metamorpherrat | a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9

General

Target

a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe
Size

78KB
MD5

e99f549224132b857af1f74e63f3e8d0
SHA1

057c9d28c82bd2bf8090088d0f3aabec0e842363
SHA256

a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9
SHA512

6ab15771d710e1affc83b24b0398c986f9af13585216dd8afbacceb26e53042d3def4f63dda2b971eeb8e943a6cc15aad14a073b97a420b6938949bd9b7c7747
SSDEEP

1536:cRWV5rXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtC6+9/U1+o:cRWV5rSyRxvhTzXPvCbW2U29/2

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

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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe

Deletes itself 1 IoCs

pid	Process
1316	tmpC505.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
1316	tmpC505.tmp.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

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-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmpC505.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	a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.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	tmpC505.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	388	a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe
Token: SeDebugPrivilege	1316	tmpC505.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 388 wrote to memory of 4140	388	a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe	83
PID 388 wrote to memory of 4140	388	a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe	83
PID 388 wrote to memory of 4140	388	a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe	83
PID 4140 wrote to memory of 3708	4140	vbc.exe	85
PID 4140 wrote to memory of 3708	4140	vbc.exe	85
PID 4140 wrote to memory of 3708	4140	vbc.exe	85
PID 388 wrote to memory of 1316	388	a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe	86
PID 388 wrote to memory of 1316	388	a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe	86
PID 388 wrote to memory of 1316	388	a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe	86

C:\Users\Admin\AppData\Local\Temp\a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe
"C:\Users\Admin\AppData\Local\Temp\a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:388
- 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\ywj7d1uc.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4140
- - 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\RESC67C.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc70B7EB65484047BC91CDADCA6B678D2D.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3708
- C:\Users\Admin\AppData\Local\Temp\tmpC505.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpC505.tmp.exe" C:\Users\Admin\AppData\Local\Temp\a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1316

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

1

T1064

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

Scripting

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\RESC67C.tmp

Filesize
1KB

MD5
463cd202097150795200007a51b89379

SHA1
10eed23e45564bbdd88d9ab27ba2fe79a05c16d3

SHA256
c7c3c359f81451cdc6d61d51c635f309c942b1ba24c1112a0c488c45f8e75aaf

SHA512
589e3f4cf784f7a694849b4f5c9e5bcf79485e4a95bdbeb65b96d213de86023c3937d8d6471e79fb7b9a22aca710853b4e414a5ed6ecae4d5811dd31c14fabf0

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC505.tmp.exe

Filesize
78KB

MD5
74271e2f8df329d26e903337eff59bda

SHA1
b9dc48aa38253f2fba95182a842e87664eafd286

SHA256
8541f5eb33a74a91023e7c5c001ce7d693f6564dac3a81ce3d9a161af92b41e5

SHA512
77ef081d38a5f1c46bb90140f6bd724e2dc80fb57bd0181fa55c561f9f81c779b3c243a67de7c4a14a45b2e0e753f734973eaa47dd6e2cbc2b5bb79ba030300d

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc70B7EB65484047BC91CDADCA6B678D2D.TMP

Filesize
660B

MD5
0db189bb0b6d23be1af6daa4582995d4

SHA1
d127ce0a24458192ecca8cd3652a6125c330abcd

SHA256
fef9f6178af1041316ed7d8d88c19417cb15686115f8fde2d27073ff8e420abf

SHA512
04753bc9c59590839826fefe46d214b8dc1ae56ef82f609a415219dbe58f00e52fcf7862eef3ddb0fac7acb3b69e412e2df9babb9eea062973e3ef9317714473

Download Submit
C:\Users\Admin\AppData\Local\Temp\ywj7d1uc.0.vb

Filesize
14KB

MD5
7a4c39a9fba789a1a2a6fd633d894ccf

SHA1
e4f2ba5021650f010f92b008171f86280b747334

SHA256
48a34338ec192ada0307c4079fbfb7399a9280feb915007813ddf93691e9908e

SHA512
812eb0a28c78b0b7c1e5b51d9519cbd0eef5ebba35ba2d5b05e99d51c2fdc4d69a66fdc51d4e9db6c2c5a3df0fb5d52b754d78deea336d30bd946c8d08f9eed2

Download Submit
C:\Users\Admin\AppData\Local\Temp\ywj7d1uc.cmdline

Filesize
266B

MD5
0828391b0c0fa11bfba24c30f59cd41c

SHA1
4bc3136fea7bff0dfc7987aeabe5597ea7e057dd

SHA256
8236b1516df8dabe83bbb6535e91f668b3f50b08b6da2a697bb72a58a0b19256

SHA512
7e301f86cae866a03e87e6a4017e23e30fb26f5fd2837b48f116f69edf4bb58560c617401c7da89e6a8462ed4b5a9b7e91c5c31a8a3c47fa54f1cf4b5165ea4e

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/388-1-0x0000000074910000-0x0000000074EC1000-memory.dmp

Filesize
5.7MB

Download
memory/388-2-0x0000000074910000-0x0000000074EC1000-memory.dmp

Filesize
5.7MB

Download
memory/388-0-0x0000000074912000-0x0000000074913000-memory.dmp

Filesize
4KB

Download
memory/388-22-0x0000000074910000-0x0000000074EC1000-memory.dmp

Filesize
5.7MB

Download
memory/1316-23-0x0000000074910000-0x0000000074EC1000-memory.dmp

Filesize
5.7MB

Download
memory/1316-25-0x0000000074910000-0x0000000074EC1000-memory.dmp

Filesize
5.7MB

Download
memory/1316-24-0x0000000074910000-0x0000000074EC1000-memory.dmp

Filesize
5.7MB

Download
memory/1316-27-0x0000000074910000-0x0000000074EC1000-memory.dmp

Filesize
5.7MB

Download
memory/1316-28-0x0000000074910000-0x0000000074EC1000-memory.dmp

Filesize
5.7MB

Download
memory/1316-29-0x0000000074910000-0x0000000074EC1000-memory.dmp

Filesize
5.7MB

Download
memory/4140-9-0x0000000074910000-0x0000000074EC1000-memory.dmp

Filesize
5.7MB

Download
memory/4140-18-0x0000000074910000-0x0000000074EC1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads