e0890946fb8766a4220d2a99b4180d222857c1d1f9941622ef1e0d5f44f8081d

Analysis

max time kernel
141s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/12/2023, 16:19

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General

Target

7c3347d6a3b51833d4ab73deaaaa859a.exe
Size

294KB
MD5

7c3347d6a3b51833d4ab73deaaaa859a
SHA1

0c412c55591e757b1e9badb1cd10bb35917572d7
SHA256

e0890946fb8766a4220d2a99b4180d222857c1d1f9941622ef1e0d5f44f8081d
SHA512

c18becd5652f3a2c623b2374c7b46b5fd41e5bda038d648cfc2fe016bf747c70558af236c0b76f48bbdede0c3d0afceec5b3790c031f9be8fbd79a93f2a3b9d0
SSDEEP

6144:+HMCNxDAKHhmgsvorxhC7JCEl2eecFlGWrAZV+2WAX/OqGcu/jGjHEM:iDggsvow7J72enGMAZV+2Jm06Gj

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2676	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2796	jyholxztc.exe

Loads dropped DLL 3 IoCs

pid	Process
2676	cmd.exe
2676	cmd.exe
2796	jyholxztc.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
2860	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2660	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2860	taskkill.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe
2796	jyholxztc.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2676	2372	7c3347d6a3b51833d4ab73deaaaa859a.exe	28
PID 2372 wrote to memory of 2676	2372	7c3347d6a3b51833d4ab73deaaaa859a.exe	28
PID 2372 wrote to memory of 2676	2372	7c3347d6a3b51833d4ab73deaaaa859a.exe	28
PID 2372 wrote to memory of 2676	2372	7c3347d6a3b51833d4ab73deaaaa859a.exe	28
PID 2676 wrote to memory of 2860	2676	cmd.exe	29
PID 2676 wrote to memory of 2860	2676	cmd.exe	29
PID 2676 wrote to memory of 2860	2676	cmd.exe	29
PID 2676 wrote to memory of 2860	2676	cmd.exe	29
PID 2676 wrote to memory of 2660	2676	cmd.exe	31
PID 2676 wrote to memory of 2660	2676	cmd.exe	31
PID 2676 wrote to memory of 2660	2676	cmd.exe	31
PID 2676 wrote to memory of 2660	2676	cmd.exe	31
PID 2676 wrote to memory of 2796	2676	cmd.exe	33
PID 2676 wrote to memory of 2796	2676	cmd.exe	33
PID 2676 wrote to memory of 2796	2676	cmd.exe	33
PID 2676 wrote to memory of 2796	2676	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\7c3347d6a3b51833d4ab73deaaaa859a.exe
"C:\Users\Admin\AppData\Local\Temp\7c3347d6a3b51833d4ab73deaaaa859a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 2372 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\7c3347d6a3b51833d4ab73deaaaa859a.exe" & start C:\Users\Admin\AppData\Local\JYHOLX~1.EXE -f
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2676
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 2372
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2860
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - Runs ping.exe
    PID:2660
- - C:\Users\Admin\AppData\Local\jyholxztc.exe
    C:\Users\Admin\AppData\Local\JYHOLX~1.EXE -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:2796

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\jyholxztc.exe

Filesize
294KB

MD5
7c3347d6a3b51833d4ab73deaaaa859a

SHA1
0c412c55591e757b1e9badb1cd10bb35917572d7

SHA256
e0890946fb8766a4220d2a99b4180d222857c1d1f9941622ef1e0d5f44f8081d

SHA512
c18becd5652f3a2c623b2374c7b46b5fd41e5bda038d648cfc2fe016bf747c70558af236c0b76f48bbdede0c3d0afceec5b3790c031f9be8fbd79a93f2a3b9d0

Download Submit
memory/2372-1-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/2372-0-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/2372-2-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2372-3-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/2372-4-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/2372-7-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/2372-5-0x0000000000280000-0x0000000000282000-memory.dmp

Filesize
8KB

Download
memory/2796-16-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/2796-17-0x0000000000230000-0x0000000000232000-memory.dmp

Filesize
8KB

Download
memory/2796-12-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/2796-14-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/2796-18-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/2796-19-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/2796-20-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/2796-21-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/2796-22-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/2796-23-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/2796-24-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/2796-25-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/2796-26-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download