modiloader | 69ffa8090cde5ade972a0ef52d8118f7668e20d0c37ca1533980c486b742e078

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
01/12/2024, 00:15

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General

Target

69ffa8090cde5ade972a0ef52d8118f7668e20d0c37ca1533980c486b742e078N.exe
Size

90KB
MD5

d894517a64e777fb58d8e845048e8fe0
SHA1

48b38d48fe273716cf835d2c755ac1a5d412f9b5
SHA256

69ffa8090cde5ade972a0ef52d8118f7668e20d0c37ca1533980c486b742e078
SHA512

4548e88a5ce11eb37bbe4dc5846a204dd96a65af615fe4f5f4a48a8d4d1f4291e39397cc241335716cf78178b6d086595804ec1219683f0062e39c877b3105ec
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/1660-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1660-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1660-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1660-64-0x0000000000400000-0x0000000000414000-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	69ffa8090cde5ade972a0ef52d8118f7668e20d0c37ca1533980c486b742e078N.exe

Executes dropped EXE 3 IoCs

pid	Process
1420	csrsll.exe
3612	csrsll.exe
1660	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 4516 set thread context of 4740	4516	69ffa8090cde5ade972a0ef52d8118f7668e20d0c37ca1533980c486b742e078N.exe	88
PID 1420 set thread context of 3612	1420	csrsll.exe	101
PID 1420 set thread context of 1660	1420	csrsll.exe	102

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4516-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4516-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4740-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4740-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4516-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4740-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023baa-29.dat	upx
behavioral2/memory/1420-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4740-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1420-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1420-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1660-48-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1660-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1660-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1660-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1420-59-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1660-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4740-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3612-63-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1660-64-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	69ffa8090cde5ade972a0ef52d8118f7668e20d0c37ca1533980c486b742e078N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	69ffa8090cde5ade972a0ef52d8118f7668e20d0c37ca1533980c486b742e078N.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe
Token: SeDebugPrivilege	3612	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4516	69ffa8090cde5ade972a0ef52d8118f7668e20d0c37ca1533980c486b742e078N.exe
4740	69ffa8090cde5ade972a0ef52d8118f7668e20d0c37ca1533980c486b742e078N.exe
1420	csrsll.exe
3612	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4516 wrote to memory of 4740	4516	69ffa8090cde5ade972a0ef52d8118f7668e20d0c37ca1533980c486b742e078N.exe	88
PID 4516 wrote to memory of 4740	4516	69ffa8090cde5ade972a0ef52d8118f7668e20d0c37ca1533980c486b742e078N.exe	88
PID 4516 wrote to memory of 4740	4516	69ffa8090cde5ade972a0ef52d8118f7668e20d0c37ca1533980c486b742e078N.exe	88
PID 4516 wrote to memory of 4740	4516	69ffa8090cde5ade972a0ef52d8118f7668e20d0c37ca1533980c486b742e078N.exe	88
PID 4516 wrote to memory of 4740	4516	69ffa8090cde5ade972a0ef52d8118f7668e20d0c37ca1533980c486b742e078N.exe	88
PID 4516 wrote to memory of 4740	4516	69ffa8090cde5ade972a0ef52d8118f7668e20d0c37ca1533980c486b742e078N.exe	88
PID 4516 wrote to memory of 4740	4516	69ffa8090cde5ade972a0ef52d8118f7668e20d0c37ca1533980c486b742e078N.exe	88
PID 4516 wrote to memory of 4740	4516	69ffa8090cde5ade972a0ef52d8118f7668e20d0c37ca1533980c486b742e078N.exe	88
PID 4740 wrote to memory of 116	4740	69ffa8090cde5ade972a0ef52d8118f7668e20d0c37ca1533980c486b742e078N.exe	91
PID 4740 wrote to memory of 116	4740	69ffa8090cde5ade972a0ef52d8118f7668e20d0c37ca1533980c486b742e078N.exe	91
PID 4740 wrote to memory of 116	4740	69ffa8090cde5ade972a0ef52d8118f7668e20d0c37ca1533980c486b742e078N.exe	91
PID 116 wrote to memory of 5052	116	cmd.exe	95
PID 116 wrote to memory of 5052	116	cmd.exe	95
PID 116 wrote to memory of 5052	116	cmd.exe	95
PID 4740 wrote to memory of 1420	4740	69ffa8090cde5ade972a0ef52d8118f7668e20d0c37ca1533980c486b742e078N.exe	96
PID 4740 wrote to memory of 1420	4740	69ffa8090cde5ade972a0ef52d8118f7668e20d0c37ca1533980c486b742e078N.exe	96
PID 4740 wrote to memory of 1420	4740	69ffa8090cde5ade972a0ef52d8118f7668e20d0c37ca1533980c486b742e078N.exe	96
PID 1420 wrote to memory of 3612	1420	csrsll.exe	101
PID 1420 wrote to memory of 3612	1420	csrsll.exe	101
PID 1420 wrote to memory of 3612	1420	csrsll.exe	101
PID 1420 wrote to memory of 3612	1420	csrsll.exe	101
PID 1420 wrote to memory of 3612	1420	csrsll.exe	101
PID 1420 wrote to memory of 3612	1420	csrsll.exe	101
PID 1420 wrote to memory of 3612	1420	csrsll.exe	101
PID 1420 wrote to memory of 3612	1420	csrsll.exe	101
PID 1420 wrote to memory of 1660	1420	csrsll.exe	102
PID 1420 wrote to memory of 1660	1420	csrsll.exe	102
PID 1420 wrote to memory of 1660	1420	csrsll.exe	102
PID 1420 wrote to memory of 1660	1420	csrsll.exe	102
PID 1420 wrote to memory of 1660	1420	csrsll.exe	102
PID 1420 wrote to memory of 1660	1420	csrsll.exe	102
PID 1420 wrote to memory of 1660	1420	csrsll.exe	102
PID 1420 wrote to memory of 1660	1420	csrsll.exe	102

C:\Users\Admin\AppData\Local\Temp\69ffa8090cde5ade972a0ef52d8118f7668e20d0c37ca1533980c486b742e078N.exe
"C:\Users\Admin\AppData\Local\Temp\69ffa8090cde5ade972a0ef52d8118f7668e20d0c37ca1533980c486b742e078N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4516
- C:\Users\Admin\AppData\Local\Temp\69ffa8090cde5ade972a0ef52d8118f7668e20d0c37ca1533980c486b742e078N.exe
  "C:\Users\Admin\AppData\Local\Temp\69ffa8090cde5ade972a0ef52d8118f7668e20d0c37ca1533980c486b742e078N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4740
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\VYJNT.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:116
  - - 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:5052
- - 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:1420
  - - 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:3612
  - - 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:1660

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\VYJNT.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
92227ac609c3393f2cd814f17b02c4d2

SHA1
23f8cf119e13c25d3240ebcdcf8ed385458cd680

SHA256
2bf1e4743c34d4b12236b1a31655647b5bd75225cd7c5aa2b02b0ca673a08732

SHA512
19413b07b7e1db1e695af1a75f82e841c8aa98242b7b0a94addc1502f32bb39b5fafff037536b1150c10c2b670378314546560968f7332bfab194fc2991a8aa1

Download Submit
memory/1420-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1420-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1420-59-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1420-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1660-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1660-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1660-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1660-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1660-48-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1660-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3612-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4516-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4516-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4516-6-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/4516-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4516-4-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/4516-3-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/4740-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4740-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4740-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4740-60-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4740-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4740-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads