metamorpherrat | a0b147e32515025bdeff6ff73269866087184d18eb5f340d2c9f24df326a574e

General

Target

a0b147e32515025bdeff6ff73269866087184d18eb5f340d2c9f24df326a574eN.exe
Size

78KB
MD5

a65c69d42cc4f3c745b06cb637fb4e10
SHA1

2ad3690ac16f708eb6ba306aa24b981b193191c0
SHA256

a0b147e32515025bdeff6ff73269866087184d18eb5f340d2c9f24df326a574e
SHA512

c26b9c888c5776036d3ee80bfda06d8e5fb0343560e3735e598875a43a92d7cdc171c9bafa93706023f0bb6a3b8d30b7b9636fd8ce6f67aa3b4872e89181505d
SSDEEP

1536:Vy58AXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtN6B9/u1y0:Vy584SyRxvhTzXPvCbW2U69/Q

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
2696	tmpA19C.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
1724	a0b147e32515025bdeff6ff73269866087184d18eb5f340d2c9f24df326a574eN.exe
1724	a0b147e32515025bdeff6ff73269866087184d18eb5f340d2c9f24df326a574eN.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmpA19C.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	a0b147e32515025bdeff6ff73269866087184d18eb5f340d2c9f24df326a574eN.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	tmpA19C.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1724	a0b147e32515025bdeff6ff73269866087184d18eb5f340d2c9f24df326a574eN.exe
Token: SeDebugPrivilege	2696	tmpA19C.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 2580	1724	a0b147e32515025bdeff6ff73269866087184d18eb5f340d2c9f24df326a574eN.exe	30
PID 1724 wrote to memory of 2580	1724	a0b147e32515025bdeff6ff73269866087184d18eb5f340d2c9f24df326a574eN.exe	30
PID 1724 wrote to memory of 2580	1724	a0b147e32515025bdeff6ff73269866087184d18eb5f340d2c9f24df326a574eN.exe	30
PID 1724 wrote to memory of 2580	1724	a0b147e32515025bdeff6ff73269866087184d18eb5f340d2c9f24df326a574eN.exe	30
PID 2580 wrote to memory of 2152	2580	vbc.exe	32
PID 2580 wrote to memory of 2152	2580	vbc.exe	32
PID 2580 wrote to memory of 2152	2580	vbc.exe	32
PID 2580 wrote to memory of 2152	2580	vbc.exe	32
PID 1724 wrote to memory of 2696	1724	a0b147e32515025bdeff6ff73269866087184d18eb5f340d2c9f24df326a574eN.exe	33
PID 1724 wrote to memory of 2696	1724	a0b147e32515025bdeff6ff73269866087184d18eb5f340d2c9f24df326a574eN.exe	33
PID 1724 wrote to memory of 2696	1724	a0b147e32515025bdeff6ff73269866087184d18eb5f340d2c9f24df326a574eN.exe	33
PID 1724 wrote to memory of 2696	1724	a0b147e32515025bdeff6ff73269866087184d18eb5f340d2c9f24df326a574eN.exe	33

C:\Users\Admin\AppData\Local\Temp\a0b147e32515025bdeff6ff73269866087184d18eb5f340d2c9f24df326a574eN.exe
"C:\Users\Admin\AppData\Local\Temp\a0b147e32515025bdeff6ff73269866087184d18eb5f340d2c9f24df326a574eN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1724
- 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\mzezcgus.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2580
- - 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\RESA239.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcA238.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2152
- C:\Users\Admin\AppData\Local\Temp\tmpA19C.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpA19C.tmp.exe" C:\Users\Admin\AppData\Local\Temp\a0b147e32515025bdeff6ff73269866087184d18eb5f340d2c9f24df326a574eN.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2696

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\RESA239.tmp

Filesize
1KB

MD5
86668ee4a9972ec5dda1c2d0e4a42642

SHA1
e4ddbf779c5d2bb526246517736698b21ebf4eaf

SHA256
9a32a4bed6cbf507ac04bc823dfc74e7377dfa04c6823908e49e0f855b51df05

SHA512
84201d51aa6dba8e170d025477e7294ab35ccf4f650e2a07c435a31c8ee617d2936286144e711262a4a5f41ba987a07a76ad3562b76278c04b28562baf9a6e34

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

Filesize
14KB

MD5
8c267c83403430f92371df46488b264b

SHA1
1ed73c23d61829cfdd78c1fe2c8ab292819f0fcf

SHA256
aaa098ad19c5d98c8c2fabe4bbf0b785b3e01cea2ae90bb74a881c97db68968e

SHA512
d55e834d4b8b3653cfb8059061ffb67ad5f53ba7f65dcc968889e538b426f00b381863e72e1c0972c8475311d335071ba16a8fc80936214452e3e6ab419e1479

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

Filesize
266B

MD5
082a57c0c37ca6c0a704c8919be0749e

SHA1
ef89b69a946ffbd04e1ffc599f821cb67cdec5dd

SHA256
84a80c0a5d8a724380d40d8802056ca88ec60ee3145494a49b81e4bf1a085abc

SHA512
a32a7a8fb0903d3f1592ad91749af231f5fb30c655561152ae63282357e1863a530cbff0d7af675a5c73ee493a0c4680cb6f181b8e4c9b3254f9ae7943fd4a19

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA19C.tmp.exe

Filesize
78KB

MD5
91d8449df4d7e2f362901042204256ae

SHA1
b7e2579cd38594bd244c0e2e956c6d7f6e5de9b0

SHA256
8ab6bc3c0bc8de01c153db56b50dff9f86d599c1d6d45c5d62ff0465588ff419

SHA512
976c10f3cedd95eac939d0b2711dfc4b74c9806d813fddfd7ca678ca88e5dfd5ebe9fc124bbe09d93db2cc6ffdba822669b4181c82be634a6207730bbe2e1dd8

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcA238.tmp

Filesize
660B

MD5
aab7e2b26774828cbfcb5f70672378df

SHA1
9f715b2b6fcfe150fbfd7fe8c0fd17415491846d

SHA256
d3c3dbd8a9c7c152149f63f58864048efd3a19c6085d8bbd77958740912ee7b6

SHA512
3ca09f06155c09023b402bbc0ac86e72150940780a0c610f3cc67cbc3fe0ae7d70c09c1145d7df36939f3fc32e3f2df0c025524fddff51df0bea71bb2fc89876

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/1724-0-0x0000000074CC1000-0x0000000074CC2000-memory.dmp

Filesize
4KB

Download
memory/1724-1-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/1724-2-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/1724-24-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/2580-8-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/2580-18-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads