metamorpherrat | 926e5aef8389b22a790ef4faa892a12519f733ef63c4779ce616221bee6d9380

General

Target

8f61a1c10ed39950b1c298df27248c10N.exe
Size

78KB
MD5

8f61a1c10ed39950b1c298df27248c10
SHA1

1c739a6d28d216be22da7c328850aedcffcc4116
SHA256

926e5aef8389b22a790ef4faa892a12519f733ef63c4779ce616221bee6d9380
SHA512

6f38b1d871dd6d26acc0969230eff84664ae154acc5fafa4594aec2088431bbf69e2fcb6268212f3ced392577ab0455fbd9287331b1dadb39c36d431de3d6ff8
SSDEEP

1536:AcRWtHF3uaJtZAlGmWw644txVILJtcfJuovFdPKmNqOqD70Gou2P2oYe9QtL+9/U:rRWtHFP3ZAtWDDILJLovbicqOq3o+nLN

Score

10^/10

metamorpherrat discovery persistence rat stealer trojan

Malware Config

Signatures

MetamorpherRAT
Metamorpherrat is a hacking tool that has been around for a while since 2013.
trojan rat stealer metamorpherrat

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	8f61a1c10ed39950b1c298df27248c10N.exe

Executes dropped EXE 1 IoCs

pid	Process
372	tmp7ADD.tmp.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

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\caspol.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallMembership.exe\""	tmp7ADD.tmp.exe

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 4 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	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp7ADD.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8f61a1c10ed39950b1c298df27248c10N.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5112	8f61a1c10ed39950b1c298df27248c10N.exe
Token: SeDebugPrivilege	372	tmp7ADD.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 5112 wrote to memory of 4832	5112	8f61a1c10ed39950b1c298df27248c10N.exe	86
PID 5112 wrote to memory of 4832	5112	8f61a1c10ed39950b1c298df27248c10N.exe	86
PID 5112 wrote to memory of 4832	5112	8f61a1c10ed39950b1c298df27248c10N.exe	86
PID 4832 wrote to memory of 3284	4832	vbc.exe	89
PID 4832 wrote to memory of 3284	4832	vbc.exe	89
PID 4832 wrote to memory of 3284	4832	vbc.exe	89
PID 5112 wrote to memory of 372	5112	8f61a1c10ed39950b1c298df27248c10N.exe	92
PID 5112 wrote to memory of 372	5112	8f61a1c10ed39950b1c298df27248c10N.exe	92
PID 5112 wrote to memory of 372	5112	8f61a1c10ed39950b1c298df27248c10N.exe	92

C:\Users\Admin\AppData\Local\Temp\8f61a1c10ed39950b1c298df27248c10N.exe
"C:\Users\Admin\AppData\Local\Temp\8f61a1c10ed39950b1c298df27248c10N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5112
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\fxk3u2kd.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4832
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES7BD7.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc22A576404521402E902780BBA713EBC.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3284
- C:\Users\Admin\AppData\Local\Temp\tmp7ADD.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp7ADD.tmp.exe" C:\Users\Admin\AppData\Local\Temp\8f61a1c10ed39950b1c298df27248c10N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:372

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

1

T1064

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

Scripting

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RES7BD7.tmp

Filesize
1KB

MD5
73505e15247b7aed03b0cff457c315a9

SHA1
83755b1beebb426be7eff009557967f2beafc45f

SHA256
763217971836d758729f9fbbc01950fd9da3ddaed798769b6fe2b0a9d97e9289

SHA512
15788abed66f531b0ba53005f8103ca26e26d17b37de62d67d736715389f09adf01b9ba3fe49fbac838dca47f0364f74f324baf4406b093665959559afa36559

Download Submit
C:\Users\Admin\AppData\Local\Temp\fxk3u2kd.0.vb

Filesize
15KB

MD5
4887e4a7f46e1ef6cbcfd9b96530c7ad

SHA1
ee64e3eb275c36f5d34a2d98276b438a4ecb3428

SHA256
5f90b5f103904f0582be9b90c190859684912d777459e2bdabe604d049edae09

SHA512
d8458f46d676d83712b786d2df09629d69a64dbf6991e95b681dc7ca671f27940e938cfa5c24f4825f47309da5dffa473a44cae29e7c109b30d193dab4b6e166

Download Submit
C:\Users\Admin\AppData\Local\Temp\fxk3u2kd.cmdline

Filesize
266B

MD5
72d09d22962bd670d5248360dd7f1148

SHA1
857bc9eefe1e16072065e7dfc6ef126ff134149e

SHA256
b6cba7db0c2a2bebaff709b3ab4b10c4380da4844d151b0a7c5084e29edd2581

SHA512
a695defda69f8abeaf436cf1914b007120c3122e0f094d37c88b31ebf59489c0388f4b1d9bcfc8bbdb3a10116221d03537bf8a661e5b0950196ec27a04b88ada

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7ADD.tmp.exe

Filesize
78KB

MD5
9d052b91d0e0bbe33299df9af0ed8803

SHA1
150dfe97a66244f04c28935c3d4d4ee01ba2b330

SHA256
a232ca91b01bde31a79280a1c09f897017686514ab3fa544094166fc491c7fdc

SHA512
69987b9ba6408f342d6a431e5452417984c72b6ad5f3025496b34edb071f5a617a6b180ded35c03e0681e08f427bae62f3e37d506323dd332a4e5ed0dc9fc79b

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc22A576404521402E902780BBA713EBC.TMP

Filesize
660B

MD5
b4fcc84c044579dfc06de14258cc1bc6

SHA1
43d3d5e674a8d22418609d765e318e5989dd8d16

SHA256
a896a415abfe4b9f8d515b9f029aeb0ca0be531f35ea9fe6a4ea6f6f2d1bcda6

SHA512
43da1321a30918246a6a916080a3fd1edaf3beaa225f3ba4456e2b03345279b4978f4234eb5c5f685e6b54ae957045b0e592f01002174d187cc5a1ca6d08d07b

Download Submit
C:\Users\Admin\AppData\Local\Temp\zCom.resources

Filesize
62KB

MD5
a26b0f78faa3881bb6307a944b096e91

SHA1
42b01830723bf07d14f3086fa83c4f74f5649368

SHA256
b43ecda931e7af03f0768c905ed9fa82c03e41e566b1dff9960afc6b91ae5ab5

SHA512
a0e9c2814fca6bcf87e779592c005d7a8eef058a61f5a5443f7cf8d97e2316d0cde91ed51270bbcc23ccf68c7fc4a321a5a95a4eed75cb8d8a45cb3aa725fb9c

Download Submit
memory/372-23-0x0000000074CC0000-0x0000000075271000-memory.dmp

Filesize
5.7MB

Download
memory/372-27-0x0000000074CC0000-0x0000000075271000-memory.dmp

Filesize
5.7MB

Download
memory/372-26-0x0000000074CC0000-0x0000000075271000-memory.dmp

Filesize
5.7MB

Download
memory/372-25-0x0000000074CC0000-0x0000000075271000-memory.dmp

Filesize
5.7MB

Download
memory/372-24-0x0000000074CC0000-0x0000000075271000-memory.dmp

Filesize
5.7MB

Download
memory/4832-18-0x0000000074CC0000-0x0000000075271000-memory.dmp

Filesize
5.7MB

Download
memory/4832-9-0x0000000074CC0000-0x0000000075271000-memory.dmp

Filesize
5.7MB

Download
memory/5112-22-0x0000000074CC0000-0x0000000075271000-memory.dmp

Filesize
5.7MB

Download
memory/5112-2-0x0000000074CC0000-0x0000000075271000-memory.dmp

Filesize
5.7MB

Download
memory/5112-1-0x0000000074CC0000-0x0000000075271000-memory.dmp

Filesize
5.7MB

Download
memory/5112-0-0x0000000074CC2000-0x0000000074CC3000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads