metamorpherrat | b592223b6619a4c3cba0888e5aa5fb13048af42219afa9d1c3cab5ca2350d96a

General

Target

b592223b6619a4c3cba0888e5aa5fb13048af42219afa9d1c3cab5ca2350d96aN.exe
Size

78KB
MD5

15b9526b434f3def70f14e8816a41780
SHA1

e1cc5bdb29f7c06503f30b624a80e95c4a53ff89
SHA256

b592223b6619a4c3cba0888e5aa5fb13048af42219afa9d1c3cab5ca2350d96a
SHA512

6bc1524b1205e9b60a11ee553c9c953b164939c3eda12b57942a39f81f15b32bc070f90be666c5e4fd43c63cec19cbe6cc0f6c4deeb2950b958e6b53ffade2ca
SSDEEP

1536:sc58eXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQts6R9/P1zf:sc58WSyRxvhTzXPvCbW2UP9/5

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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	b592223b6619a4c3cba0888e5aa5fb13048af42219afa9d1c3cab5ca2350d96aN.exe

Deletes itself 1 IoCs

pid	Process
4344	tmp83C6.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
4344	tmp83C6.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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmp83C6.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	tmp83C6.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b592223b6619a4c3cba0888e5aa5fb13048af42219afa9d1c3cab5ca2350d96aN.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	212	b592223b6619a4c3cba0888e5aa5fb13048af42219afa9d1c3cab5ca2350d96aN.exe
Token: SeDebugPrivilege	4344	tmp83C6.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 212 wrote to memory of 452	212	b592223b6619a4c3cba0888e5aa5fb13048af42219afa9d1c3cab5ca2350d96aN.exe	83
PID 212 wrote to memory of 452	212	b592223b6619a4c3cba0888e5aa5fb13048af42219afa9d1c3cab5ca2350d96aN.exe	83
PID 212 wrote to memory of 452	212	b592223b6619a4c3cba0888e5aa5fb13048af42219afa9d1c3cab5ca2350d96aN.exe	83
PID 452 wrote to memory of 2816	452	vbc.exe	85
PID 452 wrote to memory of 2816	452	vbc.exe	85
PID 452 wrote to memory of 2816	452	vbc.exe	85
PID 212 wrote to memory of 4344	212	b592223b6619a4c3cba0888e5aa5fb13048af42219afa9d1c3cab5ca2350d96aN.exe	86
PID 212 wrote to memory of 4344	212	b592223b6619a4c3cba0888e5aa5fb13048af42219afa9d1c3cab5ca2350d96aN.exe	86
PID 212 wrote to memory of 4344	212	b592223b6619a4c3cba0888e5aa5fb13048af42219afa9d1c3cab5ca2350d96aN.exe	86

C:\Users\Admin\AppData\Local\Temp\b592223b6619a4c3cba0888e5aa5fb13048af42219afa9d1c3cab5ca2350d96aN.exe
"C:\Users\Admin\AppData\Local\Temp\b592223b6619a4c3cba0888e5aa5fb13048af42219afa9d1c3cab5ca2350d96aN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:212
- 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\l_mdgqb2.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:452
- - 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\RES86A5.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc5DA462D72F92464FB9DE2D63C3D69949.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2816
- C:\Users\Admin\AppData\Local\Temp\tmp83C6.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp83C6.tmp.exe" C:\Users\Admin\AppData\Local\Temp\b592223b6619a4c3cba0888e5aa5fb13048af42219afa9d1c3cab5ca2350d96aN.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4344

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\RES86A5.tmp

Filesize
1KB

MD5
7daf034008218cc7ac853fd6cb633e49

SHA1
e3335f064895d1f7f1cca2401dcccc39b303fe00

SHA256
9bb3af16cbc7340c1d5a23b4e3aa5487b6c8e5e1ef61832ba38de936ce7f3d3c

SHA512
075dd9665ec61eb9664a87dd6b39919a395a55ff16f83e958a5f3a056e5bf528901c8fef28e65dc5a0c7527f9666fd7056f341ea526f7ab69f4820915d49fbf8

Download Submit
C:\Users\Admin\AppData\Local\Temp\l_mdgqb2.0.vb

Filesize
14KB

MD5
25efa04e2bf99e3599ddd789f43c5f82

SHA1
e0894a92914216ecd7fa0a6ce954c5a23d518f39

SHA256
7817497df39829570180a6975d0a61bae3a4bd38dfe9eba096867a0c6cfefc9c

SHA512
ae07863cde552fc9224b9954a2ec114b7c7811b92be0265ea9a114d39027226447a2eeaa8afe2fef8d0f5474d1bdf69d1f6f91bc004eb05d4a7d60a3041a51d2

Download Submit
C:\Users\Admin\AppData\Local\Temp\l_mdgqb2.cmdline

Filesize
266B

MD5
1a4acff0a25eb422ba69f8e27a3a6d5e

SHA1
92f4d876b9b32fd2cab3068223ae35e70ab485e1

SHA256
75cbef279a723d131de53503c9ec2da27c4a7d7ee74a9bab4fbe438e7b1f72ce

SHA512
ff290d4bf1e6bc4fcfe66ddda29cff718a8b41c8cf79831be9031701d6433cf9629e5487fb43713c3fe465d1a4f3363d6fe6c8b9e237fc14cbf5282b25cf1c54

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp83C6.tmp.exe

Filesize
78KB

MD5
4c54655df997fc38dab56e6c869eb2b8

SHA1
33b2b1658a945505c7dcdfb775fe009c4c726d08

SHA256
5016a5c7ca217a9dbad64605cb1c67aa1bf632ff40b2dfddbf24ab76b21dc5e2

SHA512
42f38e00eeb673c732712cb150709546372774964078b0b240c5db9c5c82164d55a18697dfff5c4881e9858c3eeea4c76e8b4eff7266b67740765832bcf4cdc7

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc5DA462D72F92464FB9DE2D63C3D69949.TMP

Filesize
660B

MD5
141f59bff19a2bae5aa9b9888aeac390

SHA1
ce6826c65bbf9b74987285ebe395fb33ed308384

SHA256
5dd75949b9ed5de57fe3f062485125b5df09dede09fdd4a3e64c77603c1f2d9e

SHA512
d94552c41cb8d44c0643b9ffc4869210a93f3b4df5a845caf11f8ae22392a2fecebb18cbafb9606a2709711183c2f1c9df97a735a9424c608fcc56ece45d93f8

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/212-22-0x0000000074FD0000-0x0000000075581000-memory.dmp

Filesize
5.7MB

Download
memory/212-2-0x0000000074FD0000-0x0000000075581000-memory.dmp

Filesize
5.7MB

Download
memory/212-1-0x0000000074FD0000-0x0000000075581000-memory.dmp

Filesize
5.7MB

Download
memory/212-0-0x0000000074FD2000-0x0000000074FD3000-memory.dmp

Filesize
4KB

Download
memory/452-8-0x0000000074FD0000-0x0000000075581000-memory.dmp

Filesize
5.7MB

Download
memory/452-18-0x0000000074FD0000-0x0000000075581000-memory.dmp

Filesize
5.7MB

Download
memory/4344-23-0x0000000074FD0000-0x0000000075581000-memory.dmp

Filesize
5.7MB

Download
memory/4344-24-0x0000000074FD0000-0x0000000075581000-memory.dmp

Filesize
5.7MB

Download
memory/4344-25-0x0000000074FD0000-0x0000000075581000-memory.dmp

Filesize
5.7MB

Download
memory/4344-27-0x0000000074FD0000-0x0000000075581000-memory.dmp

Filesize
5.7MB

Download
memory/4344-28-0x0000000074FD0000-0x0000000075581000-memory.dmp

Filesize
5.7MB

Download
memory/4344-29-0x0000000074FD0000-0x0000000075581000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads