28563c403ddda0b2cc0ee8d0a186ad8ef008454b0404bda93e49672d49ddd5fd

Analysis

max time kernel
145s
max time network
126s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14/01/2024, 18:17

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General

Target

5b85a5b655e5033f20951ad619687486.exe
Size

462KB
MD5

5b85a5b655e5033f20951ad619687486
SHA1

87614ac65b9cc6f76b3229925a4c911cfd72a270
SHA256

28563c403ddda0b2cc0ee8d0a186ad8ef008454b0404bda93e49672d49ddd5fd
SHA512

fac45fdafbfad1344ef908d6bf3fabc7f0b6b4eabdf2bfadb95d1798ddc7543079c161e6233d880748b4c3bf8cdc5828d2a2e02442c24284cac8a8a7eeaff1bf
SSDEEP

12288:lqCZtxipZaBJCTq3dO+tG2UCheQ+oSTj:lqCZHGSCTqa29Ut

Score

7^/10

upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2780	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2924	vmsgvz.exe

Loads dropped DLL 2 IoCs

pid	Process
2780	cmd.exe
2924	vmsgvz.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2140-0-0x0000000001000000-0x00000000010E1000-memory.dmp	upx
behavioral1/files/0x000b000000012243-7.dat	upx
behavioral1/memory/2780-9-0x0000000002000000-0x00000000020E1000-memory.dmp	upx
behavioral1/memory/2924-11-0x0000000001000000-0x00000000010E1000-memory.dmp	upx

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
2988	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2788	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2988	taskkill.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2140 wrote to memory of 2780	2140	5b85a5b655e5033f20951ad619687486.exe	28
PID 2140 wrote to memory of 2780	2140	5b85a5b655e5033f20951ad619687486.exe	28
PID 2140 wrote to memory of 2780	2140	5b85a5b655e5033f20951ad619687486.exe	28
PID 2140 wrote to memory of 2780	2140	5b85a5b655e5033f20951ad619687486.exe	28
PID 2780 wrote to memory of 2988	2780	cmd.exe	30
PID 2780 wrote to memory of 2988	2780	cmd.exe	30
PID 2780 wrote to memory of 2988	2780	cmd.exe	30
PID 2780 wrote to memory of 2988	2780	cmd.exe	30
PID 2780 wrote to memory of 2788	2780	cmd.exe	32
PID 2780 wrote to memory of 2788	2780	cmd.exe	32
PID 2780 wrote to memory of 2788	2780	cmd.exe	32
PID 2780 wrote to memory of 2788	2780	cmd.exe	32
PID 2780 wrote to memory of 2924	2780	cmd.exe	33
PID 2780 wrote to memory of 2924	2780	cmd.exe	33
PID 2780 wrote to memory of 2924	2780	cmd.exe	33
PID 2780 wrote to memory of 2924	2780	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\5b85a5b655e5033f20951ad619687486.exe
"C:\Users\Admin\AppData\Local\Temp\5b85a5b655e5033f20951ad619687486.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2140
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 2140 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\5b85a5b655e5033f20951ad619687486.exe" & start C:\Users\Admin\AppData\Local\vmsgvz.exe -f
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2780
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 2140
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2988
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - Runs ping.exe
    PID:2788
- - C:\Users\Admin\AppData\Local\vmsgvz.exe
    C:\Users\Admin\AppData\Local\vmsgvz.exe -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:2924

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\vmsgvz.exe

Filesize
462KB

MD5
5b85a5b655e5033f20951ad619687486

SHA1
87614ac65b9cc6f76b3229925a4c911cfd72a270

SHA256
28563c403ddda0b2cc0ee8d0a186ad8ef008454b0404bda93e49672d49ddd5fd

SHA512
fac45fdafbfad1344ef908d6bf3fabc7f0b6b4eabdf2bfadb95d1798ddc7543079c161e6233d880748b4c3bf8cdc5828d2a2e02442c24284cac8a8a7eeaff1bf

Download Submit
memory/2140-3-0x0000000001000000-0x00000000010E1000-memory.dmp

Filesize
900KB

Download
memory/2140-2-0x0000000000360000-0x00000000003A1000-memory.dmp

Filesize
260KB

Download
memory/2140-0-0x0000000001000000-0x00000000010E1000-memory.dmp

Filesize
900KB

Download
memory/2140-4-0x00000000002D0000-0x00000000002D2000-memory.dmp

Filesize
8KB

Download
memory/2140-6-0x0000000001000000-0x00000000010E1000-memory.dmp

Filesize
900KB

Download
memory/2140-1-0x0000000000240000-0x00000000002C2000-memory.dmp

Filesize
520KB

Download
memory/2780-9-0x0000000002000000-0x00000000020E1000-memory.dmp

Filesize
900KB

Download
memory/2924-11-0x0000000001000000-0x00000000010E1000-memory.dmp

Filesize
900KB

Download
memory/2924-12-0x0000000001000000-0x00000000010E1000-memory.dmp

Filesize
900KB

Download
memory/2924-15-0x0000000000A60000-0x0000000000B41000-memory.dmp

Filesize
900KB

Download
memory/2924-13-0x00000000001D0000-0x00000000001D2000-memory.dmp

Filesize
8KB

Download
memory/2924-16-0x0000000001000000-0x00000000010E1000-memory.dmp

Filesize
900KB

Download