory/2608-151-0x00000000026A0000-0x00000000026F3000-memory.dmp

Filesize
332KB

Download
memory/2608-150-0x00000000026A0000-0x00000000026F3000-memory.dmp

Filesize
332KB

Download
memory/2608-149-0x00000000026A0000-0x00000000026F3000-memory.dmp

Filesize
332KB

Download
memory/2608-156-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2608-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2608-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2608-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2608-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2608-253-0x00000000026A0000-0x00000000026F3000-memory.dmp

Filesize
332KB

Download
memory/2608-262-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2608-97-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2608-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2608-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2608-255-0x00000000026A0000-0x00000000026F3000-memory.dmp

Filesize
332KB

Download
memory/2608-254-0x00000000026A0000-0x00000000026F3000-memory.dmp

Filesize
332KB

Download
memory/2608-109-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2608-110-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads