modiloader | acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0

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
25/11/2024, 21:18

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General

Target

acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe
Size

90KB
MD5

621a531b5076b8db1213186b10d70a40
SHA1

a720515882f34f2d192ca573375cd2cfe18dfd3b
SHA256

acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0
SHA512

54b1a0e0c14b04d30a7e3d6f40ec87ac2119c770b5562e6692fd6e6e743049ce08887248d0af76a9635977dd37e8dcac19de340d57826fbe12f759af37530998
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDo:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE36

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/1308-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1308-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1308-59-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1308-64-0x0000000000400000-0x0000000000414000-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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe

Executes dropped EXE 3 IoCs

pid	Process
4392	csrsll.exe
2776	csrsll.exe
1308	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-1-5-21-3442511616-637977696-3186306149-1000\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 1772 set thread context of 4688	1772	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe	87
PID 4392 set thread context of 2776	4392	csrsll.exe	95
PID 4392 set thread context of 1308	4392	csrsll.exe	96

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1772-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1772-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4688-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4688-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1772-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4688-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023bb1-29.dat	upx
behavioral2/memory/4392-37-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4688-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4392-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4392-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1308-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1308-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1308-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4688-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4392-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1308-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1308-59-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2776-63-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1308-64-0x0000000000400000-0x0000000000414000-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	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe
Token: SeDebugPrivilege	2776	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1772	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe
4688	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe
4392	csrsll.exe
2776	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1772 wrote to memory of 4688	1772	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe	87
PID 1772 wrote to memory of 4688	1772	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe	87
PID 1772 wrote to memory of 4688	1772	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe	87
PID 1772 wrote to memory of 4688	1772	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe	87
PID 1772 wrote to memory of 4688	1772	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe	87
PID 1772 wrote to memory of 4688	1772	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe	87
PID 1772 wrote to memory of 4688	1772	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe	87
PID 1772 wrote to memory of 4688	1772	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe	87
PID 4688 wrote to memory of 3280	4688	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe	90
PID 4688 wrote to memory of 3280	4688	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe	90
PID 4688 wrote to memory of 3280	4688	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe	90
PID 3280 wrote to memory of 4376	3280	cmd.exe	93
PID 3280 wrote to memory of 4376	3280	cmd.exe	93
PID 3280 wrote to memory of 4376	3280	cmd.exe	93
PID 4688 wrote to memory of 4392	4688	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe	94
PID 4688 wrote to memory of 4392	4688	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe	94
PID 4688 wrote to memory of 4392	4688	acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe	94
PID 4392 wrote to memory of 2776	4392	csrsll.exe	95
PID 4392 wrote to memory of 2776	4392	csrsll.exe	95
PID 4392 wrote to memory of 2776	4392	csrsll.exe	95
PID 4392 wrote to memory of 2776	4392	csrsll.exe	95
PID 4392 wrote to memory of 2776	4392	csrsll.exe	95
PID 4392 wrote to memory of 2776	4392	csrsll.exe	95
PID 4392 wrote to memory of 2776	4392	csrsll.exe	95
PID 4392 wrote to memory of 2776	4392	csrsll.exe	95
PID 4392 wrote to memory of 1308	4392	csrsll.exe	96
PID 4392 wrote to memory of 1308	4392	csrsll.exe	96
PID 4392 wrote to memory of 1308	4392	csrsll.exe	96
PID 4392 wrote to memory of 1308	4392	csrsll.exe	96
PID 4392 wrote to memory of 1308	4392	csrsll.exe	96
PID 4392 wrote to memory of 1308	4392	csrsll.exe	96
PID 4392 wrote to memory of 1308	4392	csrsll.exe	96
PID 4392 wrote to memory of 1308	4392	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe
"C:\Users\Admin\AppData\Local\Temp\acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1772
- C:\Users\Admin\AppData\Local\Temp\acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe
  "C:\Users\Admin\AppData\Local\Temp\acc86b96c670620a28b7018f3cdfb6e1006e63c6262cfb8507df248268b904d0N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4688
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\GVWTC.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3280
  - - 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:4376
- - 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:4392
  - - 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:2776
  - - 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:1308

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\GVWTC.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
9ccc9949e5f1c2a86aa67a5d84c2c20f

SHA1
b9d681346531e2dacf3bf05b924a2168440ecaad

SHA256
0f64c6d7c635c4ee8ccbddd7a77fb0b027e144b2258cc5d661c3f1a65bdca5dd

SHA512
e8a44ab2acdcc2a81a290371080fd90db022d3e20151b70dc5adcf3ef23b4793b2c0c2446d16475d2e70ba284b0d32b7ad50c556dd99e5e15a427ad4d307ef0b

Download Submit
memory/1308-59-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1308-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1308-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1308-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1308-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1308-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1772-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1772-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1772-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1772-5-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/1772-6-0x0000000002340000-0x0000000002342000-memory.dmp

Filesize
8KB

Download
memory/1772-3-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/2776-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4392-37-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4392-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4392-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4392-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4688-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4688-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4688-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4688-60-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4688-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4688-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads