modiloader | 544676696e7b6612ac0bb85b61fa11f464201d40cb3cdea059daa5c6685b61bb

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2025 08:31

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General

Target

544676696e7b6612ac0bb85b61fa11f464201d40cb3cdea059daa5c6685b61bbN.exe
Size

90KB
MD5

7c586aa5ebaccf4a38aa28dd05192300
SHA1

a2eabca7f02fb9bbf81fbc2cf6a8a4f535c27493
SHA256

544676696e7b6612ac0bb85b61fa11f464201d40cb3cdea059daa5c6685b61bb
SHA512

e6e0f36f52eb851f9508b5344899d874bb45f2040d1f32e5b710d0ec4adbeef84abb3f70082fccde260446dbf28ef1df7e98f3060a94ed07c223f9f1ff09e472
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/4816-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4816-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4816-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4816-64-0x0000000000400000-0x0000000000414000-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	544676696e7b6612ac0bb85b61fa11f464201d40cb3cdea059daa5c6685b61bbN.exe

Executes dropped EXE 3 IoCs

pid	Process
224	csrsll.exe
2212	csrsll.exe
4816	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-1-5-21-2437139445-1151884604-3026847218-1000\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 676 set thread context of 3080	676	544676696e7b6612ac0bb85b61fa11f464201d40cb3cdea059daa5c6685b61bbN.exe	83
PID 224 set thread context of 2212	224	csrsll.exe	100
PID 224 set thread context of 4816	224	csrsll.exe	101

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/676-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/676-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3080-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3080-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3080-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/676-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000b000000023b89-29.dat	upx
behavioral2/memory/224-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3080-41-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/224-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/224-43-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4816-47-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4816-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4816-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4816-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/224-59-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3080-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4816-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2212-63-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4816-64-0x0000000000400000-0x0000000000414000-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	544676696e7b6612ac0bb85b61fa11f464201d40cb3cdea059daa5c6685b61bbN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	544676696e7b6612ac0bb85b61fa11f464201d40cb3cdea059daa5c6685b61bbN.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe
Token: SeDebugPrivilege	2212	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
676	544676696e7b6612ac0bb85b61fa11f464201d40cb3cdea059daa5c6685b61bbN.exe
3080	544676696e7b6612ac0bb85b61fa11f464201d40cb3cdea059daa5c6685b61bbN.exe
224	csrsll.exe
2212	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 676 wrote to memory of 3080	676	544676696e7b6612ac0bb85b61fa11f464201d40cb3cdea059daa5c6685b61bbN.exe	83
PID 676 wrote to memory of 3080	676	544676696e7b6612ac0bb85b61fa11f464201d40cb3cdea059daa5c6685b61bbN.exe	83
PID 676 wrote to memory of 3080	676	544676696e7b6612ac0bb85b61fa11f464201d40cb3cdea059daa5c6685b61bbN.exe	83
PID 676 wrote to memory of 3080	676	544676696e7b6612ac0bb85b61fa11f464201d40cb3cdea059daa5c6685b61bbN.exe	83
PID 676 wrote to memory of 3080	676	544676696e7b6612ac0bb85b61fa11f464201d40cb3cdea059daa5c6685b61bbN.exe	83
PID 676 wrote to memory of 3080	676	544676696e7b6612ac0bb85b61fa11f464201d40cb3cdea059daa5c6685b61bbN.exe	83
PID 676 wrote to memory of 3080	676	544676696e7b6612ac0bb85b61fa11f464201d40cb3cdea059daa5c6685b61bbN.exe	83
PID 676 wrote to memory of 3080	676	544676696e7b6612ac0bb85b61fa11f464201d40cb3cdea059daa5c6685b61bbN.exe	83
PID 3080 wrote to memory of 5084	3080	544676696e7b6612ac0bb85b61fa11f464201d40cb3cdea059daa5c6685b61bbN.exe	86
PID 3080 wrote to memory of 5084	3080	544676696e7b6612ac0bb85b61fa11f464201d40cb3cdea059daa5c6685b61bbN.exe	86
PID 3080 wrote to memory of 5084	3080	544676696e7b6612ac0bb85b61fa11f464201d40cb3cdea059daa5c6685b61bbN.exe	86
PID 5084 wrote to memory of 1820	5084	cmd.exe	90
PID 5084 wrote to memory of 1820	5084	cmd.exe	90
PID 5084 wrote to memory of 1820	5084	cmd.exe	90
PID 3080 wrote to memory of 224	3080	544676696e7b6612ac0bb85b61fa11f464201d40cb3cdea059daa5c6685b61bbN.exe	91
PID 3080 wrote to memory of 224	3080	544676696e7b6612ac0bb85b61fa11f464201d40cb3cdea059daa5c6685b61bbN.exe	91
PID 3080 wrote to memory of 224	3080	544676696e7b6612ac0bb85b61fa11f464201d40cb3cdea059daa5c6685b61bbN.exe	91
PID 224 wrote to memory of 2212	224	csrsll.exe	100
PID 224 wrote to memory of 2212	224	csrsll.exe	100
PID 224 wrote to memory of 2212	224	csrsll.exe	100
PID 224 wrote to memory of 2212	224	csrsll.exe	100
PID 224 wrote to memory of 2212	224	csrsll.exe	100
PID 224 wrote to memory of 2212	224	csrsll.exe	100
PID 224 wrote to memory of 2212	224	csrsll.exe	100
PID 224 wrote to memory of 2212	224	csrsll.exe	100
PID 224 wrote to memory of 4816	224	csrsll.exe	101
PID 224 wrote to memory of 4816	224	csrsll.exe	101
PID 224 wrote to memory of 4816	224	csrsll.exe	101
PID 224 wrote to memory of 4816	224	csrsll.exe	101
PID 224 wrote to memory of 4816	224	csrsll.exe	101
PID 224 wrote to memory of 4816	224	csrsll.exe	101
PID 224 wrote to memory of 4816	224	csrsll.exe	101
PID 224 wrote to memory of 4816	224	csrsll.exe	101

C:\Users\Admin\AppData\Local\Temp\544676696e7b6612ac0bb85b61fa11f464201d40cb3cdea059daa5c6685b61bbN.exe
"C:\Users\Admin\AppData\Local\Temp\544676696e7b6612ac0bb85b61fa11f464201d40cb3cdea059daa5c6685b61bbN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:676
- C:\Users\Admin\AppData\Local\Temp\544676696e7b6612ac0bb85b61fa11f464201d40cb3cdea059daa5c6685b61bbN.exe
  "C:\Users\Admin\AppData\Local\Temp\544676696e7b6612ac0bb85b61fa11f464201d40cb3cdea059daa5c6685b61bbN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3080
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\JXGGR.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5084
  - - 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:1820
- - 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:224
  - - 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:2212
  - - 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:4816

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\JXGGR.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
9aa71951fc2028518848cbd060c7d1ba

SHA1
f49dd97fdb1d343bd7673421f271b2647c52cc6e

SHA256
205236e2b9f2e7d0ecaf8fe84a6d3e850763bba7da304b5c7c3c78a22f7a64b2

SHA512
fd6d1ae166c3a577d6b4b4bd4ded8148684ed1fe0d92a9833043779c593e24c0bc9d44a85b1a21483865968d9a3df9d113777e0e03ad87bda8c9e7b6537e1b9e

Download Submit
memory/224-59-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/224-43-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/224-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/224-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/676-6-0x0000000002CA0000-0x0000000002CA2000-memory.dmp

Filesize
8KB

Download
memory/676-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/676-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/676-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/676-4-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/676-40-0x0000000002C90000-0x0000000002C92000-memory.dmp

Filesize
8KB

Download
memory/676-3-0x0000000002320000-0x0000000002322000-memory.dmp

Filesize
8KB

Download
memory/2212-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3080-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3080-41-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3080-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3080-60-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/3080-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3080-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4816-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4816-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4816-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4816-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4816-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4816-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads