metamorpherrat | dec8e32fd5df89f225fb6636754bb64f89a5f13aab9c86ead97a8c3d0da85281

General

Target

dec8e32fd5df89f225fb6636754bb64f89a5f13aab9c86ead97a8c3d0da85281N.exe
Size

78KB
MD5

77db9ca347d27529c84880d61c5224c0
SHA1

fe0af9bb2832c266e870445ecfff177f08666bd0
SHA256

dec8e32fd5df89f225fb6636754bb64f89a5f13aab9c86ead97a8c3d0da85281
SHA512

1597c24a81d5ab6ff05e6d3ba9668b004d1b89bc127b0e53ef9c4cf3061dd5e6bf5c9655e1d293d60886d78ab06b6633e7635f45f5b8017485a871a95ec8de41
SSDEEP

1536:3c5XXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtN6H9/E1xh:3c5HSyRxvhTzXPvCbW2Ug9/a

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	dec8e32fd5df89f225fb6636754bb64f89a5f13aab9c86ead97a8c3d0da85281N.exe

Deletes itself 1 IoCs

pid	Process
4856	tmpCB4F.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
4856	tmpCB4F.tmp.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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmpCB4F.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	dec8e32fd5df89f225fb6636754bb64f89a5f13aab9c86ead97a8c3d0da85281N.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	tmpCB4F.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5032	dec8e32fd5df89f225fb6636754bb64f89a5f13aab9c86ead97a8c3d0da85281N.exe
Token: SeDebugPrivilege	4856	tmpCB4F.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 5032 wrote to memory of 3264	5032	dec8e32fd5df89f225fb6636754bb64f89a5f13aab9c86ead97a8c3d0da85281N.exe	83
PID 5032 wrote to memory of 3264	5032	dec8e32fd5df89f225fb6636754bb64f89a5f13aab9c86ead97a8c3d0da85281N.exe	83
PID 5032 wrote to memory of 3264	5032	dec8e32fd5df89f225fb6636754bb64f89a5f13aab9c86ead97a8c3d0da85281N.exe	83
PID 3264 wrote to memory of 444	3264	vbc.exe	85
PID 3264 wrote to memory of 444	3264	vbc.exe	85
PID 3264 wrote to memory of 444	3264	vbc.exe	85
PID 5032 wrote to memory of 4856	5032	dec8e32fd5df89f225fb6636754bb64f89a5f13aab9c86ead97a8c3d0da85281N.exe	86
PID 5032 wrote to memory of 4856	5032	dec8e32fd5df89f225fb6636754bb64f89a5f13aab9c86ead97a8c3d0da85281N.exe	86
PID 5032 wrote to memory of 4856	5032	dec8e32fd5df89f225fb6636754bb64f89a5f13aab9c86ead97a8c3d0da85281N.exe	86

C:\Users\Admin\AppData\Local\Temp\dec8e32fd5df89f225fb6636754bb64f89a5f13aab9c86ead97a8c3d0da85281N.exe
"C:\Users\Admin\AppData\Local\Temp\dec8e32fd5df89f225fb6636754bb64f89a5f13aab9c86ead97a8c3d0da85281N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5032
- 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\ofkgokyv.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3264
- - 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\RESCD04.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcCB7164B611124D38925E9239B65A7381.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:444
- C:\Users\Admin\AppData\Local\Temp\tmpCB4F.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpCB4F.tmp.exe" C:\Users\Admin\AppData\Local\Temp\dec8e32fd5df89f225fb6636754bb64f89a5f13aab9c86ead97a8c3d0da85281N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4856

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

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\RESCD04.tmp

Filesize
1KB

MD5
795fceaea997afe537ce1e5e84808f99

SHA1
f308585cb6cb936a79f742d391d396f8e15c2991

SHA256
8751f6112b348ef81c837973ad598cb377b81a3781acc2389d7b128abb6a2f06

SHA512
f97612c17b6c44e7322de8cb202592e1a530b6820f6580810699870c3f686d4d6783e366fb90da1b1905788e6f5db9e4bfe5bc38f72b3831048f0798d7b91c2a

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

Filesize
14KB

MD5
f37e4e8d23ed120b8ff53bd30aa96213

SHA1
8aea86f12bea47e3ff50dd5865c1cdf2eca00fda

SHA256
e244c88986c3c86f3adaabdfe54e09e703015d6a16a29bfa6b5460cb30fb4038

SHA512
7fc9edbd9bc54a93592befc90f14cb6102b980011849df81bb4be110cb6a249bc4665bb4c062e31d4d491c9dbaa2dc615bb3090146ea2fd6a575716dd90d7029

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

Filesize
266B

MD5
63fc78365a63f5e2c695da136e21ea27

SHA1
6267ffc9d7ea14bf9f9d7bd0101f34f69a7fdd21

SHA256
0eaf760ef46c8a65219fadfe5330bbbc8f6eb9f7c8c26fdc155bda0c85a19370

SHA512
9fe566970c9659662f9c1153e7637014c31a0644a989a1f6bc35728077d4c93811dc4cd2d10a544501d77c6dcb3317855a06d2b19f102c9cc8e3c914a495cc4f

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCB4F.tmp.exe

Filesize
78KB

MD5
433793b0f582e0dc954a3a4b818917cb

SHA1
75bd73b04600f8a18f406f0c66ff0655cf8702e1

SHA256
6c65d3f63db6fece70856209ae3d6ae0df1644fcc3a84a6615b0d0cca8fce3d4

SHA512
ebf75f8e871ea9eb858183594cf9864c9a5f5e1204af7b31364887e9ee061f5a76b2f2cabbc2f81ad1a431ccf78deadc554d66e24322c2626ec76e1b28542ab9

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcCB7164B611124D38925E9239B65A7381.TMP

Filesize
660B

MD5
497b00def848323cd4f4b802de0b650d

SHA1
0098ad8664772c1b867dc84d90b25bd96967c080

SHA256
8bf6da422d0e30ed26e606aad78c4c05178efa22950c2dd27d3aa026afecd645

SHA512
0265bb50b8697f323ab2aa69fb81f01d53ebaf006be81f4dff54ada2d1ea8830a1a0c1db8a4c62ac7ea67705f362fe6f10a93940418a62b46c524cc32713b9db

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/3264-9-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/3264-18-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/4856-23-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/4856-24-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/4856-25-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/4856-27-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/4856-28-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/4856-29-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/5032-0-0x0000000074BB2000-0x0000000074BB3000-memory.dmp

Filesize
4KB

Download
memory/5032-22-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/5032-2-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/5032-1-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads