modiloader | 6cf34278d0506e30c7560e07d79b8ce6e663403d0856888969f250e70f6984d2

Analysis

max time kernel
119s
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
16-12-2024 12:56

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General

Target

6cf34278d0506e30c7560e07d79b8ce6e663403d0856888969f250e70f6984d2N.exe
Size

90KB
MD5

78b5be7c66f8f109c8a05de71fde2f10
SHA1

6308395540b1cb63236a14fb2687fc4bf0f53bbe
SHA256

6cf34278d0506e30c7560e07d79b8ce6e663403d0856888969f250e70f6984d2
SHA512

93b285bcf7f6f3d4b5407a35680d1886fd7cd851bd79c0024e8a15c450800028debd7970730f925f878a21f06e3c2e995e536d8939e472b904aa3dbea837c2ea
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD6:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE38

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/3836-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3836-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3836-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3836-62-0x0000000000400000-0x0000000000414000-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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	6cf34278d0506e30c7560e07d79b8ce6e663403d0856888969f250e70f6984d2N.exe

Executes dropped EXE 3 IoCs

pid	Process
2436	csrsll.exe
4236	csrsll.exe
3836	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 3212 set thread context of 4316	3212	6cf34278d0506e30c7560e07d79b8ce6e663403d0856888969f250e70f6984d2N.exe	87
PID 2436 set thread context of 4236	2436	csrsll.exe	104
PID 2436 set thread context of 3836	2436	csrsll.exe	105

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3212-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3212-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4316-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4316-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3212-14-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4316-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b86-29.dat	upx
behavioral2/memory/4316-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2436-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2436-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3836-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3836-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3836-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3836-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2436-54-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3836-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4316-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4236-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3836-62-0x0000000000400000-0x0000000000414000-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	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	6cf34278d0506e30c7560e07d79b8ce6e663403d0856888969f250e70f6984d2N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6cf34278d0506e30c7560e07d79b8ce6e663403d0856888969f250e70f6984d2N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe
Token: SeDebugPrivilege	4236	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3212	6cf34278d0506e30c7560e07d79b8ce6e663403d0856888969f250e70f6984d2N.exe
4316	6cf34278d0506e30c7560e07d79b8ce6e663403d0856888969f250e70f6984d2N.exe
2436	csrsll.exe
4236	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3212 wrote to memory of 4316	3212	6cf34278d0506e30c7560e07d79b8ce6e663403d0856888969f250e70f6984d2N.exe	87
PID 3212 wrote to memory of 4316	3212	6cf34278d0506e30c7560e07d79b8ce6e663403d0856888969f250e70f6984d2N.exe	87
PID 3212 wrote to memory of 4316	3212	6cf34278d0506e30c7560e07d79b8ce6e663403d0856888969f250e70f6984d2N.exe	87
PID 3212 wrote to memory of 4316	3212	6cf34278d0506e30c7560e07d79b8ce6e663403d0856888969f250e70f6984d2N.exe	87
PID 3212 wrote to memory of 4316	3212	6cf34278d0506e30c7560e07d79b8ce6e663403d0856888969f250e70f6984d2N.exe	87
PID 3212 wrote to memory of 4316	3212	6cf34278d0506e30c7560e07d79b8ce6e663403d0856888969f250e70f6984d2N.exe	87
PID 3212 wrote to memory of 4316	3212	6cf34278d0506e30c7560e07d79b8ce6e663403d0856888969f250e70f6984d2N.exe	87
PID 3212 wrote to memory of 4316	3212	6cf34278d0506e30c7560e07d79b8ce6e663403d0856888969f250e70f6984d2N.exe	87
PID 4316 wrote to memory of 1072	4316	6cf34278d0506e30c7560e07d79b8ce6e663403d0856888969f250e70f6984d2N.exe	92
PID 4316 wrote to memory of 1072	4316	6cf34278d0506e30c7560e07d79b8ce6e663403d0856888969f250e70f6984d2N.exe	92
PID 4316 wrote to memory of 1072	4316	6cf34278d0506e30c7560e07d79b8ce6e663403d0856888969f250e70f6984d2N.exe	92
PID 1072 wrote to memory of 1580	1072	cmd.exe	96
PID 1072 wrote to memory of 1580	1072	cmd.exe	96
PID 1072 wrote to memory of 1580	1072	cmd.exe	96
PID 4316 wrote to memory of 2436	4316	6cf34278d0506e30c7560e07d79b8ce6e663403d0856888969f250e70f6984d2N.exe	97
PID 4316 wrote to memory of 2436	4316	6cf34278d0506e30c7560e07d79b8ce6e663403d0856888969f250e70f6984d2N.exe	97
PID 4316 wrote to memory of 2436	4316	6cf34278d0506e30c7560e07d79b8ce6e663403d0856888969f250e70f6984d2N.exe	97
PID 2436 wrote to memory of 4236	2436	csrsll.exe	104
PID 2436 wrote to memory of 4236	2436	csrsll.exe	104
PID 2436 wrote to memory of 4236	2436	csrsll.exe	104
PID 2436 wrote to memory of 4236	2436	csrsll.exe	104
PID 2436 wrote to memory of 4236	2436	csrsll.exe	104
PID 2436 wrote to memory of 4236	2436	csrsll.exe	104
PID 2436 wrote to memory of 4236	2436	csrsll.exe	104
PID 2436 wrote to memory of 4236	2436	csrsll.exe	104
PID 2436 wrote to memory of 3836	2436	csrsll.exe	105
PID 2436 wrote to memory of 3836	2436	csrsll.exe	105
PID 2436 wrote to memory of 3836	2436	csrsll.exe	105
PID 2436 wrote to memory of 3836	2436	csrsll.exe	105
PID 2436 wrote to memory of 3836	2436	csrsll.exe	105
PID 2436 wrote to memory of 3836	2436	csrsll.exe	105
PID 2436 wrote to memory of 3836	2436	csrsll.exe	105
PID 2436 wrote to memory of 3836	2436	csrsll.exe	105

C:\Users\Admin\AppData\Local\Temp\6cf34278d0506e30c7560e07d79b8ce6e663403d0856888969f250e70f6984d2N.exe
"C:\Users\Admin\AppData\Local\Temp\6cf34278d0506e30c7560e07d79b8ce6e663403d0856888969f250e70f6984d2N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3212
- C:\Users\Admin\AppData\Local\Temp\6cf34278d0506e30c7560e07d79b8ce6e663403d0856888969f250e70f6984d2N.exe
  "C:\Users\Admin\AppData\Local\Temp\6cf34278d0506e30c7560e07d79b8ce6e663403d0856888969f250e70f6984d2N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4316
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\SQUPX.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1072
  - - 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:1580
- - 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:2436
  - - 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:4236
  - - 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:3836

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\SQUPX.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
8ce034a327b64389528ebc28d9388bb2

SHA1
9fd1dcafc2a9bd8056d4d48e6b2b4bfdd4c07b1f

SHA256
e7da4058ca9bc9fd67d776caa69425bc95c66840dc829105e9872cb9d83bd65c

SHA512
e611a9dd13f04bedcc73701d9bc8bebaa1a50b5a804dffd1dbf8170cf36357997566702036ba44f59df15f2d4126c67d98fca92482215810003ced48a47f43de

Download Submit
memory/2436-54-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2436-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2436-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3212-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3212-6-0x0000000002450000-0x0000000002452000-memory.dmp

Filesize
8KB

Download
memory/3212-14-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3212-3-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/3212-4-0x0000000002420000-0x0000000002422000-memory.dmp

Filesize
8KB

Download
memory/3212-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3836-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3836-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3836-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3836-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3836-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3836-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4236-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4316-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4316-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4316-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4316-58-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4316-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4316-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads