metamorpherrat | 1a1c4c990762c5aef44db67efe75f746ee001b6ebade7c8ef7433f6bc56b4c8b

General

Target

1a1c4c990762c5aef44db67efe75f746ee001b6ebade7c8ef7433f6bc56b4c8b.exe
Size

78KB
MD5

0af4f6be4d22097e9ccdd9817b460c13
SHA1

e552637da7de7854707f69e08563e0c2f4173150
SHA256

1a1c4c990762c5aef44db67efe75f746ee001b6ebade7c8ef7433f6bc56b4c8b
SHA512

4844f54f73b1c4fd60649dc4d9aa1cad9862504887e0ca119db976f67b6445c1f5a4d6e693d2030e6d819892f22bc75a9f44979794832974e4602244df32a1c9
SSDEEP

1536:OhPWV5jLXT0XRhyRjVf3znOJTv3lcUK/+dWzCP7oYTcSQt961C9/yR1D1x:qPWV5jLSyRxvY3md+dWWZyGC9/Ex

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
2936	tmp1F92.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2952	1a1c4c990762c5aef44db67efe75f746ee001b6ebade7c8ef7433f6bc56b4c8b.exe
2952	1a1c4c990762c5aef44db67efe75f746ee001b6ebade7c8ef7433f6bc56b4c8b.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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\ShFusRes = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\big5.exe\""	tmp1F92.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	1a1c4c990762c5aef44db67efe75f746ee001b6ebade7c8ef7433f6bc56b4c8b.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	tmp1F92.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2952	1a1c4c990762c5aef44db67efe75f746ee001b6ebade7c8ef7433f6bc56b4c8b.exe
Token: SeDebugPrivilege	2936	tmp1F92.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2952 wrote to memory of 2756	2952	1a1c4c990762c5aef44db67efe75f746ee001b6ebade7c8ef7433f6bc56b4c8b.exe	30
PID 2952 wrote to memory of 2756	2952	1a1c4c990762c5aef44db67efe75f746ee001b6ebade7c8ef7433f6bc56b4c8b.exe	30
PID 2952 wrote to memory of 2756	2952	1a1c4c990762c5aef44db67efe75f746ee001b6ebade7c8ef7433f6bc56b4c8b.exe	30
PID 2952 wrote to memory of 2756	2952	1a1c4c990762c5aef44db67efe75f746ee001b6ebade7c8ef7433f6bc56b4c8b.exe	30
PID 2756 wrote to memory of 2808	2756	vbc.exe	32
PID 2756 wrote to memory of 2808	2756	vbc.exe	32
PID 2756 wrote to memory of 2808	2756	vbc.exe	32
PID 2756 wrote to memory of 2808	2756	vbc.exe	32
PID 2952 wrote to memory of 2936	2952	1a1c4c990762c5aef44db67efe75f746ee001b6ebade7c8ef7433f6bc56b4c8b.exe	33
PID 2952 wrote to memory of 2936	2952	1a1c4c990762c5aef44db67efe75f746ee001b6ebade7c8ef7433f6bc56b4c8b.exe	33
PID 2952 wrote to memory of 2936	2952	1a1c4c990762c5aef44db67efe75f746ee001b6ebade7c8ef7433f6bc56b4c8b.exe	33
PID 2952 wrote to memory of 2936	2952	1a1c4c990762c5aef44db67efe75f746ee001b6ebade7c8ef7433f6bc56b4c8b.exe	33

C:\Users\Admin\AppData\Local\Temp\1a1c4c990762c5aef44db67efe75f746ee001b6ebade7c8ef7433f6bc56b4c8b.exe
"C:\Users\Admin\AppData\Local\Temp\1a1c4c990762c5aef44db67efe75f746ee001b6ebade7c8ef7433f6bc56b4c8b.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2952
- 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\rjpm1pbf.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2756
- - 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\RES21B5.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc21B4.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2808
- C:\Users\Admin\AppData\Local\Temp\tmp1F92.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp1F92.tmp.exe" C:\Users\Admin\AppData\Local\Temp\1a1c4c990762c5aef44db67efe75f746ee001b6ebade7c8ef7433f6bc56b4c8b.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2936

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\RES21B5.tmp

Filesize
1KB

MD5
a344388fa7e170a76c4ab01bd6955631

SHA1
0386c618474c6af105faec7ed629cb1f00ed0e66

SHA256
c7938fa5fec761f61eb6401f62c07e3faf4d201e255598bf72a174c7ca3ef6b9

SHA512
cbce88778c0b7e670172b7ba04506f8ab858e89ead8cd6bf0c802685bed5dc72ed086424914e32c4d9170bba1233fcf2a604c2afbafa594ec108a5b6e009980d

Download Submit
C:\Users\Admin\AppData\Local\Temp\rjpm1pbf.0.vb

Filesize
14KB

MD5
9fa13895363b7265c517be2134e4eb33

SHA1
e9252e9203550156c3d23f3a167f97f732fb10d6

SHA256
bf64583562db96b272ec6d112788b0199f03fab5242455835551a5297c0b9243

SHA512
d1f2322d77c393d22cc6683b947776e3e5c8a277376700a3214ce4213159b6c268e41ce5127bc3c6268970a3c20d947c06cd1cb425d261e36dbfb39b10a6ff33

Download Submit
C:\Users\Admin\AppData\Local\Temp\rjpm1pbf.cmdline

Filesize
266B

MD5
ad761173f84e90544abed0b036378474

SHA1
385e3ecf43a55594f3247e4c33b5cb86d93f3401

SHA256
cdde3dda3f918ba8cff161a369cb4c9d9c5433363fca6fa0c42d968f140b588f

SHA512
b8858ffac36bd6376bd68146b4556686afcd5d773c405b385396913cc219f8e3b99bbabe1df20e993401c441d0c3868f7bfb2cf92cf8f6b53cc73da17226d3b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1F92.tmp.exe

Filesize
78KB

MD5
fc22d2d185767ffc5a835048200d1b27

SHA1
74cbb0c465f146edc71423e9a7d49f47ad7b3c72

SHA256
33c847dd662c2264d8512a1b87afc315713e7ac771604d53d289373eb1046830

SHA512
8d2758ec14d11880f807b808365b3c4cb3ce5103baee5738c77f8b6976c3f7a5c47587882949a2a3167eec44de8c661c7f81d186121cda569057d2be73b5e99c

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc21B4.tmp

Filesize
660B

MD5
80ebc6a130e863cfa8619aa150e81a10

SHA1
561cf303f8b1e16ba8957ea27ab407434cbcfb4d

SHA256
1b95147bbbb256ece081ad4f16d490350aa3fd73752329ee059c219221f3086e

SHA512
6e1776eceac8fe730258339a7943f26a2d06531335b87df9795d161832fd1df967e020f69ea62da282e223a5728bac552c8282b53d83cc3d7655c10a2e93e704

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

Filesize
62KB

MD5
4f0e8cf79edb6cd381474b21cabfdf4a

SHA1
7018c96b4c5dab7957d4bcdc82c1e7bb3a4f80c4

SHA256
e54a257fa391065c120f55841de8c11116ea0e601d90fe1a35dcd340c5dd9cd5

SHA512
2451a59d09464e30d0df822d9322dbecb83faa92c5a5b71b7b9db62330c40cc7570d66235f137290074a3c4a9f3d8b3447067ed135f1bb60ea9e18d0df39a107

Download Submit
memory/2756-8-0x0000000074410000-0x00000000749BB000-memory.dmp

Filesize
5.7MB

Download
memory/2756-18-0x0000000074410000-0x00000000749BB000-memory.dmp

Filesize
5.7MB

Download
memory/2952-0-0x0000000074411000-0x0000000074412000-memory.dmp

Filesize
4KB

Download
memory/2952-1-0x0000000074410000-0x00000000749BB000-memory.dmp

Filesize
5.7MB

Download
memory/2952-3-0x0000000074410000-0x00000000749BB000-memory.dmp

Filesize
5.7MB

Download
memory/2952-24-0x0000000074410000-0x00000000749BB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads