metamorpherrat | 771fe8beb0f70f3a487e85811b5456beac638f87af56581312624b5b4de84f5b

General

Target

68843745a3730344cdabe7cefbfd2120N.exe
Size

78KB
MD5

68843745a3730344cdabe7cefbfd2120
SHA1

d177ba89edcc1634dd88340eea6c2e291ec20894
SHA256

771fe8beb0f70f3a487e85811b5456beac638f87af56581312624b5b4de84f5b
SHA512

b6658f365d31362396cf5a7ca6025ccdcca9d5c1ec5609e9ec8ed6359e069c979a1dfc8f257487efcd8b1d68144dd75147d21fa4e88f50b6525685bd0b6db6c3
SSDEEP

1536:cRWtHFo6M7t4XT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtec9/u11hm:cRWtHFonhASyRxvhTzXPvCbW2Uec9/T

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

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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	68843745a3730344cdabe7cefbfd2120N.exe

Deletes itself 1 IoCs

pid	Process
1452	tmpA921.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
1452	tmpA921.tmp.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-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmpA921.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	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmpA921.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	68843745a3730344cdabe7cefbfd2120N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4844	68843745a3730344cdabe7cefbfd2120N.exe
Token: SeDebugPrivilege	1452	tmpA921.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4844 wrote to memory of 4436	4844	68843745a3730344cdabe7cefbfd2120N.exe	82
PID 4844 wrote to memory of 4436	4844	68843745a3730344cdabe7cefbfd2120N.exe	82
PID 4844 wrote to memory of 4436	4844	68843745a3730344cdabe7cefbfd2120N.exe	82
PID 4436 wrote to memory of 3728	4436	vbc.exe	85
PID 4436 wrote to memory of 3728	4436	vbc.exe	85
PID 4436 wrote to memory of 3728	4436	vbc.exe	85
PID 4844 wrote to memory of 1452	4844	68843745a3730344cdabe7cefbfd2120N.exe	88
PID 4844 wrote to memory of 1452	4844	68843745a3730344cdabe7cefbfd2120N.exe	88
PID 4844 wrote to memory of 1452	4844	68843745a3730344cdabe7cefbfd2120N.exe	88

C:\Users\Admin\AppData\Local\Temp\68843745a3730344cdabe7cefbfd2120N.exe
"C:\Users\Admin\AppData\Local\Temp\68843745a3730344cdabe7cefbfd2120N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4844
- 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\qtz4y78m.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4436
- - 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\RESAA4A.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc8DF347075DF849058AD3F0942ED65AE.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3728
- C:\Users\Admin\AppData\Local\Temp\tmpA921.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpA921.tmp.exe" C:\Users\Admin\AppData\Local\Temp\68843745a3730344cdabe7cefbfd2120N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1452

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

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RESAA4A.tmp

Filesize
1KB

MD5
37abc70bb462542d0f8e19f154d61563

SHA1
1ef1d9beb88faa87d78810fecfdf3ef4f9704025

SHA256
832a29dc8ffd2fdcf4b3093e413ef34427de68a8077b492b80d02bdc059d5ad1

SHA512
70c66efa5bc29884ef80bdf77e1aaa6158f3fccba6c9ca30c69a981b3d825a66028cdf8303a042468b18948c5d3a56f115eca7ccafa756299c4fdbcb9afbc8cb

Download Submit
C:\Users\Admin\AppData\Local\Temp\qtz4y78m.0.vb

Filesize
15KB

MD5
aa4b5d11ffe88ba8220f96c7b7d33ca5

SHA1
38ade100c031cdaf5a7d4eccdbb9532b57e6ba84

SHA256
3e7c3e8f26aeaee3d9b8fc375de7653a624a27410497a67d48deb65fe14cccc7

SHA512
6de6f3de6b7a1579b039805cda4ba880cea838b92405c9f429d6920f51401e6e4ee4b8be80c2ca316c27a96b412836d0e942ddad9c0a3faea557665c1cd9fed7

Download Submit
C:\Users\Admin\AppData\Local\Temp\qtz4y78m.cmdline

Filesize
266B

MD5
02489d87ba7510b6a814353507499c63

SHA1
28b7ba85a5e1130eb16f7d74fb6acf5af750fbab

SHA256
a5a1196e723db0ac8697e3337cd6ac40ed134152de49d9fd799c70b850f52b1a

SHA512
120a63e8bbfd390b53b18bbe61d3cc7850a977c76c5497ed5d14c9634ee129ab8688d8db569a1ca832693717f8d34563a4ec13024e5e613ab67f31a2c0ec9caa

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA921.tmp.exe

Filesize
78KB

MD5
b30b1b9b7dd6391b9d43608d880fe67d

SHA1
437963498d0c940d689efcc75a3872ad6b879af6

SHA256
b57409d080024a8bba5cc4b96c613c4b01d937f0a908e5d8516b63d1ea62890c

SHA512
58d6ea8a30a50122668f2d9bb537fbd8bd3b9d831661122b7e0898741087de7ff3dcce8c65a6f3105fa69b2eb6e3ab745dda3974b4b64d04644b8c0814a6dc18

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc8DF347075DF849058AD3F0942ED65AE.TMP

Filesize
660B

MD5
2ae63aa4cbcceb7049f9d839410b711f

SHA1
8d10a0789d365a738de0f6467847719ec62187e6

SHA256
48fe6e035ebea072bcdbf451b0610d6082e62348f52c83217de2c6dc4d33dd3f

SHA512
dd0919aaa6a12e1ce8b848a8af1f4f4a22c0eb673a97bd992cc4c802b479e5a79a2c76ce7d28796a52cc41d5a68ed0cc47cf94ff876371137c81998feced3253

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/1452-23-0x0000000074C50000-0x0000000075201000-memory.dmp

Filesize
5.7MB

Download
memory/1452-24-0x0000000074C50000-0x0000000075201000-memory.dmp

Filesize
5.7MB

Download
memory/1452-26-0x0000000074C50000-0x0000000075201000-memory.dmp

Filesize
5.7MB

Download
memory/1452-27-0x0000000074C50000-0x0000000075201000-memory.dmp

Filesize
5.7MB

Download
memory/1452-28-0x0000000074C50000-0x0000000075201000-memory.dmp

Filesize
5.7MB

Download
memory/4436-18-0x0000000074C50000-0x0000000075201000-memory.dmp

Filesize
5.7MB

Download
memory/4436-9-0x0000000074C50000-0x0000000075201000-memory.dmp

Filesize
5.7MB

Download
memory/4844-2-0x0000000074C50000-0x0000000075201000-memory.dmp

Filesize
5.7MB

Download
memory/4844-0-0x0000000074C52000-0x0000000074C53000-memory.dmp

Filesize
4KB

Download
memory/4844-1-0x0000000074C50000-0x0000000075201000-memory.dmp

Filesize
5.7MB

Download
memory/4844-22-0x0000000074C50000-0x0000000075201000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads