modiloader | cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377

Analysis

max time kernel
150s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 05:41

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General

Target

cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe
Size

90KB
MD5

568191ff4d42f3b4e07c846000396d53
SHA1

a00dcd3c927796699210b90f2b26b0994b176b28
SHA256

cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377
SHA512

62cb24feaa515846fcb03674b8b9cc6b86117d889c7dfc6431611681df3eb97d98080f6ab1adeaad779511150a10647830d66ba2d28f2730fd89663a09f85b04
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDM:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3K

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 1 IoCs

resource	yara_rule
behavioral1/memory/2672-263-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1972	csrsll.exe
764	csrsll.exe
2672	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
1152	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe
1152	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe
1152	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe
1152	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe
1152	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.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-1-5-21-1488793075-819845221-1497111674-1000\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 2216 set thread context of 1152	2216	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe	30
PID 1972 set thread context of 764	1972	csrsll.exe	35
PID 1972 set thread context of 2672	1972	csrsll.exe	36

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2216-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2216-91-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1152-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2216-102-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1152-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1152-96-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1152-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2216-86-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2216-81-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2216-76-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1152-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1152-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0006000000010300-133.dat	upx
behavioral1/memory/1152-154-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1972-223-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2672-251-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1972-253-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1152-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/764-260-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2672-263-0x0000000000400000-0x0000000000414000-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	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.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	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe
Token: SeDebugPrivilege	764	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2216	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe
1152	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe
1972	csrsll.exe
764	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 1152	2216	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe	30
PID 2216 wrote to memory of 1152	2216	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe	30
PID 2216 wrote to memory of 1152	2216	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe	30
PID 2216 wrote to memory of 1152	2216	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe	30
PID 2216 wrote to memory of 1152	2216	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe	30
PID 2216 wrote to memory of 1152	2216	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe	30
PID 2216 wrote to memory of 1152	2216	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe	30
PID 2216 wrote to memory of 1152	2216	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe	30
PID 1152 wrote to memory of 2272	1152	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe	31
PID 1152 wrote to memory of 2272	1152	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe	31
PID 1152 wrote to memory of 2272	1152	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe	31
PID 1152 wrote to memory of 2272	1152	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe	31
PID 2272 wrote to memory of 1148	2272	cmd.exe	33
PID 2272 wrote to memory of 1148	2272	cmd.exe	33
PID 2272 wrote to memory of 1148	2272	cmd.exe	33
PID 2272 wrote to memory of 1148	2272	cmd.exe	33
PID 1152 wrote to memory of 1972	1152	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe	34
PID 1152 wrote to memory of 1972	1152	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe	34
PID 1152 wrote to memory of 1972	1152	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe	34
PID 1152 wrote to memory of 1972	1152	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe	34
PID 1972 wrote to memory of 764	1972	csrsll.exe	35
PID 1972 wrote to memory of 764	1972	csrsll.exe	35
PID 1972 wrote to memory of 764	1972	csrsll.exe	35
PID 1972 wrote to memory of 764	1972	csrsll.exe	35
PID 1972 wrote to memory of 764	1972	csrsll.exe	35
PID 1972 wrote to memory of 764	1972	csrsll.exe	35
PID 1972 wrote to memory of 764	1972	csrsll.exe	35
PID 1972 wrote to memory of 764	1972	csrsll.exe	35
PID 1972 wrote to memory of 2672	1972	csrsll.exe	36
PID 1972 wrote to memory of 2672	1972	csrsll.exe	36
PID 1972 wrote to memory of 2672	1972	csrsll.exe	36
PID 1972 wrote to memory of 2672	1972	csrsll.exe	36
PID 1972 wrote to memory of 2672	1972	csrsll.exe	36
PID 1972 wrote to memory of 2672	1972	csrsll.exe	36
PID 1972 wrote to memory of 2672	1972	csrsll.exe	36
PID 1972 wrote to memory of 2672	1972	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe
"C:\Users\Admin\AppData\Local\Temp\cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Users\Admin\AppData\Local\Temp\cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe
  "C:\Users\Admin\AppData\Local\Temp\cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1152
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\RNMGP.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2272
  - - 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:1148
- - 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:1972
  - - 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:764
  - - 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:2672

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\RNMGP.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
52e119a2a4568169a8a8f4b6b06ba12e

SHA1
90b806f5d8e9183412ae7ea61c2b76e298957b77

SHA256
3f8b4ad4c1af692d5ce679a3b5a74792343e06c63ead6ab06709563611488985

SHA512
29feb0390a3754caaa32e96c53e82b2d41b84a39d62072b169628a8ff1b716f08159d8880119a5f97e0e40d7032bdf848d0699cf361508b6cc98f0f79b30e878

Download Submit
memory/764-260-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1152-155-0x0000000003270000-0x00000000032C3000-memory.dmp

Filesize
332KB

Download
memory/1152-149-0x0000000003270000-0x00000000032C3000-memory.dmp

Filesize
332KB

Download
memory/1152-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1152-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1152-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1152-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1152-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1152-96-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1152-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1152-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1152-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1152-215-0x0000000003270000-0x00000000032C3000-memory.dmp

Filesize
332KB

Download
memory/1152-220-0x0000000003270000-0x00000000032C3000-memory.dmp

Filesize
332KB

Download
memory/1152-154-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1152-147-0x0000000003270000-0x00000000032C3000-memory.dmp

Filesize
332KB

Download
memory/1152-148-0x0000000003270000-0x00000000032C3000-memory.dmp

Filesize
332KB

Download
memory/1972-158-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1972-179-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1972-253-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1972-168-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1972-223-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2216-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2216-76-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2216-60-0x0000000000500000-0x0000000000501000-memory.dmp

Filesize
4KB

Download
memory/2216-70-0x0000000000520000-0x0000000000521000-memory.dmp

Filesize
4KB

Download
memory/2216-153-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2216-15-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2216-28-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2216-5-0x0000000000200000-0x0000000000201000-memory.dmp

Filesize
4KB

Download
memory/2216-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2216-40-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2216-79-0x0000000000540000-0x0000000000542000-memory.dmp

Filesize
8KB

Download
memory/2216-81-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2216-86-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2216-91-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2216-3-0x0000000000200000-0x0000000000201000-memory.dmp

Filesize
4KB

Download
memory/2216-102-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2672-251-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2672-263-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads