metamorpherrat | f7fa0cfbf88e1fb21058542ad0e6284e17df761c1c1355c7406023f7186577c2

General

Target

f7fa0cfbf88e1fb21058542ad0e6284e17df761c1c1355c7406023f7186577c2N.exe
Size

78KB
MD5

0f2c47b92b876b14c9f2886a0b9779d0
SHA1

df9c4d1d416652c8422556c4beea29dd0b0b6429
SHA256

f7fa0cfbf88e1fb21058542ad0e6284e17df761c1c1355c7406023f7186577c2
SHA512

c1a9505356bb5ed8e7e5124844bfde09612d7a0a03f5ac56c18143bcbd1fd081b1ec95cdcfc0f7ee0f5e1674bfcc575a6996e89c11bba67e7613e4f6c183a1f0
SSDEEP

1536:m4V5jIXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtC67n9/O14B:m4V5jQSyRxvhTzXPvCbW2Ujn9/v

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

Executes dropped EXE 1 IoCs

pid	Process
2196	tmpDE6D.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2084	f7fa0cfbf88e1fb21058542ad0e6284e17df761c1c1355c7406023f7186577c2N.exe
2084	f7fa0cfbf88e1fb21058542ad0e6284e17df761c1c1355c7406023f7186577c2N.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmpDE6D.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	f7fa0cfbf88e1fb21058542ad0e6284e17df761c1c1355c7406023f7186577c2N.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	tmpDE6D.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2084	f7fa0cfbf88e1fb21058542ad0e6284e17df761c1c1355c7406023f7186577c2N.exe
Token: SeDebugPrivilege	2196	tmpDE6D.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 1256	2084	f7fa0cfbf88e1fb21058542ad0e6284e17df761c1c1355c7406023f7186577c2N.exe	31
PID 2084 wrote to memory of 1256	2084	f7fa0cfbf88e1fb21058542ad0e6284e17df761c1c1355c7406023f7186577c2N.exe	31
PID 2084 wrote to memory of 1256	2084	f7fa0cfbf88e1fb21058542ad0e6284e17df761c1c1355c7406023f7186577c2N.exe	31
PID 2084 wrote to memory of 1256	2084	f7fa0cfbf88e1fb21058542ad0e6284e17df761c1c1355c7406023f7186577c2N.exe	31
PID 1256 wrote to memory of 2172	1256	vbc.exe	33
PID 1256 wrote to memory of 2172	1256	vbc.exe	33
PID 1256 wrote to memory of 2172	1256	vbc.exe	33
PID 1256 wrote to memory of 2172	1256	vbc.exe	33
PID 2084 wrote to memory of 2196	2084	f7fa0cfbf88e1fb21058542ad0e6284e17df761c1c1355c7406023f7186577c2N.exe	34
PID 2084 wrote to memory of 2196	2084	f7fa0cfbf88e1fb21058542ad0e6284e17df761c1c1355c7406023f7186577c2N.exe	34
PID 2084 wrote to memory of 2196	2084	f7fa0cfbf88e1fb21058542ad0e6284e17df761c1c1355c7406023f7186577c2N.exe	34
PID 2084 wrote to memory of 2196	2084	f7fa0cfbf88e1fb21058542ad0e6284e17df761c1c1355c7406023f7186577c2N.exe	34

C:\Users\Admin\AppData\Local\Temp\f7fa0cfbf88e1fb21058542ad0e6284e17df761c1c1355c7406023f7186577c2N.exe
"C:\Users\Admin\AppData\Local\Temp\f7fa0cfbf88e1fb21058542ad0e6284e17df761c1c1355c7406023f7186577c2N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2084
- 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\j4cudu87.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1256
- - 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\RESDF58.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcDF57.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2172
- C:\Users\Admin\AppData\Local\Temp\tmpDE6D.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpDE6D.tmp.exe" C:\Users\Admin\AppData\Local\Temp\f7fa0cfbf88e1fb21058542ad0e6284e17df761c1c1355c7406023f7186577c2N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2196

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

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\RESDF58.tmp

Filesize
1KB

MD5
79fcb4e4987201f55aa934f0fc1ece33

SHA1
41b9c25be79d41c31e74f259b8d6cb56c258018a

SHA256
a1463fc24a4a682c6e1c8691d5506f5e5debffb50c0e7af25cc6347aadba4315

SHA512
4947254c67f4b18ede781a74d97633b7bd0b04452795b2f4ce2fb382d06818615ccaf502937efc221af89435ee60dae1d1d93f4b29ab3be8ea4d5d7808b034c7

Download Submit
C:\Users\Admin\AppData\Local\Temp\j4cudu87.0.vb

Filesize
14KB

MD5
b44456023818a28b2137cde7e5b612ef

SHA1
a92f51e3ddebbdcf1bb4a1922931b8b816d6179c

SHA256
d4222c5f39f87f5b10d7a2659bcebec0232d59bf6ebd63afabee1f9fc7185e16

SHA512
c0e35de2acddefecfb353e21deeac830a95eb54ba1535eb39f5ff090e5335bbcbcadedffa93a3468653284e00da81ce6596c10c933c75f307a18d59d6d910ef5

Download Submit
C:\Users\Admin\AppData\Local\Temp\j4cudu87.cmdline

Filesize
266B

MD5
ac498322cf41d86e204af32b85a37b9a

SHA1
967357f6185f9357d5e4f1215ead08dabe77013e

SHA256
ee13b1867a4f847c8d57dc5ee5de98bafef73e88c1719b0f59e9e4766de86e29

SHA512
78db729a0c4b0bfef749df6ee859f1f074c96d9a71aa14f67d4a149ad8950928244a5f1240ffa8789b0acaa319f296045456cb7fab6860c01286f8b118c3b59b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDE6D.tmp.exe

Filesize
78KB

MD5
702330579c206664ada7b0e561e18945

SHA1
9bf1c1e25fbed043df3eab2d5b7b2cf46a6d3a9a

SHA256
d14ea88bd3504dfd0e8f51b33311bffbcac731c084c442fefc54653c7694cfa1

SHA512
f18352b2ab9e009a3d1ebf3a9e1363d3d57e0e78bea0dcd969c1c8bb5772dea3cc0785bb73ad9f38324fe606455f53090e5750308c370ba4f0e514ac5c81252b

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcDF57.tmp

Filesize
660B

MD5
1d518b6533699080c881dfdf09368c03

SHA1
840bbb1151a77882d21b5fb614ee948dbcc0856a

SHA256
c82b20105c91876492aa5246ff61d29b8c1e093dd58b2f441243538a2ef53d71

SHA512
2f999974da3e7cbf9cc9a5a4ec1135190e4a4a45cdb1893eaec5dacfc1bf3eae2b636b927ffd026b2f71e14fa707f648920e459549e06864524ee5d7cc003791

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/1256-9-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/1256-18-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/2084-0-0x0000000074DA1000-0x0000000074DA2000-memory.dmp

Filesize
4KB

Download
memory/2084-2-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/2084-1-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/2084-24-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads