metamorpherrat | b85e91b3a492835c273e25895c8c48c47bc24f1dba9b1411e2594399c7cf4b33

General

Target

b85e91b3a492835c273e25895c8c48c47bc24f1dba9b1411e2594399c7cf4b33.exe
Size

78KB
MD5

68b4be56a75b7dbe03689e1d48437556
SHA1

bbdd8822dbe1a62ccbe921e4f313250a10234dbd
SHA256

b85e91b3a492835c273e25895c8c48c47bc24f1dba9b1411e2594399c7cf4b33
SHA512

bcd9533ee699171b63d3198771a8087c58f86561287bab4576bc57e75f7e64c3a094b563242a6fedeb2e10b73b5caf55bb4ad1b413de4c6463622d90d2141e41
SSDEEP

1536:8CHY6M3xXT0XRhyRjVf3znOJTv3lcUK/+dWzCP7oYTcSQte39/n14qG:8CHYn3xSyRxvY3md+dWWZye39/FG

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

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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	b85e91b3a492835c273e25895c8c48c47bc24f1dba9b1411e2594399c7cf4b33.exe

Deletes itself 1 IoCs

pid	Process
2768	tmp9923.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
2768	tmp9923.tmp.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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ShFusRes = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\big5.exe\""	tmp9923.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	b85e91b3a492835c273e25895c8c48c47bc24f1dba9b1411e2594399c7cf4b33.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	tmp9923.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4076	b85e91b3a492835c273e25895c8c48c47bc24f1dba9b1411e2594399c7cf4b33.exe
Token: SeDebugPrivilege	2768	tmp9923.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4076 wrote to memory of 3640	4076	b85e91b3a492835c273e25895c8c48c47bc24f1dba9b1411e2594399c7cf4b33.exe	85
PID 4076 wrote to memory of 3640	4076	b85e91b3a492835c273e25895c8c48c47bc24f1dba9b1411e2594399c7cf4b33.exe	85
PID 4076 wrote to memory of 3640	4076	b85e91b3a492835c273e25895c8c48c47bc24f1dba9b1411e2594399c7cf4b33.exe	85
PID 3640 wrote to memory of 336	3640	vbc.exe	88
PID 3640 wrote to memory of 336	3640	vbc.exe	88
PID 3640 wrote to memory of 336	3640	vbc.exe	88
PID 4076 wrote to memory of 2768	4076	b85e91b3a492835c273e25895c8c48c47bc24f1dba9b1411e2594399c7cf4b33.exe	89
PID 4076 wrote to memory of 2768	4076	b85e91b3a492835c273e25895c8c48c47bc24f1dba9b1411e2594399c7cf4b33.exe	89
PID 4076 wrote to memory of 2768	4076	b85e91b3a492835c273e25895c8c48c47bc24f1dba9b1411e2594399c7cf4b33.exe	89

C:\Users\Admin\AppData\Local\Temp\b85e91b3a492835c273e25895c8c48c47bc24f1dba9b1411e2594399c7cf4b33.exe
"C:\Users\Admin\AppData\Local\Temp\b85e91b3a492835c273e25895c8c48c47bc24f1dba9b1411e2594399c7cf4b33.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4076
- 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\0npxkpgp.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3640
- - 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\RES9A2D.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcD7D29A671B34DE09642B731676C4946.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:336
- C:\Users\Admin\AppData\Local\Temp\tmp9923.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp9923.tmp.exe" C:\Users\Admin\AppData\Local\Temp\b85e91b3a492835c273e25895c8c48c47bc24f1dba9b1411e2594399c7cf4b33.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2768

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

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\0npxkpgp.0.vb

Filesize
15KB

MD5
1e62518d58908de61d8bc11ef260cfdd

SHA1
6f27da865a4df57695fe090cee61522e6de682a1

SHA256
fe89f305971b64dc20d76751da006e3573b37bdc1218a812d680036c85bfcca0

SHA512
a641e6482b24658d449e78bf186b1152314e3648a1fc532aec4e1db6439c45d53aa27834c2ae3e563cba2128a4e72afda9ef60902749c537d38b63aacb31ddef

Download Submit
C:\Users\Admin\AppData\Local\Temp\0npxkpgp.cmdline

Filesize
266B

MD5
6814be43066976e45ae04992b7562d79

SHA1
364777c11eabae9dd0e9ed42746ed4027d9d9959

SHA256
47673ccf823bad0482d206480709db68e905afb58234cac938bf07a5f7c7c8ac

SHA512
58e6f85f74e4c4790fb4362f5a9cdfa9eda713fdec83457c88520cd45856d219ffa67e1b55faab33d85857ec6b03f6b6373643a01b25c0d36dbca031cfeef9af

Download Submit
C:\Users\Admin\AppData\Local\Temp\RES9A2D.tmp

Filesize
1KB

MD5
018be6ac1411717a14eca57c8374aef5

SHA1
42d81339e93a66d72aa54adf882fc8cd964f0c42

SHA256
e97955ccde764cb9381c619b8d8dc89ecb51a2e815fcef441fa626a32081e865

SHA512
58d39a7fd46d7e6558db6c83659e61b0468cadcdbf3a1405f82f7e69683fa9118e799a000403e6ba4e3c22cc5829dc4f3ee5f2b0900e09b902c46eba96b66d32

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9923.tmp.exe

Filesize
78KB

MD5
93fae4f141333df84a58ad24df514272

SHA1
32c9a813378a3eeeaf8eb95d2f787032a8af7ac4

SHA256
ea11a15945e3e91a7d87b3708ae03015f594996dd27324c97f59ecf6002b0490

SHA512
cbc618601eb229795e3f71c3f0b9273c46d330920e9865ca9903fc586bf8d9eea73c414f6494b62eff7b36a5283f0835acd0646f1e0e3edfdd78db909de768f8

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcD7D29A671B34DE09642B731676C4946.TMP

Filesize
660B

MD5
8776ae930de8492fc3f6fb0985274b75

SHA1
113ae8b2887fee52089e2ef2de52321637d11cff

SHA256
31c3c6df40522e265b237862a393c8e1ac77065da0b9e5ab1c9afbfb9f336c09

SHA512
70440f53fb239efde152c5d3a1cc66c85466b4fc6b684ce0c699e50de5633ac3ecc60b617fcc16dc214f91c317b4bd453a1b9d016bd9aee059b5df0b48cb242d

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

Filesize
62KB

MD5
4f0e8cf79edb6cd381474b21cabfdf4a

SHA1
7018c96b4c5dab7957d4bcdc82c1e7bb3a4f80c4

SHA256
e54a257fa391065c120f55841de8c11116ea0e601d90fe1a35dcd340c5dd9cd5

SHA512
2451a59d09464e30d0df822d9322dbecb83faa92c5a5b71b7b9db62330c40cc7570d66235f137290074a3c4a9f3d8b3447067ed135f1bb60ea9e18d0df39a107

Download Submit
memory/2768-23-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/2768-25-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/2768-26-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/2768-27-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/2768-28-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/2768-29-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/3640-9-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/3640-18-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/4076-0-0x0000000074CD2000-0x0000000074CD3000-memory.dmp

Filesize
4KB

Download
memory/4076-1-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/4076-22-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/4076-2-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads