metamorpherrat | 3a6866c3f0249aba64ca0b28c341df77570acd7f77e6bef3394a62f9c41f9113

General

Target

3a6866c3f0249aba64ca0b28c341df77570acd7f77e6bef3394a62f9c41f9113.exe
Size

78KB
MD5

8477647e4679c817f80c33e6c46c644d
SHA1

83788c6ab2613c0177e4c8a8a05326379699ca64
SHA256

3a6866c3f0249aba64ca0b28c341df77570acd7f77e6bef3394a62f9c41f9113
SHA512

ac4ea5359f0b7328a537e4730d0bff79529a886a5baa49f9d71d44ef0b14db6ed755b4ee1f6f4c2392be20749263ef2647d9752ff59d22465cfabcbc734545ab
SSDEEP

1536:l+5jSNpJywt04wbje3IgTazcoOEEQLwdCRoaeuProYMHQti67Y9/PC1awk:I5jS7JywQjDgTLopLwdCFJzDY9/Ek

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

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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	3a6866c3f0249aba64ca0b28c341df77570acd7f77e6bef3394a62f9c41f9113.exe

Deletes itself 1 IoCs

pid	Process
1916	tmp89F0.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
1916	tmp89F0.tmp.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	3a6866c3f0249aba64ca0b28c341df77570acd7f77e6bef3394a62f9c41f9113.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	tmp89F0.tmp.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1388	3a6866c3f0249aba64ca0b28c341df77570acd7f77e6bef3394a62f9c41f9113.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1388 wrote to memory of 3196	1388	3a6866c3f0249aba64ca0b28c341df77570acd7f77e6bef3394a62f9c41f9113.exe	83
PID 1388 wrote to memory of 3196	1388	3a6866c3f0249aba64ca0b28c341df77570acd7f77e6bef3394a62f9c41f9113.exe	83
PID 1388 wrote to memory of 3196	1388	3a6866c3f0249aba64ca0b28c341df77570acd7f77e6bef3394a62f9c41f9113.exe	83
PID 3196 wrote to memory of 3080	3196	vbc.exe	85
PID 3196 wrote to memory of 3080	3196	vbc.exe	85
PID 3196 wrote to memory of 3080	3196	vbc.exe	85
PID 1388 wrote to memory of 1916	1388	3a6866c3f0249aba64ca0b28c341df77570acd7f77e6bef3394a62f9c41f9113.exe	86
PID 1388 wrote to memory of 1916	1388	3a6866c3f0249aba64ca0b28c341df77570acd7f77e6bef3394a62f9c41f9113.exe	86
PID 1388 wrote to memory of 1916	1388	3a6866c3f0249aba64ca0b28c341df77570acd7f77e6bef3394a62f9c41f9113.exe	86

C:\Users\Admin\AppData\Local\Temp\3a6866c3f0249aba64ca0b28c341df77570acd7f77e6bef3394a62f9c41f9113.exe
"C:\Users\Admin\AppData\Local\Temp\3a6866c3f0249aba64ca0b28c341df77570acd7f77e6bef3394a62f9c41f9113.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1388
- 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\nowwx97b.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3196
- - 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\RES8C52.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcB6D3F779456041C2A9BAF21BB07871BB.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3080
- C:\Users\Admin\AppData\Local\Temp\tmp89F0.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp89F0.tmp.exe" C:\Users\Admin\AppData\Local\Temp\3a6866c3f0249aba64ca0b28c341df77570acd7f77e6bef3394a62f9c41f9113.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1916

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

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RES8C52.tmp

Filesize
1KB

MD5
933545521d623365996a4572c54f0b72

SHA1
4bab41ebd92bbc55e11fa9c63b769d0b247ab01b

SHA256
4e9130284c6f9789cff46b06f1f96009c13d2d0461bbed203488cdca91f1c855

SHA512
c1e9f3c07bf3b4a03c65030b9d103d732d2fe839c93710f32269952037ee56406faff7fbd3e489912aee444471dde5e26fd6634414eb5d210b1ccc63fe02b80c

Download Submit
C:\Users\Admin\AppData\Local\Temp\nowwx97b.0.vb

Filesize
14KB

MD5
744a860da40f2b5f0cd5b050b2d426a3

SHA1
eabf89bf149816b816dbf594581c78098254fbce

SHA256
db034c3ff97feb1b149eb3cff157f9bbd319d09a0b7cf513714d6f2144338dba

SHA512
d3d628ea2b5fabaccc60b4dfea3725510f0691108dd65dabafa09c449856e82827bf41874b85ed589ac5629060b05e23195c051e14793f25e5d0b616a29cd2b0

Download Submit
C:\Users\Admin\AppData\Local\Temp\nowwx97b.cmdline

Filesize
266B

MD5
f80345241bc4adae5d7446d601505f2e

SHA1
34dea4359a3ef49360f999e39d097d3fccdcd72c

SHA256
63c40ff9a24bf6bde2f6fb974aca9a4d810f053dbfd17e161e1c578e614fafde

SHA512
2984004aa63b03de9ecaa7357b84fb8d8295fc1200eb77dd9292c97a823350780474059027ed6aab417f479e2a4d9e9c74ed6c7316d941c36393c7cfbb221d26

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp89F0.tmp.exe

Filesize
78KB

MD5
8f0b5cd571bbd23ba79f06e71f36ff43

SHA1
dfdc9a173b3255f4a620f01040429239c0a29761

SHA256
9a7b774c46b159cfd03fb265d6eae01ecc84dc79bc589385d69892f690bcd498

SHA512
3130904a82d69928a7eff4e656126566fbccf3dd552d0412d6326f1c134ba26ff83c9faeded143f0b9d96727b40f955da5d6726f6b98a1208856fc07431baf98

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcB6D3F779456041C2A9BAF21BB07871BB.TMP

Filesize
660B

MD5
9cf8edf865fe4389163f0a8e978b4ada

SHA1
a9b0e2d9f4ed760f956e69e911902ade28e44c41

SHA256
e69bd036445e8d9b9c476ea43b55480102a801d26198e75faa3b78c660e654b8

SHA512
6f110807dbf0a782920b1ae9a815a90cdefa27a2728075048974049f68969892e07aa444eb7ea3e8cf09d6e4a94091e09c58372e6b39c7801f83de8efd43f0bb

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

Filesize
62KB

MD5
484967ab9def8ff17dd55476ca137721

SHA1
a84012f673fe1ac9041e7827cc3de4b20a1194e2

SHA256
9c0a54047f133cf4e3e4444aa57cc576c566218217ea02ad7c04a408ad01791b

SHA512
1e9a0cc800543dada73e551ee714001c4d6c57a595ea2986a4dd8889d1dffd1557735580c694e5feb0b7c27c1a4b3e71a95fab8baf80839f42f80e2109cbe2d7

Download Submit
memory/1388-22-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/1388-2-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/1388-0-0x0000000075352000-0x0000000075353000-memory.dmp

Filesize
4KB

Download
memory/1388-1-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/1916-24-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/1916-23-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/1916-25-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/1916-26-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/1916-27-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/3196-18-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/3196-9-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download

Analysis

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