metamorpherrat | 7c3b9ce918f610976ece79b564e466439460fef048377f61a7f05ee01a222c68

General

Target

7c3b9ce918f610976ece79b564e466439460fef048377f61a7f05ee01a222c68N.exe
Size

78KB
MD5

cdcc0368f411a26e351da32b6644eb60
SHA1

f83a4cba049150b0a956b159ade0eaec7e7f2647
SHA256

7c3b9ce918f610976ece79b564e466439460fef048377f61a7f05ee01a222c68
SHA512

f2d0237caaef8cfb4c2a6c167de52445e3ada405dcfb5ec59395e7f1974fe2350523e45ee6be0aedd256973aba46655230b6eea7aa3221a189961241673e522e
SSDEEP

1536:558wXT0XRhyRjVf3znOJTv3lcUK/+dWzCP7oYTcSQtC6B9/W3S1Em:558oSyRxvY3md+dWWZyZ9/Mg

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
Metamorpherrat family
metamorpherrat

Deletes itself 1 IoCs

pid	Process
2912	tmp9A8B.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
2912	tmp9A8B.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2432	7c3b9ce918f610976ece79b564e466439460fef048377f61a7f05ee01a222c68N.exe
2432	7c3b9ce918f610976ece79b564e466439460fef048377f61a7f05ee01a222c68N.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\ShFusRes = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\big5.exe\""	tmp9A8B.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	tmp9A8B.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7c3b9ce918f610976ece79b564e466439460fef048377f61a7f05ee01a222c68N.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	2432	7c3b9ce918f610976ece79b564e466439460fef048377f61a7f05ee01a222c68N.exe
Token: SeDebugPrivilege	2912	tmp9A8B.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 2176	2432	7c3b9ce918f610976ece79b564e466439460fef048377f61a7f05ee01a222c68N.exe	28
PID 2432 wrote to memory of 2176	2432	7c3b9ce918f610976ece79b564e466439460fef048377f61a7f05ee01a222c68N.exe	28
PID 2432 wrote to memory of 2176	2432	7c3b9ce918f610976ece79b564e466439460fef048377f61a7f05ee01a222c68N.exe	28
PID 2432 wrote to memory of 2176	2432	7c3b9ce918f610976ece79b564e466439460fef048377f61a7f05ee01a222c68N.exe	28
PID 2176 wrote to memory of 1652	2176	vbc.exe	30
PID 2176 wrote to memory of 1652	2176	vbc.exe	30
PID 2176 wrote to memory of 1652	2176	vbc.exe	30
PID 2176 wrote to memory of 1652	2176	vbc.exe	30
PID 2432 wrote to memory of 2912	2432	7c3b9ce918f610976ece79b564e466439460fef048377f61a7f05ee01a222c68N.exe	31
PID 2432 wrote to memory of 2912	2432	7c3b9ce918f610976ece79b564e466439460fef048377f61a7f05ee01a222c68N.exe	31
PID 2432 wrote to memory of 2912	2432	7c3b9ce918f610976ece79b564e466439460fef048377f61a7f05ee01a222c68N.exe	31
PID 2432 wrote to memory of 2912	2432	7c3b9ce918f610976ece79b564e466439460fef048377f61a7f05ee01a222c68N.exe	31

C:\Users\Admin\AppData\Local\Temp\7c3b9ce918f610976ece79b564e466439460fef048377f61a7f05ee01a222c68N.exe
"C:\Users\Admin\AppData\Local\Temp\7c3b9ce918f610976ece79b564e466439460fef048377f61a7f05ee01a222c68N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2432
- 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\kcakku7g.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2176
- - 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\RES9D78.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc9D77.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1652
- C:\Users\Admin\AppData\Local\Temp\tmp9A8B.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp9A8B.tmp.exe" C:\Users\Admin\AppData\Local\Temp\7c3b9ce918f610976ece79b564e466439460fef048377f61a7f05ee01a222c68N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2912

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\RES9D78.tmp

Filesize
1KB

MD5
cf82df8bccac3ae682c0232ff1e6f2e2

SHA1
750eff9d3ad185f6a55abbdd45e971334cfd74e3

SHA256
21c3ce324813430483a070765c4955a7338156735ca8cbd3e8688b971ff6d5c4

SHA512
c24615055ed2340cc1e816ae5da4e769361e6733f97d5c4e277f7dcfbebdfe400adc10f9abdcd5aacfe385b5b37756d85c67ba9a050c38464a92c943a946f203

Download Submit
C:\Users\Admin\AppData\Local\Temp\kcakku7g.0.vb

Filesize
14KB

MD5
97e944e39c4ddc793241db4f02636de4

SHA1
9deec18d0c1920bcbca163cd21484b74e6f1ca02

SHA256
3a387dea7269a56a47e41eab06a101e1c1e812957b4291e603e179fed524188c

SHA512
e036fea119442a687bcd669e5dd2f51b495120f9c80ecb9a03687869264545884552b5a03ea2a821f2ed0f3d19a9ddf6b64ef7098ff0b5e3df2c8cc4daf9ddf5

Download Submit
C:\Users\Admin\AppData\Local\Temp\kcakku7g.cmdline

Filesize
266B

MD5
c6eeae1641f017a58b5fbb8b96632790

SHA1
615330a38df7493af001b13352db60d58da68ee0

SHA256
9db982bc0166b3d05fc10035a42a30199cced32fdf2c3534e81bfac62f4af04f

SHA512
2821fdd5d5729ca550d5b6de29faf4f101a99991df99d120f36e181e0cbcbb8cbd609dbc549e15e1ba79ec03f012e4dc39e7b96527c66b7f669bda3ac0907066

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9A8B.tmp.exe

Filesize
78KB

MD5
fbdd9704554debe282b3db6f8cd91329

SHA1
be0255e266d6adf6e7e95be121d41a2c42b7c92d

SHA256
43950c0b1868700bde02617394c436e0812c8f84496f30779b89f04daf001dc7

SHA512
45c5ce7bb9089b969f96b25e6eef6b82075d7168065547f3d5f1a2c3dfa7e82f94ecb5e059b38e133499e18ac4bfab62832adf633ad8ee07c1af2e2d1357e9a0

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc9D77.tmp

Filesize
660B

MD5
5c82a67e45301fa3f47ae41f8102c3e7

SHA1
6dc0604b5585e632ed43529f9423ea5c7c820262

SHA256
0face8cb9e178b71a35363a46c93980a0011455b6321b6b7d5aaed22f04154ad

SHA512
79102a9c1448c90d22d5b47e4e46a0b9dacf7e5f1929fee4202ebb41a414d45c11929b82d5bd0199782f9f066cd94dae57261ccdc5b5ac87bf751ca7996e5953

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

Filesize
62KB

MD5
4f0e8cf79edb6cd381474b21cabfdf4a

SHA1
7018c96b4c5dab7957d4bcdc82c1e7bb3a4f80c4

SHA256
e54a257fa391065c120f55841de8c11116ea0e601d90fe1a35dcd340c5dd9cd5

SHA512
2451a59d09464e30d0df822d9322dbecb83faa92c5a5b71b7b9db62330c40cc7570d66235f137290074a3c4a9f3d8b3447067ed135f1bb60ea9e18d0df39a107

Download Submit
memory/2176-8-0x0000000074920000-0x0000000074ECB000-memory.dmp

Filesize
5.7MB

Download
memory/2176-18-0x0000000074920000-0x0000000074ECB000-memory.dmp

Filesize
5.7MB

Download
memory/2432-0-0x0000000074921000-0x0000000074922000-memory.dmp

Filesize
4KB

Download
memory/2432-1-0x0000000074920000-0x0000000074ECB000-memory.dmp

Filesize
5.7MB

Download
memory/2432-6-0x0000000074920000-0x0000000074ECB000-memory.dmp

Filesize
5.7MB

Download
memory/2432-23-0x0000000074920000-0x0000000074ECB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads