metamorpherrat | c49a0cf4ae467e5989ee6c5d7e4b0a2e61e42e29e7f1b399974218eb17a82be2

General

Target

c49a0cf4ae467e5989ee6c5d7e4b0a2e61e42e29e7f1b399974218eb17a82be2N.exe
Size

78KB
MD5

1a478e238e1e42b5b5cda9a8f9ff0c90
SHA1

3cbd77d399cfd906dade8254968b4459ae2da986
SHA256

c49a0cf4ae467e5989ee6c5d7e4b0a2e61e42e29e7f1b399974218eb17a82be2
SHA512

2f0cb3ec7e9500b4c5cb21567758e2f31b47fef44a7f0da76b835d45c796529afb4759efc51a33bbddfcb7bcd95ff5f5c1d91f92b66a70a1f63a8187a0b01b98
SSDEEP

1536:V5jSAXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtN6V9/FE1dA:V5jS4SyRxvhTzXPvCbW2U+9/J

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
2840	tmp9905.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2648	c49a0cf4ae467e5989ee6c5d7e4b0a2e61e42e29e7f1b399974218eb17a82be2N.exe
2648	c49a0cf4ae467e5989ee6c5d7e4b0a2e61e42e29e7f1b399974218eb17a82be2N.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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmp9905.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	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp9905.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c49a0cf4ae467e5989ee6c5d7e4b0a2e61e42e29e7f1b399974218eb17a82be2N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2648	c49a0cf4ae467e5989ee6c5d7e4b0a2e61e42e29e7f1b399974218eb17a82be2N.exe
Token: SeDebugPrivilege	2840	tmp9905.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2420	2648	c49a0cf4ae467e5989ee6c5d7e4b0a2e61e42e29e7f1b399974218eb17a82be2N.exe	30
PID 2648 wrote to memory of 2420	2648	c49a0cf4ae467e5989ee6c5d7e4b0a2e61e42e29e7f1b399974218eb17a82be2N.exe	30
PID 2648 wrote to memory of 2420	2648	c49a0cf4ae467e5989ee6c5d7e4b0a2e61e42e29e7f1b399974218eb17a82be2N.exe	30
PID 2648 wrote to memory of 2420	2648	c49a0cf4ae467e5989ee6c5d7e4b0a2e61e42e29e7f1b399974218eb17a82be2N.exe	30
PID 2420 wrote to memory of 2660	2420	vbc.exe	32
PID 2420 wrote to memory of 2660	2420	vbc.exe	32
PID 2420 wrote to memory of 2660	2420	vbc.exe	32
PID 2420 wrote to memory of 2660	2420	vbc.exe	32
PID 2648 wrote to memory of 2840	2648	c49a0cf4ae467e5989ee6c5d7e4b0a2e61e42e29e7f1b399974218eb17a82be2N.exe	33
PID 2648 wrote to memory of 2840	2648	c49a0cf4ae467e5989ee6c5d7e4b0a2e61e42e29e7f1b399974218eb17a82be2N.exe	33
PID 2648 wrote to memory of 2840	2648	c49a0cf4ae467e5989ee6c5d7e4b0a2e61e42e29e7f1b399974218eb17a82be2N.exe	33
PID 2648 wrote to memory of 2840	2648	c49a0cf4ae467e5989ee6c5d7e4b0a2e61e42e29e7f1b399974218eb17a82be2N.exe	33

C:\Users\Admin\AppData\Local\Temp\c49a0cf4ae467e5989ee6c5d7e4b0a2e61e42e29e7f1b399974218eb17a82be2N.exe
"C:\Users\Admin\AppData\Local\Temp\c49a0cf4ae467e5989ee6c5d7e4b0a2e61e42e29e7f1b399974218eb17a82be2N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2648
- 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\ehtdybrt.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2420
- - 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\RES9B18.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc9B17.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2660
- C:\Users\Admin\AppData\Local\Temp\tmp9905.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp9905.tmp.exe" C:\Users\Admin\AppData\Local\Temp\c49a0cf4ae467e5989ee6c5d7e4b0a2e61e42e29e7f1b399974218eb17a82be2N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2840

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\RES9B18.tmp

Filesize
1KB

MD5
da892636fed3abfdec58b1caf0f5b954

SHA1
6021737418a121e9e7207ce872f487b24d5a00d5

SHA256
f5c3c1caf2c21a54e4351d359101272912c15350635033c3590365e80e152355

SHA512
7928b6749aacfcd50d779b8f41aa75fcf603d9bb1b327ccc5152cbb5aa47c31b43aba9927e8f8931ccbaa20b2f447d8b020392fd638760f70b089b9a30f95c14

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

Filesize
14KB

MD5
5d457debcdf62fc8f9213963f56489b4

SHA1
ec6374e4c00ad6883093db819d16db5364345270

SHA256
2c050b0c5e7dbd31abe0de94328b502ef5ad21c840b3c9f9933e9a82c620630e

SHA512
9480910fb3cacb826cee05730010619641befcee9f7663c603556eaac3d656bb49e47ac19619391134b8f165a7cfd88da9ceb1d866b7197a1e4e8de45853246c

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

Filesize
266B

MD5
8e1bd7706f2676353838e31297eb37f7

SHA1
9855644972f4049bb6cd36bb2da657ced7392bf3

SHA256
07a05d769b101c650310b8a71a9e2ac7396b7208eef6fca2c2f9e68ad28f8cd8

SHA512
a50872384619a3c86229d562dd871046295b3817fb99b1dfafa47dd032f0197f57cd625c11e035d97b01f3ca14eca38e8ed53f3950c6ceef24544289ffecdfee

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9905.tmp.exe

Filesize
78KB

MD5
1a30bfd7396354255b5952fdfb2a3082

SHA1
99f92c253261db9a308c820547474b6d63c6072d

SHA256
ab9d12289762d4d27d55c0d55d7f5081155a429294fc92deaf30e42a18843454

SHA512
a04aadb5fbe8aae7431d043045e0fcb2981fdb36fc717beb23c6f86900278dccb827ad3a91ddf3f8ee68d0b0c14817495aba5d19f6ccbd06b5145bcf66d5b2e1

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc9B17.tmp

Filesize
660B

MD5
3f517ae124cf974a619a0df33f750257

SHA1
1e2a89d80dd3b32c009671a3d75d0df5183d7a6e

SHA256
279531359ffeefcacbed32b4b6ce80336dc64ad5dbdd67826bef77ede712b984

SHA512
07640358f82822141a955c09102b8bad83924c1326c02da34cd3cc4f359683ebb5861173c9707819cf31ba2efc216edd63e0505f72f42fb22adf5e671fc17805

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/2420-8-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/2420-18-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/2648-0-0x0000000074AD1000-0x0000000074AD2000-memory.dmp

Filesize
4KB

Download
memory/2648-1-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/2648-2-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/2648-23-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads