metamorpherrat | d3fc20c0c4f0d0c409baf8d6c7f12adba7b02b0c67981f1b90edb0301213f5ca

General

Target

a8ca296abceb1c25ad1290eb527591e0N.exe
Size

78KB
MD5

a8ca296abceb1c25ad1290eb527591e0
SHA1

5eb76492b063dd942c146046d31dd00b3b9edb06
SHA256

d3fc20c0c4f0d0c409baf8d6c7f12adba7b02b0c67981f1b90edb0301213f5ca
SHA512

da55d545094314db17ffc7d75b1938819523714f23ce86d1970cde3f1cf681f0d19da7b09a8cb4db398514558cdc3998852316a8686209064b7fc96f3b7b7fd3
SSDEEP

1536:Gy5mXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQt96169/61Mg:Gy5uSyRxvhTzXPvCbW2UG69/W

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
2808	tmpB9DD.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
1964	a8ca296abceb1c25ad1290eb527591e0N.exe
1964	a8ca296abceb1c25ad1290eb527591e0N.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-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmpB9DD.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	tmpB9DD.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a8ca296abceb1c25ad1290eb527591e0N.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1964	a8ca296abceb1c25ad1290eb527591e0N.exe
Token: SeDebugPrivilege	2808	tmpB9DD.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 1648	1964	a8ca296abceb1c25ad1290eb527591e0N.exe	30
PID 1964 wrote to memory of 1648	1964	a8ca296abceb1c25ad1290eb527591e0N.exe	30
PID 1964 wrote to memory of 1648	1964	a8ca296abceb1c25ad1290eb527591e0N.exe	30
PID 1964 wrote to memory of 1648	1964	a8ca296abceb1c25ad1290eb527591e0N.exe	30
PID 1648 wrote to memory of 2260	1648	vbc.exe	32
PID 1648 wrote to memory of 2260	1648	vbc.exe	32
PID 1648 wrote to memory of 2260	1648	vbc.exe	32
PID 1648 wrote to memory of 2260	1648	vbc.exe	32
PID 1964 wrote to memory of 2808	1964	a8ca296abceb1c25ad1290eb527591e0N.exe	33
PID 1964 wrote to memory of 2808	1964	a8ca296abceb1c25ad1290eb527591e0N.exe	33
PID 1964 wrote to memory of 2808	1964	a8ca296abceb1c25ad1290eb527591e0N.exe	33
PID 1964 wrote to memory of 2808	1964	a8ca296abceb1c25ad1290eb527591e0N.exe	33

C:\Users\Admin\AppData\Local\Temp\a8ca296abceb1c25ad1290eb527591e0N.exe
"C:\Users\Admin\AppData\Local\Temp\a8ca296abceb1c25ad1290eb527591e0N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1964
- 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\m5pciz58.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1648
- - 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\RESBAC8.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcBAC7.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2260
- C:\Users\Admin\AppData\Local\Temp\tmpB9DD.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpB9DD.tmp.exe" C:\Users\Admin\AppData\Local\Temp\a8ca296abceb1c25ad1290eb527591e0N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2808

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

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\RESBAC8.tmp

Filesize
1KB

MD5
4398a5d2de6fe5ec4d59c038569086e5

SHA1
034c00758f870d43450d174cf8ebcaf5782a8af9

SHA256
7700690bc29fd370d11ffa3c246e5237a3243cf6c899a1f1d62d2593a805f61f

SHA512
ac41ab8875b33602f07357e53c8fe0761914c985a7a1a6bb8d6c671c966790a0ce242b0eb7fd7ff0258ac359ccb92c93759328766f8e997b6b29d0af71c2a0b5

Download Submit
C:\Users\Admin\AppData\Local\Temp\m5pciz58.0.vb

Filesize
14KB

MD5
3347d7e1dc6cd37c2cd679800db7b8e0

SHA1
c9649a3b2abbde1429e9b17f99ccd91d7e2774fa

SHA256
dbe957e18efb6fb107e69099955c499946727c2a474277d40ec7539c15f8494c

SHA512
c980812a87178c4271f92165a9cccce518ff2e7a66bca1ccc3d99f661fb1740d9d4cf7ff8818f0522462f65b261c5f333cd01b9832ffb914532d903b0426b8ca

Download Submit
C:\Users\Admin\AppData\Local\Temp\m5pciz58.cmdline

Filesize
266B

MD5
01eba1f77338bb77ce992ae801d42ac4

SHA1
4cc296de0d8e817989d19769e9747818d84e9c1e

SHA256
8bc173331425f54cad6e79e80dd91b27d3e16ae16af6866f895388ec87fc6407

SHA512
632a954e164964c50980e407ffeb161a2e865bcca5909e0dbc3c4e0f9fbe89463a9f472814dfa96ae02f915a5505373c1fecb0e95f22f90cfd2a2ac76b89195e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB9DD.tmp.exe

Filesize
78KB

MD5
0f13a9b9f7e6e46d559c2dae1a39e741

SHA1
e2d4bce5acf8457b7c276b683af24d61ff238001

SHA256
1fa2a98bcc1ecbc8f45b10f31ea8ccd11d1ec0c65036d9e6615e45042071a62c

SHA512
5bbea24f7c1fda7087ae954cac38aa1c9ca4ee9e09d66b7f62d8536aa9b24a40a1a3c11e01ca39725af2eb5dfe98f13abbf2d72f14b4aeeee15d7ec12bb9bdfc

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcBAC7.tmp

Filesize
660B

MD5
282fabf91af8bf378fb954d13a32c947

SHA1
c4f7789c3e72fbd53f7e535bfdac479212fb27e3

SHA256
e676287da555723a5a269caa081534b9fe919a4e71749eed3cc4c0b2daaea844

SHA512
7b6c5b51147c615a62c62e20584c7781396dd5fd6ab224f9334e046dd89be0ebc4fe83e74a38e0424fe59d192f777983ceca216cc664479edf6e0fcc7b689338

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/1648-8-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/1648-18-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/1964-0-0x00000000741C1000-0x00000000741C2000-memory.dmp

Filesize
4KB

Download
memory/1964-1-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/1964-2-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/1964-24-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads