56f6a0b5eaad6add2e0178407f31f462c432e614da0c86a8c803747589066855

Analysis

max time kernel
145s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05/03/2024, 16:22

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General

Target

b52254949fd52113e0888401f2ddfb76.exe
Size

323KB
MD5

b52254949fd52113e0888401f2ddfb76
SHA1

4ee5d96d55819ba88030f67bbb266273b308d55b
SHA256

56f6a0b5eaad6add2e0178407f31f462c432e614da0c86a8c803747589066855
SHA512

dd8ffe0cb977b2eb7f26505ec0a316ece3ba5e20641e09594e038ca86bf842347f601f4491fb262d24fb4da235942a7ed1551f670add62c972dbe81df9fcf0f6
SSDEEP

6144:8WE5Op3aq/md4qKMjD/goFARqmqXcTs17ppL7gpbnAapYUpRr9uW:8B5OpqgbpIpFiHk7nL7SuW

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2616	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2996	vrcvznrwei.exe

Loads dropped DLL 3 IoCs

pid	Process
2616	cmd.exe
2616	cmd.exe
2996	vrcvznrwei.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
2972	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2724	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2972	taskkill.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 460 wrote to memory of 2616	460	b52254949fd52113e0888401f2ddfb76.exe	28
PID 460 wrote to memory of 2616	460	b52254949fd52113e0888401f2ddfb76.exe	28
PID 460 wrote to memory of 2616	460	b52254949fd52113e0888401f2ddfb76.exe	28
PID 460 wrote to memory of 2616	460	b52254949fd52113e0888401f2ddfb76.exe	28
PID 2616 wrote to memory of 2972	2616	cmd.exe	30
PID 2616 wrote to memory of 2972	2616	cmd.exe	30
PID 2616 wrote to memory of 2972	2616	cmd.exe	30
PID 2616 wrote to memory of 2972	2616	cmd.exe	30
PID 2616 wrote to memory of 2724	2616	cmd.exe	32
PID 2616 wrote to memory of 2724	2616	cmd.exe	32
PID 2616 wrote to memory of 2724	2616	cmd.exe	32
PID 2616 wrote to memory of 2724	2616	cmd.exe	32
PID 2616 wrote to memory of 2996	2616	cmd.exe	33
PID 2616 wrote to memory of 2996	2616	cmd.exe	33
PID 2616 wrote to memory of 2996	2616	cmd.exe	33
PID 2616 wrote to memory of 2996	2616	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\b52254949fd52113e0888401f2ddfb76.exe
"C:\Users\Admin\AppData\Local\Temp\b52254949fd52113e0888401f2ddfb76.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:460
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 460 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\b52254949fd52113e0888401f2ddfb76.exe" & start C:\Users\Admin\AppData\Local\VRCVZN~1.EXE -f
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2616
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 460
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2972
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - Runs ping.exe
    PID:2724
- - C:\Users\Admin\AppData\Local\vrcvznrwei.exe
    C:\Users\Admin\AppData\Local\VRCVZN~1.EXE -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:2996

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\vrcvznrwei.exe

Filesize
323KB

MD5
b52254949fd52113e0888401f2ddfb76

SHA1
4ee5d96d55819ba88030f67bbb266273b308d55b

SHA256
56f6a0b5eaad6add2e0178407f31f462c432e614da0c86a8c803747589066855

SHA512
dd8ffe0cb977b2eb7f26505ec0a316ece3ba5e20641e09594e038ca86bf842347f601f4491fb262d24fb4da235942a7ed1551f670add62c972dbe81df9fcf0f6

Download Submit
memory/460-0-0x0000000000230000-0x0000000000232000-memory.dmp

Filesize
8KB

Download
memory/460-1-0x0000000001000000-0x00000000010B6000-memory.dmp

Filesize
728KB

Download
memory/460-2-0x0000000000220000-0x0000000000222000-memory.dmp

Filesize
8KB

Download
memory/460-4-0x0000000001000000-0x00000000010B6000-memory.dmp

Filesize
728KB

Download
memory/2996-9-0x0000000001000000-0x00000000010B6000-memory.dmp

Filesize
728KB

Download
memory/2996-10-0x00000000002A0000-0x00000000002A2000-memory.dmp

Filesize
8KB

Download
memory/2996-12-0x0000000001000000-0x00000000010B6000-memory.dmp

Filesize
728KB

Download