metamorpherrat | a59959c6d804ba6f730193f75ee4bdd8625e63dca1303b14399887dab7fcc3d9

General

Target

21edcce49c3da086da295a21d59398f0N.exe
Size

78KB
MD5

21edcce49c3da086da295a21d59398f0
SHA1

4881de423b801ba00838374f8338303d3d6dbe28
SHA256

a59959c6d804ba6f730193f75ee4bdd8625e63dca1303b14399887dab7fcc3d9
SHA512

4d7903a9b24343bfd3e95bccb1d21a5f32f3328b5c8bfc152f4dedb86a2b3fc390a25d69f4d5c5b9d41149f154b8df2b9b547f5caf7f376efa5d24df1bd41c64
SSDEEP

1536:v5jSeXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtN6f9/C1cI:v5jSWSyRxvhTzXPvCbW2UU9/2

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
1708	tmpDE1F.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
1708	tmpDE1F.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2476	21edcce49c3da086da295a21d59398f0N.exe
2476	21edcce49c3da086da295a21d59398f0N.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmpDE1F.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	tmpDE1F.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	21edcce49c3da086da295a21d59398f0N.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	2476	21edcce49c3da086da295a21d59398f0N.exe
Token: SeDebugPrivilege	1708	tmpDE1F.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2476 wrote to memory of 1728	2476	21edcce49c3da086da295a21d59398f0N.exe	31
PID 2476 wrote to memory of 1728	2476	21edcce49c3da086da295a21d59398f0N.exe	31
PID 2476 wrote to memory of 1728	2476	21edcce49c3da086da295a21d59398f0N.exe	31
PID 2476 wrote to memory of 1728	2476	21edcce49c3da086da295a21d59398f0N.exe	31
PID 1728 wrote to memory of 2348	1728	vbc.exe	33
PID 1728 wrote to memory of 2348	1728	vbc.exe	33
PID 1728 wrote to memory of 2348	1728	vbc.exe	33
PID 1728 wrote to memory of 2348	1728	vbc.exe	33
PID 2476 wrote to memory of 1708	2476	21edcce49c3da086da295a21d59398f0N.exe	34
PID 2476 wrote to memory of 1708	2476	21edcce49c3da086da295a21d59398f0N.exe	34
PID 2476 wrote to memory of 1708	2476	21edcce49c3da086da295a21d59398f0N.exe	34
PID 2476 wrote to memory of 1708	2476	21edcce49c3da086da295a21d59398f0N.exe	34

C:\Users\Admin\AppData\Local\Temp\21edcce49c3da086da295a21d59398f0N.exe
"C:\Users\Admin\AppData\Local\Temp\21edcce49c3da086da295a21d59398f0N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2476
- 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\1_6gpkh0.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1728
- - 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\RESDF58.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcDF57.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2348
- C:\Users\Admin\AppData\Local\Temp\tmpDE1F.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpDE1F.tmp.exe" C:\Users\Admin\AppData\Local\Temp\21edcce49c3da086da295a21d59398f0N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1708

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\1_6gpkh0.0.vb

Filesize
14KB

MD5
e780977fc455ea18b2f5ee2fce03d7d6

SHA1
2740ce4520facc6a776e0984edf2f261710f8a9c

SHA256
efdab059c09d03ebc14a556f1b8412f13ebe4b1ee1c9927e811387b325adb3c5

SHA512
50cf6fa5dead902be7ad2aa73e841f5db62eabe40494056be32b5eb13e505d5be8a97f68a9792bf02b8a4099ce371571822f9053b812eb83c52ce242fba3ce06

Download Submit
C:\Users\Admin\AppData\Local\Temp\1_6gpkh0.cmdline

Filesize
266B

MD5
bbb822480c1b360a447271dc81a6c265

SHA1
4c594fa2acc2dd171dd82aad354165f3c55845e5

SHA256
cf8f71d2fbc586b4b6fa9089b4ad76dd1f7e96dd7c7b81450baf1b8a3d804b7d

SHA512
0a2d98405d754ba4eb431818590a9762ca15092a6032513f47bbfcdcca7427dbddc5fdf7d9faad8bcb3f98d30569a0e5326974001679e50d2ceb9682d27af444

Download Submit
C:\Users\Admin\AppData\Local\Temp\RESDF58.tmp

Filesize
1KB

MD5
b13fd69cb7480537b7f3b9c6fa712d91

SHA1
506e70f437a0857f93f50517ec94320f415e46ee

SHA256
7ae330451e389e8d61f6e10a0faf13e4a37b60503bddffd383d53a8127294e29

SHA512
14592138a68953cbd663c0f4f917a193fd289b800507e444e65eb6251d36a02e3494c63a2d4bd7457d05c9d78c976e5195af28d72c929f4dc28f55c37f984a8d

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDE1F.tmp.exe

Filesize
78KB

MD5
628cf65fdc74c8a308138ef25ca2effe

SHA1
7b8bec22eb54e28c29ceeec34a111bf00d415a1b

SHA256
841d37447314c0bd061ad0a916b7a1167a0acd5a40cdf4df798f25a6b13aa43c

SHA512
bd9fbabb1d8df81ac63f211fd66852e7d7796adac187411717212e398f50999db12fc3ecacfdc262f34432f02cfc7730e91a4eed2e9af8f602e077b7d48de3c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcDF57.tmp

Filesize
660B

MD5
8dfdf969c5432865bbb597241c546c5d

SHA1
fd5b53c06c09adef98df19f6f58384966c03a53d

SHA256
4fe89da05ee9c75a231ead41daa7eaaec0f1816a400ffca832eb985d868d0547

SHA512
2ceced7b112719707b334ce83b46b6667aa183e039695d1cc55799a08ab58180422318c49ae2cd2b39d7575ba6146745d79b221ea7cd375e304122aa601a0d21

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/1728-9-0x00000000746A0000-0x0000000074C4B000-memory.dmp

Filesize
5.7MB

Download
memory/1728-18-0x00000000746A0000-0x0000000074C4B000-memory.dmp

Filesize
5.7MB

Download
memory/2476-0-0x00000000746A1000-0x00000000746A2000-memory.dmp

Filesize
4KB

Download
memory/2476-1-0x00000000746A0000-0x0000000074C4B000-memory.dmp

Filesize
5.7MB

Download
memory/2476-2-0x00000000746A0000-0x0000000074C4B000-memory.dmp

Filesize
5.7MB

Download
memory/2476-24-0x00000000746A0000-0x0000000074C4B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads