56a5dfe870b97321288c7c31d589db2f2d1d0971fdae38c4470a0f609e29cd97

General

Target

56a5dfe870b97321288c7c31d589db2f2d1d0971fdae38c4470a0f609e29cd97.exe
Size

331KB
MD5

a21afcbb38a68ba46e76d99dc2f82ec0
SHA1

a21106247d6d545158e66b739138301c0185b174
SHA256

56a5dfe870b97321288c7c31d589db2f2d1d0971fdae38c4470a0f609e29cd97
SHA512

8ecb28a2a24f91cf8f8d72bac6f8ea24a166f9d534d736de430ebd32b092f4f2762a6e23a5e79f533e0e1bd8c5e57bf6e13a02079249216a6e6235e2ce9474ae
SSDEEP

6144:+0gVC0TeKb8ug2h+guJE8BpImwxaRAaC6XrgIHYH:+0KFTNs2szJImfAaCSHYH

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
652	akappb.exe

Deletes itself 1 IoCs

pid	Process
1144	cmd.exe

Loads dropped DLL 3 IoCs

pid	Process
1144	cmd.exe
1144	cmd.exe
652	akappb.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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce	56a5dfe870b97321288c7c31d589db2f2d1d0971fdae38c4470a0f609e29cd97.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
1936	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1732	PING.EXE

Suspicious behavior: EnumeratesProcesses 41 IoCs

pid	Process
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1936	taskkill.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
652	akappb.exe
652	akappb.exe
652	akappb.exe
652	akappb.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1388 wrote to memory of 1144	1388	56a5dfe870b97321288c7c31d589db2f2d1d0971fdae38c4470a0f609e29cd97.exe	26
PID 1388 wrote to memory of 1144	1388	56a5dfe870b97321288c7c31d589db2f2d1d0971fdae38c4470a0f609e29cd97.exe	26
PID 1388 wrote to memory of 1144	1388	56a5dfe870b97321288c7c31d589db2f2d1d0971fdae38c4470a0f609e29cd97.exe	26
PID 1388 wrote to memory of 1144	1388	56a5dfe870b97321288c7c31d589db2f2d1d0971fdae38c4470a0f609e29cd97.exe	26
PID 1144 wrote to memory of 1936	1144	cmd.exe	28
PID 1144 wrote to memory of 1936	1144	cmd.exe	28
PID 1144 wrote to memory of 1936	1144	cmd.exe	28
PID 1144 wrote to memory of 1936	1144	cmd.exe	28
PID 1144 wrote to memory of 1732	1144	cmd.exe	30
PID 1144 wrote to memory of 1732	1144	cmd.exe	30
PID 1144 wrote to memory of 1732	1144	cmd.exe	30
PID 1144 wrote to memory of 1732	1144	cmd.exe	30
PID 1144 wrote to memory of 652	1144	cmd.exe	31
PID 1144 wrote to memory of 652	1144	cmd.exe	31
PID 1144 wrote to memory of 652	1144	cmd.exe	31
PID 1144 wrote to memory of 652	1144	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\56a5dfe870b97321288c7c31d589db2f2d1d0971fdae38c4470a0f609e29cd97.exe
"C:\Users\Admin\AppData\Local\Temp\56a5dfe870b97321288c7c31d589db2f2d1d0971fdae38c4470a0f609e29cd97.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1388
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 1388 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\56a5dfe870b97321288c7c31d589db2f2d1d0971fdae38c4470a0f609e29cd97.exe" & start C:\Users\Admin\AppData\Local\akappb.exe -f
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1144
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 1388
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1936
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - Runs ping.exe
    PID:1732
- - C:\Users\Admin\AppData\Local\akappb.exe
    C:\Users\Admin\AppData\Local\akappb.exe -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:652

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\akappb.exe

Filesize
331KB

MD5
a21afcbb38a68ba46e76d99dc2f82ec0

SHA1
a21106247d6d545158e66b739138301c0185b174

SHA256
56a5dfe870b97321288c7c31d589db2f2d1d0971fdae38c4470a0f609e29cd97

SHA512
8ecb28a2a24f91cf8f8d72bac6f8ea24a166f9d534d736de430ebd32b092f4f2762a6e23a5e79f533e0e1bd8c5e57bf6e13a02079249216a6e6235e2ce9474ae

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

Filesize
331KB

MD5
a21afcbb38a68ba46e76d99dc2f82ec0

SHA1
a21106247d6d545158e66b739138301c0185b174

SHA256
56a5dfe870b97321288c7c31d589db2f2d1d0971fdae38c4470a0f609e29cd97

SHA512
8ecb28a2a24f91cf8f8d72bac6f8ea24a166f9d534d736de430ebd32b092f4f2762a6e23a5e79f533e0e1bd8c5e57bf6e13a02079249216a6e6235e2ce9474ae

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

Filesize
331KB

MD5
a21afcbb38a68ba46e76d99dc2f82ec0

SHA1
a21106247d6d545158e66b739138301c0185b174

SHA256
56a5dfe870b97321288c7c31d589db2f2d1d0971fdae38c4470a0f609e29cd97

SHA512
8ecb28a2a24f91cf8f8d72bac6f8ea24a166f9d534d736de430ebd32b092f4f2762a6e23a5e79f533e0e1bd8c5e57bf6e13a02079249216a6e6235e2ce9474ae

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

Filesize
331KB

MD5
a21afcbb38a68ba46e76d99dc2f82ec0

SHA1
a21106247d6d545158e66b739138301c0185b174

SHA256
56a5dfe870b97321288c7c31d589db2f2d1d0971fdae38c4470a0f609e29cd97

SHA512
8ecb28a2a24f91cf8f8d72bac6f8ea24a166f9d534d736de430ebd32b092f4f2762a6e23a5e79f533e0e1bd8c5e57bf6e13a02079249216a6e6235e2ce9474ae

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

Filesize
331KB

MD5
a21afcbb38a68ba46e76d99dc2f82ec0

SHA1
a21106247d6d545158e66b739138301c0185b174

SHA256
56a5dfe870b97321288c7c31d589db2f2d1d0971fdae38c4470a0f609e29cd97

SHA512
8ecb28a2a24f91cf8f8d72bac6f8ea24a166f9d534d736de430ebd32b092f4f2762a6e23a5e79f533e0e1bd8c5e57bf6e13a02079249216a6e6235e2ce9474ae

Download Submit
memory/652-69-0x0000000001000000-0x00000000010B3000-memory.dmp

Filesize
716KB

Download
memory/652-68-0x0000000001000000-0x00000000010B3000-memory.dmp

Filesize
716KB

Download
memory/1388-58-0x0000000001000000-0x00000000010B3000-memory.dmp

Filesize
716KB

Download
memory/1388-54-0x00000000768A1000-0x00000000768A3000-memory.dmp

Filesize
8KB

Download
memory/1388-56-0x0000000000830000-0x0000000000879000-memory.dmp

Filesize
292KB

Download
memory/1388-55-0x00000000002C0000-0x0000000000314000-memory.dmp

Filesize
336KB

Download

Analysis

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