metamorpherrat | b6aeff2134dc7f6a6817bc62310935d4208fda2d25ace5f54bc290fcec3fbccd

General

Target

d9d01f8d9b7417a07262605178a764c0N.exe
Size

78KB
MD5

d9d01f8d9b7417a07262605178a764c0
SHA1

3147b17fabff15624aad99bf22399c172107cdbd
SHA256

b6aeff2134dc7f6a6817bc62310935d4208fda2d25ace5f54bc290fcec3fbccd
SHA512

cb9a6390bd39fc5b74038d2dcc98d646217ba8876d29211501145c4d06835ad31fda88ab971b4e02816e4825d67f28040b1ae462b9fb5f9a9a968bc8fe4e50ec
SSDEEP

1536:4WV5jSeXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtC67T9/h1Nh:4WV5jSWSyRxvhTzXPvCbW2UDT9//

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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	d9d01f8d9b7417a07262605178a764c0N.exe

Deletes itself 1 IoCs

pid	Process
4360	tmp8C52.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
4360	tmp8C52.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-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmp8C52.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	d9d01f8d9b7417a07262605178a764c0N.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	tmp8C52.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1088	d9d01f8d9b7417a07262605178a764c0N.exe
Token: SeDebugPrivilege	4360	tmp8C52.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1088 wrote to memory of 3656	1088	d9d01f8d9b7417a07262605178a764c0N.exe	83
PID 1088 wrote to memory of 3656	1088	d9d01f8d9b7417a07262605178a764c0N.exe	83
PID 1088 wrote to memory of 3656	1088	d9d01f8d9b7417a07262605178a764c0N.exe	83
PID 3656 wrote to memory of 2252	3656	vbc.exe	87
PID 3656 wrote to memory of 2252	3656	vbc.exe	87
PID 3656 wrote to memory of 2252	3656	vbc.exe	87
PID 1088 wrote to memory of 4360	1088	d9d01f8d9b7417a07262605178a764c0N.exe	90
PID 1088 wrote to memory of 4360	1088	d9d01f8d9b7417a07262605178a764c0N.exe	90
PID 1088 wrote to memory of 4360	1088	d9d01f8d9b7417a07262605178a764c0N.exe	90

C:\Users\Admin\AppData\Local\Temp\d9d01f8d9b7417a07262605178a764c0N.exe
"C:\Users\Admin\AppData\Local\Temp\d9d01f8d9b7417a07262605178a764c0N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1088
- 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\hwlvcewm.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3656
- - 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\RES8D8A.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcD113461021F746628F5B4FD3A4AAFCF.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2252
- C:\Users\Admin\AppData\Local\Temp\tmp8C52.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp8C52.tmp.exe" C:\Users\Admin\AppData\Local\Temp\d9d01f8d9b7417a07262605178a764c0N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4360

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\RES8D8A.tmp

Filesize
1KB

MD5
ad22ac10f4c46d1a0dc7cf6f4a653bce

SHA1
37a8302bee433933ff1b86dd8af1c9b50532d785

SHA256
18e078cca554272044f510b610eea5aff4501a3575796e762283c4d96c2aae3a

SHA512
1c96e67f4b6621b539f60b3e2ba85adb9233435251c38afa09fc6ecc89b7e475e1baa954967e1f9a0e921ad3d8e857768ec64a51c93a26a2711cab24bfafafeb

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

Filesize
14KB

MD5
13d896b30d0a4bda161d77de26622ee2

SHA1
3e7954a97cdc43441ee4c394db1a80f2ccc91095

SHA256
0e4eb1036f06383b37cc37d197dc1b582f7cc906607bfe506e62a9c7427d1299

SHA512
d5de332d5b50c24b401d0f94d2679dcc85852dbbef6119d4d155367d223c383d669c871ee5905eb2bef7a8fa170ed03f059f986cf1f2967fda34d5ce2fa76f14

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

Filesize
266B

MD5
72b1dfb33c01d8df3d38d07de0516ae3

SHA1
c6f5d46e119dbda5297a2b691eee767e12984298

SHA256
168c16f2c7e9e362057c3ad3bca6e7a91a59f5450a80680ead15b07f80d162c3

SHA512
3cb8859d4ed1526d4d5335c0a6ff506e11d1648b42502b46f318cf300fc418b328c51d99314d76439fe72503b01019d58bc865f644d456c8a7bb540c04c69989

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8C52.tmp.exe

Filesize
78KB

MD5
36ee94d05a0392a6f6293b470f7f5d22

SHA1
0b28c90d9811d8ca88659a4f0fe545b3f74da709

SHA256
aa2d5e7cac72e377dd347ef146e1af2f6b5021d17ac495780b8f49f188a622fb

SHA512
41d3f16a3f49ba2cda20e0905a4c032cac4d639c29834b88cae1e3b87934e4b964b21b1f20b3b58c9ef5428aeede054785148b7183919b5998a4496affaf0520

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcD113461021F746628F5B4FD3A4AAFCF.TMP

Filesize
660B

MD5
621471698d90484be45a32a9bbaedc91

SHA1
e0bccee4849774fd295b48d2199a9050b4528c27

SHA256
f3b0c2c9cc45fbdf123dcf962287f36660513261614d1fb85aeb5b824b439dbd

SHA512
63f08be68a249dae0c6cfcfcd683b5d802b6b0c5d4be2e4f61357bbb1bc99694da9ba0db24e771cb851101db1b8b2b06ad519375f38099b5e81ad7bb409ee337

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/1088-22-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/1088-2-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/1088-0-0x0000000075542000-0x0000000075543000-memory.dmp

Filesize
4KB

Download
memory/1088-1-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/3656-18-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/3656-9-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/4360-23-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/4360-24-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/4360-26-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/4360-27-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/4360-28-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads