metamorpherrat | 996398c3b5f0c6251f3e5bd29f8881a7a7b45da475f5040a722d22a7419db6a3

General

Target

996398c3b5f0c6251f3e5bd29f8881a7a7b45da475f5040a722d22a7419db6a3N.exe
Size

78KB
MD5

0f754d41107c2f682d0513d0a297d7b0
SHA1

b0aa51275b8d9e34277874b3f99dba3c4ee053b9
SHA256

996398c3b5f0c6251f3e5bd29f8881a7a7b45da475f5040a722d22a7419db6a3
SHA512

171838b013dc5d294de64f3a4ae5c6d870c8bba71bfad3e01bb28400a174996814690f006ce294b62e9c01ba4fbcc46b4a3d7a43f3f7fde82796cedbb280a96f
SSDEEP

1536:Ee5OXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtC6uo49/m1Nr:Ee5GSyRxvhTzXPvCbW2Uh49/O

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
2008	tmpA979.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
1972	996398c3b5f0c6251f3e5bd29f8881a7a7b45da475f5040a722d22a7419db6a3N.exe
1972	996398c3b5f0c6251f3e5bd29f8881a7a7b45da475f5040a722d22a7419db6a3N.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmpA979.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	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmpA979.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	996398c3b5f0c6251f3e5bd29f8881a7a7b45da475f5040a722d22a7419db6a3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1972	996398c3b5f0c6251f3e5bd29f8881a7a7b45da475f5040a722d22a7419db6a3N.exe
Token: SeDebugPrivilege	2008	tmpA979.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 3032	1972	996398c3b5f0c6251f3e5bd29f8881a7a7b45da475f5040a722d22a7419db6a3N.exe	30
PID 1972 wrote to memory of 3032	1972	996398c3b5f0c6251f3e5bd29f8881a7a7b45da475f5040a722d22a7419db6a3N.exe	30
PID 1972 wrote to memory of 3032	1972	996398c3b5f0c6251f3e5bd29f8881a7a7b45da475f5040a722d22a7419db6a3N.exe	30
PID 1972 wrote to memory of 3032	1972	996398c3b5f0c6251f3e5bd29f8881a7a7b45da475f5040a722d22a7419db6a3N.exe	30
PID 3032 wrote to memory of 2544	3032	vbc.exe	32
PID 3032 wrote to memory of 2544	3032	vbc.exe	32
PID 3032 wrote to memory of 2544	3032	vbc.exe	32
PID 3032 wrote to memory of 2544	3032	vbc.exe	32
PID 1972 wrote to memory of 2008	1972	996398c3b5f0c6251f3e5bd29f8881a7a7b45da475f5040a722d22a7419db6a3N.exe	33
PID 1972 wrote to memory of 2008	1972	996398c3b5f0c6251f3e5bd29f8881a7a7b45da475f5040a722d22a7419db6a3N.exe	33
PID 1972 wrote to memory of 2008	1972	996398c3b5f0c6251f3e5bd29f8881a7a7b45da475f5040a722d22a7419db6a3N.exe	33
PID 1972 wrote to memory of 2008	1972	996398c3b5f0c6251f3e5bd29f8881a7a7b45da475f5040a722d22a7419db6a3N.exe	33

C:\Users\Admin\AppData\Local\Temp\996398c3b5f0c6251f3e5bd29f8881a7a7b45da475f5040a722d22a7419db6a3N.exe
"C:\Users\Admin\AppData\Local\Temp\996398c3b5f0c6251f3e5bd29f8881a7a7b45da475f5040a722d22a7419db6a3N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1972
- 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\dahqwnp7.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3032
- - 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\RESAA54.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcAA53.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2544
- C:\Users\Admin\AppData\Local\Temp\tmpA979.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpA979.tmp.exe" C:\Users\Admin\AppData\Local\Temp\996398c3b5f0c6251f3e5bd29f8881a7a7b45da475f5040a722d22a7419db6a3N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2008

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\RESAA54.tmp

Filesize
1KB

MD5
e5b1d7ea2efcc9f668d49c9862b7acdc

SHA1
1d297724c93e7de223aa00e8feb787a72a3ed780

SHA256
c35c6bae2c51b0bc03fc6313be475eaff0b06da7fde0840642a196ebe14d9743

SHA512
3b8cd692120ac4c02600aa7949d4a46676b2dca2dbcd532ca279c3b0998c79cf7961a92c9a50d476c260ed5c5bf0f50b2b27913f701c367ab28e76ecb62b3f05

Download Submit
C:\Users\Admin\AppData\Local\Temp\dahqwnp7.0.vb

Filesize
14KB

MD5
bd53bf31fcadc23e092941be875d3958

SHA1
245d871197a2d5ba75f32044ec67c63ee9721e9c

SHA256
81777a24e13d7b78f48a10337379830d63c9bd066214214f22d633faa7a246b3

SHA512
3f0b3dd74beabf85bbd76822bf81b7740584ab4ec15270394f497f081898bc5c7e3d3da0d83af800634c37293841c2c06ea69060c70f22c862fdf490ed0ae7d4

Download Submit
C:\Users\Admin\AppData\Local\Temp\dahqwnp7.cmdline

Filesize
266B

MD5
5b52484201e021b831d9c52f23dfdd7f

SHA1
cfb815755d0f8d74e12f02c0165b3b6e1efbab6f

SHA256
d6f039f1174e71b174285bdff7a5554264739c0178d319e60f5b7d0df1494150

SHA512
828fa94e73045aead11c6d20bbbe2f6fbf28c85bda3d11d3a87d54272c98bc52ac6a551f8320edbaa2f85b34e7b454dbc783498e9ca7d90027c3abe2e5ead75e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA979.tmp.exe

Filesize
78KB

MD5
41713e23e1ceb2f289cf5bdb311f5d87

SHA1
60fd94acba217c0232e57652c416b2640bcb4679

SHA256
54c40e6d430ef2bcf495bfed0f1e6ea61e13ea3e8a21475c43fe049ecbf9d3b2

SHA512
6a7463b2fdf80d105a34f993b9d0fc999b5e08fa4ccb306a9ea30e024497fedcf19354c98e9b916146c57bfb102940130cdea3c8eb1918d5234d118242a183ed

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcAA53.tmp

Filesize
660B

MD5
dbd01761ec5e3e1205b2eb3cc9e285e0

SHA1
0c8d5ff86e4bfdc70306c1c46f00f25312a581a4

SHA256
ed54bbae33982669f2e53ee250781cc1f14163aabaecf4a218930c002f55764d

SHA512
135d83e76c1ade0ea135fdd64a7253aa388ec7849aa3c0fba39ed61c26241a786107c91aae89266f9687554d85a3cf2626ae012bff8032f4d449ab7415f00661

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/1972-0-0x00000000743C1000-0x00000000743C2000-memory.dmp

Filesize
4KB

Download
memory/1972-1-0x00000000743C0000-0x000000007496B000-memory.dmp

Filesize
5.7MB

Download
memory/1972-2-0x00000000743C0000-0x000000007496B000-memory.dmp

Filesize
5.7MB

Download
memory/1972-24-0x00000000743C0000-0x000000007496B000-memory.dmp

Filesize
5.7MB

Download
memory/3032-9-0x00000000743C0000-0x000000007496B000-memory.dmp

Filesize
5.7MB

Download
memory/3032-18-0x00000000743C0000-0x000000007496B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads