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

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	a1d457d172edfc07dcdb6823544b20148ddbd4e34b287915f7771041a89219b4N.exe

Executes dropped EXE 1 IoCs

pid	Process
3476	tmpB8F0.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	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	tmpB8F0.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4028	a1d457d172edfc07dcdb6823544b20148ddbd4e34b287915f7771041a89219b4N.exe
Token: SeDebugPrivilege	3476	tmpB8F0.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4028 wrote to memory of 1876	4028	a1d457d172edfc07dcdb6823544b20148ddbd4e34b287915f7771041a89219b4N.exe	82
PID 4028 wrote to memory of 1876	4028	a1d457d172edfc07dcdb6823544b20148ddbd4e34b287915f7771041a89219b4N.exe	82
PID 4028 wrote to memory of 1876	4028	a1d457d172edfc07dcdb6823544b20148ddbd4e34b287915f7771041a89219b4N.exe	82
PID 1876 wrote to memory of 4312	1876	vbc.exe	84
PID 1876 wrote to memory of 4312	1876	vbc.exe	84
PID 1876 wrote to memory of 4312	1876	vbc.exe	84
PID 4028 wrote to memory of 3476	4028	a1d457d172edfc07dcdb6823544b20148ddbd4e34b287915f7771041a89219b4N.exe	85
PID 4028 wrote to memory of 3476	4028	a1d457d172edfc07dcdb6823544b20148ddbd4e34b287915f7771041a89219b4N.exe	85
PID 4028 wrote to memory of 3476	4028	a1d457d172edfc07dcdb6823544b20148ddbd4e34b287915f7771041a89219b4N.exe	85

C:\Users\Admin\AppData\Local\Temp\a1d457d172edfc07dcdb6823544b20148ddbd4e34b287915f7771041a89219b4N.exe
"C:\Users\Admin\AppData\Local\Temp\a1d457d172edfc07dcdb6823544b20148ddbd4e34b287915f7771041a89219b4N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4028
- 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\9pg60jlr.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1876
- - 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\RESBA38.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcFE0262CE9E4B48C8A4F99A7386AD05D.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4312
- C:\Users\Admin\AppData\Local\Temp\tmpB8F0.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpB8F0.tmp.exe" C:\Users\Admin\AppData\Local\Temp\a1d457d172edfc07dcdb6823544b20148ddbd4e34b287915f7771041a89219b4N.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3476

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\9pg60jlr.0.vb

Filesize
14KB

MD5
a6fd4d85603e76c0db7b4c395e9819d9

SHA1
bbf5619b1f14b9b60745120ef468df662be4a417

SHA256
75f30ca3f9402afb10fb553454739ebdd6b17131fe8fa50fc0ccb310006f4b85

SHA512
8eda2c62fad0ab6a760dfcfa620ffc51580c0c63e58fbc505240df7c8133f2f4f350d6520f57ed5429f4a667fb9b89bf819fd06ca28cf504007be094e3f3b9eb

Download Submit
C:\Users\Admin\AppData\Local\Temp\9pg60jlr.cmdline

Filesize
266B

MD5
8d17b7f237135379fbc5c584bd5a9829

SHA1
0a0d814df0b5d7b90715250a51be3422977a6ec5

SHA256
ae33f4e99e7907dc7950cfb54c0b1f55b8c5800bee55dd6cd2655c7adbe7739b

SHA512
140f39233a91781997a6d98248d97afc6eb91b80ee402f105e3c30a16a69a9957442506eb7a1fc8b8182384539a1b783189061027783532b94a45fb1c004c366

Download Submit
C:\Users\Admin\AppData\Local\Temp\RESBA38.tmp

Filesize
1KB

MD5
f6721bbece01eebb2dc0d0ce8316481f

SHA1
4041809d69cb01efa8f18e84053c40c5a82e4523

SHA256
d49fa74d421b0ff2826b52727d18a59da134b2d2fec7c4d626bcb36bab35317c

SHA512
54a9e03a16b685f9bc762962bce1bfa5b4ff556f15a2c313c0b8af1f5dab1b18b0acb26805e694009af21b602073b846aac8eefa5dcb0b677f96dc7d48bed15a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB8F0.tmp.exe

Filesize
78KB

MD5
d16fe4039881a1ebd4e273087e2a427e

SHA1
21f632dd45943b23803dedbedda627e42bf42a7e

SHA256
083007e63591bbebc7d9473567491be1deab388d03f46ea1c754da0e4fae5a05

SHA512
898a265f4f4d87c350bc24b9b3e5e54e1ff8c49d5ac97314c00bf87bba6e2588afba14b582f35f91153f48ed632bf948cc8c7aa4d68102d4471cf1cc487b5799

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcFE0262CE9E4B48C8A4F99A7386AD05D.TMP

Filesize
660B

MD5
9060cd9ac1225e3078ddec29a90787cb

SHA1
a09722ae7125c4dad5047d140f2548ee51744877

SHA256
05597ab8653643c8f445e4f984fb0b27395b9db374497895791fa43d6f3e7a10

SHA512
af7f87f03a3eea5d7fa66374159ee2ba169e604562cc12b67c8b5f5b2a3baf21a9425b12dd895165efdba48c07dcc3c253c3fda73a904663891151fe5c40491f

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

Filesize
62KB

MD5
484967ab9def8ff17dd55476ca137721

SHA1
a84012f673fe1ac9041e7827cc3de4b20a1194e2

SHA256
9c0a54047f133cf4e3e4444aa57cc576c566218217ea02ad7c04a408ad01791b

SHA512
1e9a0cc800543dada73e551ee714001c4d6c57a595ea2986a4dd8889d1dffd1557735580c694e5feb0b7c27c1a4b3e71a95fab8baf80839f42f80e2109cbe2d7

Download Submit
memory/1876-8-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download
memory/1876-18-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download
memory/3476-23-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download
memory/3476-24-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download
memory/3476-25-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download
memory/3476-26-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download
memory/3476-27-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download
memory/3476-28-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download
memory/3476-29-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download
memory/4028-0-0x00000000747F2000-0x00000000747F3000-memory.dmp

Filesize
4KB

Download
memory/4028-2-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download
memory/4028-1-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download
memory/4028-22-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download

Analysis

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