metamorpherrat | a2359309d16be094bde84b356d09a145042e57403d6ce77f406f0dabc5a9ad26

General

Target

a2359309d16be094bde84b356d09a145042e57403d6ce77f406f0dabc5a9ad26N.exe
Size

78KB
MD5

b5e5cc450ce24bb3ebce0a58805094c0
SHA1

d4324325761bb6c36b0695ecab77118e55192ba6
SHA256

a2359309d16be094bde84b356d09a145042e57403d6ce77f406f0dabc5a9ad26
SHA512

975dadfed33aad6ea427a05df3fac95f2a2070417aa7451167fdf868a99ff2f304353919973eeb93da901b35b47d1f06d9f8eb5989d6acc0c816df07016b5fa6
SSDEEP

1536:tCHF3M3xXT0XRhyRjVf3znOJTv3lcUK/+dWzCP7oYTcSQth9/C1xg:tCHF83xSyRxvY3md+dWWZyh9/5

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
2772	tmpF670.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
3012	a2359309d16be094bde84b356d09a145042e57403d6ce77f406f0dabc5a9ad26N.exe
3012	a2359309d16be094bde84b356d09a145042e57403d6ce77f406f0dabc5a9ad26N.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\ShFusRes = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\big5.exe\""	tmpF670.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	tmpF670.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a2359309d16be094bde84b356d09a145042e57403d6ce77f406f0dabc5a9ad26N.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	3012	a2359309d16be094bde84b356d09a145042e57403d6ce77f406f0dabc5a9ad26N.exe
Token: SeDebugPrivilege	2772	tmpF670.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2796	3012	a2359309d16be094bde84b356d09a145042e57403d6ce77f406f0dabc5a9ad26N.exe	30
PID 3012 wrote to memory of 2796	3012	a2359309d16be094bde84b356d09a145042e57403d6ce77f406f0dabc5a9ad26N.exe	30
PID 3012 wrote to memory of 2796	3012	a2359309d16be094bde84b356d09a145042e57403d6ce77f406f0dabc5a9ad26N.exe	30
PID 3012 wrote to memory of 2796	3012	a2359309d16be094bde84b356d09a145042e57403d6ce77f406f0dabc5a9ad26N.exe	30
PID 2796 wrote to memory of 2652	2796	vbc.exe	32
PID 2796 wrote to memory of 2652	2796	vbc.exe	32
PID 2796 wrote to memory of 2652	2796	vbc.exe	32
PID 2796 wrote to memory of 2652	2796	vbc.exe	32
PID 3012 wrote to memory of 2772	3012	a2359309d16be094bde84b356d09a145042e57403d6ce77f406f0dabc5a9ad26N.exe	33
PID 3012 wrote to memory of 2772	3012	a2359309d16be094bde84b356d09a145042e57403d6ce77f406f0dabc5a9ad26N.exe	33
PID 3012 wrote to memory of 2772	3012	a2359309d16be094bde84b356d09a145042e57403d6ce77f406f0dabc5a9ad26N.exe	33
PID 3012 wrote to memory of 2772	3012	a2359309d16be094bde84b356d09a145042e57403d6ce77f406f0dabc5a9ad26N.exe	33

C:\Users\Admin\AppData\Local\Temp\a2359309d16be094bde84b356d09a145042e57403d6ce77f406f0dabc5a9ad26N.exe
"C:\Users\Admin\AppData\Local\Temp\a2359309d16be094bde84b356d09a145042e57403d6ce77f406f0dabc5a9ad26N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3012
- 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\fhi1t1yg.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2796
- - 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\RESF883.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcF872.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2652
- C:\Users\Admin\AppData\Local\Temp\tmpF670.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpF670.tmp.exe" C:\Users\Admin\AppData\Local\Temp\a2359309d16be094bde84b356d09a145042e57403d6ce77f406f0dabc5a9ad26N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2772

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\RESF883.tmp

Filesize
1KB

MD5
cc57bfe47734f6d71cc78cf24f477cfb

SHA1
a0389dd8083cb4dbebe5ce6be8dd59680f6816f0

SHA256
533335f53bc2f7d3f36fbdf7f92b930333e864dbaf61d201a5e886cda9920e25

SHA512
bb497da2df309fb414d93e040cf604c712be99b7444d897ccbc98ef9236697a11288cf268d3cea366038a45de66d71c9bffb39e130aaa58fc9e96cb159bad7d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\fhi1t1yg.0.vb

Filesize
15KB

MD5
81638b4135edf120605effff876e3fab

SHA1
18d8e2b646842fd8476ae54dfa522b4f6da3edc7

SHA256
e419afddb0f177c785777b7aa105d812571aee4b8bfe90b5419218f74dee6476

SHA512
75a4fc10fc9eb9aa1237a655a87774a1b11ac69492d290dfb1c5f1b4dbc1743b6a5633250a6a096a4d326045f31dcc380c62eb9fbca13df2ee949fe16a7e1a32

Download Submit
C:\Users\Admin\AppData\Local\Temp\fhi1t1yg.cmdline

Filesize
266B

MD5
2bed4b01f2fb27a45323b909e3dfdb29

SHA1
e99e5d9dc442a745ee1fe3a9ecb686344bd691e0

SHA256
2788d399987b1091730f52c6cab07a8b2852f1b44edab96534b5fdacc070e850

SHA512
8aeab6c85cdcd225928bede2438a4f61139d1498a23001d080f914fc36629fc21074c716dd883670c508f98409f0145b458433acd9bfcd53705ac8501e79ca76

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF670.tmp.exe

Filesize
78KB

MD5
d977edbe0d5453ad7f2bbe15567a7d53

SHA1
cfb3b92eaf3e75949d27368dcd1bb52840de90c3

SHA256
baa6e0a3f60ad7b479d6357641edc80c234e17144dca3c3e59815b58f5623f02

SHA512
7ecaac26d0dccae2e05c7c85f91818efdce55e3931a2d34190228a09456792222b577698ca7d868eb5bf7314bbd2aeb91f3711e678ae35aeed50906861931b48

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcF872.tmp

Filesize
660B

MD5
ff6df0dc89588d0609e81796938c36da

SHA1
a3b9de31a93e475847f51d19ae61117670efde1e

SHA256
76c8e3a4c92637949ea875854f31e328d6848f13bea129c07902f7035f4ad235

SHA512
57b389a33e53102d7f08373840310d087ad5f89f20ea1188b4447782c3375d489c946064ecbcb5b23e502d23ce7167b71970d08a11fe41b555d27ee244c09a9c

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

Filesize
62KB

MD5
4f0e8cf79edb6cd381474b21cabfdf4a

SHA1
7018c96b4c5dab7957d4bcdc82c1e7bb3a4f80c4

SHA256
e54a257fa391065c120f55841de8c11116ea0e601d90fe1a35dcd340c5dd9cd5

SHA512
2451a59d09464e30d0df822d9322dbecb83faa92c5a5b71b7b9db62330c40cc7570d66235f137290074a3c4a9f3d8b3447067ed135f1bb60ea9e18d0df39a107

Download Submit
memory/2796-8-0x0000000074030000-0x00000000745DB000-memory.dmp

Filesize
5.7MB

Download
memory/2796-18-0x0000000074030000-0x00000000745DB000-memory.dmp

Filesize
5.7MB

Download
memory/3012-0-0x0000000074031000-0x0000000074032000-memory.dmp

Filesize
4KB

Download
memory/3012-1-0x0000000074030000-0x00000000745DB000-memory.dmp

Filesize
5.7MB

Download
memory/3012-6-0x0000000074030000-0x00000000745DB000-memory.dmp

Filesize
5.7MB

Download
memory/3012-24-0x0000000074030000-0x00000000745DB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads