metamorpherrat | 4c184591659cd508490638fce2759a6896c3a7870ae62b251498ee0578784837

General

Target

4c184591659cd508490638fce2759a6896c3a7870ae62b251498ee0578784837N.exe
Size

78KB
MD5

c3a1198b17e210186d0f8d4d59965880
SHA1

beae2dcb7ac5d4da4025f1ad6afd559a726d2453
SHA256

4c184591659cd508490638fce2759a6896c3a7870ae62b251498ee0578784837
SHA512

f72add240e530c845129fcd10548c20b6e7c6ee6378be469317eda123d91d0081341836c915ceb41eacb53ccc529a1a7fbbc1481fb3a7d03f2f52858870e7787
SSDEEP

1536:mHFo6M7t4XT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtC9/t18G:mHFonhASyRxvhTzXPvCbW2UC9/b

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	4c184591659cd508490638fce2759a6896c3a7870ae62b251498ee0578784837N.exe

Deletes itself 1 IoCs

pid	Process
4572	tmp803C.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
4572	tmp803C.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\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmp803C.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	4c184591659cd508490638fce2759a6896c3a7870ae62b251498ee0578784837N.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	tmp803C.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3116	4c184591659cd508490638fce2759a6896c3a7870ae62b251498ee0578784837N.exe
Token: SeDebugPrivilege	4572	tmp803C.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3116 wrote to memory of 3976	3116	4c184591659cd508490638fce2759a6896c3a7870ae62b251498ee0578784837N.exe	83
PID 3116 wrote to memory of 3976	3116	4c184591659cd508490638fce2759a6896c3a7870ae62b251498ee0578784837N.exe	83
PID 3116 wrote to memory of 3976	3116	4c184591659cd508490638fce2759a6896c3a7870ae62b251498ee0578784837N.exe	83
PID 3976 wrote to memory of 5052	3976	vbc.exe	85
PID 3976 wrote to memory of 5052	3976	vbc.exe	85
PID 3976 wrote to memory of 5052	3976	vbc.exe	85
PID 3116 wrote to memory of 4572	3116	4c184591659cd508490638fce2759a6896c3a7870ae62b251498ee0578784837N.exe	86
PID 3116 wrote to memory of 4572	3116	4c184591659cd508490638fce2759a6896c3a7870ae62b251498ee0578784837N.exe	86
PID 3116 wrote to memory of 4572	3116	4c184591659cd508490638fce2759a6896c3a7870ae62b251498ee0578784837N.exe	86

C:\Users\Admin\AppData\Local\Temp\4c184591659cd508490638fce2759a6896c3a7870ae62b251498ee0578784837N.exe
"C:\Users\Admin\AppData\Local\Temp\4c184591659cd508490638fce2759a6896c3a7870ae62b251498ee0578784837N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3116
- 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\qnwncdzf.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3976
- - 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\RES8146.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc2C2EA679241A462BAFD749C17AC86DD.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5052
- C:\Users\Admin\AppData\Local\Temp\tmp803C.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp803C.tmp.exe" C:\Users\Admin\AppData\Local\Temp\4c184591659cd508490638fce2759a6896c3a7870ae62b251498ee0578784837N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4572

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\RES8146.tmp

Filesize
1KB

MD5
dd98cfad5b8220aeca3659a8c7b8eda1

SHA1
06a5173590c8f9cdea1a438f78b26ed56ae94056

SHA256
505c53766c0d048d7bd92e703dc6064960314f17da7e56482b90c5f825da361e

SHA512
f80982a755bc09f45cea7b7928eff33319a0e8b6910bebe41bb83f64c9f6db4e19a70792f5f50f897b7aafec0f07f47f6ca7a95b7ba1d948a0d70db3c7359cdc

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

Filesize
15KB

MD5
250fbf567e35c6bd5f0502880489bee2

SHA1
7452681f3f3ff68c47df2b81165405f8c8e3c08c

SHA256
007ce2e9a8433ef1803a74c83e9f554af5e1bba42a9b234e5aadef335577d7eb

SHA512
ac9183d8877aaa0a3b95bff9c678a075256aa14362f0afe8aff46309a821f5c297f4a24e452bff0fcc1174f4d68df83881e1d671a0fb9fd74b106053e6339425

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

Filesize
266B

MD5
663a8fc72a31f11987c0c661dc7c6c02

SHA1
ccfe873493226e8788b4899bb0a5700bc8c6cbb0

SHA256
88e002c4d509a2da53269a8a24567bceeaa26efbd2b1855b53d28e9539c5dd66

SHA512
8380d3e461e60f61adc00fc5ec3b78bfc9262ffcc51a41d612990b38dff3a8137addf3a806b11cd6b3b47977dcf60c42521eb40009cdfdf6a93c035ed14ba39b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp803C.tmp.exe

Filesize
78KB

MD5
c2d22eef09553ecefc0089aa086bdd08

SHA1
2816b60dc811daf4671481bad53e4a061a5d3674

SHA256
56f9659655697e8ec07c6f5a2e0c9973841db8be1d384befae1d9eb1e728e86d

SHA512
b610b33abaab411ac268dbd01e753e0425b42fc6ff172e35099b93983b52d0bd14504e5bbc448effde487b23e5d8af6f23992ee4db9a17fa63b0375b6ac5a836

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc2C2EA679241A462BAFD749C17AC86DD.TMP

Filesize
660B

MD5
86c3c7d554b76e05157d76c39f5fa1f9

SHA1
86c3c0c2f7a2d8127765f8b41cf48fb06c619a74

SHA256
2b6a2e1cef12face84dbb015400357f377cf5954bfe06d75ea5e98c918f5a2c9

SHA512
61ace03d1940bc57458319398bb2b7291f0ebc4b9d80220d23aa1eefb9cbe3fc1ff535404d71340d8488e232c62bcad823a367508ee52ce9980bea579ee7e25c

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/3116-2-0x0000000074C90000-0x0000000075241000-memory.dmp

Filesize
5.7MB

Download
memory/3116-0-0x0000000074C92000-0x0000000074C93000-memory.dmp

Filesize
4KB

Download
memory/3116-1-0x0000000074C90000-0x0000000075241000-memory.dmp

Filesize
5.7MB

Download
memory/3116-22-0x0000000074C90000-0x0000000075241000-memory.dmp

Filesize
5.7MB

Download
memory/3976-9-0x0000000074C90000-0x0000000075241000-memory.dmp

Filesize
5.7MB

Download
memory/3976-18-0x0000000074C90000-0x0000000075241000-memory.dmp

Filesize
5.7MB

Download
memory/4572-23-0x0000000074C90000-0x0000000075241000-memory.dmp

Filesize
5.7MB

Download
memory/4572-25-0x0000000074C90000-0x0000000075241000-memory.dmp

Filesize
5.7MB

Download
memory/4572-26-0x0000000074C90000-0x0000000075241000-memory.dmp

Filesize
5.7MB

Download
memory/4572-27-0x0000000074C90000-0x0000000075241000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads