metamorpherrat | 1fd3ffb9a8efba8327a59e3fb2739f9ed312118e8d631abeaa4b444fd990fe23

General

Target

1fd3ffb9a8efba8327a59e3fb2739f9ed312118e8d631abeaa4b444fd990fe23N.exe
Size

78KB
MD5

0f7e81c8e85ecc5e06934e2b362ae9a0
SHA1

930d1bb4494cb62247087c044f005284ba42f928
SHA256

1fd3ffb9a8efba8327a59e3fb2739f9ed312118e8d631abeaa4b444fd990fe23
SHA512

aee28c59c6192e95d7acdd2f9669a45d6153e4960f831deb23c0bc01562205049abf6d30ed0fd16809cae01033a6b0425101e14ab848867fd07a538c74048e8f
SSDEEP

1536:WVe5jNAlGmWw644txVILJtcfJuovFdPKmNqOqD70Gou2P2oYe9Qtd6cC9/d1rL:8e5jNAtWDDILJLovbicqOq3o+ns9/n

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

Executes dropped EXE 1 IoCs

pid	Process
896	tmpDECB.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
3012	1fd3ffb9a8efba8327a59e3fb2739f9ed312118e8d631abeaa4b444fd990fe23N.exe
3012	1fd3ffb9a8efba8327a59e3fb2739f9ed312118e8d631abeaa4b444fd990fe23N.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\caspol.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallMembership.exe\""	tmpDECB.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	tmpDECB.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1fd3ffb9a8efba8327a59e3fb2739f9ed312118e8d631abeaa4b444fd990fe23N.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3012	1fd3ffb9a8efba8327a59e3fb2739f9ed312118e8d631abeaa4b444fd990fe23N.exe
Token: SeDebugPrivilege	896	tmpDECB.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2224	3012	1fd3ffb9a8efba8327a59e3fb2739f9ed312118e8d631abeaa4b444fd990fe23N.exe	31
PID 3012 wrote to memory of 2224	3012	1fd3ffb9a8efba8327a59e3fb2739f9ed312118e8d631abeaa4b444fd990fe23N.exe	31
PID 3012 wrote to memory of 2224	3012	1fd3ffb9a8efba8327a59e3fb2739f9ed312118e8d631abeaa4b444fd990fe23N.exe	31
PID 3012 wrote to memory of 2224	3012	1fd3ffb9a8efba8327a59e3fb2739f9ed312118e8d631abeaa4b444fd990fe23N.exe	31
PID 2224 wrote to memory of 1740	2224	vbc.exe	33
PID 2224 wrote to memory of 1740	2224	vbc.exe	33
PID 2224 wrote to memory of 1740	2224	vbc.exe	33
PID 2224 wrote to memory of 1740	2224	vbc.exe	33
PID 3012 wrote to memory of 896	3012	1fd3ffb9a8efba8327a59e3fb2739f9ed312118e8d631abeaa4b444fd990fe23N.exe	34
PID 3012 wrote to memory of 896	3012	1fd3ffb9a8efba8327a59e3fb2739f9ed312118e8d631abeaa4b444fd990fe23N.exe	34
PID 3012 wrote to memory of 896	3012	1fd3ffb9a8efba8327a59e3fb2739f9ed312118e8d631abeaa4b444fd990fe23N.exe	34
PID 3012 wrote to memory of 896	3012	1fd3ffb9a8efba8327a59e3fb2739f9ed312118e8d631abeaa4b444fd990fe23N.exe	34

C:\Users\Admin\AppData\Local\Temp\1fd3ffb9a8efba8327a59e3fb2739f9ed312118e8d631abeaa4b444fd990fe23N.exe
"C:\Users\Admin\AppData\Local\Temp\1fd3ffb9a8efba8327a59e3fb2739f9ed312118e8d631abeaa4b444fd990fe23N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3012
- 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\2gnxv9bc.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2224
- - 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\RESE042.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcE041.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1740
- C:\Users\Admin\AppData\Local\Temp\tmpDECB.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpDECB.tmp.exe" C:\Users\Admin\AppData\Local\Temp\1fd3ffb9a8efba8327a59e3fb2739f9ed312118e8d631abeaa4b444fd990fe23N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:896

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\2gnxv9bc.0.vb

Filesize
14KB

MD5
bae0af38bb933c80be8b587a5f922602

SHA1
2f6d244511f68b6d27ab8c1442b1e853969be6a2

SHA256
a564aea6ceac5863bc2f5fa8da844035154a28bc4cc5b5c7cdc1395627be565d

SHA512
1ac2ada386e84e3ae7d9a2e7946b4f2110e3fc0d53661e82f88457c79d52005188a3e89f0a0e390da43b2af72eb1ecb4acba90f3df242a368c8534936a5d8c29

Download Submit
C:\Users\Admin\AppData\Local\Temp\2gnxv9bc.cmdline

Filesize
266B

MD5
498b6b52b991f70b28b11c73b5c97f15

SHA1
ed685aca6f1929990c4efed0aff7643ab7c6c832

SHA256
373a2ee054e21328400b7cc37a1d4cc75d6d47c57f7fb88538695321b93d565d

SHA512
3462b9998783580da4bc9aaff8d6ee0c89573a4e70cbb63f1c46ba1ca1567b0c8f88025af50f99a1299d13ce4427cc1d662d744335aa968356cdef9aa07a0e28

Download Submit
C:\Users\Admin\AppData\Local\Temp\RESE042.tmp

Filesize
1KB

MD5
8fabd47b3d6b3a641774193a98ddfbd6

SHA1
ecd557ff88438715da3c8b4d1b3584d1a2ac3f9e

SHA256
30316c9911ad9860364dcd1a4a8587cd769adcf299534ba3346fa529174a2e64

SHA512
5ba8b9ced450ad7f93c477b86416219213293da37f63efbba3ca622e1559ead5edb18c7b38234c18b0d94e24f0347a8cc005b3f6a8f77d58955d4eace7cc9eec

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

Filesize
78KB

MD5
cc86e6d04f001da92d9b885362d95c96

SHA1
6be8a1f8a7a926e27a4fd7e8969030f7258f1860

SHA256
673115224e7a2a9478ccf0cd63cbf56ff6f686123e298936b366fbcf47c4c906

SHA512
9ff376e13e6448356f2234df7f8320d9fec9b100a1cbf909a58c74766c3ad0971d7487a78d4918ffb5daca3c582890d7a7732dccb35954e642eb5ef55c5789bb

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcE041.tmp

Filesize
660B

MD5
bd983a41e98074d0eb33b205b427a49d

SHA1
b6af5f8638dea26ea5893bd5287902db5ae6dac6

SHA256
19118616ee4f4ffbbc91695690552246bdc8c82f0f2b4bd66d9d52510828a6af

SHA512
58c43b00b0e9fd21fbf4dbc16307e897ab8ba287d053e07fa39f514db1ab2665b941cc2b05308e3f366be10e78c025a53b01c0212ed9ff1cb2f61275dbefc591

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

Filesize
62KB

MD5
a26b0f78faa3881bb6307a944b096e91

SHA1
42b01830723bf07d14f3086fa83c4f74f5649368

SHA256
b43ecda931e7af03f0768c905ed9fa82c03e41e566b1dff9960afc6b91ae5ab5

SHA512
a0e9c2814fca6bcf87e779592c005d7a8eef058a61f5a5443f7cf8d97e2316d0cde91ed51270bbcc23ccf68c7fc4a321a5a95a4eed75cb8d8a45cb3aa725fb9c

Download Submit
memory/2224-8-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/2224-18-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/3012-0-0x0000000074261000-0x0000000074262000-memory.dmp

Filesize
4KB

Download
memory/3012-1-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/3012-2-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/3012-24-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads