metamorpherrat | 6bd38f47b71191879891504ab7b86d9e5143786d99ffe4c3abed3f7485140dc1

General

Target

8553676d1da9152c3b3a17856adec220N.exe
Size

78KB
MD5

8553676d1da9152c3b3a17856adec220
SHA1

03775a964f734f4d99a4bf5db7b479e360d386c7
SHA256

6bd38f47b71191879891504ab7b86d9e5143786d99ffe4c3abed3f7485140dc1
SHA512

67dc0a08d96c7ab4f829b7ea03c5736efd0dcc51c26fcdcb499187d3b6873f78dcecf16c331048d12ae77686fc51878b78e41e2d263dce859d89be8328119b90
SSDEEP

1536:XORWV5jPvZv0kH9gDDtWzYCnJPeoYrGQtN6i9/a1HJ:+RWV5jPl0Y9MDYrm799/i

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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	8553676d1da9152c3b3a17856adec220N.exe

Executes dropped EXE 1 IoCs

pid	Process
4784	tmpA0D4.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-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peverify = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft.CSharp.exe\""	tmpA0D4.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	8553676d1da9152c3b3a17856adec220N.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	tmpA0D4.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1616	8553676d1da9152c3b3a17856adec220N.exe
Token: SeDebugPrivilege	4784	tmpA0D4.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1616 wrote to memory of 4244	1616	8553676d1da9152c3b3a17856adec220N.exe	83
PID 1616 wrote to memory of 4244	1616	8553676d1da9152c3b3a17856adec220N.exe	83
PID 1616 wrote to memory of 4244	1616	8553676d1da9152c3b3a17856adec220N.exe	83
PID 4244 wrote to memory of 1936	4244	vbc.exe	86
PID 4244 wrote to memory of 1936	4244	vbc.exe	86
PID 4244 wrote to memory of 1936	4244	vbc.exe	86
PID 1616 wrote to memory of 4784	1616	8553676d1da9152c3b3a17856adec220N.exe	89
PID 1616 wrote to memory of 4784	1616	8553676d1da9152c3b3a17856adec220N.exe	89
PID 1616 wrote to memory of 4784	1616	8553676d1da9152c3b3a17856adec220N.exe	89

C:\Users\Admin\AppData\Local\Temp\8553676d1da9152c3b3a17856adec220N.exe
"C:\Users\Admin\AppData\Local\Temp\8553676d1da9152c3b3a17856adec220N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1616
- 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\px0tffzq.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4244
- - 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\RESA1AE.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc42FBA36FC12C4D09847590CF1EA4AAD0.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1936
- C:\Users\Admin\AppData\Local\Temp\tmpA0D4.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpA0D4.tmp.exe" C:\Users\Admin\AppData\Local\Temp\8553676d1da9152c3b3a17856adec220N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4784

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\RESA1AE.tmp

Filesize
1KB

MD5
96f2be2e04b88e85b64d45338c671592

SHA1
7f34113502614c5fed54b82b54be1c70871369ee

SHA256
47ba657f9810d1f81555810973cd877413dc2585c79d2652c186c20bc5389c59

SHA512
e2e085097ceef73ab640765b9f05a918cff7b3b6a5ce63ec2fd4d32bf5d721b42dfe8eaee22454c264fd9dd1841e2972af26bbd9d79c7c414e334b7856508d79

Download Submit
C:\Users\Admin\AppData\Local\Temp\px0tffzq.0.vb

Filesize
14KB

MD5
c5fd1c188403a08902bf410ff429c363

SHA1
2ff86d3b1a2b3e703dbc4aa35aaaa99089b85582

SHA256
d2bfdcdfc5e9563d08665f7bd4a97d6eccecd1dd387ad07be7e2d2ce8082f7ad

SHA512
f1157264d6d2342d7918bc31ab8e352c6ed5c845a90264d8204f76bb6d91c69ce6091ec413984ca9427b368af294516b31d3c1091b74ca5ae288820d4502975b

Download Submit
C:\Users\Admin\AppData\Local\Temp\px0tffzq.cmdline

Filesize
266B

MD5
53cb0ac2cce63375aa75e26168163976

SHA1
fcf64ebadfe191763af68f521158bb380a931423

SHA256
db2026c5425d12fa29175e27fae0bddeca281e467460392f360ea207db35bc05

SHA512
8b55b3821bde664c4457ddae2ab2b350f46579a1a84cf2dec2c00e0c7c26a31d4bcbe61a6ab81c8a13181a3d542398e5c129542e4d7d45aaad46a36b87d267f0

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA0D4.tmp.exe

Filesize
78KB

MD5
82ad07886594e07744c2a81bb12de3b0

SHA1
f25b3f27ed51ce2a0a894ed1b2cf6d9f2c1c2b32

SHA256
8cf47974b281594ca8a4ca81c46cfb82250aba835daef578d5a0b6061388845f

SHA512
f3a60e1322af16b234e25569f8393b3887ae6800e4fef458ead61a96731f199d4e640b6c25dfca856728f6c2720c52d4b48864e6b5d49c10ba4e7c51e2955323

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc42FBA36FC12C4D09847590CF1EA4AAD0.TMP

Filesize
660B

MD5
cfd993230ed84d7e27f97fcb4f694948

SHA1
4c0e458dd731d803895dec9a997b4f8d38a5e776

SHA256
e7582328614754d10aee20e0cf451076c41c20a04df1b10d084e6a55c5240f95

SHA512
e88e668e4d786561953a8ccb504b36773b91f5ca715a2c885b51f046ffe0164080df561f60d3f411a99078c4cac36956602b288620596dc5b726c4699c881062

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

Filesize
62KB

MD5
8b25b4d931908b4c77ce6c3d5b9a2910

SHA1
88b65fd9733484c8f8147dad9d0896918c7e37c7

SHA256
79c261ab6b394ee23ab0fd0af48bcd96f914c6bb88b36b6815b6bbf787ecd56e

SHA512
6d954066cec5eca118601f2f848f5c9deebe3761ac285c6d45041df22e4bc4e9e2fd98c1aa4fbb6b9c735151bf8d5fffa5acddf7060a4cf3cb7e09271a4a926d

Download Submit
memory/1616-1-0x0000000074F00000-0x00000000754B1000-memory.dmp

Filesize
5.7MB

Download
memory/1616-2-0x0000000074F00000-0x00000000754B1000-memory.dmp

Filesize
5.7MB

Download
memory/1616-0-0x0000000074F02000-0x0000000074F03000-memory.dmp

Filesize
4KB

Download
memory/1616-22-0x0000000074F00000-0x00000000754B1000-memory.dmp

Filesize
5.7MB

Download
memory/4244-11-0x0000000074F00000-0x00000000754B1000-memory.dmp

Filesize
5.7MB

Download
memory/4244-18-0x0000000074F00000-0x00000000754B1000-memory.dmp

Filesize
5.7MB

Download
memory/4784-23-0x0000000074F00000-0x00000000754B1000-memory.dmp

Filesize
5.7MB

Download
memory/4784-25-0x0000000074F00000-0x00000000754B1000-memory.dmp

Filesize
5.7MB

Download
memory/4784-24-0x0000000074F00000-0x00000000754B1000-memory.dmp

Filesize
5.7MB

Download
memory/4784-27-0x0000000074F00000-0x00000000754B1000-memory.dmp

Filesize
5.7MB

Download
memory/4784-28-0x0000000074F00000-0x00000000754B1000-memory.dmp

Filesize
5.7MB

Download
memory/4784-29-0x0000000074F00000-0x00000000754B1000-memory.dmp

Filesize
5.7MB

Download
memory/4784-30-0x0000000074F00000-0x00000000754B1000-memory.dmp

Filesize
5.7MB

Download
memory/4784-31-0x0000000074F00000-0x00000000754B1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads