metamorpherrat | 1cfc7bf36f0e17320f0fb8e6e49218683be2ba4780600ff93839eac8f3f8e98c

General

Target

1cfc7bf36f0e17320f0fb8e6e49218683be2ba4780600ff93839eac8f3f8e98c.exe
Size

78KB
MD5

6cb619b009a286f68dfce4171424e880
SHA1

312c3964ff0cf4291a2063a7a047f75fc723b26e
SHA256

1cfc7bf36f0e17320f0fb8e6e49218683be2ba4780600ff93839eac8f3f8e98c
SHA512

5a0398983458f7845197d805259327776a0f97e918243a0c94e2907e13a2574fd42807d4606131ba3326c9b91edf98965dd22fd2ea3a3786cee336c0c21a724d
SSDEEP

1536:dHHM3xXT0XRhyRjVf3znOJTv3lcUK/+dWzCP7oYTcSQtH9/813t:dHs3xSyRxvY3md+dWWZyH9/Y

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

Executes dropped EXE 1 IoCs

pid	Process
2852	tmpCE57.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
1220	1cfc7bf36f0e17320f0fb8e6e49218683be2ba4780600ff93839eac8f3f8e98c.exe
1220	1cfc7bf36f0e17320f0fb8e6e49218683be2ba4780600ff93839eac8f3f8e98c.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-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\ShFusRes = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\big5.exe\""	tmpCE57.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	1cfc7bf36f0e17320f0fb8e6e49218683be2ba4780600ff93839eac8f3f8e98c.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	tmpCE57.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1220	1cfc7bf36f0e17320f0fb8e6e49218683be2ba4780600ff93839eac8f3f8e98c.exe
Token: SeDebugPrivilege	2852	tmpCE57.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1220 wrote to memory of 2932	1220	1cfc7bf36f0e17320f0fb8e6e49218683be2ba4780600ff93839eac8f3f8e98c.exe	30
PID 1220 wrote to memory of 2932	1220	1cfc7bf36f0e17320f0fb8e6e49218683be2ba4780600ff93839eac8f3f8e98c.exe	30
PID 1220 wrote to memory of 2932	1220	1cfc7bf36f0e17320f0fb8e6e49218683be2ba4780600ff93839eac8f3f8e98c.exe	30
PID 1220 wrote to memory of 2932	1220	1cfc7bf36f0e17320f0fb8e6e49218683be2ba4780600ff93839eac8f3f8e98c.exe	30
PID 2932 wrote to memory of 1624	2932	vbc.exe	32
PID 2932 wrote to memory of 1624	2932	vbc.exe	32
PID 2932 wrote to memory of 1624	2932	vbc.exe	32
PID 2932 wrote to memory of 1624	2932	vbc.exe	32
PID 1220 wrote to memory of 2852	1220	1cfc7bf36f0e17320f0fb8e6e49218683be2ba4780600ff93839eac8f3f8e98c.exe	33
PID 1220 wrote to memory of 2852	1220	1cfc7bf36f0e17320f0fb8e6e49218683be2ba4780600ff93839eac8f3f8e98c.exe	33
PID 1220 wrote to memory of 2852	1220	1cfc7bf36f0e17320f0fb8e6e49218683be2ba4780600ff93839eac8f3f8e98c.exe	33
PID 1220 wrote to memory of 2852	1220	1cfc7bf36f0e17320f0fb8e6e49218683be2ba4780600ff93839eac8f3f8e98c.exe	33

C:\Users\Admin\AppData\Local\Temp\1cfc7bf36f0e17320f0fb8e6e49218683be2ba4780600ff93839eac8f3f8e98c.exe
"C:\Users\Admin\AppData\Local\Temp\1cfc7bf36f0e17320f0fb8e6e49218683be2ba4780600ff93839eac8f3f8e98c.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1220
- 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\acgfj8_y.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2932
- - 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\RESCF80.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcCF7F.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1624
- C:\Users\Admin\AppData\Local\Temp\tmpCE57.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpCE57.tmp.exe" C:\Users\Admin\AppData\Local\Temp\1cfc7bf36f0e17320f0fb8e6e49218683be2ba4780600ff93839eac8f3f8e98c.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2852

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\RESCF80.tmp

Filesize
1KB

MD5
239a410eb645ca35d5d89939bdc281cd

SHA1
ddb3493f682dc8a9cd7699d4aa1bcbcb131f564a

SHA256
cdd4410c49b9f4829c9dc28815a47f0024310417d9f060e86f43db893a8a0785

SHA512
01717f1898ca3b321652d9d4b02430a27de4b1602477f4641e30839c7d0fdfca5b904f1be32cd90a10ef7da0c73f9b41d0292fb88afa55d1cc5c9734310b91a2

Download Submit
C:\Users\Admin\AppData\Local\Temp\acgfj8_y.0.vb

Filesize
15KB

MD5
2382fd51879755e759ec5b38064b0e10

SHA1
14631c79c993af09dc7fa2f9a95e082e5c5d68a2

SHA256
c036bea760ae6cbf96f8f38061741fec00a80a0737bc5e799a0918533be27c5c

SHA512
92b03317d1c1346e460e65cfe20f82a6c26d842dc4f528cb0b610050676ef44282e4e94076274d22b813f1fc523d8e5a00695cab9f2b86bddbfc145e20478d3d

Download Submit
C:\Users\Admin\AppData\Local\Temp\acgfj8_y.cmdline

Filesize
266B

MD5
e135a8e051f40de837674b2646bbfe27

SHA1
374a7cedc4e07b7bdd406e3f178cebb147ea4d77

SHA256
834318f41726087d7a8139b485b44b10406d65e14728dfd9f8bb8e449517db4a

SHA512
141a0df4762a13614bc0e4b569c4238fcfe1c3cbe28dd4ce84aaa1d227c92c8fa1c36da1ca5a053021342938be6c45513e8012a9a31c6dcd92c6e4c9ae45e853

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCE57.tmp.exe

Filesize
78KB

MD5
ac58585c0b0b6a1f2b0712ff85735242

SHA1
0446e704fd79e5d5438d3136dd2726bed3d5f227

SHA256
83cf7afefd0257b9d41b76248d85363d8e8a4da01f3c7e8c5ef9c8f1e0d62677

SHA512
3c36e6d9cb059f86ddcd494ac7922def2e9335e997842040b26e94f4aeeea8b9e4e59674035f0ff2b6baa820bb72a87aae0a2266b41ca3b3577a1139bb86fae6

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcCF7F.tmp

Filesize
660B

MD5
77a951796c5e1f0746d092346e7dad30

SHA1
05272317000df93503571616ca89ef1ac08cc9ab

SHA256
37ce0a0769fddefddd058fadea2347d7ed1f6c500dfeaa352a684328fe2113d1

SHA512
2dda1ea3f2bf8d0c4d86e9e13262ca0d3ab7838662a35fec5b670a3ea21e13f2844239cdc3f261ae26936e73a836094176aaa537db681e2bf5b2b9ac04267252

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

Filesize
62KB

MD5
4f0e8cf79edb6cd381474b21cabfdf4a

SHA1
7018c96b4c5dab7957d4bcdc82c1e7bb3a4f80c4

SHA256
e54a257fa391065c120f55841de8c11116ea0e601d90fe1a35dcd340c5dd9cd5

SHA512
2451a59d09464e30d0df822d9322dbecb83faa92c5a5b71b7b9db62330c40cc7570d66235f137290074a3c4a9f3d8b3447067ed135f1bb60ea9e18d0df39a107

Download Submit
memory/1220-0-0x00000000748A1000-0x00000000748A2000-memory.dmp

Filesize
4KB

Download
memory/1220-1-0x00000000748A0000-0x0000000074E4B000-memory.dmp

Filesize
5.7MB

Download
memory/1220-2-0x00000000748A0000-0x0000000074E4B000-memory.dmp

Filesize
5.7MB

Download
memory/1220-24-0x00000000748A0000-0x0000000074E4B000-memory.dmp

Filesize
5.7MB

Download
memory/2932-8-0x00000000748A0000-0x0000000074E4B000-memory.dmp

Filesize
5.7MB

Download
memory/2932-18-0x00000000748A0000-0x0000000074E4B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads