metamorpherrat | 4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27

General

Target

4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27N.exe
Size

78KB
MD5

f087f48ca7dbe075208a9857f2da67f0
SHA1

eba1417348a65af6b5c950e8b7c632ecdbf2cd6b
SHA256

4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27
SHA512

34ae56909de0f66a9b2a7416456970ee5624dfc940958f986a85074c8c9fdcac8d7e5cc6d467279dc6479e3fd4e1d49f6d8591b82688a2395626e327138b8334
SSDEEP

1536:be58fXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQty6g9/0xE21J7:be58/SyRxvhTzXPvCbW2UY9/0

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

Executes dropped EXE 1 IoCs

pid	Process
536	tmpCCA2.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2096	4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27N.exe
2096	4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27N.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmpCCA2.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	4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27N.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	tmpCCA2.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2096	4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27N.exe
Token: SeDebugPrivilege	536	tmpCCA2.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 3052	2096	4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27N.exe	30
PID 2096 wrote to memory of 3052	2096	4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27N.exe	30
PID 2096 wrote to memory of 3052	2096	4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27N.exe	30
PID 2096 wrote to memory of 3052	2096	4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27N.exe	30
PID 3052 wrote to memory of 2704	3052	vbc.exe	32
PID 3052 wrote to memory of 2704	3052	vbc.exe	32
PID 3052 wrote to memory of 2704	3052	vbc.exe	32
PID 3052 wrote to memory of 2704	3052	vbc.exe	32
PID 2096 wrote to memory of 536	2096	4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27N.exe	33
PID 2096 wrote to memory of 536	2096	4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27N.exe	33
PID 2096 wrote to memory of 536	2096	4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27N.exe	33
PID 2096 wrote to memory of 536	2096	4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27N.exe	33

C:\Users\Admin\AppData\Local\Temp\4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27N.exe
"C:\Users\Admin\AppData\Local\Temp\4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2096
- 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\2rb1sc5e.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3052
- - 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\RESCD5E.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcCD5D.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2704
- C:\Users\Admin\AppData\Local\Temp\tmpCCA2.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpCCA2.tmp.exe" C:\Users\Admin\AppData\Local\Temp\4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:536

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\2rb1sc5e.0.vb

Filesize
14KB

MD5
262f3d7c0077c05eb78a9baf6109a716

SHA1
a60c364145993164dc042c7f735dd2a81ebb0129

SHA256
8674e4339e41cf18dd37341d2dc6f30b23d9e2656472914e65d34511e10a5649

SHA512
a7751c9cca50d41bd182082be7418cf5640a924952f9575726e6b8076f53efea2cfb6924ec47e91e52b0e8e22fb08b26bb5a3707b8169f96c43681c62245af2a

Download Submit
C:\Users\Admin\AppData\Local\Temp\2rb1sc5e.cmdline

Filesize
266B

MD5
89de3c0a8a7f7e8090ca90cbfff349c6

SHA1
3732fd6b31d75ec1e927795eba63bdc2cb2f04f6

SHA256
4fe22720712e65f81fb09cf4fe0957adb6d878dfa3588d3d1b236ced345d384a

SHA512
1bdb080203f5f8bddb56b6b93ab64f786ad192a2df962d415d15820e883f08e760428740f4e7dff8a6c3bf536c38cd338dcce7c704555b5434219d9929efef3e

Download Submit
C:\Users\Admin\AppData\Local\Temp\RESCD5E.tmp

Filesize
1KB

MD5
113e67e16e5f31bc6d12d7f2c33d54a9

SHA1
246b6067e28bee7520454e76dc75364bf2156cac

SHA256
02942b99c233715b8677a10e05b9103d37a4aed1a5e67e06ca1a55d1a95a0fcd

SHA512
540d8b6d0415bca5f3a888befb0bd3025c46b8907baab3b81fe5c64babd0f5fdf7c76ada70a2c0b58216fd673276749e80c9731c01414f6db4cfe31223ff3899

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCCA2.tmp.exe

Filesize
78KB

MD5
99e3c4d08ee0cc9b0df5f56672c21de6

SHA1
26ef293fc1991cb5fed9146a8f9163e32b78bc01

SHA256
22daf8fbc1a08386313b8253aad85700cda4a0c33de89cbdd9f924ae2f370a6d

SHA512
a054ca2ea973449a0a5451e4a13445de71d4220a3c904d08a75fa91b94193a0e64e5b86f6fbdd35e4218a8bc0dfd432406fbf6b3d9acc2036c7fce7b0eb8504f

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcCD5D.tmp

Filesize
660B

MD5
e24ed31a9bccbaa72b8ee700edd1ed00

SHA1
3982aa12505837481ac3c197df6a50aa2e74cf24

SHA256
01adb230a62a3525bc3ab6cdd571f4ef08793d01e9c9c2cd4a6321e02ce88b6b

SHA512
4b4de5831b85714ad96aed21173e6e4bcc79298ec05b7b2a9f91daa25a3a03d2bfe284f64488163bcf8ec0b5df1dcc31774795978709c7090842c97dd01ca396

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/2096-0-0x00000000746C1000-0x00000000746C2000-memory.dmp

Filesize
4KB

Download
memory/2096-1-0x00000000746C0000-0x0000000074C6B000-memory.dmp

Filesize
5.7MB

Download
memory/2096-6-0x00000000746C0000-0x0000000074C6B000-memory.dmp

Filesize
5.7MB

Download
memory/2096-24-0x00000000746C0000-0x0000000074C6B000-memory.dmp

Filesize
5.7MB

Download
memory/3052-8-0x00000000746C0000-0x0000000074C6B000-memory.dmp

Filesize
5.7MB

Download
memory/3052-18-0x00000000746C0000-0x0000000074C6B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads