modiloader | 628930f9b112760abb6afb3d84f4fe9007a222aeaaeae90130b377cd261dec8c

Analysis

max time kernel
19s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08/05/2024, 10:18

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General

Target
5f4cb188b5fdf35093d7cb198a2fe8a0_NEIKI.exe
Size 112KB
Sample240508-mcbbksaa67
SHA256 628930f9b112760abb6afb3d84f4fe9007a222aeaaeae90130b377cd261dec8c
MD5 5f4cb188b5fdf35093d7cb198a2fe8a0
SHA1 e4d8f996f6541146d080abf185e10780f290a609
SHA512 9f2bfc85c54b104c52a2a10a9e719bd1239f443402a4f979751cb34f5f96b80ab4582998793c90311f06430677ac5067332944df771694b4175558e41f3297ab
SSDEEP 1536:t2ovIa47CqIf2f3w41p7sDcX7juR/JSJw8EeNshUDGXJ:tVIr7zI+fAceoGxSKKo5
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

modiloader 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 Second Stage 3 IoCs

resource	yara_rule
behavioral2/memory/788-67-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/788-65-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/788-73-0x0000000000400000-0x0000000000414000-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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	5f4cb188b5fdf35093d7cb198a2fe8a0_NEIKI.exe

Executes dropped EXE 3 IoCs

pid	Process
380	WAMain.exe
4304	WAMain.exe
788	WAMain.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/716-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/716-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/716-17-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/788-61-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/788-67-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/788-65-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/788-63-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/716-69-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/788-73-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4304-72-0x0000000000400000-0x000000000040B000-memory.dmp	upx

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows WA = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\WAMain.exe"	reg.exe

Suspicious use of SetThreadContext 5 IoCs

description	pid	Process	procid_target
PID 3076 set thread context of 4992	3076	5f4cb188b5fdf35093d7cb198a2fe8a0_NEIKI.exe	91
PID 3076 set thread context of 716	3076	5f4cb188b5fdf35093d7cb198a2fe8a0_NEIKI.exe	92
PID 380 set thread context of 1648	380	WAMain.exe	98
PID 380 set thread context of 4304	380	WAMain.exe	99
PID 380 set thread context of 788	380	WAMain.exe	100

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4304	WAMain.exe
Token: SeDebugPrivilege	4304	WAMain.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3076	5f4cb188b5fdf35093d7cb198a2fe8a0_NEIKI.exe
4992	svchost.exe
716	5f4cb188b5fdf35093d7cb198a2fe8a0_NEIKI.exe
380	WAMain.exe
1648	svchost.exe
4304	WAMain.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 3076 wrote to memory of 4992	3076	5f4cb188b5fdf35093d7cb198a2fe8a0_NEIKI.exe	91
PID 3076 wrote to memory of 4992	3076	5f4cb188b5fdf35093d7cb198a2fe8a0_NEIKI.exe	91
PID 3076 wrote to memory of 4992	3076	5f4cb188b5fdf35093d7cb198a2fe8a0_NEIKI.exe	91
PID 3076 wrote to memory of 4992	3076	5f4cb188b5fdf35093d7cb198a2fe8a0_NEIKI.exe	91
PID 3076 wrote to memory of 4992	3076	5f4cb188b5fdf35093d7cb198a2fe8a0_NEIKI.exe	91
PID 3076 wrote to memory of 4992	3076	5f4cb188b5fdf35093d7cb198a2fe8a0_NEIKI.exe	91
PID 3076 wrote to memory of 4992	3076	5f4cb188b5fdf35093d7cb198a2fe8a0_NEIKI.exe	91
PID 3076 wrote to memory of 4992	3076	5f4cb188b5fdf35093d7cb198a2fe8a0_NEIKI.exe	91
PID 3076 wrote to memory of 4992	3076	5f4cb188b5fdf35093d7cb198a2fe8a0_NEIKI.exe	91
PID 3076 wrote to memory of 716	3076	5f4cb188b5fdf35093d7cb198a2fe8a0_NEIKI.exe	92
PID 3076 wrote to memory of 716	3076	5f4cb188b5fdf35093d7cb198a2fe8a0_NEIKI.exe	92
PID 3076 wrote to memory of 716	3076	5f4cb188b5fdf35093d7cb198a2fe8a0_NEIKI.exe	92
PID 3076 wrote to memory of 716	3076	5f4cb188b5fdf35093d7cb198a2fe8a0_NEIKI.exe	92
PID 3076 wrote to memory of 716	3076	5f4cb188b5fdf35093d7cb198a2fe8a0_NEIKI.exe	92
PID 3076 wrote to memory of 716	3076	5f4cb188b5fdf35093d7cb198a2fe8a0_NEIKI.exe	92
PID 3076 wrote to memory of 716	3076	5f4cb188b5fdf35093d7cb198a2fe8a0_NEIKI.exe	92
PID 3076 wrote to memory of 716	3076	5f4cb188b5fdf35093d7cb198a2fe8a0_NEIKI.exe	92
PID 716 wrote to memory of 3920	716	5f4cb188b5fdf35093d7cb198a2fe8a0_NEIKI.exe	93
PID 716 wrote to memory of 3920	716	5f4cb188b5fdf35093d7cb198a2fe8a0_NEIKI.exe	93
PID 716 wrote to memory of 3920	716	5f4cb188b5fdf35093d7cb198a2fe8a0_NEIKI.exe	93
PID 3920 wrote to memory of 2828	3920	cmd.exe	96
PID 3920 wrote to memory of 2828	3920	cmd.exe	96
PID 3920 wrote to memory of 2828	3920	cmd.exe	96
PID 716 wrote to memory of 380	716	5f4cb188b5fdf35093d7cb198a2fe8a0_NEIKI.exe	97
PID 716 wrote to memory of 380	716	5f4cb188b5fdf35093d7cb198a2fe8a0_NEIKI.exe	97
PID 716 wrote to memory of 380	716	5f4cb188b5fdf35093d7cb198a2fe8a0_NEIKI.exe	97
PID 380 wrote to memory of 1648	380	WAMain.exe	98
PID 380 wrote to memory of 1648	380	WAMain.exe	98
PID 380 wrote to memory of 1648	380	WAMain.exe	98
PID 380 wrote to memory of 1648	380	WAMain.exe	98
PID 380 wrote to memory of 1648	380	WAMain.exe	98
PID 380 wrote to memory of 1648	380	WAMain.exe	98
PID 380 wrote to memory of 1648	380	WAMain.exe	98
PID 380 wrote to memory of 1648	380	WAMain.exe	98
PID 380 wrote to memory of 1648	380	WAMain.exe	98
PID 380 wrote to memory of 4304	380	WAMain.exe	99
PID 380 wrote to memory of 4304	380	WAMain.exe	99
PID 380 wrote to memory of 4304	380	WAMain.exe	99
PID 380 wrote to memory of 4304	380	WAMain.exe	99
PID 380 wrote to memory of 4304	380	WAMain.exe	99
PID 380 wrote to memory of 4304	380	WAMain.exe	99
PID 380 wrote to memory of 4304	380	WAMain.exe	99
PID 380 wrote to memory of 4304	380	WAMain.exe	99
PID 380 wrote to memory of 788	380	WAMain.exe	100
PID 380 wrote to memory of 788	380	WAMain.exe	100
PID 380 wrote to memory of 788	380	WAMain.exe	100
PID 380 wrote to memory of 788	380	WAMain.exe	100
PID 380 wrote to memory of 788	380	WAMain.exe	100
PID 380 wrote to memory of 788	380	WAMain.exe	100
PID 380 wrote to memory of 788	380	WAMain.exe	100
PID 380 wrote to memory of 788	380	WAMain.exe	100

C:\Users\Admin\AppData\Local\Temp\5f4cb188b5fdf35093d7cb198a2fe8a0_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\5f4cb188b5fdf35093d7cb198a2fe8a0_NEIKI.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3076
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\system32\svchost.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:4992
- C:\Users\Admin\AppData\Local\Temp\5f4cb188b5fdf35093d7cb198a2fe8a0_NEIKI.exe
  "C:\Users\Admin\AppData\Local\Temp\5f4cb188b5fdf35093d7cb198a2fe8a0_NEIKI.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:716
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\AJAUV.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3920
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Windows WA" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe" /f
      4⤵
      Adds Run key to start application
      PID:2828
- - C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:380
  - - C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\system32\svchost.exe"
      4⤵
      Suspicious use of SetWindowsHookEx
      PID:1648
  - - C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:4304
  - - C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
      4⤵
      Executes dropped EXE
      PID:788

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3756 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8
1⤵
PID:1164

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

AJAUV.txt

Path C:\Users\Admin\AppData\Local\Temp\AJAUV.txt
Size 148B
SHA256 cff0663c8cfadf83b80583a871c313ffc5d950cb503809cb4a482f400c5d846b
MD5 3a4614705555abb049c3298e61170b7f
SHA1 c8686410756f346d9551256a5b878b04770950ba
SHA512 65ce6fec00e6934f21635e7ccd74757f31ed4b0ddb52bd80d3ea9abeba56340128d23151ef7d9f5daacb5d61e4a4cca50dbb3a43132e350522311ee06e829007
MD5 SHA1 SHA512

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WAMain.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
Size 112KB
SHA256 0d0a597b608d94532816860c9621276008758f3eb1e370e068b95f2f8d9cf629
MD5 81c8b92050e3deb58644f1e5623f76d8
SHA1 6ae7d06ea97159ba0ff832bea7dfb073629da715
SHA512 55f420e5c8fe1354bc4169eb6150df57a9c56f798818ef40c65ad11c76a48675e36be89bdbb0615d91e8b3c6c821164e950b2c62f8f42e79d6364c21a996798f
SSDEEP 1536:t2ovIa47CqIf2f3w41p7sDcX7juR/JSJw8EeNshUDGXJ:tVIr7zI+fAceoGxSKKo5
MD5 SHA1 SHA512 SSDEEP

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memory/380-68-0x0000000000400000-0x000000000041F000-memory.dmp

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memory/380-50-0x0000000000400000-0x000000000041F000-memory.dmp

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memory/380-47-0x0000000000400000-0x000000000041F000-memory.dmp

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memory/380-46-0x0000000000400000-0x000000000041F000-memory.dmp

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memory/380-45-0x0000000000400000-0x000000000041F000-memory.dmp

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memory/716-17-0x0000000000400000-0x000000000040B000-memory.dmp

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memory/716-69-0x0000000000400000-0x000000000040B000-memory.dmp

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memory/716-9-0x0000000000400000-0x000000000040B000-memory.dmp

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memory/716-13-0x0000000000400000-0x000000000040B000-memory.dmp

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memory/788-61-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/788-67-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/788-73-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/788-63-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/788-65-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/1648-60-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/1648-48-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/1648-51-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/1648-82-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/3076-5-0x0000000002A50000-0x0000000002A52000-memory.dmp

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memory/3076-2-0x0000000002A00000-0x0000000002A02000-memory.dmp

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memory/3076-6-0x0000000002AA0000-0x0000000002AA2000-memory.dmp

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memory/3076-8-0x0000000002B10000-0x0000000002B12000-memory.dmp

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memory/3076-4-0x0000000002A30000-0x0000000002A32000-memory.dmp

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memory/3076-3-0x0000000002A10000-0x0000000002A12000-memory.dmp

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memory/4304-72-0x0000000000400000-0x000000000040B000-memory.dmp

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memory/4992-16-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/4992-12-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/4992-71-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/4992-7-0x0000000000400000-0x000000000040C000-memory.dmp

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