metamorpherrat | edeb709af50d8fa27dde8ab015ab0de7fae86a44ae6bc2fe651362302ed36b4e

General

Target

a989f1b84357fa124dc1fbefe1bb42b0N.exe
Size

78KB
MD5

a989f1b84357fa124dc1fbefe1bb42b0
SHA1

df2ede9b4ea2a9204a55fda033bfeee80ccca42e
SHA256

edeb709af50d8fa27dde8ab015ab0de7fae86a44ae6bc2fe651362302ed36b4e
SHA512

fb3b47c314a0b2aa4a41def70698a401f0e383b5594cdaceefd5632243bacbabed17ac760b4e77f1f13a08059f1eaf90bbf64639aa58c18f3b482a68d2fdeef8
SSDEEP

1536:oWtHF3M3xXT0XRhyRjVf3znOJTv3lcUK/+dWzCP7oYTcSQt3o9/01f1:oWtHF83xSyRxvY3md+dWWZy3o9/E

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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	a989f1b84357fa124dc1fbefe1bb42b0N.exe

Deletes itself 1 IoCs

pid	Process
2992	tmpF140.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
2992	tmpF140.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-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ShFusRes = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\big5.exe\""	tmpF140.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	tmpF140.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a989f1b84357fa124dc1fbefe1bb42b0N.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	2176	a989f1b84357fa124dc1fbefe1bb42b0N.exe
Token: SeDebugPrivilege	2992	tmpF140.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 3784	2176	a989f1b84357fa124dc1fbefe1bb42b0N.exe	92
PID 2176 wrote to memory of 3784	2176	a989f1b84357fa124dc1fbefe1bb42b0N.exe	92
PID 2176 wrote to memory of 3784	2176	a989f1b84357fa124dc1fbefe1bb42b0N.exe	92
PID 3784 wrote to memory of 4992	3784	vbc.exe	95
PID 3784 wrote to memory of 4992	3784	vbc.exe	95
PID 3784 wrote to memory of 4992	3784	vbc.exe	95
PID 2176 wrote to memory of 2992	2176	a989f1b84357fa124dc1fbefe1bb42b0N.exe	96
PID 2176 wrote to memory of 2992	2176	a989f1b84357fa124dc1fbefe1bb42b0N.exe	96
PID 2176 wrote to memory of 2992	2176	a989f1b84357fa124dc1fbefe1bb42b0N.exe	96

C:\Users\Admin\AppData\Local\Temp\a989f1b84357fa124dc1fbefe1bb42b0N.exe
"C:\Users\Admin\AppData\Local\Temp\a989f1b84357fa124dc1fbefe1bb42b0N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2176
- 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\lqhifnq3.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3784
- - 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\RESF324.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc54CD06CBCD4C49D295CE4FE2A56FA697.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4992
- C:\Users\Admin\AppData\Local\Temp\tmpF140.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpF140.tmp.exe" C:\Users\Admin\AppData\Local\Temp\a989f1b84357fa124dc1fbefe1bb42b0N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2992

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4288,i,5469445176230119590,7931734017267321834,262144 --variations-seed-version --mojo-platform-channel-handle=3756 /prefetch:8
1⤵
PID:4080

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\RESF324.tmp

Filesize
1KB

MD5
26e80c2856132dc118f54d4b4c0f12e7

SHA1
0953966ae547fea3428f74e31ec966b77d2b8809

SHA256
d17939f7fdb91ead3627b20fc8928a8a5d004131b7967b4816843452587499a2

SHA512
4a34aba5d989347b7427620776ea02d3053d725adea6a896736729629bf3793a7004c5beb0a6233fc95cc94337c55677efa8720b23da160b81b0b517d52022f4

Download Submit
C:\Users\Admin\AppData\Local\Temp\lqhifnq3.0.vb

Filesize
15KB

MD5
5cb8400c35bb85d53292e16d455bc2c8

SHA1
9d3a9b4d0a0f18d71691b4e5a5eadabe11a7c28c

SHA256
7b6b76c720178c72c96a26f7cd694e2e354f2ecacc95880546567c012e467a79

SHA512
664ff4c81f8c761c192d808a2d36ca3567328a330970301b1a6b76e24c38759270d4db36422ca1f02eaf4006353443c2197bd083f7a96c20f653903068059fe2

Download Submit
C:\Users\Admin\AppData\Local\Temp\lqhifnq3.cmdline

Filesize
266B

MD5
9ee4296831a6b315f928f3ef31783410

SHA1
85edafd34bba9be646b22985235d3dd196a28f4f

SHA256
caccbe467496acd5740455b062d8722a7481a43eb9bb42065a62055420ee5729

SHA512
68ecca3f148c9366e6478902f0a3c2ef1ee83b3176a8c6cb295dcfe5756ab0552cc2c21658eaed551ca3b67f6a087e7bb2157cc34600c1d06e8dd0776d83c259

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF140.tmp.exe

Filesize
78KB

MD5
5db297b9b74b535839a6573a3f1f5db1

SHA1
d64589237b1e7af8a50aa05b0ca366d683060a7c

SHA256
7eefc45648b0abd8913f07d4691c802d69863ce78ed0f03d46593c9cefde570b

SHA512
b4802969424b28e7d104722df6985138f1c3bc9286286927b20ae5d4736266f78eabb774da8727555ac6b2d3906a6c5510ba45d8e53e77f9fc955e7b21081ccf

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc54CD06CBCD4C49D295CE4FE2A56FA697.TMP

Filesize
660B

MD5
8838076a7d745608dc65ad319c7f6299

SHA1
5be9dc93caa9d8c5fcc3e77611703e16b94f8928

SHA256
71f3833b808d79d46a363f3b59a4f7746af53732a36788d97cb6f50e71c60841

SHA512
f37296b8ad37eafb1262f82e7c8c26fc4580614f5f8ec8cdf0063e156563af3a0807f16e4767840b3d9ac737e0b6525678b1d8ac7cced101136e31829fac48f1

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

Filesize
62KB

MD5
4f0e8cf79edb6cd381474b21cabfdf4a

SHA1
7018c96b4c5dab7957d4bcdc82c1e7bb3a4f80c4

SHA256
e54a257fa391065c120f55841de8c11116ea0e601d90fe1a35dcd340c5dd9cd5

SHA512
2451a59d09464e30d0df822d9322dbecb83faa92c5a5b71b7b9db62330c40cc7570d66235f137290074a3c4a9f3d8b3447067ed135f1bb60ea9e18d0df39a107

Download Submit
memory/2176-1-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/2176-2-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/2176-0-0x0000000074952000-0x0000000074953000-memory.dmp

Filesize
4KB

Download
memory/2176-22-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/2992-24-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/2992-23-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/2992-25-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/2992-27-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/2992-28-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/2992-29-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/3784-9-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/3784-18-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads