metamorpherrat | 9cf39e03b4a33f2d5f152ea5b8ba879a6da45bdac23dba1d71d50e7311317c9b

General

Target

9cf39e03b4a33f2d5f152ea5b8ba879a6da45bdac23dba1d71d50e7311317c9b.exe
Size

78KB
MD5

ea105cd3737f8197f4bc884f9156504d
SHA1

54999c80d5901217e4e7da28b379ff8bc656075c
SHA256

9cf39e03b4a33f2d5f152ea5b8ba879a6da45bdac23dba1d71d50e7311317c9b
SHA512

be42d706ee9d3dfa812c6fbab7a09f68f9be5acaf06ea9922ffa89d1f455492ca2c407348328e2c94030448cef42a20e361b08b3b207b09ffb407eb30061d680
SSDEEP

1536:vtPWV5j4XT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQty6P9/l2MC1jTx:VPWV5jASyRxvhTzXPvCbW2U39/l2MEx

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

Executes dropped EXE 1 IoCs

pid	Process
2968	tmpCF9E.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
1268	9cf39e03b4a33f2d5f152ea5b8ba879a6da45bdac23dba1d71d50e7311317c9b.exe
1268	9cf39e03b4a33f2d5f152ea5b8ba879a6da45bdac23dba1d71d50e7311317c9b.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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmpCF9E.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	9cf39e03b4a33f2d5f152ea5b8ba879a6da45bdac23dba1d71d50e7311317c9b.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	tmpCF9E.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1268	9cf39e03b4a33f2d5f152ea5b8ba879a6da45bdac23dba1d71d50e7311317c9b.exe
Token: SeDebugPrivilege	2968	tmpCF9E.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1268 wrote to memory of 400	1268	9cf39e03b4a33f2d5f152ea5b8ba879a6da45bdac23dba1d71d50e7311317c9b.exe	31
PID 1268 wrote to memory of 400	1268	9cf39e03b4a33f2d5f152ea5b8ba879a6da45bdac23dba1d71d50e7311317c9b.exe	31
PID 1268 wrote to memory of 400	1268	9cf39e03b4a33f2d5f152ea5b8ba879a6da45bdac23dba1d71d50e7311317c9b.exe	31
PID 1268 wrote to memory of 400	1268	9cf39e03b4a33f2d5f152ea5b8ba879a6da45bdac23dba1d71d50e7311317c9b.exe	31
PID 400 wrote to memory of 2612	400	vbc.exe	33
PID 400 wrote to memory of 2612	400	vbc.exe	33
PID 400 wrote to memory of 2612	400	vbc.exe	33
PID 400 wrote to memory of 2612	400	vbc.exe	33
PID 1268 wrote to memory of 2968	1268	9cf39e03b4a33f2d5f152ea5b8ba879a6da45bdac23dba1d71d50e7311317c9b.exe	34
PID 1268 wrote to memory of 2968	1268	9cf39e03b4a33f2d5f152ea5b8ba879a6da45bdac23dba1d71d50e7311317c9b.exe	34
PID 1268 wrote to memory of 2968	1268	9cf39e03b4a33f2d5f152ea5b8ba879a6da45bdac23dba1d71d50e7311317c9b.exe	34
PID 1268 wrote to memory of 2968	1268	9cf39e03b4a33f2d5f152ea5b8ba879a6da45bdac23dba1d71d50e7311317c9b.exe	34

C:\Users\Admin\AppData\Local\Temp\9cf39e03b4a33f2d5f152ea5b8ba879a6da45bdac23dba1d71d50e7311317c9b.exe
"C:\Users\Admin\AppData\Local\Temp\9cf39e03b4a33f2d5f152ea5b8ba879a6da45bdac23dba1d71d50e7311317c9b.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1268
- 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\8tnm2zq_.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:400
- - 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\RESD0B8.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcD0B7.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2612
- C:\Users\Admin\AppData\Local\Temp\tmpCF9E.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpCF9E.tmp.exe" C:\Users\Admin\AppData\Local\Temp\9cf39e03b4a33f2d5f152ea5b8ba879a6da45bdac23dba1d71d50e7311317c9b.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2968

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\8tnm2zq_.0.vb

Filesize
14KB

MD5
07a478c6c1ec53e01885b0c60a55d8a0

SHA1
39044c686bdc11f81d78c545fe95a42b62b33964

SHA256
061a68e196e1540b4d6774336636e6a2b2bdcb5e48d62e4b674ca326b02c75f0

SHA512
715c08f4b73410e70fc9e0164115c742eb7a6d0571f2da3a7be26a5cbc7eb7a2e31059391ffa9ebfd404172459d3e81690fec778f6abe069b8caa1b78c69c545

Download Submit
C:\Users\Admin\AppData\Local\Temp\8tnm2zq_.cmdline

Filesize
266B

MD5
c9c56ea95ea0e266742f283126395f60

SHA1
1cbdc730c7cf912d71adcc15143715819f44d843

SHA256
d8b3a24e710a9de929dd8e813bc107d418f0b3a53843417e240d9c160a3b2f7f

SHA512
bb089f80fda3a437154173920449ebbc9e99993c885364c8f263e95ee6b47518a7d5959c2ce5bafa15ca81eaf2c7ad48784b196ddbf7e79bbe4725fad2094221

Download Submit
C:\Users\Admin\AppData\Local\Temp\RESD0B8.tmp

Filesize
1KB

MD5
61ea6b9d6c585278c25b78893c39a211

SHA1
e5731a920ebf5a155c254a0d23c08483fcf150c6

SHA256
618226a6aff7458a9f6bce3d09e4796cc03f7d3fd038a134094bf013d46ff2b3

SHA512
e1f29815d0f1352a3c047e57ae2ccec05b50613bc302c949b4ee40f30cb3355ec67ab8b29993afbec0b17f87de84ddac10b75de149a6b2b59da704f59f9768b7

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCF9E.tmp.exe

Filesize
78KB

MD5
cf91166b00f5248f851145ae60cbbee2

SHA1
0245b4fe115d298c787d4646c4f6d8e5b96c3cd6

SHA256
21dcd082ac80354f568ff81952b5240765ac8795c16ca954549bce26452a29b6

SHA512
66063416b5113a8268fef47445605213a465c71e8ba4f2246be9b89bb39868f3f05b548a2c64ca80fc2a98dce09c2f05faae12a6dd0d56f7ebc5c6bf7c3c9a29

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcD0B7.tmp

Filesize
660B

MD5
6acd4e7caa436f8be54ed65821359375

SHA1
7190d0d264b3dd6e939709ec48eb25cd8c0c2488

SHA256
f6b5fa9721c830c8bf6493a12f6eab69b795503d17287ecec36279baaeefa935

SHA512
702abc05b6569cbfc10610b97a9ab7024afc518032b0f3298be2ac29d8722290235dfad8dd2a5f0852c77f75739ec5e8fc04529c5aa031e6b968f6fa42e97bdd

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/400-8-0x0000000074C40000-0x00000000751EB000-memory.dmp

Filesize
5.7MB

Download
memory/400-18-0x0000000074C40000-0x00000000751EB000-memory.dmp

Filesize
5.7MB

Download
memory/1268-0-0x0000000074C41000-0x0000000074C42000-memory.dmp

Filesize
4KB

Download
memory/1268-1-0x0000000074C40000-0x00000000751EB000-memory.dmp

Filesize
5.7MB

Download
memory/1268-2-0x0000000074C40000-0x00000000751EB000-memory.dmp

Filesize
5.7MB

Download
memory/1268-24-0x0000000074C40000-0x00000000751EB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads