modiloader | d7cb4e2e3a8559112b03e87793c33391532eb5be886857a8c58db9ca57aa4e69

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
05-12-2024 23:50

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General

Target

d7cb4e2e3a8559112b03e87793c33391532eb5be886857a8c58db9ca57aa4e69N.exe
Size

90KB
MD5

dc1657a34c7394c461bf06ffa8780820
SHA1

2bc446b47d6db2b37c82f2e069214e6709947753
SHA256

d7cb4e2e3a8559112b03e87793c33391532eb5be886857a8c58db9ca57aa4e69
SHA512

8cb5c08f13cf14080e2465d6197916229ff077380e7b70c9b5e1c7e0d7e1df78f4a8e19f9573e80a90e36936b2565d26045a36da71ef0d6db52cc5085f615438
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/4688-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4688-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4688-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4688-63-0x0000000000400000-0x0000000000414000-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	d7cb4e2e3a8559112b03e87793c33391532eb5be886857a8c58db9ca57aa4e69N.exe

Executes dropped EXE 3 IoCs

pid	Process
2308	csrsll.exe
3968	csrsll.exe
4688	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 2976 set thread context of 3084	2976	d7cb4e2e3a8559112b03e87793c33391532eb5be886857a8c58db9ca57aa4e69N.exe	88
PID 2308 set thread context of 3968	2308	csrsll.exe	100
PID 2308 set thread context of 4688	2308	csrsll.exe	101

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2976-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2976-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3084-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3084-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3084-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2976-14-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023ca3-29.dat	upx
behavioral2/memory/2308-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3084-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2308-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2308-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4688-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4688-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4688-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4688-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4688-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2308-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3084-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3968-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4688-63-0x0000000000400000-0x0000000000414000-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	d7cb4e2e3a8559112b03e87793c33391532eb5be886857a8c58db9ca57aa4e69N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d7cb4e2e3a8559112b03e87793c33391532eb5be886857a8c58db9ca57aa4e69N.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	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe
Token: SeDebugPrivilege	3968	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2976	d7cb4e2e3a8559112b03e87793c33391532eb5be886857a8c58db9ca57aa4e69N.exe
3084	d7cb4e2e3a8559112b03e87793c33391532eb5be886857a8c58db9ca57aa4e69N.exe
2308	csrsll.exe
3968	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 3084	2976	d7cb4e2e3a8559112b03e87793c33391532eb5be886857a8c58db9ca57aa4e69N.exe	88
PID 2976 wrote to memory of 3084	2976	d7cb4e2e3a8559112b03e87793c33391532eb5be886857a8c58db9ca57aa4e69N.exe	88
PID 2976 wrote to memory of 3084	2976	d7cb4e2e3a8559112b03e87793c33391532eb5be886857a8c58db9ca57aa4e69N.exe	88
PID 2976 wrote to memory of 3084	2976	d7cb4e2e3a8559112b03e87793c33391532eb5be886857a8c58db9ca57aa4e69N.exe	88
PID 2976 wrote to memory of 3084	2976	d7cb4e2e3a8559112b03e87793c33391532eb5be886857a8c58db9ca57aa4e69N.exe	88
PID 2976 wrote to memory of 3084	2976	d7cb4e2e3a8559112b03e87793c33391532eb5be886857a8c58db9ca57aa4e69N.exe	88
PID 2976 wrote to memory of 3084	2976	d7cb4e2e3a8559112b03e87793c33391532eb5be886857a8c58db9ca57aa4e69N.exe	88
PID 2976 wrote to memory of 3084	2976	d7cb4e2e3a8559112b03e87793c33391532eb5be886857a8c58db9ca57aa4e69N.exe	88
PID 3084 wrote to memory of 1720	3084	d7cb4e2e3a8559112b03e87793c33391532eb5be886857a8c58db9ca57aa4e69N.exe	91
PID 3084 wrote to memory of 1720	3084	d7cb4e2e3a8559112b03e87793c33391532eb5be886857a8c58db9ca57aa4e69N.exe	91
PID 3084 wrote to memory of 1720	3084	d7cb4e2e3a8559112b03e87793c33391532eb5be886857a8c58db9ca57aa4e69N.exe	91
PID 1720 wrote to memory of 5072	1720	cmd.exe	95
PID 1720 wrote to memory of 5072	1720	cmd.exe	95
PID 1720 wrote to memory of 5072	1720	cmd.exe	95
PID 3084 wrote to memory of 2308	3084	d7cb4e2e3a8559112b03e87793c33391532eb5be886857a8c58db9ca57aa4e69N.exe	96
PID 3084 wrote to memory of 2308	3084	d7cb4e2e3a8559112b03e87793c33391532eb5be886857a8c58db9ca57aa4e69N.exe	96
PID 3084 wrote to memory of 2308	3084	d7cb4e2e3a8559112b03e87793c33391532eb5be886857a8c58db9ca57aa4e69N.exe	96
PID 2308 wrote to memory of 3968	2308	csrsll.exe	100
PID 2308 wrote to memory of 3968	2308	csrsll.exe	100
PID 2308 wrote to memory of 3968	2308	csrsll.exe	100
PID 2308 wrote to memory of 3968	2308	csrsll.exe	100
PID 2308 wrote to memory of 3968	2308	csrsll.exe	100
PID 2308 wrote to memory of 3968	2308	csrsll.exe	100
PID 2308 wrote to memory of 3968	2308	csrsll.exe	100
PID 2308 wrote to memory of 3968	2308	csrsll.exe	100
PID 2308 wrote to memory of 4688	2308	csrsll.exe	101
PID 2308 wrote to memory of 4688	2308	csrsll.exe	101
PID 2308 wrote to memory of 4688	2308	csrsll.exe	101
PID 2308 wrote to memory of 4688	2308	csrsll.exe	101
PID 2308 wrote to memory of 4688	2308	csrsll.exe	101
PID 2308 wrote to memory of 4688	2308	csrsll.exe	101
PID 2308 wrote to memory of 4688	2308	csrsll.exe	101
PID 2308 wrote to memory of 4688	2308	csrsll.exe	101

C:\Users\Admin\AppData\Local\Temp\d7cb4e2e3a8559112b03e87793c33391532eb5be886857a8c58db9ca57aa4e69N.exe
"C:\Users\Admin\AppData\Local\Temp\d7cb4e2e3a8559112b03e87793c33391532eb5be886857a8c58db9ca57aa4e69N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Users\Admin\AppData\Local\Temp\d7cb4e2e3a8559112b03e87793c33391532eb5be886857a8c58db9ca57aa4e69N.exe
  "C:\Users\Admin\AppData\Local\Temp\d7cb4e2e3a8559112b03e87793c33391532eb5be886857a8c58db9ca57aa4e69N.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\ARIHS.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1720
  - - 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:5072
- - 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:2308
  - - 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:3968
  - - 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:4688

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\ARIHS.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
d510533f28ba79e20789d412ed849624

SHA1
79b78cc6a73b94b2f0facc1f32fe1b480a2d1d78

SHA256
e0b83c31ae6950b5689eab0e28b34f915f1153346659f16cd69f029d82d00b54

SHA512
1372eb0baf6eae8bcc00ec8946777f66e2a1c7be67a227ee26de83f6ee2b74fe39b8c0d4442b47899f5b4b8055757624d675f983a7d7e60d07d2849e91c55458

Download Submit
memory/2308-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2308-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2308-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2308-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2976-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2976-3-0x0000000002400000-0x0000000002402000-memory.dmp

Filesize
8KB

Download
memory/2976-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2976-6-0x0000000002C80000-0x0000000002C82000-memory.dmp

Filesize
8KB

Download
memory/2976-5-0x0000000002C70000-0x0000000002C72000-memory.dmp

Filesize
8KB

Download
memory/2976-14-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

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

Filesize
44KB

Download
memory/3084-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

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

Filesize
44KB

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

Filesize
44KB

Download
memory/3084-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/3084-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3968-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4688-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4688-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4688-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4688-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4688-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4688-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads