modiloader | 55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301

Analysis

max time kernel
10s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27-09-2024 07:53

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General

Target

55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe
Size

112KB
MD5

5a01eb6627ae487a4d5a7f85976779f0
SHA1

6a68b91ab6cf35d3600fe04583b51dfb6f57510f
SHA256

55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301
SHA512

295d56318dc7dbc431ad8cbd1f3b322a7a49604b295323f16435933057a1642d158c730fa03c200868caeb7c343840c71fbc7b03f46e310ee5ebf319c43ad087
SSDEEP

1536:t2ovIa47CqIf2f3w41p7sDcX7juR/JSJw8EeNshUDGXJ:tVIr7zI+fAceoGxSKKo5

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 Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/1624-66-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1624-64-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1624-70-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1624-78-0x0000000000400000-0x0000000000414000-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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe

Executes dropped EXE 3 IoCs

pid	Process
60	WAMain.exe
2248	WAMain.exe
1624	WAMain.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-1-5-21-355097885-2402257403-2971294179-1000\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 760 set thread context of 4824	760	55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe	82
PID 760 set thread context of 2392	760	55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe	83
PID 60 set thread context of 3212	60	WAMain.exe	89
PID 60 set thread context of 2248	60	WAMain.exe	90
PID 60 set thread context of 1624	60	WAMain.exe	91

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2392-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2392-16-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2392-20-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1624-66-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1624-64-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1624-70-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1624-62-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1624-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2392-49-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2392-75-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2248-77-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1624-78-0x0000000000400000-0x0000000000414000-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 9 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	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WAMain.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WAMain.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WAMain.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe
4824	svchost.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2248	WAMain.exe
Token: SeDebugPrivilege	2248	WAMain.exe
Token: SeDebugPrivilege	2248	WAMain.exe
Token: SeDebugPrivilege	2248	WAMain.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
760	55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe
4824	svchost.exe
2392	55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe
60	WAMain.exe
3212	svchost.exe
2248	WAMain.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 760 wrote to memory of 4824	760	55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe	82
PID 760 wrote to memory of 4824	760	55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe	82
PID 760 wrote to memory of 4824	760	55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe	82
PID 760 wrote to memory of 4824	760	55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe	82
PID 760 wrote to memory of 4824	760	55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe	82
PID 760 wrote to memory of 4824	760	55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe	82
PID 760 wrote to memory of 4824	760	55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe	82
PID 760 wrote to memory of 4824	760	55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe	82
PID 760 wrote to memory of 4824	760	55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe	82
PID 760 wrote to memory of 2392	760	55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe	83
PID 760 wrote to memory of 2392	760	55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe	83
PID 760 wrote to memory of 2392	760	55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe	83
PID 760 wrote to memory of 2392	760	55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe	83
PID 760 wrote to memory of 2392	760	55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe	83
PID 760 wrote to memory of 2392	760	55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe	83
PID 760 wrote to memory of 2392	760	55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe	83
PID 760 wrote to memory of 2392	760	55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe	83
PID 2392 wrote to memory of 4452	2392	55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe	84
PID 2392 wrote to memory of 4452	2392	55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe	84
PID 2392 wrote to memory of 4452	2392	55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe	84
PID 4452 wrote to memory of 4912	4452	cmd.exe	87
PID 4452 wrote to memory of 4912	4452	cmd.exe	87
PID 4452 wrote to memory of 4912	4452	cmd.exe	87
PID 2392 wrote to memory of 60	2392	55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe	88
PID 2392 wrote to memory of 60	2392	55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe	88
PID 2392 wrote to memory of 60	2392	55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe	88
PID 60 wrote to memory of 3212	60	WAMain.exe	89
PID 60 wrote to memory of 3212	60	WAMain.exe	89
PID 60 wrote to memory of 3212	60	WAMain.exe	89
PID 60 wrote to memory of 3212	60	WAMain.exe	89
PID 60 wrote to memory of 3212	60	WAMain.exe	89
PID 60 wrote to memory of 3212	60	WAMain.exe	89
PID 60 wrote to memory of 3212	60	WAMain.exe	89
PID 60 wrote to memory of 3212	60	WAMain.exe	89
PID 60 wrote to memory of 3212	60	WAMain.exe	89
PID 60 wrote to memory of 2248	60	WAMain.exe	90
PID 60 wrote to memory of 2248	60	WAMain.exe	90
PID 60 wrote to memory of 2248	60	WAMain.exe	90
PID 60 wrote to memory of 2248	60	WAMain.exe	90
PID 60 wrote to memory of 2248	60	WAMain.exe	90
PID 60 wrote to memory of 2248	60	WAMain.exe	90
PID 60 wrote to memory of 2248	60	WAMain.exe	90
PID 60 wrote to memory of 2248	60	WAMain.exe	90
PID 60 wrote to memory of 1624	60	WAMain.exe	91
PID 60 wrote to memory of 1624	60	WAMain.exe	91
PID 60 wrote to memory of 1624	60	WAMain.exe	91
PID 60 wrote to memory of 1624	60	WAMain.exe	91
PID 60 wrote to memory of 1624	60	WAMain.exe	91
PID 60 wrote to memory of 1624	60	WAMain.exe	91
PID 60 wrote to memory of 1624	60	WAMain.exe	91
PID 60 wrote to memory of 1624	60	WAMain.exe	91

C:\Users\Admin\AppData\Local\Temp\55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe
"C:\Users\Admin\AppData\Local\Temp\55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:760
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\system32\svchost.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:4824
- C:\Users\Admin\AppData\Local\Temp\55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe
  "C:\Users\Admin\AppData\Local\Temp\55f3785b2b1213523acefaa0507de48081b8e4d21b5fb87e55871b1bb4b80301N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2392
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\EJYXF.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4452
  - - 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
      System Location Discovery: System Language Discovery
      PID:4912
- - C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:60
  - - C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\system32\svchost.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      PID:3212
  - - C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2248
  - - C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:1624

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\EJYXF.txt

Filesize
148B

MD5
3a4614705555abb049c3298e61170b7f

SHA1
c8686410756f346d9551256a5b878b04770950ba

SHA256
cff0663c8cfadf83b80583a871c313ffc5d950cb503809cb4a482f400c5d846b

SHA512
65ce6fec00e6934f21635e7ccd74757f31ed4b0ddb52bd80d3ea9abeba56340128d23151ef7d9f5daacb5d61e4a4cca50dbb3a43132e350522311ee06e829007

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

Filesize
112KB

MD5
b493a02db5ffeacfb9eb9a55ce7ffb31

SHA1
d0daeb186f24d103f6df96f2d7223ae4a51bdf1b

SHA256
8880d029a56358b32d97080562e6563db3a815b4405f38355f904db7a708be59

SHA512
1337315f78d7cfd25babb95b09084171c832b1a752622b7d4b9af9b12a184f337dbc702ac87f116faf79ba1d5eb2edacdcf796be2a1680d34d2397042986aafb

Download Submit
memory/60-48-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/60-72-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/60-51-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/60-47-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/60-46-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/760-7-0x0000000002D20000-0x0000000002D22000-memory.dmp

Filesize
8KB

Download
memory/760-2-0x0000000002C10000-0x0000000002C12000-memory.dmp

Filesize
8KB

Download
memory/760-15-0x0000000002C10000-0x0000000002C12000-memory.dmp

Filesize
8KB

Download
memory/760-5-0x0000000002CA0000-0x0000000002CA2000-memory.dmp

Filesize
8KB

Download
memory/760-4-0x0000000002C50000-0x0000000002C52000-memory.dmp

Filesize
8KB

Download
memory/760-3-0x0000000002C20000-0x0000000002C22000-memory.dmp

Filesize
8KB

Download
memory/1624-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1624-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1624-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1624-78-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1624-70-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1624-66-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2248-77-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2392-16-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2392-20-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2392-49-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2392-75-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2392-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3212-65-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3212-52-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3212-71-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4824-50-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4824-9-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4824-17-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4824-6-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download