metamorpherrat | c3d3107b5d697f082171672c58a332293567beb9b911908cfa2c4c3ac659ad02

General

Target

PWS.MSIL.Mintluks.exe
Size

78KB
MD5

88b81c24ef92117f4282d8512f634ed0
SHA1

c8d33ee71ea8d894174a007539c9e53d31dd92aa
SHA256

c3d3107b5d697f082171672c58a332293567beb9b911908cfa2c4c3ac659ad02
SHA512

3fdadae40ec0637b75ea1f4d73beb5154e0ba1e40ec07629f70fac84598b01c201ce64ce59d3a6d1e03df68ea086533cb016c9a5fd491d10cf9ff6f666ecf58c
SSDEEP

1536:zPy5UXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtC6A9/d1LD:zPy5MSyRxvhTzXPvCbW2UY9/3

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
2748	tmp87D5.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2100	PWS.MSIL.Mintluks.exe
2100	PWS.MSIL.Mintluks.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmp87D5.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	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp87D5.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PWS.MSIL.Mintluks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2100	PWS.MSIL.Mintluks.exe
Token: SeDebugPrivilege	2748	tmp87D5.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 1264	2100	PWS.MSIL.Mintluks.exe	30
PID 2100 wrote to memory of 1264	2100	PWS.MSIL.Mintluks.exe	30
PID 2100 wrote to memory of 1264	2100	PWS.MSIL.Mintluks.exe	30
PID 2100 wrote to memory of 1264	2100	PWS.MSIL.Mintluks.exe	30
PID 1264 wrote to memory of 2792	1264	vbc.exe	32
PID 1264 wrote to memory of 2792	1264	vbc.exe	32
PID 1264 wrote to memory of 2792	1264	vbc.exe	32
PID 1264 wrote to memory of 2792	1264	vbc.exe	32
PID 2100 wrote to memory of 2748	2100	PWS.MSIL.Mintluks.exe	33
PID 2100 wrote to memory of 2748	2100	PWS.MSIL.Mintluks.exe	33
PID 2100 wrote to memory of 2748	2100	PWS.MSIL.Mintluks.exe	33
PID 2100 wrote to memory of 2748	2100	PWS.MSIL.Mintluks.exe	33

C:\Users\Admin\AppData\Local\Temp\PWS.MSIL.Mintluks.exe
"C:\Users\Admin\AppData\Local\Temp\PWS.MSIL.Mintluks.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2100
- 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\myvknnz4.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1264
- - 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\RES890E.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc890D.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2792
- C:\Users\Admin\AppData\Local\Temp\tmp87D5.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp87D5.tmp.exe" C:\Users\Admin\AppData\Local\Temp\PWS.MSIL.Mintluks.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2748

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\RES890E.tmp

Filesize
1KB

MD5
4265f49ba29fef2ad071b9e5c107005d

SHA1
7a776ea6e479985bd6190d3f50df3bcf91716917

SHA256
5d83ae47458e1d08c95afdc427bd37b2e0b62255e4682a1f219c921c3edfdadd

SHA512
9015c4dd1658573907f6a41c7dcfac1a279c21deecce7bbba4d1e1e3b729639f7a6036d265aea9f6b29bb24556bfc566433a6c02fe0a4749d8b4160573dd8d91

Download Submit
C:\Users\Admin\AppData\Local\Temp\myvknnz4.0.vb

Filesize
14KB

MD5
fd5559d123dfc17bf5f0b7ca59224fae

SHA1
a2cfb170e57dc368a17b4ef53a3db057e09f48cb

SHA256
83ebb70d7045287d3a437aaca740fb38d0e2e21725b9290fbd82aaacc5e5c24c

SHA512
1560c7ba56326403ce8206ad986efc753fbbe825d5fa3d81f1694f664c16293ea2faa48d4edd7e1d758f245c84c1274f0b08c6b127917f047484d2d964bcfc93

Download Submit
C:\Users\Admin\AppData\Local\Temp\myvknnz4.cmdline

Filesize
266B

MD5
8930d24fa00d9a9ca120db18743d7b81

SHA1
e5556a2096466fe1748e91262e803655c8063daa

SHA256
13b4bfc58c0b35936adfbe47b7c7daeb72b7788f5b3f2ab85b996575a0d7694c

SHA512
9b02c4e8d8a8bc71c5125a412137d156cde75c69dcd52f044e0bcc973df17f2354977a639fd689267d4ee596fc56b7554c1c91327a76171741d81e0e40882b3e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp87D5.tmp.exe

Filesize
78KB

MD5
faac3a9678b37fc091e766b0159f377a

SHA1
a06e0fec0bbf7339066169aaa8f07e30ae288198

SHA256
747b3fb5fbddafe7867627f65aea94cdbd8d3409b85e54f5959000a74c11e85a

SHA512
ac66ff03eab54b4ddcff7d7cf02187a067832bcc0e46bff33032cd79d3758f22ce003ff574c98f9fc04e633fdd6e274c2b1bdfc823f7ce3405721b7cd77ef1d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc890D.tmp

Filesize
660B

MD5
beffb7fd843b240eec326f101ca16945

SHA1
94db25a930bb1ace8b6828518010ad26c96568ec

SHA256
cceb7b718deff6ad698a7f434e6fca6438561e9eafe2a89f6a16bb1069854fe4

SHA512
ccafd06a1f626bc5c333262ec9b76ab9c6e6ea8b02f49b711df613f8af13bab6689a32a55abfb25022f5768b5d31014e253a160c9353bd7f7f7f802ad5f9bb25

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/1264-8-0x00000000749F0000-0x0000000074F9B000-memory.dmp

Filesize
5.7MB

Download
memory/1264-18-0x00000000749F0000-0x0000000074F9B000-memory.dmp

Filesize
5.7MB

Download
memory/2100-0-0x00000000749F1000-0x00000000749F2000-memory.dmp

Filesize
4KB

Download
memory/2100-1-0x00000000749F0000-0x0000000074F9B000-memory.dmp

Filesize
5.7MB

Download
memory/2100-2-0x00000000749F0000-0x0000000074F9B000-memory.dmp

Filesize
5.7MB

Download
memory/2100-24-0x00000000749F0000-0x0000000074F9B000-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