modiloader | a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34e

Analysis

max time kernel
118s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2025 12:02

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General

Target

a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe
Size

90KB
MD5

45d49e4a88040a9061978d4ce87a5890
SHA1

33449fea171aadbf718b455dd049ff9601b4b28e
SHA256

a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34e
SHA512

38b40bbe4e25bbb6566e66ba4ebb7cfbaf1e87047441a6514b88b209dd8d793f36eaba0d15d17fcd4dc53125bd21d3cb167c2f1b2e8b5a923f2c4a768027b4e6
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/2192-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2192-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2192-61-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2192-63-0x0000000000400000-0x0000000000414000-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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe

Executes dropped EXE 3 IoCs

pid	Process
1120	csrsll.exe
1096	csrsll.exe
2192	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-1-5-21-1045960512-3948844814-3059691613-1000\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 868 set thread context of 2336	868	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe	87
PID 1120 set thread context of 1096	1120	csrsll.exe	103
PID 1120 set thread context of 2192	1120	csrsll.exe	104

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/868-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/868-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2336-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/868-10-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2336-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023c7f-28.dat	upx
behavioral2/memory/1120-35-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2336-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1120-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1120-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2192-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2192-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2192-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1120-51-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2336-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2192-61-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1096-47-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2192-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1096-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2192-63-0x0000000000400000-0x0000000000414000-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	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
868	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe
2336	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe
1120	csrsll.exe
1096	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 868 wrote to memory of 2336	868	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe	87
PID 868 wrote to memory of 2336	868	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe	87
PID 868 wrote to memory of 2336	868	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe	87
PID 868 wrote to memory of 2336	868	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe	87
PID 868 wrote to memory of 2336	868	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe	87
PID 868 wrote to memory of 2336	868	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe	87
PID 868 wrote to memory of 2336	868	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe	87
PID 868 wrote to memory of 2336	868	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe	87
PID 2336 wrote to memory of 4108	2336	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe	92
PID 2336 wrote to memory of 4108	2336	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe	92
PID 2336 wrote to memory of 4108	2336	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe	92
PID 4108 wrote to memory of 1112	4108	cmd.exe	96
PID 4108 wrote to memory of 1112	4108	cmd.exe	96
PID 4108 wrote to memory of 1112	4108	cmd.exe	96
PID 2336 wrote to memory of 1120	2336	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe	97
PID 2336 wrote to memory of 1120	2336	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe	97
PID 2336 wrote to memory of 1120	2336	a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe	97
PID 1120 wrote to memory of 1096	1120	csrsll.exe	103
PID 1120 wrote to memory of 1096	1120	csrsll.exe	103
PID 1120 wrote to memory of 1096	1120	csrsll.exe	103
PID 1120 wrote to memory of 1096	1120	csrsll.exe	103
PID 1120 wrote to memory of 1096	1120	csrsll.exe	103
PID 1120 wrote to memory of 1096	1120	csrsll.exe	103
PID 1120 wrote to memory of 1096	1120	csrsll.exe	103
PID 1120 wrote to memory of 1096	1120	csrsll.exe	103
PID 1120 wrote to memory of 2192	1120	csrsll.exe	104
PID 1120 wrote to memory of 2192	1120	csrsll.exe	104
PID 1120 wrote to memory of 2192	1120	csrsll.exe	104
PID 1120 wrote to memory of 2192	1120	csrsll.exe	104
PID 1120 wrote to memory of 2192	1120	csrsll.exe	104
PID 1120 wrote to memory of 2192	1120	csrsll.exe	104
PID 1120 wrote to memory of 2192	1120	csrsll.exe	104
PID 1120 wrote to memory of 2192	1120	csrsll.exe	104

C:\Users\Admin\AppData\Local\Temp\a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe
"C:\Users\Admin\AppData\Local\Temp\a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:868
- C:\Users\Admin\AppData\Local\Temp\a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe
  "C:\Users\Admin\AppData\Local\Temp\a07e26811ae32354dbaf7e25db52693453c0268dfba7ffaf180892947665b34eN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2336
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\GLYHH.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4108
  - - 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:1112
- - 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:1120
  - - 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:1096
  - - 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:2192

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\GLYHH.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
08c37276b37dae32d1276ba971af3e01

SHA1
b708b2246ec5b9a470edb423b03ec92cccd7ce18

SHA256
1e8e3b0f8f30eaad1e91bf5958619ecd38d8085f8a39b7f250b82caa33e6d922

SHA512
2aed1943d1a2976e827af9a97230237fe49706f9fdc807de5cefea349c4cc632b165027e0259985c8612d76d4dea6af62cb9ca1e82557ec65eb38239e0a7ba31

Download Submit
memory/868-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/868-3-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download
memory/868-4-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/868-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/868-6-0x0000000002B90000-0x0000000002B92000-memory.dmp

Filesize
8KB

Download
memory/868-10-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1096-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1096-47-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1120-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1120-51-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1120-35-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1120-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2192-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2192-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2192-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2192-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2192-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2192-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2336-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2336-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2336-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2336-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads