metamorpherrat | 091fb76596ddbb676cb06568ca3c5a750ef225f514fd592f095e0530d709b1b2

General

Target

efbb9246c8d0e636b6e96bb2d78f1410N.exe
Size

78KB
MD5

efbb9246c8d0e636b6e96bb2d78f1410
SHA1

788239aaa92f7575a5545eaac68eebc35da86234
SHA256

091fb76596ddbb676cb06568ca3c5a750ef225f514fd592f095e0530d709b1b2
SHA512

85e5910a9d2596bd91d2a083b0a61686c737a9152ca667b5cb57702566629b73411c9440c3a80cb122922f25ce7e59d4e4685fa617c1ed8e6ecf00fa93dc6ec0
SSDEEP

1536:TRCHFo6M3xXT0XRhyRjVf3znOJTv3lcUK/+dWzCP7oYTcSQtwt9/Oi1/B:TRCHFon3xSyRxvY3md+dWWZywt9/X

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
2980	tmp94EF.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
1288	efbb9246c8d0e636b6e96bb2d78f1410N.exe
1288	efbb9246c8d0e636b6e96bb2d78f1410N.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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\ShFusRes = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\big5.exe\""	tmp94EF.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	tmp94EF.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	efbb9246c8d0e636b6e96bb2d78f1410N.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1288	efbb9246c8d0e636b6e96bb2d78f1410N.exe
Token: SeDebugPrivilege	2980	tmp94EF.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1288 wrote to memory of 2136	1288	efbb9246c8d0e636b6e96bb2d78f1410N.exe	28
PID 1288 wrote to memory of 2136	1288	efbb9246c8d0e636b6e96bb2d78f1410N.exe	28
PID 1288 wrote to memory of 2136	1288	efbb9246c8d0e636b6e96bb2d78f1410N.exe	28
PID 1288 wrote to memory of 2136	1288	efbb9246c8d0e636b6e96bb2d78f1410N.exe	28
PID 2136 wrote to memory of 1228	2136	vbc.exe	30
PID 2136 wrote to memory of 1228	2136	vbc.exe	30
PID 2136 wrote to memory of 1228	2136	vbc.exe	30
PID 2136 wrote to memory of 1228	2136	vbc.exe	30
PID 1288 wrote to memory of 2980	1288	efbb9246c8d0e636b6e96bb2d78f1410N.exe	31
PID 1288 wrote to memory of 2980	1288	efbb9246c8d0e636b6e96bb2d78f1410N.exe	31
PID 1288 wrote to memory of 2980	1288	efbb9246c8d0e636b6e96bb2d78f1410N.exe	31
PID 1288 wrote to memory of 2980	1288	efbb9246c8d0e636b6e96bb2d78f1410N.exe	31

C:\Users\Admin\AppData\Local\Temp\efbb9246c8d0e636b6e96bb2d78f1410N.exe
"C:\Users\Admin\AppData\Local\Temp\efbb9246c8d0e636b6e96bb2d78f1410N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1288
- 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\cgnbrvds.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2136
- - 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:1228
- C:\Users\Admin\AppData\Local\Temp\tmp94EF.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp94EF.tmp.exe" C:\Users\Admin\AppData\Local\Temp\efbb9246c8d0e636b6e96bb2d78f1410N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2980

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
a78144b7cc9b6cac4177eeeed5718bed

SHA1
11124076f531b3637e02d32c0c6bac1af9d3092f

SHA256
ba14b8bb72c1dfad604bfa4dbdbcd2e9efa7053c2334b87489b62849728518f4

SHA512
bbac042586364343d00a52a87f601be726ee4dd4c5166e5fda3f3491b1b216316cea7c7f92eaac57a461ef2cee0f4dc2766d2ded661343a70dbe8ff6036ea35b

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

Filesize
15KB

MD5
3e4f45e6d370b1c324c0d8f74f6ee646

SHA1
5fcc485006c0d32ae5fd0f13738f5b80b0872977

SHA256
23f6c226893c2b4394b7638192540c08363b5eeb509a6eae3d10f1f5c5e84b8e

SHA512
0bd647f0438b9b8c4888bf9511abfa768559642bfadbc4a5cb967d71649035d6d9afd40cbbfbca53581145d88be3e104310de07fcf4a75ac165a566936681837

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

Filesize
266B

MD5
610c17a16219cb09c80823d4481b3128

SHA1
8576aac84bcd454a46fa4fd576cbeae059ff1095

SHA256
d901ace32f1eb4d7d5df85f7ee2e7d9e12cdba9a1a822cbc37917ef16f30969e

SHA512
ee542f624ecc23728269cf7faaea93915423ba1462b80b4b587fc47cc022c514636591074d5f31074c76b0a95af6cf439324e882bbc4ec02eb326c2e7a30452f

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp94EF.tmp.exe

Filesize
78KB

MD5
c14767ac91da8322ea7431448f5cf1f6

SHA1
aba5a3b2987bd08c7bde37544e952232003f576e

SHA256
d5e1a113385a393e514517f275dc7ecbda60e74232799561e670f25d7846e748

SHA512
34ed4970afa7956d17876b1f04e1469b9e172577ad164b61d2967ae0a2231bbeaff7caf3947016edfbd7056f4423321099cff709874368f707735d6f793c5790

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

Filesize
660B

MD5
1927d9cad80c4b50bc779c839221dea2

SHA1
954d0867fc94d2a5d30dcbd02b69829e30ffef5e

SHA256
b68a07a3d3841cf740fb4389b83060a9eeb4cd5ccd7b7320b0a3ab6a20bea642

SHA512
55bb43706914f91da375350f013b4124a39ea24a016aaa8e112941b8c091d6174bedbe905fbe29e32e6720dc91efb6fcc32af439fee4e495bf31e13c6a64a0ed

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

Filesize
62KB

MD5
4f0e8cf79edb6cd381474b21cabfdf4a

SHA1
7018c96b4c5dab7957d4bcdc82c1e7bb3a4f80c4

SHA256
e54a257fa391065c120f55841de8c11116ea0e601d90fe1a35dcd340c5dd9cd5

SHA512
2451a59d09464e30d0df822d9322dbecb83faa92c5a5b71b7b9db62330c40cc7570d66235f137290074a3c4a9f3d8b3447067ed135f1bb60ea9e18d0df39a107

Download Submit
memory/1288-0-0x00000000740B1000-0x00000000740B2000-memory.dmp

Filesize
4KB

Download
memory/1288-1-0x00000000740B0000-0x000000007465B000-memory.dmp

Filesize
5.7MB

Download
memory/1288-5-0x00000000740B0000-0x000000007465B000-memory.dmp

Filesize
5.7MB

Download
memory/1288-24-0x00000000740B0000-0x000000007465B000-memory.dmp

Filesize
5.7MB

Download
memory/2136-8-0x00000000740B0000-0x000000007465B000-memory.dmp

Filesize
5.7MB

Download
memory/2136-18-0x00000000740B0000-0x000000007465B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads