metamorpherrat | a1d457d172edfc07dcdb6823544b20148ddbd4e34b287915f7771041a89219b4

General

Target

a1d457d172edfc07dcdb6823544b20148ddbd4e34b287915f7771041a89219b4N.exe
Size

78KB
MD5

d55f100cfb933229802926d5e142a700
SHA1

b58f25f840f8a95793df1ae0ca3fe1757eeb6116
SHA256

a1d457d172edfc07dcdb6823544b20148ddbd4e34b287915f7771041a89219b4
SHA512

ee2ef6aeefbceea0c98ff4fee92ffe45bdd7a7a96cdcea93bd187a90742025c9b87002a73c626e76f5077527a889dbfcf142e6bda3e028b7c1b63a390772fb85
SSDEEP

1536:n858RpJywt04wbje3IgTazcoOEEQLwdCRoaeuProYMHQtt6V9/cM1KR:858nJywQjDgTLopLwdCFJzi9/m

Score

10^/10

metamorpherrat discovery 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
2760	tmpF3B2.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2756	a1d457d172edfc07dcdb6823544b20148ddbd4e34b287915f7771041a89219b4N.exe
2756	a1d457d172edfc07dcdb6823544b20148ddbd4e34b287915f7771041a89219b4N.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059
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	a1d457d172edfc07dcdb6823544b20148ddbd4e34b287915f7771041a89219b4N.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	tmpF3B2.tmp.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2756	a1d457d172edfc07dcdb6823544b20148ddbd4e34b287915f7771041a89219b4N.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2764	2756	a1d457d172edfc07dcdb6823544b20148ddbd4e34b287915f7771041a89219b4N.exe	30
PID 2756 wrote to memory of 2764	2756	a1d457d172edfc07dcdb6823544b20148ddbd4e34b287915f7771041a89219b4N.exe	30
PID 2756 wrote to memory of 2764	2756	a1d457d172edfc07dcdb6823544b20148ddbd4e34b287915f7771041a89219b4N.exe	30
PID 2756 wrote to memory of 2764	2756	a1d457d172edfc07dcdb6823544b20148ddbd4e34b287915f7771041a89219b4N.exe	30
PID 2764 wrote to memory of 2716	2764	vbc.exe	32
PID 2764 wrote to memory of 2716	2764	vbc.exe	32
PID 2764 wrote to memory of 2716	2764	vbc.exe	32
PID 2764 wrote to memory of 2716	2764	vbc.exe	32
PID 2756 wrote to memory of 2760	2756	a1d457d172edfc07dcdb6823544b20148ddbd4e34b287915f7771041a89219b4N.exe	33
PID 2756 wrote to memory of 2760	2756	a1d457d172edfc07dcdb6823544b20148ddbd4e34b287915f7771041a89219b4N.exe	33
PID 2756 wrote to memory of 2760	2756	a1d457d172edfc07dcdb6823544b20148ddbd4e34b287915f7771041a89219b4N.exe	33
PID 2756 wrote to memory of 2760	2756	a1d457d172edfc07dcdb6823544b20148ddbd4e34b287915f7771041a89219b4N.exe	33

C:\Users\Admin\AppData\Local\Temp\a1d457d172edfc07dcdb6823544b20148ddbd4e34b287915f7771041a89219b4N.exe
"C:\Users\Admin\AppData\Local\Temp\a1d457d172edfc07dcdb6823544b20148ddbd4e34b287915f7771041a89219b4N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2756
- 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\aeom3j9q.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2764
- - 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\RESF49D.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcF49C.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2716
- C:\Users\Admin\AppData\Local\Temp\tmpF3B2.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpF3B2.tmp.exe" C:\Users\Admin\AppData\Local\Temp\a1d457d172edfc07dcdb6823544b20148ddbd4e34b287915f7771041a89219b4N.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Privilege Escalation

Defense Evasion

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\RESF49D.tmp

Filesize
1KB

MD5
17811b3c28036abe842287e03c60925a

SHA1
81569eb0f5937a9bcfbaeaed05416768fc9b99d5

SHA256
08a3c6904f84d19c6186753f09e8b8c988d2425955053e73baac803e275ca213

SHA512
45a72c5e02a4cfa587ea284527f1354a756f1c8a0d482ddc00d8f69d5098cf1ee861138e8abab74b695ec4ebce7cd9eaa0319d8eacbe694738a982822b0d04e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\aeom3j9q.0.vb

Filesize
14KB

MD5
56e0d1af10a0336dafed1dac221ac8eb

SHA1
f28bbcda52a293429923835c8162a032dd01ead1

SHA256
36547201a74b0feb2925cf31532412adf6014a7862027539b4ddc30fbadbc59e

SHA512
d4005415b0bdf8879cb66dd90de68cb9b548960a7b9dcf47b0d80727e0bc6fd9981456a18bf374946bd16f4270cba43d21eca04fddc7bd763fbbc7cc1bcde93f

Download Submit
C:\Users\Admin\AppData\Local\Temp\aeom3j9q.cmdline

Filesize
266B

MD5
5f547d9948560e9c64ce33afe2adc457

SHA1
fec3d73c4eafe1c68caf38ca321733caf5408e08

SHA256
61411fbee526b3a65b44134165f3542ec444d119d7d67b4df0836d562b2a1b2a

SHA512
d40e7b45a13c8458e29c9d9aff1af6e2a435e14b9fbcfaf54d810544eb6e84eec30d1f636a85fc9abe07bf2b451f3ca173785be37579029d720f9852d43c9c6b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF3B2.tmp.exe

Filesize
78KB

MD5
d9621f63d1f9fd6ebff8132f6b40f5c7

SHA1
07e1ba6ff586b8faee9188b90c61e0df27d4347f

SHA256
e85fef6ce0b3c11835c3685e3ab6d59eb1d459e4bdcbb44c5570c1eda14bda2d

SHA512
f88708b373a7e20d3dd887f7b51b593ebc8ead5a2c6e8bcc620d13be29c684c09dfe0fe649d7e989ae4fb77d27a40ecb3709c89083f850ca4ef5f149b6da55c1

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcF49C.tmp

Filesize
660B

MD5
9235a8ca39d7d82370b69009c96e7596

SHA1
be3cc3a0611783ad47ec86c49e8b2c0c6b4697d6

SHA256
183b8ba4b34dab8529f10b65b6dbdb465bf51b9abd9bea940041b0204cd8c5d7

SHA512
3db28773d24afdabf919807d0525cb1d6c1bdc9d6114b1294f8e931fbc8e54bf244991bd464e7fb601b64f00fc5da00aabced768bececa7c9509907136862818

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

Filesize
62KB

MD5
484967ab9def8ff17dd55476ca137721

SHA1
a84012f673fe1ac9041e7827cc3de4b20a1194e2

SHA256
9c0a54047f133cf4e3e4444aa57cc576c566218217ea02ad7c04a408ad01791b

SHA512
1e9a0cc800543dada73e551ee714001c4d6c57a595ea2986a4dd8889d1dffd1557735580c694e5feb0b7c27c1a4b3e71a95fab8baf80839f42f80e2109cbe2d7

Download Submit
memory/2756-0-0x0000000074701000-0x0000000074702000-memory.dmp

Filesize
4KB

Download
memory/2756-1-0x0000000074700000-0x0000000074CAB000-memory.dmp

Filesize
5.7MB

Download
memory/2756-2-0x0000000074700000-0x0000000074CAB000-memory.dmp

Filesize
5.7MB

Download
memory/2756-24-0x0000000074700000-0x0000000074CAB000-memory.dmp

Filesize
5.7MB

Download
memory/2764-8-0x0000000074700000-0x0000000074CAB000-memory.dmp

Filesize
5.7MB

Download
memory/2764-18-0x0000000074700000-0x0000000074CAB000-memory.dmp

Filesize
5.7MB

Download

Analysis

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