metamorpherrat | 822bd822e6540bd7b3dedfd249f617044b122079ef4924631a241f2f31bcc2b4

General

Target

bee534f772d6d7ecbe429c77f7d15a80N.exe
Size

78KB
MD5

bee534f772d6d7ecbe429c77f7d15a80
SHA1

6487ec038d2086a324ebfaf0d6614f88d2ec3cd1
SHA256

822bd822e6540bd7b3dedfd249f617044b122079ef4924631a241f2f31bcc2b4
SHA512

e02359ec4dca58075a53798ecb9a9af23f2bc9fd48f32e830f0f45ec2bb4e120a990340f92805790037da1742c3cc4689bb5d2da89a1f260e3331d3d3f28652c
SSDEEP

1536:DRWtHY6M7t4XT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQteu9/L1tR:DRWtHYnhASyRxvhTzXPvCbW2Ueu9/J

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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	bee534f772d6d7ecbe429c77f7d15a80N.exe

Executes dropped EXE 1 IoCs

pid	Process
2840	tmpC321.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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmpC321.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	bee534f772d6d7ecbe429c77f7d15a80N.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	tmpC321.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4040	bee534f772d6d7ecbe429c77f7d15a80N.exe
Token: SeDebugPrivilege	2840	tmpC321.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4040 wrote to memory of 516	4040	bee534f772d6d7ecbe429c77f7d15a80N.exe	85
PID 4040 wrote to memory of 516	4040	bee534f772d6d7ecbe429c77f7d15a80N.exe	85
PID 4040 wrote to memory of 516	4040	bee534f772d6d7ecbe429c77f7d15a80N.exe	85
PID 516 wrote to memory of 3128	516	vbc.exe	88
PID 516 wrote to memory of 3128	516	vbc.exe	88
PID 516 wrote to memory of 3128	516	vbc.exe	88
PID 4040 wrote to memory of 2840	4040	bee534f772d6d7ecbe429c77f7d15a80N.exe	90
PID 4040 wrote to memory of 2840	4040	bee534f772d6d7ecbe429c77f7d15a80N.exe	90
PID 4040 wrote to memory of 2840	4040	bee534f772d6d7ecbe429c77f7d15a80N.exe	90

C:\Users\Admin\AppData\Local\Temp\bee534f772d6d7ecbe429c77f7d15a80N.exe
"C:\Users\Admin\AppData\Local\Temp\bee534f772d6d7ecbe429c77f7d15a80N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4040
- 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\byxrten8.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:516
- - 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\RESC4A8.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc63AC15F0F45B47349AD7764C66E222C3.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3128
- C:\Users\Admin\AppData\Local\Temp\tmpC321.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpC321.tmp.exe" C:\Users\Admin\AppData\Local\Temp\bee534f772d6d7ecbe429c77f7d15a80N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2840

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RESC4A8.tmp

Filesize
1KB

MD5
1608c31a7237b16d6b2b36920f4f1a7e

SHA1
fc1ed322e2c35ad3e43718576e9976c621f71514

SHA256
e28d843ae0615761e8df1071c2d88edc94c5e45e44f5c0bc5703a2b24d86a2ac

SHA512
e81d8cb566b2f70e43581ce28c220390c864f1cf0a59214bb8a180954d6b857366f55646eeb7e623f531b7729a609e2b9586c6db3f0b95381269f9ed607c2a67

Download Submit
C:\Users\Admin\AppData\Local\Temp\byxrten8.0.vb

Filesize
15KB

MD5
4ccb439887c39ab0281c8b8eaee9780b

SHA1
77c3441bacc7a1f6881e4d6799215b606f56d74c

SHA256
1fbe637d0d31dc599e1d542854f1e3c47339e56162af0a89d0469998027b54b0

SHA512
a9cecf8fc5a7a3117d6614b1d0e6e5e1c9c940c7094522ce4d470fc66d716747818e2f8982a6c09f6afd32d7843d07cb0bce75176d42c75b8d092b5aa1131615

Download Submit
C:\Users\Admin\AppData\Local\Temp\byxrten8.cmdline

Filesize
266B

MD5
1a7c010a469f80ff3ddc2ebd2bc6cf68

SHA1
5ccc118cfbacbd0a9ef7a7438f2824bbb2e0fda5

SHA256
4a93c94759f0e33015afa9b79caebbeae0c5dafe6075ebc250bf73a868597894

SHA512
2e4c6bb1f122d43974cf8b35194bf27f9db727463af519ac19c0845715d94c6dec49ab10703e7f8dacd1a45d29b959c828339b4571c14a4e2b708ec126612ca1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC321.tmp.exe

Filesize
78KB

MD5
1ccd4c1f147679ad45920ca9189388f1

SHA1
dedbdddd5626d08b3d62a1d2aa819e6460673e05

SHA256
65c23672a858630c7bba40556d7fb8260fc45458363bdb61a887ef1930a14254

SHA512
793d6b2eacf23b4933327d6b29739e2ef755ddc5a58d6954e4a2faf30a748651bcc947d0df90f3d0a1fa2cceafe70b15e416da27b8a77dff075c763d2e333bc1

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc63AC15F0F45B47349AD7764C66E222C3.TMP

Filesize
660B

MD5
de5ed4ddb7ea770b62ec5b655995945f

SHA1
e03efbf80603df75873bb683a3a8eba0047e3834

SHA256
7884b175653e6f6869dc9ecd31618b5c45a4745a683f3a3b8cde602a047f2191

SHA512
10bdfb6f5ccf315650b1b5ef6109c0d69d3c8bbbe248c00bc5e6dba29336508bf2206d68e52dcf16346f9e1cc9929e99e5ba8d131ab9cb23033e406ab9d44e88

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/516-18-0x0000000074AF0000-0x00000000750A1000-memory.dmp

Filesize
5.7MB

Download
memory/516-9-0x0000000074AF0000-0x00000000750A1000-memory.dmp

Filesize
5.7MB

Download
memory/2840-24-0x0000000074AF0000-0x00000000750A1000-memory.dmp

Filesize
5.7MB

Download
memory/2840-23-0x0000000074AF0000-0x00000000750A1000-memory.dmp

Filesize
5.7MB

Download
memory/2840-26-0x0000000074AF0000-0x00000000750A1000-memory.dmp

Filesize
5.7MB

Download
memory/2840-27-0x0000000074AF0000-0x00000000750A1000-memory.dmp

Filesize
5.7MB

Download
memory/2840-28-0x0000000074AF0000-0x00000000750A1000-memory.dmp

Filesize
5.7MB

Download
memory/4040-2-0x0000000074AF0000-0x00000000750A1000-memory.dmp

Filesize
5.7MB

Download
memory/4040-1-0x0000000074AF0000-0x00000000750A1000-memory.dmp

Filesize
5.7MB

Download
memory/4040-0-0x0000000074AF2000-0x0000000074AF3000-memory.dmp

Filesize
4KB

Download
memory/4040-22-0x0000000074AF0000-0x00000000750A1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads