modiloader | 7d82fb6ab636b9f907feda70402204c9e7749745c1053003266d9eb1428efc3e

Analysis

max time kernel
118s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01/12/2024, 15:46

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General

Target

7d82fb6ab636b9f907feda70402204c9e7749745c1053003266d9eb1428efc3e.exe
Size

90KB
MD5

5f07e6c726838e9f4598bafeb66b9fa1
SHA1

2246d3aafd59936ee765faf23574bba40facdd5f
SHA256

7d82fb6ab636b9f907feda70402204c9e7749745c1053003266d9eb1428efc3e
SHA512

1cbe2eee9ac01b802a42ff5248ca752b240ebaa748b63e6730c94e80d6a02b0d3ef94739825ae3997ac075fe95f8814735b03e8b7a349aa6b2e5495410dd7dba
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDw:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE32

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/1816-255-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/1816-257-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1988	csrsll.exe
1920	csrsll.exe
1816	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2616	7d82fb6ab636b9f907feda70402204c9e7749745c1053003266d9eb1428efc3e.exe
2616	7d82fb6ab636b9f907feda70402204c9e7749745c1053003266d9eb1428efc3e.exe
2616	7d82fb6ab636b9f907feda70402204c9e7749745c1053003266d9eb1428efc3e.exe
2616	7d82fb6ab636b9f907feda70402204c9e7749745c1053003266d9eb1428efc3e.exe
2616	7d82fb6ab636b9f907feda70402204c9e7749745c1053003266d9eb1428efc3e.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-1-5-21-2872745919-2748461613-2989606286-1000\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 2236 set thread context of 2616	2236	7d82fb6ab636b9f907feda70402204c9e7749745c1053003266d9eb1428efc3e.exe	31
PID 1988 set thread context of 1920	1988	csrsll.exe	36
PID 1988 set thread context of 1816	1988	csrsll.exe	37

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2236-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2236-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2616-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2236-106-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2616-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2616-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2616-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2616-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2616-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2616-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2236-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x0009000000018683-130.dat	upx
behavioral1/memory/2616-132-0x00000000030F0000-0x0000000003143000-memory.dmp	upx
behavioral1/memory/1988-149-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2616-152-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1988-210-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1816-255-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1920-254-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2616-253-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1988-250-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1920-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1816-257-0x0000000000400000-0x0000000000414000-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	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	7d82fb6ab636b9f907feda70402204c9e7749745c1053003266d9eb1428efc3e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7d82fb6ab636b9f907feda70402204c9e7749745c1053003266d9eb1428efc3e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe
Token: SeDebugPrivilege	1920	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2236	7d82fb6ab636b9f907feda70402204c9e7749745c1053003266d9eb1428efc3e.exe
2616	7d82fb6ab636b9f907feda70402204c9e7749745c1053003266d9eb1428efc3e.exe
1988	csrsll.exe
1920	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 2616	2236	7d82fb6ab636b9f907feda70402204c9e7749745c1053003266d9eb1428efc3e.exe	31
PID 2236 wrote to memory of 2616	2236	7d82fb6ab636b9f907feda70402204c9e7749745c1053003266d9eb1428efc3e.exe	31
PID 2236 wrote to memory of 2616	2236	7d82fb6ab636b9f907feda70402204c9e7749745c1053003266d9eb1428efc3e.exe	31
PID 2236 wrote to memory of 2616	2236	7d82fb6ab636b9f907feda70402204c9e7749745c1053003266d9eb1428efc3e.exe	31
PID 2236 wrote to memory of 2616	2236	7d82fb6ab636b9f907feda70402204c9e7749745c1053003266d9eb1428efc3e.exe	31
PID 2236 wrote to memory of 2616	2236	7d82fb6ab636b9f907feda70402204c9e7749745c1053003266d9eb1428efc3e.exe	31
PID 2236 wrote to memory of 2616	2236	7d82fb6ab636b9f907feda70402204c9e7749745c1053003266d9eb1428efc3e.exe	31
PID 2236 wrote to memory of 2616	2236	7d82fb6ab636b9f907feda70402204c9e7749745c1053003266d9eb1428efc3e.exe	31
PID 2616 wrote to memory of 1684	2616	7d82fb6ab636b9f907feda70402204c9e7749745c1053003266d9eb1428efc3e.exe	32
PID 2616 wrote to memory of 1684	2616	7d82fb6ab636b9f907feda70402204c9e7749745c1053003266d9eb1428efc3e.exe	32
PID 2616 wrote to memory of 1684	2616	7d82fb6ab636b9f907feda70402204c9e7749745c1053003266d9eb1428efc3e.exe	32
PID 2616 wrote to memory of 1684	2616	7d82fb6ab636b9f907feda70402204c9e7749745c1053003266d9eb1428efc3e.exe	32
PID 1684 wrote to memory of 2472	1684	cmd.exe	34
PID 1684 wrote to memory of 2472	1684	cmd.exe	34
PID 1684 wrote to memory of 2472	1684	cmd.exe	34
PID 1684 wrote to memory of 2472	1684	cmd.exe	34
PID 2616 wrote to memory of 1988	2616	7d82fb6ab636b9f907feda70402204c9e7749745c1053003266d9eb1428efc3e.exe	35
PID 2616 wrote to memory of 1988	2616	7d82fb6ab636b9f907feda70402204c9e7749745c1053003266d9eb1428efc3e.exe	35
PID 2616 wrote to memory of 1988	2616	7d82fb6ab636b9f907feda70402204c9e7749745c1053003266d9eb1428efc3e.exe	35
PID 2616 wrote to memory of 1988	2616	7d82fb6ab636b9f907feda70402204c9e7749745c1053003266d9eb1428efc3e.exe	35
PID 1988 wrote to memory of 1920	1988	csrsll.exe	36
PID 1988 wrote to memory of 1920	1988	csrsll.exe	36
PID 1988 wrote to memory of 1920	1988	csrsll.exe	36
PID 1988 wrote to memory of 1920	1988	csrsll.exe	36
PID 1988 wrote to memory of 1920	1988	csrsll.exe	36
PID 1988 wrote to memory of 1920	1988	csrsll.exe	36
PID 1988 wrote to memory of 1920	1988	csrsll.exe	36
PID 1988 wrote to memory of 1920	1988	csrsll.exe	36
PID 1988 wrote to memory of 1816	1988	csrsll.exe	37
PID 1988 wrote to memory of 1816	1988	csrsll.exe	37
PID 1988 wrote to memory of 1816	1988	csrsll.exe	37
PID 1988 wrote to memory of 1816	1988	csrsll.exe	37
PID 1988 wrote to memory of 1816	1988	csrsll.exe	37
PID 1988 wrote to memory of 1816	1988	csrsll.exe	37
PID 1988 wrote to memory of 1816	1988	csrsll.exe	37
PID 1988 wrote to memory of 1816	1988	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\7d82fb6ab636b9f907feda70402204c9e7749745c1053003266d9eb1428efc3e.exe
"C:\Users\Admin\AppData\Local\Temp\7d82fb6ab636b9f907feda70402204c9e7749745c1053003266d9eb1428efc3e.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Users\Admin\AppData\Local\Temp\7d82fb6ab636b9f907feda70402204c9e7749745c1053003266d9eb1428efc3e.exe
  "C:\Users\Admin\AppData\Local\Temp\7d82fb6ab636b9f907feda70402204c9e7749745c1053003266d9eb1428efc3e.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2616
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\UMABV.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1684
  - - 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:2472
- - 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:1988
  - - 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:1920
  - - 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:1816

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\UMABV.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
1f14b736f3340517578e02ad93ea05e0

SHA1
7dcbb96d601c22bb943337c3b8af0b5878137bb1

SHA256
09cbfa7096d8f7246dd51c6a42991ecf2e68fce04d6df5483c84be26fb1e6387

SHA512
a6620bc28ffa7881c85b8985b99d930fa741a4a420dec61585f4933e5c040d74840df6ce3a9a17915ec512e24afe599511b295d8f8fbcd84b17a246a3d54ae72

Download Submit
memory/1816-257-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1816-255-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1920-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1920-254-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1988-250-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1988-176-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1988-210-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1988-165-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1988-155-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1988-149-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2236-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2236-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2236-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2236-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2236-15-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2236-79-0x00000000003F0000-0x00000000003F2000-memory.dmp

Filesize
8KB

Download
memory/2236-71-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/2236-61-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/2236-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2236-29-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/2236-41-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/2236-106-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2236-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2616-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2616-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2616-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2616-148-0x00000000030F0000-0x0000000003143000-memory.dmp

Filesize
332KB

Download
memory/2616-152-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2616-151-0x00000000030F0000-0x0000000003143000-memory.dmp

Filesize
332KB

Download
memory/2616-132-0x00000000030F0000-0x0000000003143000-memory.dmp

Filesize
332KB

Download
memory/2616-150-0x00000000030F0000-0x0000000003143000-memory.dmp

Filesize
332KB

Download
memory/2616-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2616-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2616-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2616-253-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2616-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2616-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2616-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads