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

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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	efbb9246c8d0e636b6e96bb2d78f1410N.exe

Executes dropped EXE 1 IoCs

pid	Process
1436	tmp97AC.tmp.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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ShFusRes = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\big5.exe\""	tmp97AC.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	efbb9246c8d0e636b6e96bb2d78f1410N.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	tmp97AC.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3260	efbb9246c8d0e636b6e96bb2d78f1410N.exe
Token: SeDebugPrivilege	1436	tmp97AC.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3260 wrote to memory of 1176	3260	efbb9246c8d0e636b6e96bb2d78f1410N.exe	82
PID 3260 wrote to memory of 1176	3260	efbb9246c8d0e636b6e96bb2d78f1410N.exe	82
PID 3260 wrote to memory of 1176	3260	efbb9246c8d0e636b6e96bb2d78f1410N.exe	82
PID 1176 wrote to memory of 4504	1176	vbc.exe	85
PID 1176 wrote to memory of 4504	1176	vbc.exe	85
PID 1176 wrote to memory of 4504	1176	vbc.exe	85
PID 3260 wrote to memory of 1436	3260	efbb9246c8d0e636b6e96bb2d78f1410N.exe	88
PID 3260 wrote to memory of 1436	3260	efbb9246c8d0e636b6e96bb2d78f1410N.exe	88
PID 3260 wrote to memory of 1436	3260	efbb9246c8d0e636b6e96bb2d78f1410N.exe	88

C:\Users\Admin\AppData\Local\Temp\efbb9246c8d0e636b6e96bb2d78f1410N.exe
"C:\Users\Admin\AppData\Local\Temp\efbb9246c8d0e636b6e96bb2d78f1410N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3260
- 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\wzqhtzph.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1176
- - 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\RES98A6.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc4B708E0FC87E4CB5A920DCC8D641238D.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4504
- C:\Users\Admin\AppData\Local\Temp\tmp97AC.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp97AC.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:1436

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

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\RES98A6.tmp

Filesize
1KB

MD5
e62d9d3d9983e3e63166a6bae1f54852

SHA1
484fc08a25bb4db0b9a8e857dcf85f61c28fed13

SHA256
42cb1f1b9ace0e915bbab45f74ebc7a47047575e956ee3310fcf1a8fec20d71c

SHA512
a7fc2dd21e349b515fc88fe18edc6d62a787a77fd5d5a65b2447ca64d05809a7a4eccd20bc40f3fbdefaf23b1c3907c684ef50e41f97dbc07ddae3137af83784

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp97AC.tmp.exe

Filesize
78KB

MD5
cb82fc5e2fd179502d117b068332a3a8

SHA1
4c3b22f0d976ccad0818270d0c7728d3e112dc8b

SHA256
c784c3c81847ec76d213665fefe292542b4e1c267635eafd2c7c040423ef2af5

SHA512
638614688581fb61466a78d60dedac7219cf76126c2e18d72fe73155639acafef99f2a1d93b3320b35f4500c1368d186a032bb213fb77672dfc0d3dc2468c792

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc4B708E0FC87E4CB5A920DCC8D641238D.TMP

Filesize
660B

MD5
efec14fa0c86aa155f5531e904fd5454

SHA1
a07d9d0f827f339432a1d16b369b2db658fff805

SHA256
40785d77c4cd3bde317cc5662484674c085ebc8ea6b7e5f92659bcda5a101789

SHA512
3e2fe0d99c83522c157c6a65306b071aaf6cdbd774aa3685dd9af75377cdc64f9eacb8ab523d4038a0e26a8f893ae0c7b6d1eaefba4670ca7814b66c4bf6d0d9

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

Filesize
15KB

MD5
5366eff170b807ce3415c8fed4b981e6

SHA1
c1a4fe03ddeb202a5d446f997d62cf9c6e4652ad

SHA256
a7a01607dd6ea059a702122cdcdb3196bed6b00f301f49be3efcf9b2195f9fff

SHA512
07e7a02a835dc1431e540bd94dab102630e3d893386b01989575b9bcad8115e43ffc436cac68c8e9daad19fe8967fa98276a3c1aa37f3a98bde1655d59379bb8

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

Filesize
266B

MD5
193043c0435d7e98af4d39868680a195

SHA1
b22579ee47418095d9543737c24865ed709937c8

SHA256
50411edaca94546dcbd1a05f4aa164b243c62a6fab0198429ec8deb5d77a91d0

SHA512
0751c5f424feba31016be6dfd423bee6a7bddea1ee0984da64ec223da8751e5343a450cdc93dc5bce1161b9079a453f857e38bf9d502dfef2840f42bcb5f9fbd

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

Filesize
62KB

MD5
4f0e8cf79edb6cd381474b21cabfdf4a

SHA1
7018c96b4c5dab7957d4bcdc82c1e7bb3a4f80c4

SHA256
e54a257fa391065c120f55841de8c11116ea0e601d90fe1a35dcd340c5dd9cd5

SHA512
2451a59d09464e30d0df822d9322dbecb83faa92c5a5b71b7b9db62330c40cc7570d66235f137290074a3c4a9f3d8b3447067ed135f1bb60ea9e18d0df39a107

Download Submit
memory/1176-18-0x00000000753C0000-0x0000000075971000-memory.dmp

Filesize
5.7MB

Download
memory/1176-9-0x00000000753C0000-0x0000000075971000-memory.dmp

Filesize
5.7MB

Download
memory/1436-23-0x00000000753C0000-0x0000000075971000-memory.dmp

Filesize
5.7MB

Download
memory/1436-24-0x00000000753C0000-0x0000000075971000-memory.dmp

Filesize
5.7MB

Download
memory/1436-26-0x00000000753C0000-0x0000000075971000-memory.dmp

Filesize
5.7MB

Download
memory/1436-27-0x00000000753C0000-0x0000000075971000-memory.dmp

Filesize
5.7MB

Download
memory/1436-28-0x00000000753C0000-0x0000000075971000-memory.dmp

Filesize
5.7MB

Download
memory/1436-29-0x00000000753C0000-0x0000000075971000-memory.dmp

Filesize
5.7MB

Download
memory/1436-30-0x00000000753C0000-0x0000000075971000-memory.dmp

Filesize
5.7MB

Download
memory/3260-2-0x00000000753C0000-0x0000000075971000-memory.dmp

Filesize
5.7MB

Download
memory/3260-1-0x00000000753C0000-0x0000000075971000-memory.dmp

Filesize
5.7MB

Download
memory/3260-0-0x00000000753C2000-0x00000000753C3000-memory.dmp

Filesize
4KB

Download
memory/3260-22-0x00000000753C0000-0x0000000075971000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads