metamorpherrat | 83d1cbc1a21867cbe377c1f2cb7cacbab6603bf729b47633f5253093bca56f3d

General

Target

86d557db8f452fab4a25c34073830c90N.exe
Size

78KB
MD5

86d557db8f452fab4a25c34073830c90
SHA1

b027cc815c1fdf844d25fadf2a71402569eb9388
SHA256

83d1cbc1a21867cbe377c1f2cb7cacbab6603bf729b47633f5253093bca56f3d
SHA512

9b6cb8bde62f2eb88dede40657ac9e66c2a816ff53a7f7233d991a7435792bad387d127142115d9550deef08355c04c546567e59cf5deea8c96f4411586a95c7
SSDEEP

1536:X5jSAXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtN6D9/GO1UT:X5jS4SyRxvhTzXPvCbW2UU9/u

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
2860	tmp4BEE.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
2860	tmp4BEE.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
1348	86d557db8f452fab4a25c34073830c90N.exe
1348	86d557db8f452fab4a25c34073830c90N.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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmp4BEE.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	86d557db8f452fab4a25c34073830c90N.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	tmp4BEE.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1348	86d557db8f452fab4a25c34073830c90N.exe
Token: SeDebugPrivilege	2860	tmp4BEE.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1348 wrote to memory of 2772	1348	86d557db8f452fab4a25c34073830c90N.exe	30
PID 1348 wrote to memory of 2772	1348	86d557db8f452fab4a25c34073830c90N.exe	30
PID 1348 wrote to memory of 2772	1348	86d557db8f452fab4a25c34073830c90N.exe	30
PID 1348 wrote to memory of 2772	1348	86d557db8f452fab4a25c34073830c90N.exe	30
PID 2772 wrote to memory of 2808	2772	vbc.exe	32
PID 2772 wrote to memory of 2808	2772	vbc.exe	32
PID 2772 wrote to memory of 2808	2772	vbc.exe	32
PID 2772 wrote to memory of 2808	2772	vbc.exe	32
PID 1348 wrote to memory of 2860	1348	86d557db8f452fab4a25c34073830c90N.exe	33
PID 1348 wrote to memory of 2860	1348	86d557db8f452fab4a25c34073830c90N.exe	33
PID 1348 wrote to memory of 2860	1348	86d557db8f452fab4a25c34073830c90N.exe	33
PID 1348 wrote to memory of 2860	1348	86d557db8f452fab4a25c34073830c90N.exe	33

C:\Users\Admin\AppData\Local\Temp\86d557db8f452fab4a25c34073830c90N.exe
"C:\Users\Admin\AppData\Local\Temp\86d557db8f452fab4a25c34073830c90N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1348
- 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\ubupujgl.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2772
- - 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\RES4F69.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc4F68.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2808
- C:\Users\Admin\AppData\Local\Temp\tmp4BEE.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp4BEE.tmp.exe" C:\Users\Admin\AppData\Local\Temp\86d557db8f452fab4a25c34073830c90N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2860

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\RES4F69.tmp

Filesize
1KB

MD5
46dfd7c108177dfb69b76c490373fc22

SHA1
21da050626b5cb9bd44d4b7b71b2abd6b1a612f9

SHA256
91c69911429df2f6d4836ed68aed15cbc053944478c09fd531bfa97af4fa91f4

SHA512
5902cba47c2c9d0e479c080bdca630bfb0a126d9be8eb3682e0a385c163c07673388ef17fab31b64ed6c28732ab9b00b126291ab1dc7bca1379bc2cd4b40c818

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4BEE.tmp.exe

Filesize
78KB

MD5
8de9ec1d9b18b0cd7526249f4a6b055d

SHA1
6ebbb210de7af8b3d97c131235811a9cffef5697

SHA256
1b715640ec71733b20ae88107a3f8353048d03224aa19435719b86ff45175ed2

SHA512
546f87930002ebca2369255c2f5bd6203a93b341a31be569b26739813ee9051fad42a241144fb1367cd3815295567b857cdce1921a859452563d5a390a594c57

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

Filesize
14KB

MD5
0c4cc5f55dd411a7108efd2df2f40ed0

SHA1
52380b656794daf8d1d6103548e2ba3e4dffd192

SHA256
b4d2bf5611954a7c2cff2a4e1fccb8f297dceab1e46088acd2912635f506bd64

SHA512
be13a68eb49e0d1950f17e00a691ef9139f83879b93c771398cdcc294ed809eef9cee5b841b8c4bb04f7185f89b746979aecbb067f638051c1a6f51ab5ed91a7

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

Filesize
266B

MD5
96d51ee43c238b9eb93a6bb04ae27cbb

SHA1
1d3ac2f7a57717d8e4ba196374cb1f6ec474041d

SHA256
eceea36cb45751929d0543f21815fc1da4781da04ecb141504d154b247ea73af

SHA512
685de9b14fcba34bdd9c2ab5e9faa15a7c8c59dd1fe1157e54896444e72383495715456d33a98b22ac06101e4bb1f5b5f02c15fdf419a34ec2abd2bc9095cfc9

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc4F68.tmp

Filesize
660B

MD5
a98470dc8ac728913393b095f4686411

SHA1
3b8f5a71a515eb9bbe80d0cd4e285dfdf65862ce

SHA256
e119cc73a5208f93574b75f683ac4f549b7146c87619f8ef2c406b1737fc2ffa

SHA512
3fed20db4eb225e48628bb487d6f96998ccf87b65d7f14d2c4113a0ff6322d2f542806f7af348f843ae70bd67502cdd2a5ad6562cdb4071f3ba3217afa22deb1

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/1348-0-0x0000000074AA1000-0x0000000074AA2000-memory.dmp

Filesize
4KB

Download
memory/1348-1-0x0000000074AA0000-0x000000007504B000-memory.dmp

Filesize
5.7MB

Download
memory/1348-2-0x0000000074AA0000-0x000000007504B000-memory.dmp

Filesize
5.7MB

Download
memory/1348-24-0x0000000074AA0000-0x000000007504B000-memory.dmp

Filesize
5.7MB

Download
memory/2772-8-0x0000000074AA0000-0x000000007504B000-memory.dmp

Filesize
5.7MB

Download
memory/2772-18-0x0000000074AA0000-0x000000007504B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads