modiloader | d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-12-2024 03:42

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General

Target

d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe
Size

90KB
MD5

de8e430b537229962e0791dd097a3fe3
SHA1

52e5023caa0763d1c4c51088cff5f8b936c9e89b
SHA256

d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776
SHA512

85ccb99de38cae591890e3a97f8dc26a906d93db2635fd086effcd717ddbc924c7995cc6d8dcf27d77ed3583bf5d93364de7932b021c675c1f4d523a20954aa7
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD4:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3S

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/1768-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1768-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1768-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1768-59-0x0000000000400000-0x0000000000414000-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	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe

Executes dropped EXE 3 IoCs

pid	Process
2148	csrsll.exe
3788	csrsll.exe
1768	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 4736 set thread context of 1992	4736	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe	83
PID 2148 set thread context of 3788	2148	csrsll.exe	97
PID 2148 set thread context of 1768	2148	csrsll.exe	98

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4736-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4736-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1992-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1992-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1992-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4736-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000b000000023b65-28.dat	upx
behavioral2/memory/2148-39-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1992-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2148-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1768-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1768-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2148-56-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1768-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1768-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1768-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1992-57-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3788-58-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1768-59-0x0000000000400000-0x0000000000414000-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	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.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	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe
Token: SeDebugPrivilege	3788	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4736	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe
1992	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe
2148	csrsll.exe
3788	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4736 wrote to memory of 1992	4736	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe	83
PID 4736 wrote to memory of 1992	4736	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe	83
PID 4736 wrote to memory of 1992	4736	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe	83
PID 4736 wrote to memory of 1992	4736	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe	83
PID 4736 wrote to memory of 1992	4736	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe	83
PID 4736 wrote to memory of 1992	4736	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe	83
PID 4736 wrote to memory of 1992	4736	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe	83
PID 4736 wrote to memory of 1992	4736	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe	83
PID 1992 wrote to memory of 3528	1992	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe	84
PID 1992 wrote to memory of 3528	1992	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe	84
PID 1992 wrote to memory of 3528	1992	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe	84
PID 3528 wrote to memory of 1312	3528	cmd.exe	88
PID 3528 wrote to memory of 1312	3528	cmd.exe	88
PID 3528 wrote to memory of 1312	3528	cmd.exe	88
PID 1992 wrote to memory of 2148	1992	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe	89
PID 1992 wrote to memory of 2148	1992	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe	89
PID 1992 wrote to memory of 2148	1992	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe	89
PID 2148 wrote to memory of 3788	2148	csrsll.exe	97
PID 2148 wrote to memory of 3788	2148	csrsll.exe	97
PID 2148 wrote to memory of 3788	2148	csrsll.exe	97
PID 2148 wrote to memory of 3788	2148	csrsll.exe	97
PID 2148 wrote to memory of 3788	2148	csrsll.exe	97
PID 2148 wrote to memory of 3788	2148	csrsll.exe	97
PID 2148 wrote to memory of 3788	2148	csrsll.exe	97
PID 2148 wrote to memory of 3788	2148	csrsll.exe	97
PID 2148 wrote to memory of 1768	2148	csrsll.exe	98
PID 2148 wrote to memory of 1768	2148	csrsll.exe	98
PID 2148 wrote to memory of 1768	2148	csrsll.exe	98
PID 2148 wrote to memory of 1768	2148	csrsll.exe	98
PID 2148 wrote to memory of 1768	2148	csrsll.exe	98
PID 2148 wrote to memory of 1768	2148	csrsll.exe	98
PID 2148 wrote to memory of 1768	2148	csrsll.exe	98
PID 2148 wrote to memory of 1768	2148	csrsll.exe	98

C:\Users\Admin\AppData\Local\Temp\d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe
"C:\Users\Admin\AppData\Local\Temp\d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4736
- C:\Users\Admin\AppData\Local\Temp\d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe
  "C:\Users\Admin\AppData\Local\Temp\d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1992
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\MQVCD.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3528
  - - 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:1312
- - 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:2148
  - - 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:3788
  - - 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:1768

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\MQVCD.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
9604f065392346ef931602a458432449

SHA1
60dfb52192cdde7a594020a992d7b8cf37f3f550

SHA256
81b623f70f23aa6ecdd09439b96a1eb70f5c06a294c780eb0bcd22e1373e8c0f

SHA512
12dc38f45f6f9b31ea13f44afab16543c4adb1b7b8b8c69a2db2cf480cbca0687cc348afe776fc40fca5c9d94f7e7b3ebf120ce1b4f7e8732ca4741d454f4ed0

Download Submit
memory/1768-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1768-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1768-59-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1768-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1768-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1768-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1992-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1992-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1992-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1992-57-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1992-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2148-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2148-56-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2148-39-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3788-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4736-6-0x00000000021F0000-0x00000000021F2000-memory.dmp

Filesize
8KB

Download
memory/4736-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4736-3-0x00000000021C0000-0x00000000021C2000-memory.dmp

Filesize
8KB

Download
memory/4736-4-0x00000000021D0000-0x00000000021D2000-memory.dmp

Filesize
8KB

Download
memory/4736-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4736-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads