metamorpherrat | e3b1c39dfdeec49b0372e7e1eb8ae1880b95fe3f2095a413fe80df28f92d0c42

General

Target

e3b1c39dfdeec49b0372e7e1eb8ae1880b95fe3f2095a413fe80df28f92d0c42N.exe
Size

78KB
MD5

e3868ec9d2a04aba83d1e2862b9894a0
SHA1

7b6aeeca771bb7d1df05adb110c998e6d9b70cac
SHA256

e3b1c39dfdeec49b0372e7e1eb8ae1880b95fe3f2095a413fe80df28f92d0c42
SHA512

3778f674bd48058d5c598fea1d0b4aa845dd762233682e880a411aa79da7c7595e5c74c70e0baf6ca728af2fc1a25f7ff68e8f07724cfd0d9c7439bbc18327f7
SSDEEP

1536:TX4V5jSuAlGmWw644txVILJtcfJuovFdPKmNqOqD70Gou2P2oYe9Qti6q9/o1Lp:D4V5jSuAtWDDILJLovbicqOq3o+ni9/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
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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	e3b1c39dfdeec49b0372e7e1eb8ae1880b95fe3f2095a413fe80df28f92d0c42N.exe

Deletes itself 1 IoCs

pid	Process
3520	tmp8E94.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
3520	tmp8E94.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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caspol.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallMembership.exe\""	tmp8E94.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	tmp8E94.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e3b1c39dfdeec49b0372e7e1eb8ae1880b95fe3f2095a413fe80df28f92d0c42N.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1188	e3b1c39dfdeec49b0372e7e1eb8ae1880b95fe3f2095a413fe80df28f92d0c42N.exe
Token: SeDebugPrivilege	3520	tmp8E94.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1188 wrote to memory of 2588	1188	e3b1c39dfdeec49b0372e7e1eb8ae1880b95fe3f2095a413fe80df28f92d0c42N.exe	83
PID 1188 wrote to memory of 2588	1188	e3b1c39dfdeec49b0372e7e1eb8ae1880b95fe3f2095a413fe80df28f92d0c42N.exe	83
PID 1188 wrote to memory of 2588	1188	e3b1c39dfdeec49b0372e7e1eb8ae1880b95fe3f2095a413fe80df28f92d0c42N.exe	83
PID 2588 wrote to memory of 1524	2588	vbc.exe	85
PID 2588 wrote to memory of 1524	2588	vbc.exe	85
PID 2588 wrote to memory of 1524	2588	vbc.exe	85
PID 1188 wrote to memory of 3520	1188	e3b1c39dfdeec49b0372e7e1eb8ae1880b95fe3f2095a413fe80df28f92d0c42N.exe	86
PID 1188 wrote to memory of 3520	1188	e3b1c39dfdeec49b0372e7e1eb8ae1880b95fe3f2095a413fe80df28f92d0c42N.exe	86
PID 1188 wrote to memory of 3520	1188	e3b1c39dfdeec49b0372e7e1eb8ae1880b95fe3f2095a413fe80df28f92d0c42N.exe	86

C:\Users\Admin\AppData\Local\Temp\e3b1c39dfdeec49b0372e7e1eb8ae1880b95fe3f2095a413fe80df28f92d0c42N.exe
"C:\Users\Admin\AppData\Local\Temp\e3b1c39dfdeec49b0372e7e1eb8ae1880b95fe3f2095a413fe80df28f92d0c42N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1188
- 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\q9abcnvx.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2588
- - 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\RES900B.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcDF4050FE8C4A67BD268541EA547F22.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1524
- C:\Users\Admin\AppData\Local\Temp\tmp8E94.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp8E94.tmp.exe" C:\Users\Admin\AppData\Local\Temp\e3b1c39dfdeec49b0372e7e1eb8ae1880b95fe3f2095a413fe80df28f92d0c42N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3520

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\RES900B.tmp

Filesize
1KB

MD5
dc5f111bddc766a41166c26895d682c4

SHA1
8fdc59944ef9874e57d1960b20b31b83139a5987

SHA256
4a25cff59af7a79e602dda05ba0c2ee5c09001e17dafcbe0e2a703d72936acb9

SHA512
b8c828b2aa08c3dfd1f1f2fe21ba70b87ccb416e31f189460a58501c5ed9237d271b238fac512d663b50b7345d75d17a75482034db9b1fd96ccc03fb456ed331

Download Submit
C:\Users\Admin\AppData\Local\Temp\q9abcnvx.0.vb

Filesize
14KB

MD5
26e5644a83184e3f3d330a14bc44ce5d

SHA1
f62f9bc4080ef31c8334fc64afe4a038b7409945

SHA256
b125df2e0a85e7c462ee167cc919ca1c8ab2c96838bb3b386eeb48808f70ab99

SHA512
4dc04c45b0d306c02af14ba15600703540a656048045b03a866eb64c802da9594712c1ce4a607820c81186a454ddbee8b5111464eb8f6439f5df5ad4d3cd5ba6

Download Submit
C:\Users\Admin\AppData\Local\Temp\q9abcnvx.cmdline

Filesize
266B

MD5
ffce8a8948b1fe1a0a5f862ef0ae74d4

SHA1
00dd8f8b741fd55ea634c1325dcee76c21346401

SHA256
09b889304a66119b2b949fdb17d1eb3cc394da2708c98958c5d93258a6fb4f02

SHA512
d77d5566e81243420a6279db28a3375cf7be56ed314812a8f3cd8c94f9d831191e53a0173ce4a429486d370fa3d8484e10a0cfbd99ea5fa849293096f2b64fbd

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8E94.tmp.exe

Filesize
78KB

MD5
3d44536daf3425cac0bcf2f377142d23

SHA1
f1b98aebf81ef667301166364ea9c7f846af2081

SHA256
ef8cab6b7bb4ae6b73733ae38b4e051a5b10edda2a517c23adb64d36721398b4

SHA512
3166d4a9964ccb72096eb1be4cde4f91b4b4144369f8d8c484c5a90ce4de8fa0a25f50ec150d2ae73e96aad59ab3372e5823570fc5794d58b00377a83d48a015

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcDF4050FE8C4A67BD268541EA547F22.TMP

Filesize
660B

MD5
82da894ce8358476149e0e50d3ca2aa9

SHA1
d7e89a63509becf04b4a231fe6be43d32d86f864

SHA256
58717b4786f1eaaf50e90d977a4099393fa69fdee9393eb882887b3229f240c4

SHA512
910f67a6fa996caab77f404e8a164cf7109305554404f8c70c14786203129020126e1ebd75e42a0a67e2157b198ce99a5073eda9e2723fa71a5c0a93c88cdcf5

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

Filesize
62KB

MD5
a26b0f78faa3881bb6307a944b096e91

SHA1
42b01830723bf07d14f3086fa83c4f74f5649368

SHA256
b43ecda931e7af03f0768c905ed9fa82c03e41e566b1dff9960afc6b91ae5ab5

SHA512
a0e9c2814fca6bcf87e779592c005d7a8eef058a61f5a5443f7cf8d97e2316d0cde91ed51270bbcc23ccf68c7fc4a321a5a95a4eed75cb8d8a45cb3aa725fb9c

Download Submit
memory/1188-1-0x0000000074DD0000-0x0000000075381000-memory.dmp

Filesize
5.7MB

Download
memory/1188-2-0x0000000074DD0000-0x0000000075381000-memory.dmp

Filesize
5.7MB

Download
memory/1188-0-0x0000000074DD2000-0x0000000074DD3000-memory.dmp

Filesize
4KB

Download
memory/1188-22-0x0000000074DD0000-0x0000000075381000-memory.dmp

Filesize
5.7MB

Download
memory/2588-8-0x0000000074DD0000-0x0000000075381000-memory.dmp

Filesize
5.7MB

Download
memory/2588-18-0x0000000074DD0000-0x0000000075381000-memory.dmp

Filesize
5.7MB

Download
memory/3520-23-0x0000000074DD0000-0x0000000075381000-memory.dmp

Filesize
5.7MB

Download
memory/3520-24-0x0000000074DD0000-0x0000000075381000-memory.dmp

Filesize
5.7MB

Download
memory/3520-25-0x0000000074DD0000-0x0000000075381000-memory.dmp

Filesize
5.7MB

Download
memory/3520-26-0x0000000074DD0000-0x0000000075381000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads