modiloader | c97ecd0fecefe1ac926bfb8ed5f82a3eb4a87cd51d2edcaa26eeb954756465e0

Analysis

max time kernel
118s
max time network
117s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
02/09/2024, 04:16

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General

Target

d0c727478021817a0bd94a993c927440N.exe
Size

90KB
MD5

d0c727478021817a0bd94a993c927440
SHA1

bcd14a9d096b1b23661f99b3875c4d9cb2327926
SHA256

c97ecd0fecefe1ac926bfb8ed5f82a3eb4a87cd51d2edcaa26eeb954756465e0
SHA512

964497c23377f78d7b1019e340161df2856239b6f18833b37d95faa8c89015b4bd47572f99d6963e3f47570e1c7dd98553f47a7a3d5e7c84046f70e3d64e5df9
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

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 Second Stage 1 IoCs

resource	yara_rule
behavioral1/memory/1736-266-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2904	csrsll.exe
2468	csrsll.exe
1736	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
1640	d0c727478021817a0bd94a993c927440N.exe
1640	d0c727478021817a0bd94a993c927440N.exe
1640	d0c727478021817a0bd94a993c927440N.exe
1640	d0c727478021817a0bd94a993c927440N.exe
1640	d0c727478021817a0bd94a993c927440N.exe

UPX packed file 26 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2824-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2824-92-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2824-87-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1640-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2824-103-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1640-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1640-97-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1640-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1640-109-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1640-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1640-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1640-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2824-82-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2824-79-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2824-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x0008000000012119-134.dat	upx
behavioral1/memory/1640-136-0x0000000003190000-0x00000000031E3000-memory.dmp	upx
behavioral1/memory/1640-155-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2904-216-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2468-249-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2904-256-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1640-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1736-254-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2904-253-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2468-263-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1736-266-0x0000000000400000-0x0000000000414000-memory.dmp	upx

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-1-5-21-3502430532-24693940-2469786940-1000\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 2824 set thread context of 1640	2824	d0c727478021817a0bd94a993c927440N.exe	30
PID 2904 set thread context of 2468	2904	csrsll.exe	35
PID 2904 set thread context of 1736	2904	csrsll.exe	36

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	d0c727478021817a0bd94a993c927440N.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d0c727478021817a0bd94a993c927440N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2824	d0c727478021817a0bd94a993c927440N.exe
1640	d0c727478021817a0bd94a993c927440N.exe
2904	csrsll.exe
2468	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2824 wrote to memory of 1640	2824	d0c727478021817a0bd94a993c927440N.exe	30
PID 2824 wrote to memory of 1640	2824	d0c727478021817a0bd94a993c927440N.exe	30
PID 2824 wrote to memory of 1640	2824	d0c727478021817a0bd94a993c927440N.exe	30
PID 2824 wrote to memory of 1640	2824	d0c727478021817a0bd94a993c927440N.exe	30
PID 2824 wrote to memory of 1640	2824	d0c727478021817a0bd94a993c927440N.exe	30
PID 2824 wrote to memory of 1640	2824	d0c727478021817a0bd94a993c927440N.exe	30
PID 2824 wrote to memory of 1640	2824	d0c727478021817a0bd94a993c927440N.exe	30
PID 2824 wrote to memory of 1640	2824	d0c727478021817a0bd94a993c927440N.exe	30
PID 1640 wrote to memory of 2184	1640	d0c727478021817a0bd94a993c927440N.exe	31
PID 1640 wrote to memory of 2184	1640	d0c727478021817a0bd94a993c927440N.exe	31
PID 1640 wrote to memory of 2184	1640	d0c727478021817a0bd94a993c927440N.exe	31
PID 1640 wrote to memory of 2184	1640	d0c727478021817a0bd94a993c927440N.exe	31
PID 2184 wrote to memory of 2792	2184	cmd.exe	33
PID 2184 wrote to memory of 2792	2184	cmd.exe	33
PID 2184 wrote to memory of 2792	2184	cmd.exe	33
PID 2184 wrote to memory of 2792	2184	cmd.exe	33
PID 1640 wrote to memory of 2904	1640	d0c727478021817a0bd94a993c927440N.exe	34
PID 1640 wrote to memory of 2904	1640	d0c727478021817a0bd94a993c927440N.exe	34
PID 1640 wrote to memory of 2904	1640	d0c727478021817a0bd94a993c927440N.exe	34
PID 1640 wrote to memory of 2904	1640	d0c727478021817a0bd94a993c927440N.exe	34
PID 2904 wrote to memory of 2468	2904	csrsll.exe	35
PID 2904 wrote to memory of 2468	2904	csrsll.exe	35
PID 2904 wrote to memory of 2468	2904	csrsll.exe	35
PID 2904 wrote to memory of 2468	2904	csrsll.exe	35
PID 2904 wrote to memory of 2468	2904	csrsll.exe	35
PID 2904 wrote to memory of 2468	2904	csrsll.exe	35
PID 2904 wrote to memory of 2468	2904	csrsll.exe	35
PID 2904 wrote to memory of 2468	2904	csrsll.exe	35
PID 2904 wrote to memory of 1736	2904	csrsll.exe	36
PID 2904 wrote to memory of 1736	2904	csrsll.exe	36
PID 2904 wrote to memory of 1736	2904	csrsll.exe	36
PID 2904 wrote to memory of 1736	2904	csrsll.exe	36
PID 2904 wrote to memory of 1736	2904	csrsll.exe	36
PID 2904 wrote to memory of 1736	2904	csrsll.exe	36
PID 2904 wrote to memory of 1736	2904	csrsll.exe	36
PID 2904 wrote to memory of 1736	2904	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\d0c727478021817a0bd94a993c927440N.exe
"C:\Users\Admin\AppData\Local\Temp\d0c727478021817a0bd94a993c927440N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2824
- C:\Users\Admin\AppData\Local\Temp\d0c727478021817a0bd94a993c927440N.exe
  "C:\Users\Admin\AppData\Local\Temp\d0c727478021817a0bd94a993c927440N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1640
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\FRWSG.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2184
  - - 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:2792
- - 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:2904
  - - 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:2468
  - - 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:1736

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

Replay Monitor

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Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
e130a4ea787128a78916d341e523d75b

SHA1
02eaf653cb22d3243fd50d3f61e4e52bb6a3c509

SHA256
be20fd5a19f0b9413b2565d4d2a293399972c469c42c7a3c9f2cecb379c6e61f

SHA512
f4f8c88e6e955de52ca98c6b4efb2a0860433c0643049374ad7a5cb0ae971e71e523af0767ac4781debb40b639e5f9807bfdca3388e153289cb8642c3f464755

Download Submit
memory/1640-156-0x0000000003190000-0x00000000031E3000-memory.dmp

Filesize
332KB

Download
memory/1640-109-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1640-136-0x0000000003190000-0x00000000031E3000-memory.dmp

Filesize
332KB

Download
memory/1640-151-0x0000000003190000-0x00000000031E3000-memory.dmp

Filesize
332KB

Download
memory/1640-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1640-245-0x0000000003190000-0x00000000031E3000-memory.dmp

Filesize
332KB

Download
memory/1640-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1640-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1640-97-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1640-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1640-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1640-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1640-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1640-248-0x0000000003190000-0x00000000031E3000-memory.dmp

Filesize
332KB

Download
memory/1640-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1640-150-0x0000000003190000-0x00000000031E3000-memory.dmp

Filesize
332KB

Download
memory/1640-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1640-149-0x0000000003190000-0x00000000031E3000-memory.dmp

Filesize
332KB

Download
memory/1640-155-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1736-254-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1736-266-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2468-249-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2468-263-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2824-82-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2824-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2824-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2824-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2824-29-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2824-41-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2824-61-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2824-71-0x00000000004E0000-0x00000000004E1000-memory.dmp

Filesize
4KB

Download
memory/2824-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2824-92-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2824-87-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2824-103-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2824-15-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2824-79-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2824-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2824-80-0x0000000000500000-0x0000000000502000-memory.dmp

Filesize
8KB

Download
memory/2904-256-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2904-253-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2904-169-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2904-180-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2904-216-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2904-159-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads