metamorpherrat | a59959c6d804ba6f730193f75ee4bdd8625e63dca1303b14399887dab7fcc3d9

General

Target

21edcce49c3da086da295a21d59398f0N.exe
Size

78KB
MD5

21edcce49c3da086da295a21d59398f0
SHA1

4881de423b801ba00838374f8338303d3d6dbe28
SHA256

a59959c6d804ba6f730193f75ee4bdd8625e63dca1303b14399887dab7fcc3d9
SHA512

4d7903a9b24343bfd3e95bccb1d21a5f32f3328b5c8bfc152f4dedb86a2b3fc390a25d69f4d5c5b9d41149f154b8df2b9b547f5caf7f376efa5d24df1bd41c64
SSDEEP

1536:v5jSeXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtN6f9/C1cI:v5jSWSyRxvhTzXPvCbW2UU9/2

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

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	21edcce49c3da086da295a21d59398f0N.exe

Deletes itself 1 IoCs

pid	Process
1336	tmpC3BD.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
1336	tmpC3BD.tmp.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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmpC3BD.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	21edcce49c3da086da295a21d59398f0N.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	tmpC3BD.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4964	21edcce49c3da086da295a21d59398f0N.exe
Token: SeDebugPrivilege	1336	tmpC3BD.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4964 wrote to memory of 3236	4964	21edcce49c3da086da295a21d59398f0N.exe	87
PID 4964 wrote to memory of 3236	4964	21edcce49c3da086da295a21d59398f0N.exe	87
PID 4964 wrote to memory of 3236	4964	21edcce49c3da086da295a21d59398f0N.exe	87
PID 3236 wrote to memory of 4888	3236	vbc.exe	90
PID 3236 wrote to memory of 4888	3236	vbc.exe	90
PID 3236 wrote to memory of 4888	3236	vbc.exe	90
PID 4964 wrote to memory of 1336	4964	21edcce49c3da086da295a21d59398f0N.exe	91
PID 4964 wrote to memory of 1336	4964	21edcce49c3da086da295a21d59398f0N.exe	91
PID 4964 wrote to memory of 1336	4964	21edcce49c3da086da295a21d59398f0N.exe	91

C:\Users\Admin\AppData\Local\Temp\21edcce49c3da086da295a21d59398f0N.exe
"C:\Users\Admin\AppData\Local\Temp\21edcce49c3da086da295a21d59398f0N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4964
- 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\aiskauvy.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3236
- - 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\RESC4B7.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcE761996BE6F248BF9B8B95F8AE3765E.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4888
- C:\Users\Admin\AppData\Local\Temp\tmpC3BD.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpC3BD.tmp.exe" C:\Users\Admin\AppData\Local\Temp\21edcce49c3da086da295a21d59398f0N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1336

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

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\RESC4B7.tmp

Filesize
1KB

MD5
7c4b29493dc0c078049ef8765b411d9f

SHA1
8b8810d73d8cf126367180bb801aac41e6dc8e49

SHA256
4113bb7d43685ac5ada51dc749adaa8d379c98dd615eb943d6892b9686babe0f

SHA512
10fb26534389a7cd54672a0bb214c93e55238e05b12c60d87a973fe4dbf663e2322cf85c9113c47951d186b3aadeef950d5a5cb72ff1fb9e866d29ff2a642d80

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

Filesize
14KB

MD5
6a7b73253bcea2a5d54a1eb0bec74706

SHA1
0cc18743b913bf7c00e46953419da7fbdf764fc3

SHA256
f45d6c0da22a95c7fbac0bd7aae341890e086f9cfa133774c364bdf2b7aebee1

SHA512
00be7b11427ad497303351189001e8e7eb19604a28accfafb33cb72ba66d6a25320f5c365ad3573bcbcdb74940b21108a6b59449fa4ba4b6c8137f0cef31fced

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

Filesize
266B

MD5
02aa7dfd1a61b7082ed68eb1bb64aa60

SHA1
88760818c13dc4944d725d8474749f4139732a25

SHA256
0a21ad231a498358c01c1d06154f3833eca136700a8437ec901889a8bedaddeb

SHA512
7139e17317577387c66f3588f2d1786d378e53808d097f31c0575f15a2f0c3996140077af1d45776b6b35db06e420dafff0e7a3c965edd64bb74c678532cb461

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC3BD.tmp.exe

Filesize
78KB

MD5
461c5b7a32a9965132044688e257148a

SHA1
bfd2d05ed3dd1da6e5ddbc1b27ab1d9db0479981

SHA256
29f4bc15b7e3241432b50302cd69875afd34bddc40d0a4b460687ff12434706b

SHA512
ad6c3134b622ff0bfe40819701ddcae83525469318bbdde9457b5935d834505c1d50867c48ac0ea8728257f2d524418d84dd396ea3fe7e38fc45b4ce396fce95

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcE761996BE6F248BF9B8B95F8AE3765E.TMP

Filesize
660B

MD5
3991a1285982ca217a83a2934954348a

SHA1
709c3d41e9130f37866081b2a89e9f486aa0e1da

SHA256
9952782ca855c2b184b847e96352cde6cc22958e9ba42d40091c444ae5e6172a

SHA512
185dc76bc13ddbb5564f6c5eecce041a41b0a95b2cf3f86021df447b2b50745dc24b41b6996da1de345b89e748267c604632f5326fb5164a1238c7a46746260e

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/1336-23-0x0000000074830000-0x0000000074DE1000-memory.dmp

Filesize
5.7MB

Download
memory/1336-24-0x0000000074830000-0x0000000074DE1000-memory.dmp

Filesize
5.7MB

Download
memory/1336-26-0x0000000074830000-0x0000000074DE1000-memory.dmp

Filesize
5.7MB

Download
memory/1336-27-0x0000000074830000-0x0000000074DE1000-memory.dmp

Filesize
5.7MB

Download
memory/1336-28-0x0000000074830000-0x0000000074DE1000-memory.dmp

Filesize
5.7MB

Download
memory/3236-18-0x0000000074830000-0x0000000074DE1000-memory.dmp

Filesize
5.7MB

Download
memory/3236-9-0x0000000074830000-0x0000000074DE1000-memory.dmp

Filesize
5.7MB

Download
memory/4964-2-0x0000000074830000-0x0000000074DE1000-memory.dmp

Filesize
5.7MB

Download
memory/4964-0-0x0000000074832000-0x0000000074833000-memory.dmp

Filesize
4KB

Download
memory/4964-1-0x0000000074830000-0x0000000074DE1000-memory.dmp

Filesize
5.7MB

Download
memory/4964-22-0x0000000074830000-0x0000000074DE1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads