metamorpherrat | debbb60dda14e0a7855e725d6e00a7d9428fd3e4811e350e9712182381224f4a

General

Target

debbb60dda14e0a7855e725d6e00a7d9428fd3e4811e350e9712182381224f4aN.exe
Size

78KB
MD5

b3ead9dcdb1fe0de6f31e7a0c64a1330
SHA1

234a9f80d52cfd73db043b4fb93e2c7eb431d037
SHA256

debbb60dda14e0a7855e725d6e00a7d9428fd3e4811e350e9712182381224f4a
SHA512

457d905be6a487103d4fa21b1cff829c8589fe6fa15aa7bf7255e53630ee21af08b7a22227abbb9b4bcad42a6d0fe68e220f176d4d3e328f1f48daeda0f1cb3d
SSDEEP

1536:jRCHF3M3xXT0XRhyRjVf3znOJTv3lcUK/+dWzCP7oYTcSQtR99/t1J6:jRCHF83xSyRxvY3md+dWWZyR99/4

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
2984	tmpEC71.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2328	debbb60dda14e0a7855e725d6e00a7d9428fd3e4811e350e9712182381224f4aN.exe
2328	debbb60dda14e0a7855e725d6e00a7d9428fd3e4811e350e9712182381224f4aN.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\ShFusRes = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\big5.exe\""	tmpEC71.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	tmpEC71.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	debbb60dda14e0a7855e725d6e00a7d9428fd3e4811e350e9712182381224f4aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2328	debbb60dda14e0a7855e725d6e00a7d9428fd3e4811e350e9712182381224f4aN.exe
Token: SeDebugPrivilege	2984	tmpEC71.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2320	2328	debbb60dda14e0a7855e725d6e00a7d9428fd3e4811e350e9712182381224f4aN.exe	30
PID 2328 wrote to memory of 2320	2328	debbb60dda14e0a7855e725d6e00a7d9428fd3e4811e350e9712182381224f4aN.exe	30
PID 2328 wrote to memory of 2320	2328	debbb60dda14e0a7855e725d6e00a7d9428fd3e4811e350e9712182381224f4aN.exe	30
PID 2328 wrote to memory of 2320	2328	debbb60dda14e0a7855e725d6e00a7d9428fd3e4811e350e9712182381224f4aN.exe	30
PID 2320 wrote to memory of 2888	2320	vbc.exe	32
PID 2320 wrote to memory of 2888	2320	vbc.exe	32
PID 2320 wrote to memory of 2888	2320	vbc.exe	32
PID 2320 wrote to memory of 2888	2320	vbc.exe	32
PID 2328 wrote to memory of 2984	2328	debbb60dda14e0a7855e725d6e00a7d9428fd3e4811e350e9712182381224f4aN.exe	33
PID 2328 wrote to memory of 2984	2328	debbb60dda14e0a7855e725d6e00a7d9428fd3e4811e350e9712182381224f4aN.exe	33
PID 2328 wrote to memory of 2984	2328	debbb60dda14e0a7855e725d6e00a7d9428fd3e4811e350e9712182381224f4aN.exe	33
PID 2328 wrote to memory of 2984	2328	debbb60dda14e0a7855e725d6e00a7d9428fd3e4811e350e9712182381224f4aN.exe	33

C:\Users\Admin\AppData\Local\Temp\debbb60dda14e0a7855e725d6e00a7d9428fd3e4811e350e9712182381224f4aN.exe
"C:\Users\Admin\AppData\Local\Temp\debbb60dda14e0a7855e725d6e00a7d9428fd3e4811e350e9712182381224f4aN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2328
- 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\_owo49lr.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2320
- - 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\RESEF8E.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcEF7D.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2888
- C:\Users\Admin\AppData\Local\Temp\tmpEC71.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpEC71.tmp.exe" C:\Users\Admin\AppData\Local\Temp\debbb60dda14e0a7855e725d6e00a7d9428fd3e4811e350e9712182381224f4aN.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2984

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

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

1

T1112

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\RESEF8E.tmp

Filesize
1KB

MD5
38dbfe22916c345b3c3904ab8497ab90

SHA1
413b31e7c765ff59881975cd19bf588eec49a411

SHA256
a15569949f3a7b1933799c12796d1459e4092de0ba170fa9f32bc97e301e3a82

SHA512
6ffc6c40a4f25f4af155fc2ae972a60e08ac7dd55212628631ab28ae05886d70db9bbaa123406cca8452d9805b1760bc69070393c715f0da93868258f54c6f61

Download Submit
C:\Users\Admin\AppData\Local\Temp\_owo49lr.0.vb

Filesize
15KB

MD5
e70556459ce3233a7d1e9bf1ba42892f

SHA1
0949f9038c7a387ffb4b16f5ae20e602bf33af9a

SHA256
e2880c0749f01082efc3dc1d9b140d90fe4efdbb8a1b780ff99bd239e90be01f

SHA512
d99d688bd919a78e8440c41bdc5417d4a618cbd7985af145801c5698528134d0b950ee3d3e8dccb2a46c2567dba33065422386b0831c5ba9f23f95f507716f33

Download Submit
C:\Users\Admin\AppData\Local\Temp\_owo49lr.cmdline

Filesize
266B

MD5
374a07f92c9a474d3e0805f901ce2756

SHA1
2f1f0345e7942f446f786c16b85f4018520d4d59

SHA256
3161e408b619aebc9b46041c5ca8d3cf98d8d3c24ef633623a0ff1d898d8960c

SHA512
f7d6b55818bc4d4a03e4eef2512da2d595b692794fb23694409258023a8ded80418ac2f0753394dc64cbdec2b08515bfc913ed2cafc4946c8eb0d29fd5e3bb33

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpEC71.tmp.exe

Filesize
78KB

MD5
19dff6932eb5b085d311b4648fe48f71

SHA1
39d61bbce69e78187ee0108851ef9c2d5e1693cf

SHA256
8829bfa0749f40d2174ee48db4e6428f1456122d0b4256671d3a815bc85a1aec

SHA512
02961736c2fb070e90e146c1e295ad5219d05a7e2189654734c757d2bfc4598de4047cd48d65de1691a93ab7a398febfeae97ce2642ae38722dde974c1b95fe9

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcEF7D.tmp

Filesize
660B

MD5
d2d13825569ed96179f528759ac5c564

SHA1
8c5e66a8d6cc0142ce0f405d7afd5d31bd13f663

SHA256
b7bd10afd13661a0043a3cbbe6d91624d9bce6f1e29d16cd8f2878a9f3cb1baf

SHA512
55c4689a8d390d091e9145aefc282dc7aa4117aa1ea61868152d3a50eeb56a4f85d55961e04ceb3a33ed3bb8da38f93d814c52471a475e929ed32c905c88b2f8

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

Filesize
62KB

MD5
4f0e8cf79edb6cd381474b21cabfdf4a

SHA1
7018c96b4c5dab7957d4bcdc82c1e7bb3a4f80c4

SHA256
e54a257fa391065c120f55841de8c11116ea0e601d90fe1a35dcd340c5dd9cd5

SHA512
2451a59d09464e30d0df822d9322dbecb83faa92c5a5b71b7b9db62330c40cc7570d66235f137290074a3c4a9f3d8b3447067ed135f1bb60ea9e18d0df39a107

Download Submit
memory/2320-8-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/2320-18-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/2328-0-0x0000000074AB1000-0x0000000074AB2000-memory.dmp

Filesize
4KB

Download
memory/2328-1-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/2328-2-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/2328-24-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads