metamorpherrat | 1275704c6fcb4f3c5a7debd7059fb0744b9ab5d95f0a408e7f47b844e3cdb5f0

General

Target

1275704c6fcb4f3c5a7debd7059fb0744b9ab5d95f0a408e7f47b844e3cdb5f0N.exe
Size

78KB
MD5

7b4b36ee8b8dc68f31653e1b914cd9c0
SHA1

2b20f69b37060b272e4374661deeba18b17bd7b0
SHA256

1275704c6fcb4f3c5a7debd7059fb0744b9ab5d95f0a408e7f47b844e3cdb5f0
SHA512

31eb2bbcef6f4dc8e128ad4c57fd9f809b727c50bda05e9d8d010ce98a425e4e45327648a2b3681c695f4827b9dcaf7ede5a356dcd86cdbf0dc076e7c9fea299
SSDEEP

1536:/y5jIXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtC6m9/q1tV:/y5jQSyRxvhTzXPvCbW2UO9/0

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

Executes dropped EXE 1 IoCs

pid	Process
2776	tmp9849.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
812	1275704c6fcb4f3c5a7debd7059fb0744b9ab5d95f0a408e7f47b844e3cdb5f0N.exe
812	1275704c6fcb4f3c5a7debd7059fb0744b9ab5d95f0a408e7f47b844e3cdb5f0N.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmp9849.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	1275704c6fcb4f3c5a7debd7059fb0744b9ab5d95f0a408e7f47b844e3cdb5f0N.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	tmp9849.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	812	1275704c6fcb4f3c5a7debd7059fb0744b9ab5d95f0a408e7f47b844e3cdb5f0N.exe
Token: SeDebugPrivilege	2776	tmp9849.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 812 wrote to memory of 2404	812	1275704c6fcb4f3c5a7debd7059fb0744b9ab5d95f0a408e7f47b844e3cdb5f0N.exe	30
PID 812 wrote to memory of 2404	812	1275704c6fcb4f3c5a7debd7059fb0744b9ab5d95f0a408e7f47b844e3cdb5f0N.exe	30
PID 812 wrote to memory of 2404	812	1275704c6fcb4f3c5a7debd7059fb0744b9ab5d95f0a408e7f47b844e3cdb5f0N.exe	30
PID 812 wrote to memory of 2404	812	1275704c6fcb4f3c5a7debd7059fb0744b9ab5d95f0a408e7f47b844e3cdb5f0N.exe	30
PID 2404 wrote to memory of 1108	2404	vbc.exe	32
PID 2404 wrote to memory of 1108	2404	vbc.exe	32
PID 2404 wrote to memory of 1108	2404	vbc.exe	32
PID 2404 wrote to memory of 1108	2404	vbc.exe	32
PID 812 wrote to memory of 2776	812	1275704c6fcb4f3c5a7debd7059fb0744b9ab5d95f0a408e7f47b844e3cdb5f0N.exe	33
PID 812 wrote to memory of 2776	812	1275704c6fcb4f3c5a7debd7059fb0744b9ab5d95f0a408e7f47b844e3cdb5f0N.exe	33
PID 812 wrote to memory of 2776	812	1275704c6fcb4f3c5a7debd7059fb0744b9ab5d95f0a408e7f47b844e3cdb5f0N.exe	33
PID 812 wrote to memory of 2776	812	1275704c6fcb4f3c5a7debd7059fb0744b9ab5d95f0a408e7f47b844e3cdb5f0N.exe	33

C:\Users\Admin\AppData\Local\Temp\1275704c6fcb4f3c5a7debd7059fb0744b9ab5d95f0a408e7f47b844e3cdb5f0N.exe
"C:\Users\Admin\AppData\Local\Temp\1275704c6fcb4f3c5a7debd7059fb0744b9ab5d95f0a408e7f47b844e3cdb5f0N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:812
- 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\uzb_la9d.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2404
- - 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\RES99E0.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc99CF.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1108
- C:\Users\Admin\AppData\Local\Temp\tmp9849.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp9849.tmp.exe" C:\Users\Admin\AppData\Local\Temp\1275704c6fcb4f3c5a7debd7059fb0744b9ab5d95f0a408e7f47b844e3cdb5f0N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2776

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

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\RES99E0.tmp

Filesize
1KB

MD5
bcc2a9fbb20b1b4fea137bd049a7f7ec

SHA1
a8d43497678df956537a6c79e9561e31b0b032ac

SHA256
37b8cfa4743d92e671734be9a73ab922ee949aec76f9003b44957604c3917671

SHA512
7989af17d941a5c89055efa6d7a2e3a7033b1544857033e61a7df9997e86362fa153992e062f3e729c363a604f932f528a65495f6c8a298b806e97bac57b2852

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9849.tmp.exe

Filesize
78KB

MD5
2da78154760e32936a2ac77431433b53

SHA1
c260c188f4ce1f6e332ec21016442bdfae3f2e5a

SHA256
fc936fbc20f73c63ed2c1f616e4534252a29c4cbdc7bc4ea580d319bf15350c3

SHA512
98675383b763aadb5ed8df2f9e9a706640a706f373e36154224c64175e50e32c4a8a783eb41a4191729abf19760d162def2a32b01dd4d82bb180fdfea2031611

Download Submit
C:\Users\Admin\AppData\Local\Temp\uzb_la9d.0.vb

Filesize
14KB

MD5
ea9d18f1b062c1ddf5b994d76e79dd75

SHA1
cc28e0f78a6a3f5a56df322021ec8f7fec53db85

SHA256
8d024f8196394782766a6e845c87eb7833cf381a883d7e9e84922b8de3654a53

SHA512
cd96358d81187c5a60f1dc332d3ddb03c970afe856959edeed2bdd446535cad947ac613385836af1250ff778dc64120a6d3a2e6364d9a01971df429dbfccb9ad

Download Submit
C:\Users\Admin\AppData\Local\Temp\uzb_la9d.cmdline

Filesize
266B

MD5
ad4ff3df5a03b050ecb7922c62dd7a2c

SHA1
7268aac24c965e8046be57c2b6cccea2c429b752

SHA256
d2a2b16d55c2b3e4a010a3684a29c7c313dd182b66fb3e96192a367c636c2eb7

SHA512
7848c6ad7feb4cfa69862766c718fa6a7376ec8889f47a210ffbcf37fee040693010c843f4b21c5e3fc91551448ffc12b70792b9ca7941da2ec47657ebe82d71

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc99CF.tmp

Filesize
660B

MD5
cf127a31b7ef557726c002a6dd013e95

SHA1
c7da389a88a98bf8f8119ea351c8df59a0845ccf

SHA256
a3dce558d67e233c758edcaa5ba99d570980843915337d66512f66ecb4eb6052

SHA512
be3d796b902e08da7a59381a0f6de9dfefc4548c3833919606ca9e6576ce58f3a1386d948e238554edb978f488f8d70c1c2418645283351c890e729862332474

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/812-0-0x00000000741C1000-0x00000000741C2000-memory.dmp

Filesize
4KB

Download
memory/812-2-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/812-1-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/812-24-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/2404-8-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/2404-18-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads