modiloader | 34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66

Analysis

max time kernel
118s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 04:25

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General

Target

34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe
Size

90KB
MD5

63601103077c3cb40b3b67bfd753f0e0
SHA1

837e24a5a59cf861070d95b748e316a4765870ef
SHA256

34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66
SHA512

154c3128efb936ab11a5b61a545fb508a9746338b4d39f1235807be15c518325bfed83c3ac90a3f3824d116306b625a1a4a94f73c1c089a08b94702d53c1ceba
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/1744-260-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2532	csrsll.exe
2516	csrsll.exe
1744	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2052	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe
2052	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe
2052	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe
2052	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe
2052	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.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-1-5-21-312935884-697965778-3955649944-1000\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 2792 set thread context of 2052	2792	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe	30
PID 2532 set thread context of 2516	2532	csrsll.exe	35
PID 2532 set thread context of 1744	2532	csrsll.exe	36

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2792-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2792-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2792-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2792-96-0x00000000027D0000-0x0000000002823000-memory.dmp	upx
behavioral1/memory/2052-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2052-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2052-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2052-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2052-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2052-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2792-102-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x0033000000017474-142.dat	upx
behavioral1/memory/2052-133-0x0000000003470000-0x00000000034C3000-memory.dmp	upx
behavioral1/memory/2052-153-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2532-211-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2532-248-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2052-251-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1744-246-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2516-257-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1744-260-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.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	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2792	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe
2052	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe
2532	csrsll.exe
2516	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 2052	2792	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe	30
PID 2792 wrote to memory of 2052	2792	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe	30
PID 2792 wrote to memory of 2052	2792	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe	30
PID 2792 wrote to memory of 2052	2792	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe	30
PID 2792 wrote to memory of 2052	2792	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe	30
PID 2792 wrote to memory of 2052	2792	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe	30
PID 2792 wrote to memory of 2052	2792	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe	30
PID 2792 wrote to memory of 2052	2792	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe	30
PID 2052 wrote to memory of 768	2052	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe	31
PID 2052 wrote to memory of 768	2052	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe	31
PID 2052 wrote to memory of 768	2052	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe	31
PID 2052 wrote to memory of 768	2052	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe	31
PID 768 wrote to memory of 868	768	cmd.exe	33
PID 768 wrote to memory of 868	768	cmd.exe	33
PID 768 wrote to memory of 868	768	cmd.exe	33
PID 768 wrote to memory of 868	768	cmd.exe	33
PID 2052 wrote to memory of 2532	2052	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe	34
PID 2052 wrote to memory of 2532	2052	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe	34
PID 2052 wrote to memory of 2532	2052	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe	34
PID 2052 wrote to memory of 2532	2052	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe	34
PID 2532 wrote to memory of 2516	2532	csrsll.exe	35
PID 2532 wrote to memory of 2516	2532	csrsll.exe	35
PID 2532 wrote to memory of 2516	2532	csrsll.exe	35
PID 2532 wrote to memory of 2516	2532	csrsll.exe	35
PID 2532 wrote to memory of 2516	2532	csrsll.exe	35
PID 2532 wrote to memory of 2516	2532	csrsll.exe	35
PID 2532 wrote to memory of 2516	2532	csrsll.exe	35
PID 2532 wrote to memory of 2516	2532	csrsll.exe	35
PID 2532 wrote to memory of 1744	2532	csrsll.exe	36
PID 2532 wrote to memory of 1744	2532	csrsll.exe	36
PID 2532 wrote to memory of 1744	2532	csrsll.exe	36
PID 2532 wrote to memory of 1744	2532	csrsll.exe	36
PID 2532 wrote to memory of 1744	2532	csrsll.exe	36
PID 2532 wrote to memory of 1744	2532	csrsll.exe	36
PID 2532 wrote to memory of 1744	2532	csrsll.exe	36
PID 2532 wrote to memory of 1744	2532	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe
"C:\Users\Admin\AppData\Local\Temp\34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2792
- C:\Users\Admin\AppData\Local\Temp\34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe
  "C:\Users\Admin\AppData\Local\Temp\34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2052
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\HDYCP.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:768
  - - 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:868
- - 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:2532
  - - 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:2516
  - - 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:1744

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\HDYCP.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
2c4b75daf377883d67f8a553d3d8793c

SHA1
8be102cfcb7fad0da1bc17d50d1cbf7414fa44e7

SHA256
a2c6ffdff140c255fbf3057479e874ac52869dbf8673a729603235339fcceade

SHA512
a1bedb1fa1231610db0fa0e097fa157b283ef867f9238dec5ab65d6c637923bcf91aed700339cacfcbfb57dfb090a600bfd5ae204b50bf75771275d78e9ad025

Download Submit
memory/1744-246-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1744-260-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2052-148-0x0000000003470000-0x00000000034C3000-memory.dmp

Filesize
332KB

Download
memory/2052-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2052-153-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2052-133-0x0000000003470000-0x00000000034C3000-memory.dmp

Filesize
332KB

Download
memory/2052-146-0x0000000003470000-0x00000000034C3000-memory.dmp

Filesize
332KB

Download
memory/2052-147-0x0000000003470000-0x00000000034C3000-memory.dmp

Filesize
332KB

Download
memory/2052-240-0x0000000003470000-0x00000000034C3000-memory.dmp

Filesize
332KB

Download
memory/2052-149-0x0000000003470000-0x00000000034C3000-memory.dmp

Filesize
332KB

Download
memory/2052-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2052-251-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2052-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2052-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2052-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2052-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2052-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2052-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2516-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2532-156-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2532-177-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2532-248-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2532-166-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2532-211-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2792-71-0x00000000004B0000-0x00000000004B1000-memory.dmp

Filesize
4KB

Download
memory/2792-79-0x00000000004D0000-0x00000000004D2000-memory.dmp

Filesize
8KB

Download
memory/2792-41-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2792-61-0x0000000000490000-0x0000000000491000-memory.dmp

Filesize
4KB

Download
memory/2792-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2792-102-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2792-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2792-29-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2792-96-0x00000000027D0000-0x0000000002823000-memory.dmp

Filesize
332KB

Download
memory/2792-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2792-19-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2792-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2792-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2792-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads