modiloader | 5bcb7b8ba1fb88bdeb7658fd563cac414aff68d688ca2c40a6d7b3b370db9328

Analysis

max time kernel
119s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-01-2025 13:32

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General

Target

5bcb7b8ba1fb88bdeb7658fd563cac414aff68d688ca2c40a6d7b3b370db9328N.exe
Size

90KB
MD5

f11301835156719dfa721a813f7c1360
SHA1

add185c7d8cc57ca477679ed2e93ab4c9229bdbc
SHA256

5bcb7b8ba1fb88bdeb7658fd563cac414aff68d688ca2c40a6d7b3b370db9328
SHA512

c33ac3de5a040e87ecb03b09861b327687d042818542fe13bda69fe0470e684b5e005b70b6c1b7cd66349b039726edb6a6f2c879aabb67da3133aba421b69ce8
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDb:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3N

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/928-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/928-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/928-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/928-62-0x0000000000400000-0x0000000000414000-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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	5bcb7b8ba1fb88bdeb7658fd563cac414aff68d688ca2c40a6d7b3b370db9328N.exe

Executes dropped EXE 3 IoCs

pid	Process
2908	csrsll.exe
2344	csrsll.exe
928	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-1-5-21-2045521122-590294423-3465680274-1000\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 1608 set thread context of 3836	1608	5bcb7b8ba1fb88bdeb7658fd563cac414aff68d688ca2c40a6d7b3b370db9328N.exe	86
PID 2908 set thread context of 2344	2908	csrsll.exe	104
PID 2908 set thread context of 928	2908	csrsll.exe	105

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1608-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1608-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3836-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3836-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3836-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1608-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000400000001e5b5-29.dat	upx
behavioral2/memory/3836-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2908-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2908-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/928-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/928-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/928-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/928-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/928-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2908-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3836-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2344-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/928-62-0x0000000000400000-0x0000000000414000-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	5bcb7b8ba1fb88bdeb7658fd563cac414aff68d688ca2c40a6d7b3b370db9328N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5bcb7b8ba1fb88bdeb7658fd563cac414aff68d688ca2c40a6d7b3b370db9328N.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe
Token: SeDebugPrivilege	2344	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1608	5bcb7b8ba1fb88bdeb7658fd563cac414aff68d688ca2c40a6d7b3b370db9328N.exe
3836	5bcb7b8ba1fb88bdeb7658fd563cac414aff68d688ca2c40a6d7b3b370db9328N.exe
2908	csrsll.exe
2344	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1608 wrote to memory of 3836	1608	5bcb7b8ba1fb88bdeb7658fd563cac414aff68d688ca2c40a6d7b3b370db9328N.exe	86
PID 1608 wrote to memory of 3836	1608	5bcb7b8ba1fb88bdeb7658fd563cac414aff68d688ca2c40a6d7b3b370db9328N.exe	86
PID 1608 wrote to memory of 3836	1608	5bcb7b8ba1fb88bdeb7658fd563cac414aff68d688ca2c40a6d7b3b370db9328N.exe	86
PID 1608 wrote to memory of 3836	1608	5bcb7b8ba1fb88bdeb7658fd563cac414aff68d688ca2c40a6d7b3b370db9328N.exe	86
PID 1608 wrote to memory of 3836	1608	5bcb7b8ba1fb88bdeb7658fd563cac414aff68d688ca2c40a6d7b3b370db9328N.exe	86
PID 1608 wrote to memory of 3836	1608	5bcb7b8ba1fb88bdeb7658fd563cac414aff68d688ca2c40a6d7b3b370db9328N.exe	86
PID 1608 wrote to memory of 3836	1608	5bcb7b8ba1fb88bdeb7658fd563cac414aff68d688ca2c40a6d7b3b370db9328N.exe	86
PID 1608 wrote to memory of 3836	1608	5bcb7b8ba1fb88bdeb7658fd563cac414aff68d688ca2c40a6d7b3b370db9328N.exe	86
PID 3836 wrote to memory of 884	3836	5bcb7b8ba1fb88bdeb7658fd563cac414aff68d688ca2c40a6d7b3b370db9328N.exe	89
PID 3836 wrote to memory of 884	3836	5bcb7b8ba1fb88bdeb7658fd563cac414aff68d688ca2c40a6d7b3b370db9328N.exe	89
PID 3836 wrote to memory of 884	3836	5bcb7b8ba1fb88bdeb7658fd563cac414aff68d688ca2c40a6d7b3b370db9328N.exe	89
PID 884 wrote to memory of 244	884	cmd.exe	93
PID 884 wrote to memory of 244	884	cmd.exe	93
PID 884 wrote to memory of 244	884	cmd.exe	93
PID 3836 wrote to memory of 2908	3836	5bcb7b8ba1fb88bdeb7658fd563cac414aff68d688ca2c40a6d7b3b370db9328N.exe	94
PID 3836 wrote to memory of 2908	3836	5bcb7b8ba1fb88bdeb7658fd563cac414aff68d688ca2c40a6d7b3b370db9328N.exe	94
PID 3836 wrote to memory of 2908	3836	5bcb7b8ba1fb88bdeb7658fd563cac414aff68d688ca2c40a6d7b3b370db9328N.exe	94
PID 2908 wrote to memory of 2344	2908	csrsll.exe	104
PID 2908 wrote to memory of 2344	2908	csrsll.exe	104
PID 2908 wrote to memory of 2344	2908	csrsll.exe	104
PID 2908 wrote to memory of 2344	2908	csrsll.exe	104
PID 2908 wrote to memory of 2344	2908	csrsll.exe	104
PID 2908 wrote to memory of 2344	2908	csrsll.exe	104
PID 2908 wrote to memory of 2344	2908	csrsll.exe	104
PID 2908 wrote to memory of 2344	2908	csrsll.exe	104
PID 2908 wrote to memory of 928	2908	csrsll.exe	105
PID 2908 wrote to memory of 928	2908	csrsll.exe	105
PID 2908 wrote to memory of 928	2908	csrsll.exe	105
PID 2908 wrote to memory of 928	2908	csrsll.exe	105
PID 2908 wrote to memory of 928	2908	csrsll.exe	105
PID 2908 wrote to memory of 928	2908	csrsll.exe	105
PID 2908 wrote to memory of 928	2908	csrsll.exe	105
PID 2908 wrote to memory of 928	2908	csrsll.exe	105

C:\Users\Admin\AppData\Local\Temp\5bcb7b8ba1fb88bdeb7658fd563cac414aff68d688ca2c40a6d7b3b370db9328N.exe
"C:\Users\Admin\AppData\Local\Temp\5bcb7b8ba1fb88bdeb7658fd563cac414aff68d688ca2c40a6d7b3b370db9328N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1608
- C:\Users\Admin\AppData\Local\Temp\5bcb7b8ba1fb88bdeb7658fd563cac414aff68d688ca2c40a6d7b3b370db9328N.exe
  "C:\Users\Admin\AppData\Local\Temp\5bcb7b8ba1fb88bdeb7658fd563cac414aff68d688ca2c40a6d7b3b370db9328N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3836
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\EDQGU.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:884
  - - 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:244
- - 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:2908
  - - 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:2344
  - - 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:928

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\EDQGU.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
b613895074cdad1c971345ea33c351bf

SHA1
8737d76fc8317cdea9fb34b9c7541e87ab187142

SHA256
7a75926f0e8ea2a3c767036f08cb506527406df8d574311dc90cd7215156dd82

SHA512
69f08882927274476b543c13fc441b664341b2e18ed1289bb1e220b88b7d2e9b663324191e5ac8099c51b1c4ca9602f1edcfe6eea152b1ea37cd5dab96261fed

Download Submit
memory/928-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/928-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/928-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/928-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/928-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/928-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1608-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1608-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1608-3-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/1608-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1608-4-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/1608-6-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/2344-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2908-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2908-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2908-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3836-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3836-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3836-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3836-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3836-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads