ba7ce8b3603031c45788e4eaa8e2e206e150190d2aa0509933625e87d795da4f

General

Target

ba7ce8b3603031c45788e4eaa8e2e206e150190d2aa0509933625e87d795da4f.exe
Size

353KB
MD5

5c56d086ab02c055d5e5313cd0ed0d38
SHA1

db00cc141f488d95bfa7be3112f77a5a6ca1366d
SHA256

ba7ce8b3603031c45788e4eaa8e2e206e150190d2aa0509933625e87d795da4f
SHA512

c79b2745358972dfc0fd1d33e09000ca29bc0b6e0d374f98b2bb92004bf52e850a1af26d7cd25a05c8df5079d675440335daf8c664a82877e1e3c1d90d81aee8
SSDEEP

6144:wDUMd79L4/FXyj7SRLvcegFdBfeV06ZMF+JOhm5W3hXLknXNTckJbKefi2u:wDUMR949XyiVvcdOi6ZMF+JOhXRX4RzB

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1308	qkszh.exe

Deletes itself 1 IoCs

pid	Process
472	cmd.exe

Loads dropped DLL 3 IoCs

pid	Process
472	cmd.exe
472	cmd.exe
1308	qkszh.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce	ba7ce8b3603031c45788e4eaa8e2e206e150190d2aa0509933625e87d795da4f.exe

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
764	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1384	PING.EXE

Suspicious behavior: EnumeratesProcesses 51 IoCs

pid	Process
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1308	qkszh.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	764	taskkill.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe
1308	qkszh.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1140 wrote to memory of 472	1140	ba7ce8b3603031c45788e4eaa8e2e206e150190d2aa0509933625e87d795da4f.exe	28
PID 1140 wrote to memory of 472	1140	ba7ce8b3603031c45788e4eaa8e2e206e150190d2aa0509933625e87d795da4f.exe	28
PID 1140 wrote to memory of 472	1140	ba7ce8b3603031c45788e4eaa8e2e206e150190d2aa0509933625e87d795da4f.exe	28
PID 1140 wrote to memory of 472	1140	ba7ce8b3603031c45788e4eaa8e2e206e150190d2aa0509933625e87d795da4f.exe	28
PID 472 wrote to memory of 764	472	cmd.exe	30
PID 472 wrote to memory of 764	472	cmd.exe	30
PID 472 wrote to memory of 764	472	cmd.exe	30
PID 472 wrote to memory of 764	472	cmd.exe	30
PID 472 wrote to memory of 1384	472	cmd.exe	32
PID 472 wrote to memory of 1384	472	cmd.exe	32
PID 472 wrote to memory of 1384	472	cmd.exe	32
PID 472 wrote to memory of 1384	472	cmd.exe	32
PID 472 wrote to memory of 1308	472	cmd.exe	33
PID 472 wrote to memory of 1308	472	cmd.exe	33
PID 472 wrote to memory of 1308	472	cmd.exe	33
PID 472 wrote to memory of 1308	472	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\ba7ce8b3603031c45788e4eaa8e2e206e150190d2aa0509933625e87d795da4f.exe
"C:\Users\Admin\AppData\Local\Temp\ba7ce8b3603031c45788e4eaa8e2e206e150190d2aa0509933625e87d795da4f.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1140
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 1140 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\ba7ce8b3603031c45788e4eaa8e2e206e150190d2aa0509933625e87d795da4f.exe" & start C:\Users\Admin\AppData\Local\qkszh.exe -f
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:472
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 1140
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:764
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - Runs ping.exe
    PID:1384
- - C:\Users\Admin\AppData\Local\qkszh.exe
    C:\Users\Admin\AppData\Local\qkszh.exe -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:1308

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\qkszh.exe

Filesize
353KB

MD5
5c56d086ab02c055d5e5313cd0ed0d38

SHA1
db00cc141f488d95bfa7be3112f77a5a6ca1366d

SHA256
ba7ce8b3603031c45788e4eaa8e2e206e150190d2aa0509933625e87d795da4f

SHA512
c79b2745358972dfc0fd1d33e09000ca29bc0b6e0d374f98b2bb92004bf52e850a1af26d7cd25a05c8df5079d675440335daf8c664a82877e1e3c1d90d81aee8

Download Submit
C:\Users\Admin\AppData\Local\qkszh.exe

Filesize
353KB

MD5
5c56d086ab02c055d5e5313cd0ed0d38

SHA1
db00cc141f488d95bfa7be3112f77a5a6ca1366d

SHA256
ba7ce8b3603031c45788e4eaa8e2e206e150190d2aa0509933625e87d795da4f

SHA512
c79b2745358972dfc0fd1d33e09000ca29bc0b6e0d374f98b2bb92004bf52e850a1af26d7cd25a05c8df5079d675440335daf8c664a82877e1e3c1d90d81aee8

Download Submit
\Users\Admin\AppData\Local\qkszh.exe

Filesize
353KB

MD5
5c56d086ab02c055d5e5313cd0ed0d38

SHA1
db00cc141f488d95bfa7be3112f77a5a6ca1366d

SHA256
ba7ce8b3603031c45788e4eaa8e2e206e150190d2aa0509933625e87d795da4f

SHA512
c79b2745358972dfc0fd1d33e09000ca29bc0b6e0d374f98b2bb92004bf52e850a1af26d7cd25a05c8df5079d675440335daf8c664a82877e1e3c1d90d81aee8

Download Submit
\Users\Admin\AppData\Local\qkszh.exe

Filesize
353KB

MD5
5c56d086ab02c055d5e5313cd0ed0d38

SHA1
db00cc141f488d95bfa7be3112f77a5a6ca1366d

SHA256
ba7ce8b3603031c45788e4eaa8e2e206e150190d2aa0509933625e87d795da4f

SHA512
c79b2745358972dfc0fd1d33e09000ca29bc0b6e0d374f98b2bb92004bf52e850a1af26d7cd25a05c8df5079d675440335daf8c664a82877e1e3c1d90d81aee8

Download Submit
\Users\Admin\AppData\Local\qkszh.exe

Filesize
353KB

MD5
5c56d086ab02c055d5e5313cd0ed0d38

SHA1
db00cc141f488d95bfa7be3112f77a5a6ca1366d

SHA256
ba7ce8b3603031c45788e4eaa8e2e206e150190d2aa0509933625e87d795da4f

SHA512
c79b2745358972dfc0fd1d33e09000ca29bc0b6e0d374f98b2bb92004bf52e850a1af26d7cd25a05c8df5079d675440335daf8c664a82877e1e3c1d90d81aee8

Download Submit
memory/472-57-0x0000000000000000-mapping.dmp

Download
memory/764-59-0x0000000000000000-mapping.dmp

Download
memory/1140-55-0x00000000767C1000-0x00000000767C3000-memory.dmp

Filesize
8KB

Download
memory/1140-56-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/1140-58-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/1140-54-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/1308-64-0x0000000000000000-mapping.dmp

Download
memory/1308-68-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/1308-69-0x0000000001000000-0x00000000010A5000-memory.dmp

Filesize
660KB

Download
memory/1384-60-0x0000000000000000-mapping.dmp

Download

Analysis

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