metamorpherrat | 903a496a5b8aff1a62ddd1d0a463dbbd394cfd6569f9eba2c13017d1cd515965

General

Target

903a496a5b8aff1a62ddd1d0a463dbbd394cfd6569f9eba2c13017d1cd515965N.exe
Size

78KB
MD5

6ee41d87f850fd8a6b9fb36c65c29e30
SHA1

74fef52fc86016b6305e420406310b52d20d0508
SHA256

903a496a5b8aff1a62ddd1d0a463dbbd394cfd6569f9eba2c13017d1cd515965
SHA512

23e49194893bd59096b382289e0f7d31da762e91fd5afc95f9ed931cf6846db5827bed69324a3642941fd1aa6f2a402f01332090c34105c1b8bc82f2834d6f57
SSDEEP

1536:Uiy5jSuAlGmWw644txVILJtcfJuovFdPKmNqOqD70Gou2P2oYe9QtM6w9/v1aM:ty5jSuAtWDDILJLovbicqOq3o+nO9/p

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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	903a496a5b8aff1a62ddd1d0a463dbbd394cfd6569f9eba2c13017d1cd515965N.exe

Deletes itself 1 IoCs

pid	Process
396	tmpA3C2.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
396	tmpA3C2.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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caspol.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallMembership.exe\""	tmpA3C2.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	tmpA3C2.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	903a496a5b8aff1a62ddd1d0a463dbbd394cfd6569f9eba2c13017d1cd515965N.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5016	903a496a5b8aff1a62ddd1d0a463dbbd394cfd6569f9eba2c13017d1cd515965N.exe
Token: SeDebugPrivilege	396	tmpA3C2.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 5016 wrote to memory of 3800	5016	903a496a5b8aff1a62ddd1d0a463dbbd394cfd6569f9eba2c13017d1cd515965N.exe	86
PID 5016 wrote to memory of 3800	5016	903a496a5b8aff1a62ddd1d0a463dbbd394cfd6569f9eba2c13017d1cd515965N.exe	86
PID 5016 wrote to memory of 3800	5016	903a496a5b8aff1a62ddd1d0a463dbbd394cfd6569f9eba2c13017d1cd515965N.exe	86
PID 3800 wrote to memory of 4928	3800	vbc.exe	88
PID 3800 wrote to memory of 4928	3800	vbc.exe	88
PID 3800 wrote to memory of 4928	3800	vbc.exe	88
PID 5016 wrote to memory of 396	5016	903a496a5b8aff1a62ddd1d0a463dbbd394cfd6569f9eba2c13017d1cd515965N.exe	90
PID 5016 wrote to memory of 396	5016	903a496a5b8aff1a62ddd1d0a463dbbd394cfd6569f9eba2c13017d1cd515965N.exe	90
PID 5016 wrote to memory of 396	5016	903a496a5b8aff1a62ddd1d0a463dbbd394cfd6569f9eba2c13017d1cd515965N.exe	90

C:\Users\Admin\AppData\Local\Temp\903a496a5b8aff1a62ddd1d0a463dbbd394cfd6569f9eba2c13017d1cd515965N.exe
"C:\Users\Admin\AppData\Local\Temp\903a496a5b8aff1a62ddd1d0a463dbbd394cfd6569f9eba2c13017d1cd515965N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5016
- 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\xsgm5s7z.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3800
- - 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\RESA4CB.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc88686FEE024ABE8DE8C19FB28F47F9.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4928
- C:\Users\Admin\AppData\Local\Temp\tmpA3C2.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpA3C2.tmp.exe" C:\Users\Admin\AppData\Local\Temp\903a496a5b8aff1a62ddd1d0a463dbbd394cfd6569f9eba2c13017d1cd515965N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:396

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\RESA4CB.tmp

Filesize
1KB

MD5
bb244c3ab3afbd4c559441adf7128373

SHA1
4bf4b7776d9a798c3795e796abaaaf8aec933ccf

SHA256
231be26447ff979e88a11454efc62b2eaa44d5dca932bf230bf8b4b41c4e32d3

SHA512
433cdb02fc0f8b321b412ac7e45bb9280ce2134dfd356af7b6f126975d048ce5fca1dc7c9a6bbfbdf81686a897ae668607b06891c7e60cf3fb8757c3aa7b3b30

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA3C2.tmp.exe

Filesize
78KB

MD5
4b22bd098b1f4506ec9914bcd7c3255f

SHA1
e65e540b9468526b0285452d8509201e674e9d62

SHA256
03955befa3cae69e0503f02e3e40292ac44620ac16551355abeb2c6b0ae0c501

SHA512
b8196322effa835f3b8f3745b3ae304d91ac29bc6ea6632b0548593725c66aa9b027d454423e2c6413c3cc3ae6ef12ae179ca1ea8c8996619304303309219e31

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc88686FEE024ABE8DE8C19FB28F47F9.TMP

Filesize
660B

MD5
7b0ae9a1be55f3101cf69d264353d5e7

SHA1
6b0368678bdacd7dcbf5fb011a15bc028e3012de

SHA256
8ce5976cf332ba409f94a9e991590d05185ce8df32f7960b3b35bcd01986371e

SHA512
025c5d4cb081db684ceff5a88ca3763af4cbceb48876a7091ba4a1454be5a7e6eb97a6d953e0b9abe3ac64e7b0e603b33f0a3274161fdaef28092af1bbacb226

Download Submit
C:\Users\Admin\AppData\Local\Temp\xsgm5s7z.0.vb

Filesize
14KB

MD5
abe986fd958a224c992fb6aa4d8983da

SHA1
8a2eec3b7ed3232f02c4e874af968fa16aa13c9f

SHA256
ec012b4a949b642e53d751adddbc6ac3601eb40abccaa995ce4a17342d1d80a5

SHA512
a7a63ff801837b155a59b33e638f35eda3af6ba32f0fb60c60190cda47ed3817c11aa1e30ab472c68963acff13e357cbd2921ba407b4d7eb41f0417af904acd0

Download Submit
C:\Users\Admin\AppData\Local\Temp\xsgm5s7z.cmdline

Filesize
266B

MD5
7927a4e5af9c8b1de07f17468c62c2dd

SHA1
586e949bdf354dc451125c7fcaa482d09e601e08

SHA256
c6c49f4945f9dbd902d5d4a67b93ac6b3bfb489d5215484447f14a439e8d5e5c

SHA512
29f5cc7c3263315ee4f5d988d7fd8923518199d7a8761442a328f82352765a27240b3aba0d940b47843b51b6b2160279425b1eec4ed56dbd2968dcf37b0d5b3d

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

Filesize
62KB

MD5
a26b0f78faa3881bb6307a944b096e91

SHA1
42b01830723bf07d14f3086fa83c4f74f5649368

SHA256
b43ecda931e7af03f0768c905ed9fa82c03e41e566b1dff9960afc6b91ae5ab5

SHA512
a0e9c2814fca6bcf87e779592c005d7a8eef058a61f5a5443f7cf8d97e2316d0cde91ed51270bbcc23ccf68c7fc4a321a5a95a4eed75cb8d8a45cb3aa725fb9c

Download Submit
memory/396-23-0x0000000074D70000-0x0000000075321000-memory.dmp

Filesize
5.7MB

Download
memory/396-24-0x0000000074D70000-0x0000000075321000-memory.dmp

Filesize
5.7MB

Download
memory/396-25-0x0000000074D70000-0x0000000075321000-memory.dmp

Filesize
5.7MB

Download
memory/396-26-0x0000000074D70000-0x0000000075321000-memory.dmp

Filesize
5.7MB

Download
memory/396-27-0x0000000074D70000-0x0000000075321000-memory.dmp

Filesize
5.7MB

Download
memory/3800-8-0x0000000074D70000-0x0000000075321000-memory.dmp

Filesize
5.7MB

Download
memory/3800-18-0x0000000074D70000-0x0000000075321000-memory.dmp

Filesize
5.7MB

Download
memory/5016-2-0x0000000074D70000-0x0000000075321000-memory.dmp

Filesize
5.7MB

Download
memory/5016-1-0x0000000074D70000-0x0000000075321000-memory.dmp

Filesize
5.7MB

Download
memory/5016-22-0x0000000074D70000-0x0000000075321000-memory.dmp

Filesize
5.7MB

Download
memory/5016-0-0x0000000074D72000-0x0000000074D73000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads