metamorpherrat | 6ca8a2394be1fd44474d0b067068fe33a4f09b635a5b3ddd69a1791491530526

General

Target

9644bf2e0888b5d495ae2e347b4a62f0N.exe
Size

78KB
MD5

9644bf2e0888b5d495ae2e347b4a62f0
SHA1

16cc2c83a8e3a913172fff0f2ab9b29ae0925d90
SHA256

6ca8a2394be1fd44474d0b067068fe33a4f09b635a5b3ddd69a1791491530526
SHA512

e594e168c019223d44cf05d1d47430cbe8acf833ecb8c0cdd00821fee932a3c0902cb0be94f36267d4cf9a52c2b70ead1fc32a106893fa40a4d52748ba947ce7
SSDEEP

1536:zPWV58PXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQt961E9/S1KM:zPWV58vSyRxvhTzXPvCbW2UGE9/g

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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	9644bf2e0888b5d495ae2e347b4a62f0N.exe

Executes dropped EXE 1 IoCs

pid	Process
3248	tmp8750.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-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmp8750.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	tmp8750.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9644bf2e0888b5d495ae2e347b4a62f0N.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2284	9644bf2e0888b5d495ae2e347b4a62f0N.exe
Token: SeDebugPrivilege	3248	tmp8750.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2284 wrote to memory of 4784	2284	9644bf2e0888b5d495ae2e347b4a62f0N.exe	86
PID 2284 wrote to memory of 4784	2284	9644bf2e0888b5d495ae2e347b4a62f0N.exe	86
PID 2284 wrote to memory of 4784	2284	9644bf2e0888b5d495ae2e347b4a62f0N.exe	86
PID 4784 wrote to memory of 3572	4784	vbc.exe	88
PID 4784 wrote to memory of 3572	4784	vbc.exe	88
PID 4784 wrote to memory of 3572	4784	vbc.exe	88
PID 2284 wrote to memory of 3248	2284	9644bf2e0888b5d495ae2e347b4a62f0N.exe	89
PID 2284 wrote to memory of 3248	2284	9644bf2e0888b5d495ae2e347b4a62f0N.exe	89
PID 2284 wrote to memory of 3248	2284	9644bf2e0888b5d495ae2e347b4a62f0N.exe	89

C:\Users\Admin\AppData\Local\Temp\9644bf2e0888b5d495ae2e347b4a62f0N.exe
"C:\Users\Admin\AppData\Local\Temp\9644bf2e0888b5d495ae2e347b4a62f0N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2284
- 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\eymnt5pn.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4784
- - 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\RES882B.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc3BC0BB1855644BCA99EC39F494CC6121.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3572
- C:\Users\Admin\AppData\Local\Temp\tmp8750.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp8750.tmp.exe" C:\Users\Admin\AppData\Local\Temp\9644bf2e0888b5d495ae2e347b4a62f0N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3248

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\RES882B.tmp

Filesize
1KB

MD5
52d5f30fafddcdcae6e7a54cab365b24

SHA1
450bc4db09bd89a8203a2db7990213b47d6c7298

SHA256
57376bb87ce123dcb8fae8c084c3b09f19c3db74114e5bda5dfe8c02c1c8a526

SHA512
626814b0ee88eae7c57e91d326e11e9c36694e67fb636090049ffcb5591ff92bcd7a7e1361938eef13a246e7082d5403f305fbd804ed66111b221bea0ecf1f69

Download Submit
C:\Users\Admin\AppData\Local\Temp\eymnt5pn.0.vb

Filesize
14KB

MD5
829a79323a55e16de08150ea7b7844ba

SHA1
709a93f9a6e4b2043b1938e27d68e32ac2ad12aa

SHA256
e6450e5eb8fa79aaeb21fc6535fa8d1f0852b97e5dbdfd1171a52913986362b0

SHA512
9e520cb9e3a0623667607598ef90dabb83713db132dcaff4cd112125375a33af8d221c25e105685619aede4ed48a14cf447ed774f3663c0cea60f63e4bc87c03

Download Submit
C:\Users\Admin\AppData\Local\Temp\eymnt5pn.cmdline

Filesize
266B

MD5
eb2cbfc2ddbec3616ac22995e52abb8b

SHA1
118705710955a38c38a28ee98e34867141a39b7b

SHA256
da08406010310d2e0983dc08e20730030b99e958b85b08deae5338f1353ac1bf

SHA512
a3eb08b6a44dee2cbf98bdcd801529cf541bc094190c457a6717154238422118be2b429df037a9929d1ff20b8255f924dd015ee304624b6acffc417dfab87fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8750.tmp.exe

Filesize
78KB

MD5
433530d3379c1f03219fcb4fdb5d1bba

SHA1
02483b002ea1f34e60e780b5b72f0b2f780ac048

SHA256
5a645dcbf7969071a4be5dba5c72291b9d3d3c28cfd323285997483db02ae41a

SHA512
de702662b431496e50323adb19d41d102e933aa745253106a656bec230bf2360e6c7bd846e00970ef5339b24c0cafa6bdc2e2ceb0e52c4015aa1f86e9e443b5e

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc3BC0BB1855644BCA99EC39F494CC6121.TMP

Filesize
660B

MD5
0d3241bea26d659491d943612fc841ab

SHA1
e7aafb2ecbdf8acf1312123b9f7fc225ce120fd5

SHA256
a68499567768ffb7a6c96b8653282376755be70a37206e1fb2e8eebf89a76bfa

SHA512
59f089e854dc8b99b126eb15ec574bc659f68d97bda00b56f2f2a53e5a3ddbb1150294b4e602625844c42df6a482d9af545980054f7c63abed7f91be08e5199c

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/2284-1-0x0000000075560000-0x0000000075B11000-memory.dmp

Filesize
5.7MB

Download
memory/2284-2-0x0000000075560000-0x0000000075B11000-memory.dmp

Filesize
5.7MB

Download
memory/2284-0-0x0000000075562000-0x0000000075563000-memory.dmp

Filesize
4KB

Download
memory/2284-22-0x0000000075560000-0x0000000075B11000-memory.dmp

Filesize
5.7MB

Download
memory/3248-23-0x0000000075560000-0x0000000075B11000-memory.dmp

Filesize
5.7MB

Download
memory/3248-25-0x0000000075560000-0x0000000075B11000-memory.dmp

Filesize
5.7MB

Download
memory/3248-24-0x0000000075560000-0x0000000075B11000-memory.dmp

Filesize
5.7MB

Download
memory/3248-27-0x0000000075560000-0x0000000075B11000-memory.dmp

Filesize
5.7MB

Download
memory/3248-28-0x0000000075560000-0x0000000075B11000-memory.dmp

Filesize
5.7MB

Download
memory/3248-29-0x0000000075560000-0x0000000075B11000-memory.dmp

Filesize
5.7MB

Download
memory/4784-18-0x0000000075560000-0x0000000075B11000-memory.dmp

Filesize
5.7MB

Download
memory/4784-8-0x0000000075560000-0x0000000075B11000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads