metamorpherrat | f5039dadd6585001ee2f4e723a98001681c65c56dbaad1d10a13ab95e3f1d0b1

General

Target

8fa46bbb2074967b1e4b2845c009eed0N.exe
Size

78KB
MD5

8fa46bbb2074967b1e4b2845c009eed0
SHA1

1cd0a78bf21c79efd7adfdefad1444eb5501a68e
SHA256

f5039dadd6585001ee2f4e723a98001681c65c56dbaad1d10a13ab95e3f1d0b1
SHA512

f8140f1d2a3e32d718d679e8e485750b701e0dbc03eb287797ed7f3cc542c35d9541b2176236cd14a4cedf0ea4a1dd6d011070e6ff05bdbe764f0e3fe4ef9356
SSDEEP

1536:1PCHY6M7t4XT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQt2d9/j1IM:1PCHYnhASyRxvhTzXPvCbW2U2d9//

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

Deletes itself 1 IoCs

pid	Process
2944	tmpC6C8.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
2944	tmpC6C8.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2104	8fa46bbb2074967b1e4b2845c009eed0N.exe
2104	8fa46bbb2074967b1e4b2845c009eed0N.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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmpC6C8.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	8fa46bbb2074967b1e4b2845c009eed0N.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	tmpC6C8.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2104	8fa46bbb2074967b1e4b2845c009eed0N.exe
Token: SeDebugPrivilege	2944	tmpC6C8.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 2580	2104	8fa46bbb2074967b1e4b2845c009eed0N.exe	30
PID 2104 wrote to memory of 2580	2104	8fa46bbb2074967b1e4b2845c009eed0N.exe	30
PID 2104 wrote to memory of 2580	2104	8fa46bbb2074967b1e4b2845c009eed0N.exe	30
PID 2104 wrote to memory of 2580	2104	8fa46bbb2074967b1e4b2845c009eed0N.exe	30
PID 2580 wrote to memory of 2544	2580	vbc.exe	32
PID 2580 wrote to memory of 2544	2580	vbc.exe	32
PID 2580 wrote to memory of 2544	2580	vbc.exe	32
PID 2580 wrote to memory of 2544	2580	vbc.exe	32
PID 2104 wrote to memory of 2944	2104	8fa46bbb2074967b1e4b2845c009eed0N.exe	33
PID 2104 wrote to memory of 2944	2104	8fa46bbb2074967b1e4b2845c009eed0N.exe	33
PID 2104 wrote to memory of 2944	2104	8fa46bbb2074967b1e4b2845c009eed0N.exe	33
PID 2104 wrote to memory of 2944	2104	8fa46bbb2074967b1e4b2845c009eed0N.exe	33

C:\Users\Admin\AppData\Local\Temp\8fa46bbb2074967b1e4b2845c009eed0N.exe
"C:\Users\Admin\AppData\Local\Temp\8fa46bbb2074967b1e4b2845c009eed0N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2104
- 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\abrzix6s.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2580
- - 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\RESC820.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcC81F.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2544
- C:\Users\Admin\AppData\Local\Temp\tmpC6C8.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpC6C8.tmp.exe" C:\Users\Admin\AppData\Local\Temp\8fa46bbb2074967b1e4b2845c009eed0N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2944

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

System Information Discovery

1

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\RESC820.tmp

Filesize
1KB

MD5
ec71274566ef8ff0234dd59804de2aea

SHA1
d0831ebf53d7b14d08178cd1292172b593e04af1

SHA256
de04a82b57d9a99995880f0227573d27dd5e532a2229155e18d4f33d8a46f6cb

SHA512
705f82f49464606f361abd8d03b45a042d2bc24ad05d20b5c72a7c6b4e62caaa6bc14a943eff29f44a90b8fd46992a9ef40d7776f49346726b425adbd8468d58

Download Submit
C:\Users\Admin\AppData\Local\Temp\abrzix6s.0.vb

Filesize
15KB

MD5
74e00dfa115875caa52c0279958c33d8

SHA1
fd891a5a1b4dbac4e37f3b45fae1c313155e8d93

SHA256
ab909c5131c8fa0aeeae5228d5584d60868f7a8f575ce119f072f723c8fc9313

SHA512
d007f0d37d938f2d706564f9c171db644e27ea8625519be432d4be1c906ae6cda61ad75e5a05d2529daa9751bf336041ed74749f21605617520ec423d28ea510

Download Submit
C:\Users\Admin\AppData\Local\Temp\abrzix6s.cmdline

Filesize
266B

MD5
e5d5152b98112aa086666f3897b4f13d

SHA1
de95abcfda8f49f80f2297cf8dd5d0e51fd8940c

SHA256
19dd17e84fd577faa0657e9050a01ba66b10df1077ab44bffffa0bdbf4fcf3ec

SHA512
b36b5a85921b4c647a7a3187f243ca673b62120c78316ad3210d91a1e0232d09dd68fcbaf77c468a476f4ec2435962c18d7a04998786e275524e64fd05b06b12

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC6C8.tmp.exe

Filesize
78KB

MD5
2b7fcaccbd43bc3f8668b120c1c767da

SHA1
e32d8056c60b1f8e918bfc7c74193dfb837e6dad

SHA256
771c0f948eec6dcea8c5463e2bc3fb47430c6144c202c7808eb10ff5dc7e3489

SHA512
381ac0aad6e6bedcafec930ce4cde07233a6bae476f40516e7f8c3bd0ca16ac4d1364b9eafd4f5516c901d6cbf1a905ea460cefb7e615948d3b15c27dad47675

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcC81F.tmp

Filesize
660B

MD5
910a8deb9c6c261dce743486c8270994

SHA1
1187eb898ff8e988571a19e38acca06a042e53c5

SHA256
a6f0fb1e0c53676dbbae690b4cb0bab2e0087ab27fd05ab675d75261f4a0401b

SHA512
d76c217e31dfaf24b7a938a6b42c2dbd50d16a85f3af38e4c39f2d104a04dbdcc7461cf31141522ba946d21090be3ece7a46d97027dc2951bd8790b8f3a16289

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/2104-0-0x00000000748D1000-0x00000000748D2000-memory.dmp

Filesize
4KB

Download
memory/2104-1-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2104-2-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2104-24-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2580-8-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2580-18-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads