modiloader | 34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007

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
04-01-2025 19:44

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General

Target

34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe
Size

90KB
MD5

e4de93e225ffcf6ec412006964631750
SHA1

786b6744fee4d247ef56d62e3f3b7d0147401d4a
SHA256

34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007
SHA512

9ce379eff2c1efb15ce02c23d61d0a4c61fb9e592a016be85af137568a610a77479531ce5d54931cb74dd678b2b0a382c88ce11bb2feafa1e7733a079197cc90
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 family
modiloader

ModiLoader Second Stage 1 IoCs

resource	yara_rule
behavioral1/memory/2196-260-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1996	csrsll.exe
1336	csrsll.exe
2196	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2516	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe
2516	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe
2516	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe
2516	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe
2516	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.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 268 set thread context of 2516	268	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe	31
PID 1996 set thread context of 1336	1996	csrsll.exe	36
PID 1996 set thread context of 2196	1996	csrsll.exe	37

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/268-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/268-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/268-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2516-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2516-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2516-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2516-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2516-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/268-103-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2516-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-131.dat	upx
behavioral1/memory/2516-133-0x0000000003480000-0x00000000034D3000-memory.dmp	upx
behavioral1/memory/1996-151-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2516-154-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1996-216-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1996-252-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2196-249-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2516-258-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1336-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2196-260-0x0000000000400000-0x0000000000414000-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	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe
Token: SeDebugPrivilege	1336	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
268	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe
2516	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe
1996	csrsll.exe
1336	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 268 wrote to memory of 2516	268	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe	31
PID 268 wrote to memory of 2516	268	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe	31
PID 268 wrote to memory of 2516	268	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe	31
PID 268 wrote to memory of 2516	268	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe	31
PID 268 wrote to memory of 2516	268	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe	31
PID 268 wrote to memory of 2516	268	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe	31
PID 268 wrote to memory of 2516	268	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe	31
PID 268 wrote to memory of 2516	268	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe	31
PID 2516 wrote to memory of 1268	2516	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe	32
PID 2516 wrote to memory of 1268	2516	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe	32
PID 2516 wrote to memory of 1268	2516	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe	32
PID 2516 wrote to memory of 1268	2516	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe	32
PID 1268 wrote to memory of 2012	1268	cmd.exe	34
PID 1268 wrote to memory of 2012	1268	cmd.exe	34
PID 1268 wrote to memory of 2012	1268	cmd.exe	34
PID 1268 wrote to memory of 2012	1268	cmd.exe	34
PID 2516 wrote to memory of 1996	2516	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe	35
PID 2516 wrote to memory of 1996	2516	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe	35
PID 2516 wrote to memory of 1996	2516	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe	35
PID 2516 wrote to memory of 1996	2516	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe	35
PID 1996 wrote to memory of 1336	1996	csrsll.exe	36
PID 1996 wrote to memory of 1336	1996	csrsll.exe	36
PID 1996 wrote to memory of 1336	1996	csrsll.exe	36
PID 1996 wrote to memory of 1336	1996	csrsll.exe	36
PID 1996 wrote to memory of 1336	1996	csrsll.exe	36
PID 1996 wrote to memory of 1336	1996	csrsll.exe	36
PID 1996 wrote to memory of 1336	1996	csrsll.exe	36
PID 1996 wrote to memory of 1336	1996	csrsll.exe	36
PID 1996 wrote to memory of 2196	1996	csrsll.exe	37
PID 1996 wrote to memory of 2196	1996	csrsll.exe	37
PID 1996 wrote to memory of 2196	1996	csrsll.exe	37
PID 1996 wrote to memory of 2196	1996	csrsll.exe	37
PID 1996 wrote to memory of 2196	1996	csrsll.exe	37
PID 1996 wrote to memory of 2196	1996	csrsll.exe	37
PID 1996 wrote to memory of 2196	1996	csrsll.exe	37
PID 1996 wrote to memory of 2196	1996	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe
"C:\Users\Admin\AppData\Local\Temp\34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:268
- C:\Users\Admin\AppData\Local\Temp\34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe
  "C:\Users\Admin\AppData\Local\Temp\34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2516
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\POAIA.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1268
  - - 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:2012
- - 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:1996
  - - 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:1336
  - - 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:2196

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\POAIA.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
889ca962983c33f31b3a4ec4670acfef

SHA1
3ac0c5eacb908fe8a68c85d4e07ca80e6038d859

SHA256
620aaa5fbc6bc73f01ed712fd64e02d9cdba2330713fd92b8c8cf3574e644989

SHA512
f81d5cf0e4b98fea359aa1856eb0dd5cf98d1710accd2072d13b450237290351d33a7a2c6b5204c760e666c0bfb64172224db340b9a5543b4e450bc9f8a21362

Download Submit
memory/268-15-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/268-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/268-103-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/268-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/268-71-0x0000000000700000-0x0000000000701000-memory.dmp

Filesize
4KB

Download
memory/268-61-0x00000000006E0000-0x00000000006E1000-memory.dmp

Filesize
4KB

Download
memory/268-79-0x0000000000720000-0x0000000000722000-memory.dmp

Filesize
8KB

Download
memory/268-18-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/268-96-0x00000000007D0000-0x0000000000823000-memory.dmp

Filesize
332KB

Download
memory/268-5-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/268-3-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/268-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/268-41-0x0000000000610000-0x0000000000611000-memory.dmp

Filesize
4KB

Download
memory/268-29-0x00000000005F0000-0x00000000005F1000-memory.dmp

Filesize
4KB

Download
memory/1336-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1996-179-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1996-216-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1996-252-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1996-167-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1996-151-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1996-157-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2196-249-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2196-260-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2516-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2516-133-0x0000000003480000-0x00000000034D3000-memory.dmp

Filesize
332KB

Download
memory/2516-149-0x0000000003480000-0x00000000034D3000-memory.dmp

Filesize
332KB

Download
memory/2516-148-0x0000000003480000-0x00000000034D3000-memory.dmp

Filesize
332KB

Download
memory/2516-147-0x0000000003480000-0x00000000034D3000-memory.dmp

Filesize
332KB

Download
memory/2516-154-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2516-146-0x0000000003480000-0x00000000034D3000-memory.dmp

Filesize
332KB

Download
memory/2516-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2516-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2516-213-0x0000000003480000-0x00000000034D3000-memory.dmp

Filesize
332KB

Download
memory/2516-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2516-171-0x0000000003480000-0x00000000034D3000-memory.dmp

Filesize
332KB

Download
memory/2516-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2516-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2516-258-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2516-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2516-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads