metamorpherrat | edeb709af50d8fa27dde8ab015ab0de7fae86a44ae6bc2fe651362302ed36b4e

General

Target

a989f1b84357fa124dc1fbefe1bb42b0N.exe
Size

78KB
MD5

a989f1b84357fa124dc1fbefe1bb42b0
SHA1

df2ede9b4ea2a9204a55fda033bfeee80ccca42e
SHA256

edeb709af50d8fa27dde8ab015ab0de7fae86a44ae6bc2fe651362302ed36b4e
SHA512

fb3b47c314a0b2aa4a41def70698a401f0e383b5594cdaceefd5632243bacbabed17ac760b4e77f1f13a08059f1eaf90bbf64639aa58c18f3b482a68d2fdeef8
SSDEEP

1536:oWtHF3M3xXT0XRhyRjVf3znOJTv3lcUK/+dWzCP7oYTcSQt3o9/01f1:oWtHF83xSyRxvY3md+dWWZy3o9/E

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

Executes dropped EXE 1 IoCs

pid	Process
2512	tmp95D9.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2352	a989f1b84357fa124dc1fbefe1bb42b0N.exe
2352	a989f1b84357fa124dc1fbefe1bb42b0N.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\ShFusRes = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\big5.exe\""	tmp95D9.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	a989f1b84357fa124dc1fbefe1bb42b0N.exe
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	tmp95D9.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2352	a989f1b84357fa124dc1fbefe1bb42b0N.exe
Token: SeDebugPrivilege	2512	tmp95D9.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 1892	2352	a989f1b84357fa124dc1fbefe1bb42b0N.exe	30
PID 2352 wrote to memory of 1892	2352	a989f1b84357fa124dc1fbefe1bb42b0N.exe	30
PID 2352 wrote to memory of 1892	2352	a989f1b84357fa124dc1fbefe1bb42b0N.exe	30
PID 2352 wrote to memory of 1892	2352	a989f1b84357fa124dc1fbefe1bb42b0N.exe	30
PID 1892 wrote to memory of 2100	1892	vbc.exe	32
PID 1892 wrote to memory of 2100	1892	vbc.exe	32
PID 1892 wrote to memory of 2100	1892	vbc.exe	32
PID 1892 wrote to memory of 2100	1892	vbc.exe	32
PID 2352 wrote to memory of 2512	2352	a989f1b84357fa124dc1fbefe1bb42b0N.exe	33
PID 2352 wrote to memory of 2512	2352	a989f1b84357fa124dc1fbefe1bb42b0N.exe	33
PID 2352 wrote to memory of 2512	2352	a989f1b84357fa124dc1fbefe1bb42b0N.exe	33
PID 2352 wrote to memory of 2512	2352	a989f1b84357fa124dc1fbefe1bb42b0N.exe	33

C:\Users\Admin\AppData\Local\Temp\a989f1b84357fa124dc1fbefe1bb42b0N.exe
"C:\Users\Admin\AppData\Local\Temp\a989f1b84357fa124dc1fbefe1bb42b0N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2352
- 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\gfnufvh_.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1892
- - 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\RES96B5.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc96B4.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2100
- C:\Users\Admin\AppData\Local\Temp\tmp95D9.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp95D9.tmp.exe" C:\Users\Admin\AppData\Local\Temp\a989f1b84357fa124dc1fbefe1bb42b0N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2512

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

System Information Discovery

1

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\RES96B5.tmp

Filesize
1KB

MD5
d3b158f29b9b8e50b8f3106015eb592f

SHA1
170fe00920cb3ca9d7dd17a51d4bc2c291b1aaee

SHA256
f74ed9a26a4f74e26413d447347c3376803b7bffba88d99e381f46106a742928

SHA512
cbb4e3e2ca939b3291854e27e0a064875786c408d4e1099ea6db4654e72a1f37773a8b669bb044af51599c11963887558cb88c756549e7702727037f53580979

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

Filesize
15KB

MD5
07b74c8670b51aada4dbdfd1d03fc218

SHA1
2ab221d90e986c67c9e83fc3019f18c800080ba7

SHA256
7d954bd08477aae3359c12e57e09128a2b823586b766b44e738350ecd9eefef0

SHA512
d784b23b6fcce8d555db373bba9e6b213e1c9515f1c2d5ae26d586d1511db262539363052fc41e8676b8f806b110306c38b485368b8c2f635ebe13a61513b85f

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

Filesize
266B

MD5
d7104aff8da1180435c9838cc50d5179

SHA1
85cfcc2d9b130feba2be43f3a9fbd9de512a7e76

SHA256
097554c498c25f36190c3bb212fa16980b7102047bf8514ce9c090dab4844bb3

SHA512
b49563aa0477612cfe3af2ed047b20864768d307569b1ac8e9cb21eee5f292cc8b8026946c0ddf7d57749a776cc405f01d4c255ff8b8e0f2ca8319274609a09a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp95D9.tmp.exe

Filesize
78KB

MD5
a1027b3d62d8158899d304e2124b0ff3

SHA1
620c77d34f4e33627b3cfdbe11bd722c52c9bca2

SHA256
5b2c41be9e31f46823dae8b9a1de4f0672194eefda5b6d95e8cb48a240bc826c

SHA512
410e23bc8eb637b415c61cada0d66b5e3f8699d217e3b5f0a67809e57ba31f3995911a002891677cbaeaf51683c7419363f041f8fadac047dfbcdef47a99e044

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc96B4.tmp

Filesize
660B

MD5
2f95f8d793d9dfe0646320b61d5a5374

SHA1
157cb3ca7725d315d75f15653133ed74c3e1c361

SHA256
4a288fd1f138abbd71e71d66eb2d1f96234ae8a29551625c146782b5d47363d0

SHA512
10716a2da389e8df940bd790fe8eec81c06eb5711bdf00b6ff0b7bb51a52ec167e7b9f62dd5d73300fefd1560a8f8fa1db5b8987357a719c7d087a10b2b2cf9e

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

Filesize
62KB

MD5
4f0e8cf79edb6cd381474b21cabfdf4a

SHA1
7018c96b4c5dab7957d4bcdc82c1e7bb3a4f80c4

SHA256
e54a257fa391065c120f55841de8c11116ea0e601d90fe1a35dcd340c5dd9cd5

SHA512
2451a59d09464e30d0df822d9322dbecb83faa92c5a5b71b7b9db62330c40cc7570d66235f137290074a3c4a9f3d8b3447067ed135f1bb60ea9e18d0df39a107

Download Submit
memory/1892-8-0x0000000074130000-0x00000000746DB000-memory.dmp

Filesize
5.7MB

Download
memory/1892-18-0x0000000074130000-0x00000000746DB000-memory.dmp

Filesize
5.7MB

Download
memory/2352-0-0x0000000074131000-0x0000000074132000-memory.dmp

Filesize
4KB

Download
memory/2352-1-0x0000000074130000-0x00000000746DB000-memory.dmp

Filesize
5.7MB

Download
memory/2352-2-0x0000000074130000-0x00000000746DB000-memory.dmp

Filesize
5.7MB

Download
memory/2352-24-0x0000000074130000-0x00000000746DB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads