metamorpherrat | 2523b511291f97d7805de0d8e258f069a08fc27e9adb07310f42f3d3feb58be0

General

Target

2523b511291f97d7805de0d8e258f069a08fc27e9adb07310f42f3d3feb58be0.exe
Size

78KB
MD5

23b21119a60e8c2ff38814c1b6a5e10a
SHA1

f94a1fe269170fc4d2bce2cbd4b76146853029a6
SHA256

2523b511291f97d7805de0d8e258f069a08fc27e9adb07310f42f3d3feb58be0
SHA512

e34141db8f24c41a4c323ef20b4a9c0b54fd678b4f31c447dcffe7e96d1934011209c032b6a6f401ab3369f7e0023f60796f38a19c34a8372211e20e41a48e72
SSDEEP

1536:LhRWV58wXT0XRhyRjVf3znOJTv3lcUK/+dWzCP7oYTcSQt9679/k1Y9:dRWV58oSyRxvY3md+dWWZy89/t

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
2812	tmp498E.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2640	2523b511291f97d7805de0d8e258f069a08fc27e9adb07310f42f3d3feb58be0.exe
2640	2523b511291f97d7805de0d8e258f069a08fc27e9adb07310f42f3d3feb58be0.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\ShFusRes = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\big5.exe\""	tmp498E.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	tmp498E.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2523b511291f97d7805de0d8e258f069a08fc27e9adb07310f42f3d3feb58be0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2640	2523b511291f97d7805de0d8e258f069a08fc27e9adb07310f42f3d3feb58be0.exe
Token: SeDebugPrivilege	2812	tmp498E.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2640 wrote to memory of 2752	2640	2523b511291f97d7805de0d8e258f069a08fc27e9adb07310f42f3d3feb58be0.exe	30
PID 2640 wrote to memory of 2752	2640	2523b511291f97d7805de0d8e258f069a08fc27e9adb07310f42f3d3feb58be0.exe	30
PID 2640 wrote to memory of 2752	2640	2523b511291f97d7805de0d8e258f069a08fc27e9adb07310f42f3d3feb58be0.exe	30
PID 2640 wrote to memory of 2752	2640	2523b511291f97d7805de0d8e258f069a08fc27e9adb07310f42f3d3feb58be0.exe	30
PID 2752 wrote to memory of 2652	2752	vbc.exe	32
PID 2752 wrote to memory of 2652	2752	vbc.exe	32
PID 2752 wrote to memory of 2652	2752	vbc.exe	32
PID 2752 wrote to memory of 2652	2752	vbc.exe	32
PID 2640 wrote to memory of 2812	2640	2523b511291f97d7805de0d8e258f069a08fc27e9adb07310f42f3d3feb58be0.exe	33
PID 2640 wrote to memory of 2812	2640	2523b511291f97d7805de0d8e258f069a08fc27e9adb07310f42f3d3feb58be0.exe	33
PID 2640 wrote to memory of 2812	2640	2523b511291f97d7805de0d8e258f069a08fc27e9adb07310f42f3d3feb58be0.exe	33
PID 2640 wrote to memory of 2812	2640	2523b511291f97d7805de0d8e258f069a08fc27e9adb07310f42f3d3feb58be0.exe	33

C:\Users\Admin\AppData\Local\Temp\2523b511291f97d7805de0d8e258f069a08fc27e9adb07310f42f3d3feb58be0.exe
"C:\Users\Admin\AppData\Local\Temp\2523b511291f97d7805de0d8e258f069a08fc27e9adb07310f42f3d3feb58be0.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2640
- 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\ygvsjwgg.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2752
- - 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\RES4BC1.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc4BC0.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2652
- C:\Users\Admin\AppData\Local\Temp\tmp498E.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp498E.tmp.exe" C:\Users\Admin\AppData\Local\Temp\2523b511291f97d7805de0d8e258f069a08fc27e9adb07310f42f3d3feb58be0.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2812

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\RES4BC1.tmp

Filesize
1KB

MD5
d697de7f2be5d3a8a67256ddc331c699

SHA1
5c1c25fa05a0c50c3b49ea91ef9a883df64138fe

SHA256
3826c97dad605e4573da7a7e85fb260fc5cf574d2893f441b3bd18572bd04c25

SHA512
79dd37f2df17d0158894ed1c1d11da4cced01c8aafa2b505290b0e3dea18c14ea29bc2b0ac93a8ef33fc8999018d8b705937c4489f28ff15d545a65b36bd381e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp498E.tmp.exe

Filesize
78KB

MD5
320f0ac4893081b7079588f8a5f1a8ab

SHA1
61d4db991528cdf225097960c148135de122408d

SHA256
2d4f4ab924057cff49f84c9d1e01ce2c0e012f8789689501c3d38000f2bd8592

SHA512
99919ae38c034487c4c82daeefe4cde714899d51fc9d46e2871c8a404691e85f7cad4c204dc3a830a46fc69dfe24f254bb13caf8b1ece5656c364ef65db0333c

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc4BC0.tmp

Filesize
660B

MD5
09110cd4430cebc5139fddfe8fcd3d40

SHA1
814dde9e2ab1101dd8459763437602cbfac4a7a3

SHA256
d01b2548f4a7fe8741e75d9bd9fc23de3f70aef31ae0f0f6fae3181ac7dfcd48

SHA512
eaa45167033a8fa4cf15b62c1e1d4502bb3523e17d0a696343dc3006fe490023900c4d0ba15c0f0fc7fe0fbcf23bb52f3b3d5c432700d16324e1b672089cfba1

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

Filesize
14KB

MD5
205a6258cfe61bf34754cee39adb63c3

SHA1
4aa45c63eb17c20b8db6e273825e1a1b029142bc

SHA256
deb69172b2bb89d317886ffeecb4a207e42778ca596ad3db5343685b8f63798f

SHA512
f7032d8ec391e8552a6fb97d3314252767b91524b1430ba41d5c5be11abb326e5d5d8b5470086631f77cf16c59b54bf2f836fa81d146d7a7e585192f19273dda

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

Filesize
266B

MD5
e370116d2bed6e177278571a1fdd3ae5

SHA1
5a8e4c1399ee12250131b05da9057ad403df329c

SHA256
4e3a815a8378a9aa7b82b172564e3208f499c4253f70e92bdc1340a26ceb50af

SHA512
7e5f5908c12c63cee8fde3804f2db263bab8111382e12ff15314312d9028e46c4eaec6e2c053e5266aa6cfaf9f3095197e4b4b96e13f469fd7408ad6d736a263

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

Filesize
62KB

MD5
4f0e8cf79edb6cd381474b21cabfdf4a

SHA1
7018c96b4c5dab7957d4bcdc82c1e7bb3a4f80c4

SHA256
e54a257fa391065c120f55841de8c11116ea0e601d90fe1a35dcd340c5dd9cd5

SHA512
2451a59d09464e30d0df822d9322dbecb83faa92c5a5b71b7b9db62330c40cc7570d66235f137290074a3c4a9f3d8b3447067ed135f1bb60ea9e18d0df39a107

Download Submit
memory/2640-0-0x0000000074621000-0x0000000074622000-memory.dmp

Filesize
4KB

Download
memory/2640-1-0x0000000074620000-0x0000000074BCB000-memory.dmp

Filesize
5.7MB

Download
memory/2640-2-0x0000000074620000-0x0000000074BCB000-memory.dmp

Filesize
5.7MB

Download
memory/2640-24-0x0000000074620000-0x0000000074BCB000-memory.dmp

Filesize
5.7MB

Download
memory/2752-8-0x0000000074620000-0x0000000074BCB000-memory.dmp

Filesize
5.7MB

Download
memory/2752-18-0x0000000074620000-0x0000000074BCB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads