modiloader | 34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66

Analysis

max time kernel
119s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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 4 IoCs

resource	yara_rule
behavioral2/memory/4548-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4548-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4548-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4548-64-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe

Executes dropped EXE 3 IoCs

pid	Process
1224	csrsll.exe
1948	csrsll.exe
4548	csrsll.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-1-5-21-3227495264-2217614367-4027411560-1000\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 3832 set thread context of 3084	3832	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe	82
PID 1224 set thread context of 1948	1224	csrsll.exe	88
PID 1224 set thread context of 4548	1224	csrsll.exe	89

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3832-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3832-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3084-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3084-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3084-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3832-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023c7e-29.dat	upx
behavioral2/memory/1224-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3084-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1224-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1224-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4548-48-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4548-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4548-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1224-59-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3084-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4548-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4548-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1948-63-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4548-64-0x0000000000400000-0x0000000000414000-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	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	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe
Token: SeDebugPrivilege	1948	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3832	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe
3084	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe
1224	csrsll.exe
1948	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3832 wrote to memory of 3084	3832	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe	82
PID 3832 wrote to memory of 3084	3832	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe	82
PID 3832 wrote to memory of 3084	3832	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe	82
PID 3832 wrote to memory of 3084	3832	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe	82
PID 3832 wrote to memory of 3084	3832	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe	82
PID 3832 wrote to memory of 3084	3832	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe	82
PID 3832 wrote to memory of 3084	3832	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe	82
PID 3832 wrote to memory of 3084	3832	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe	82
PID 3084 wrote to memory of 912	3084	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe	83
PID 3084 wrote to memory of 912	3084	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe	83
PID 3084 wrote to memory of 912	3084	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe	83
PID 912 wrote to memory of 2744	912	cmd.exe	86
PID 912 wrote to memory of 2744	912	cmd.exe	86
PID 912 wrote to memory of 2744	912	cmd.exe	86
PID 3084 wrote to memory of 1224	3084	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe	87
PID 3084 wrote to memory of 1224	3084	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe	87
PID 3084 wrote to memory of 1224	3084	34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe	87
PID 1224 wrote to memory of 1948	1224	csrsll.exe	88
PID 1224 wrote to memory of 1948	1224	csrsll.exe	88
PID 1224 wrote to memory of 1948	1224	csrsll.exe	88
PID 1224 wrote to memory of 1948	1224	csrsll.exe	88
PID 1224 wrote to memory of 1948	1224	csrsll.exe	88
PID 1224 wrote to memory of 1948	1224	csrsll.exe	88
PID 1224 wrote to memory of 1948	1224	csrsll.exe	88
PID 1224 wrote to memory of 1948	1224	csrsll.exe	88
PID 1224 wrote to memory of 4548	1224	csrsll.exe	89
PID 1224 wrote to memory of 4548	1224	csrsll.exe	89
PID 1224 wrote to memory of 4548	1224	csrsll.exe	89
PID 1224 wrote to memory of 4548	1224	csrsll.exe	89
PID 1224 wrote to memory of 4548	1224	csrsll.exe	89
PID 1224 wrote to memory of 4548	1224	csrsll.exe	89
PID 1224 wrote to memory of 4548	1224	csrsll.exe	89
PID 1224 wrote to memory of 4548	1224	csrsll.exe	89

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:3832
- C:\Users\Admin\AppData\Local\Temp\34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe
  "C:\Users\Admin\AppData\Local\Temp\34d6d64606843989d5827f86de73251d1518e126fc4800753ea8576e6f3c8e66N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3084
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HWXVD.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:912
  - - 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:2744
- - 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:1224
  - - 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:1948
  - - 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:4548

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

Query Registry

T1012

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\HWXVD.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
c6aa24f2307017631bf29cfde285959d

SHA1
5c23555e889232eb35a71f3e0ba5057f57f1e5d9

SHA256
19fa64c9d0491db178ea88e5525c3f390160d652bd25041cf7de1938e64379e9

SHA512
97b367aa092c5e18f51f98d7f838afad0d7377824153354a4b635ed2995b53028493edf5c8a32d3d0ea9fb28a5a7697f7d59c4284e87e19308d153cdf147da35

Download Submit
memory/1224-59-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1224-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1224-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1224-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1948-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3084-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3084-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3084-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3084-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3084-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3832-4-0x00000000021D0000-0x00000000021D2000-memory.dmp

Filesize
8KB

Download
memory/3832-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3832-6-0x00000000021F0000-0x00000000021F2000-memory.dmp

Filesize
8KB

Download
memory/3832-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3832-3-0x00000000021B0000-0x00000000021B2000-memory.dmp

Filesize
8KB

Download
memory/3832-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4548-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4548-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4548-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4548-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4548-48-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4548-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads