ab69e62592ab18accf33ef831e15760c2c3b0ac42772e1713bf64ced07f3af22

General

Target

ab69e62592ab18accf33ef831e15760c2c3b0ac42772e1713bf64ced07f3af22.exe
Size

254KB
MD5

9237223dfd38df225644cb1f746f1a23
SHA1

0d2ba91cfa611a2946f24c7a6c48ec8e2d87cd2d
SHA256

ab69e62592ab18accf33ef831e15760c2c3b0ac42772e1713bf64ced07f3af22
SHA512

a00385b3221f04f0cf1b36a5739ff671bc7c3d6be222c0681da0deb26af5067d57f3ec304cc5b2f463ecb786898c8e1bb09fa68fb5b108f8df97e13ecb248d09
SSDEEP

6144:AcT9z2h8RzS7N/2Hg7dC2DfWeN2Ayk2tf:5TJ2h8RAOA7PfW0Qk2x

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1588	kcxxx.exe

Deletes itself 1 IoCs

pid	Process
1092	cmd.exe

Loads dropped DLL 4 IoCs

pid	Process
1092	cmd.exe
1092	cmd.exe
1588	kcxxx.exe
1588	kcxxx.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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce	ab69e62592ab18accf33ef831e15760c2c3b0ac42772e1713bf64ced07f3af22.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
1552	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1884	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1552	taskkill.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1588	kcxxx.exe
1588	kcxxx.exe
1588	kcxxx.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1588	kcxxx.exe
1588	kcxxx.exe
1588	kcxxx.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1788 wrote to memory of 1092	1788	ab69e62592ab18accf33ef831e15760c2c3b0ac42772e1713bf64ced07f3af22.exe	27
PID 1788 wrote to memory of 1092	1788	ab69e62592ab18accf33ef831e15760c2c3b0ac42772e1713bf64ced07f3af22.exe	27
PID 1788 wrote to memory of 1092	1788	ab69e62592ab18accf33ef831e15760c2c3b0ac42772e1713bf64ced07f3af22.exe	27
PID 1788 wrote to memory of 1092	1788	ab69e62592ab18accf33ef831e15760c2c3b0ac42772e1713bf64ced07f3af22.exe	27
PID 1092 wrote to memory of 1552	1092	cmd.exe	29
PID 1092 wrote to memory of 1552	1092	cmd.exe	29
PID 1092 wrote to memory of 1552	1092	cmd.exe	29
PID 1092 wrote to memory of 1552	1092	cmd.exe	29
PID 1092 wrote to memory of 1884	1092	cmd.exe	31
PID 1092 wrote to memory of 1884	1092	cmd.exe	31
PID 1092 wrote to memory of 1884	1092	cmd.exe	31
PID 1092 wrote to memory of 1884	1092	cmd.exe	31
PID 1092 wrote to memory of 1588	1092	cmd.exe	32
PID 1092 wrote to memory of 1588	1092	cmd.exe	32
PID 1092 wrote to memory of 1588	1092	cmd.exe	32
PID 1092 wrote to memory of 1588	1092	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\ab69e62592ab18accf33ef831e15760c2c3b0ac42772e1713bf64ced07f3af22.exe
"C:\Users\Admin\AppData\Local\Temp\ab69e62592ab18accf33ef831e15760c2c3b0ac42772e1713bf64ced07f3af22.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1788
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 1788 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\ab69e62592ab18accf33ef831e15760c2c3b0ac42772e1713bf64ced07f3af22.exe" & start C:\Users\Admin\AppData\Local\kcxxx.exe -f
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1092
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 1788
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1552
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - Runs ping.exe
    PID:1884
- - C:\Users\Admin\AppData\Local\kcxxx.exe
    C:\Users\Admin\AppData\Local\kcxxx.exe -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:1588

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\kcxxx.exe

Filesize
254KB

MD5
9237223dfd38df225644cb1f746f1a23

SHA1
0d2ba91cfa611a2946f24c7a6c48ec8e2d87cd2d

SHA256
ab69e62592ab18accf33ef831e15760c2c3b0ac42772e1713bf64ced07f3af22

SHA512
a00385b3221f04f0cf1b36a5739ff671bc7c3d6be222c0681da0deb26af5067d57f3ec304cc5b2f463ecb786898c8e1bb09fa68fb5b108f8df97e13ecb248d09

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

Filesize
254KB

MD5
9237223dfd38df225644cb1f746f1a23

SHA1
0d2ba91cfa611a2946f24c7a6c48ec8e2d87cd2d

SHA256
ab69e62592ab18accf33ef831e15760c2c3b0ac42772e1713bf64ced07f3af22

SHA512
a00385b3221f04f0cf1b36a5739ff671bc7c3d6be222c0681da0deb26af5067d57f3ec304cc5b2f463ecb786898c8e1bb09fa68fb5b108f8df97e13ecb248d09

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

Filesize
254KB

MD5
9237223dfd38df225644cb1f746f1a23

SHA1
0d2ba91cfa611a2946f24c7a6c48ec8e2d87cd2d

SHA256
ab69e62592ab18accf33ef831e15760c2c3b0ac42772e1713bf64ced07f3af22

SHA512
a00385b3221f04f0cf1b36a5739ff671bc7c3d6be222c0681da0deb26af5067d57f3ec304cc5b2f463ecb786898c8e1bb09fa68fb5b108f8df97e13ecb248d09

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

Filesize
254KB

MD5
9237223dfd38df225644cb1f746f1a23

SHA1
0d2ba91cfa611a2946f24c7a6c48ec8e2d87cd2d

SHA256
ab69e62592ab18accf33ef831e15760c2c3b0ac42772e1713bf64ced07f3af22

SHA512
a00385b3221f04f0cf1b36a5739ff671bc7c3d6be222c0681da0deb26af5067d57f3ec304cc5b2f463ecb786898c8e1bb09fa68fb5b108f8df97e13ecb248d09

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

Filesize
254KB

MD5
9237223dfd38df225644cb1f746f1a23

SHA1
0d2ba91cfa611a2946f24c7a6c48ec8e2d87cd2d

SHA256
ab69e62592ab18accf33ef831e15760c2c3b0ac42772e1713bf64ced07f3af22

SHA512
a00385b3221f04f0cf1b36a5739ff671bc7c3d6be222c0681da0deb26af5067d57f3ec304cc5b2f463ecb786898c8e1bb09fa68fb5b108f8df97e13ecb248d09

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

Filesize
254KB

MD5
9237223dfd38df225644cb1f746f1a23

SHA1
0d2ba91cfa611a2946f24c7a6c48ec8e2d87cd2d

SHA256
ab69e62592ab18accf33ef831e15760c2c3b0ac42772e1713bf64ced07f3af22

SHA512
a00385b3221f04f0cf1b36a5739ff671bc7c3d6be222c0681da0deb26af5067d57f3ec304cc5b2f463ecb786898c8e1bb09fa68fb5b108f8df97e13ecb248d09

Download Submit
memory/1588-67-0x0000000001000000-0x00000000010DA000-memory.dmp

Filesize
872KB

Download
memory/1588-69-0x0000000001000000-0x00000000010DA000-memory.dmp

Filesize
872KB

Download
memory/1788-57-0x0000000001000000-0x00000000010DA000-memory.dmp

Filesize
872KB

Download
memory/1788-54-0x00000000761F1000-0x00000000761F3000-memory.dmp

Filesize
8KB

Download
memory/1788-55-0x0000000001000000-0x00000000010DA000-memory.dmp

Filesize
872KB

Download

Analysis

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