metamorpherrat | b3c3faee150257c3dfaaaf9133f2607b67e46000ee44ff624e7c60ef806e5e10

General

Target

b3c3faee150257c3dfaaaf9133f2607b67e46000ee44ff624e7c60ef806e5e10N.exe
Size

78KB
MD5

1ca379954e88873978f8fee898004950
SHA1

d1454ee16e5aa95d6a49a47be33cb34786c5f512
SHA256

b3c3faee150257c3dfaaaf9133f2607b67e46000ee44ff624e7c60ef806e5e10
SHA512

5c2a0a0630c3bbb063b524a3b470faec2dc4ccc6da52edfe34767e544a5c43054dbf457590af3db0ca70e1d2ad45dba5c239d83fcfba3dfcf9baa2c947efcc95
SSDEEP

1536:ye585XT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQty6et9/YCw1tI:ye58pSyRxvhTzXPvCbW2Ui9/YCX

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
Metamorpherrat family
metamorpherrat

Executes dropped EXE 1 IoCs

pid	Process
1548	tmpF354.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2788	b3c3faee150257c3dfaaaf9133f2607b67e46000ee44ff624e7c60ef806e5e10N.exe
2788	b3c3faee150257c3dfaaaf9133f2607b67e46000ee44ff624e7c60ef806e5e10N.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmpF354.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	b3c3faee150257c3dfaaaf9133f2607b67e46000ee44ff624e7c60ef806e5e10N.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	tmpF354.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2788	b3c3faee150257c3dfaaaf9133f2607b67e46000ee44ff624e7c60ef806e5e10N.exe
Token: SeDebugPrivilege	1548	tmpF354.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2788 wrote to memory of 2696	2788	b3c3faee150257c3dfaaaf9133f2607b67e46000ee44ff624e7c60ef806e5e10N.exe	31
PID 2788 wrote to memory of 2696	2788	b3c3faee150257c3dfaaaf9133f2607b67e46000ee44ff624e7c60ef806e5e10N.exe	31
PID 2788 wrote to memory of 2696	2788	b3c3faee150257c3dfaaaf9133f2607b67e46000ee44ff624e7c60ef806e5e10N.exe	31
PID 2788 wrote to memory of 2696	2788	b3c3faee150257c3dfaaaf9133f2607b67e46000ee44ff624e7c60ef806e5e10N.exe	31
PID 2696 wrote to memory of 2852	2696	vbc.exe	33
PID 2696 wrote to memory of 2852	2696	vbc.exe	33
PID 2696 wrote to memory of 2852	2696	vbc.exe	33
PID 2696 wrote to memory of 2852	2696	vbc.exe	33
PID 2788 wrote to memory of 1548	2788	b3c3faee150257c3dfaaaf9133f2607b67e46000ee44ff624e7c60ef806e5e10N.exe	34
PID 2788 wrote to memory of 1548	2788	b3c3faee150257c3dfaaaf9133f2607b67e46000ee44ff624e7c60ef806e5e10N.exe	34
PID 2788 wrote to memory of 1548	2788	b3c3faee150257c3dfaaaf9133f2607b67e46000ee44ff624e7c60ef806e5e10N.exe	34
PID 2788 wrote to memory of 1548	2788	b3c3faee150257c3dfaaaf9133f2607b67e46000ee44ff624e7c60ef806e5e10N.exe	34

C:\Users\Admin\AppData\Local\Temp\b3c3faee150257c3dfaaaf9133f2607b67e46000ee44ff624e7c60ef806e5e10N.exe
"C:\Users\Admin\AppData\Local\Temp\b3c3faee150257c3dfaaaf9133f2607b67e46000ee44ff624e7c60ef806e5e10N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2788
- 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\muw2cmnr.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2696
- - 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\RESF5B5.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcF5B4.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2852
- C:\Users\Admin\AppData\Local\Temp\tmpF354.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpF354.tmp.exe" C:\Users\Admin\AppData\Local\Temp\b3c3faee150257c3dfaaaf9133f2607b67e46000ee44ff624e7c60ef806e5e10N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

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

1

T1112

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\RESF5B5.tmp

Filesize
1KB

MD5
50406c1ea34cca997b044d77fbec5642

SHA1
e56ce8a913ef6596132ba90805a7f78d39cf6a46

SHA256
586aa7b63cbb0b96e7defeacbc176ebbdc12a8d5bc48a81630b76f134ea71282

SHA512
d4f575b79c6ac5f46b775bb8d3ff6975d9f149ca1e2a84d0a1d551a4f9236bd12c86a9302fd6ec0931d1094b3fedb6a910e5289d76ba318fbb143a8c4f77c639

Download Submit
C:\Users\Admin\AppData\Local\Temp\muw2cmnr.0.vb

Filesize
14KB

MD5
262177e533b6199633e941d190d2bf90

SHA1
4efafa65fd4b94f0d87340813c321bba7dadee08

SHA256
351a8ca7c4ef27e8a7e8eb8a3e09ec72c75c7e4e504996bf56e8f741ab7580dc

SHA512
8c63f328e5476f8a29bc62d2e3fbffa39498fd6e662f5a7c23e468daa5d24d43abd9a71617cbcf3be23037f895580951931ff0e4a51d727f5e3b0739e54bb914

Download Submit
C:\Users\Admin\AppData\Local\Temp\muw2cmnr.cmdline

Filesize
266B

MD5
1eab2c79d3b92f1cba9681a7f3e61cc7

SHA1
46445b985e738bbbc752ce037ef5eaf1e66af189

SHA256
cbcd6fb2654bb4fd4650f759ffca88ca3064a11d0a84034428cbb0d1cc967227

SHA512
fcd0baa63deca2cb338d275fdc5ef9209b8251c558771865f5ef18924aaa3f2774ee1c30e18e9ec568c87d2a4dc932efdadc556cb91f6c0a0c195a3969a4e5c4

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF354.tmp.exe

Filesize
78KB

MD5
c325c0d44fda2d9471454118f219654a

SHA1
a84b5a47918aa1c7641114f19df8159fe817055a

SHA256
27e6ff5c398030d2a4e6b1847f756782c47bc8c8b432189348edb80382e5599c

SHA512
0e4cd52b69e5dd122d891a5b9015579c66892fd06f4cd5d79ce95da8a57d3622fada371afb1a0a01b25e11e0c3399eed936f1532514a5c482c9f8f4c690ad3fc

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcF5B4.tmp

Filesize
660B

MD5
46770450e69acdf93d03fd399050b49d

SHA1
16d92ebe03e1e1ca53f9ff0389547f5473a811b0

SHA256
b44e292aa93f4b9c554a961a10e21588b9742883727ce9ad61342ffae173434d

SHA512
b2fd1c2c874ff50e07b59b3fa75c1170b0dfb0858014712ab2a75ee5714bcf011a31a04dc4a8dbbe7ed21d8c49cbec4b95c452f6add771e985e07a9975574f38

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/2696-8-0x0000000074B00000-0x00000000750AB000-memory.dmp

Filesize
5.7MB

Download
memory/2696-18-0x0000000074B00000-0x00000000750AB000-memory.dmp

Filesize
5.7MB

Download
memory/2788-0-0x0000000074B01000-0x0000000074B02000-memory.dmp

Filesize
4KB

Download
memory/2788-1-0x0000000074B00000-0x00000000750AB000-memory.dmp

Filesize
5.7MB

Download
memory/2788-2-0x0000000074B00000-0x00000000750AB000-memory.dmp

Filesize
5.7MB

Download
memory/2788-24-0x0000000074B00000-0x00000000750AB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads