d6638e855eada622652693f11c2c1a2b0c3cb71ad9a723d02378f15189ae09ff

General

Target

d6638e855eada622652693f11c2c1a2b0c3cb71ad9a723d02378f15189ae09ff.exe
Size

793KB
MD5

681dbc8305876e960d3fb5a903fe9def
SHA1

5d3fccb12fe564431a02a34dda6e2a67c5ae57a8
SHA256

d6638e855eada622652693f11c2c1a2b0c3cb71ad9a723d02378f15189ae09ff
SHA512

60ae16e1b3d95c2f3478f7da44e247ca2077be064d626622780bfe1e070ae5974b690b3dbc280b4b210704af264a81329bd94035a69e2a39f9550fe663f97398
SSDEEP

24576:KvSVfZApBOr1sU6uEgjhlOCDw8mEFAuYg2OWpTMqBx+fdTmG2Y4MT9ffD+CzKcb3:XApBOr1sU6uEgjhlOCDw8mEFAuYg2OWm

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
960	wsappx.exe

Deletes itself 1 IoCs

pid	Process
1136	cmd.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1692	960	WerFault.exe	34

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1904	schtasks.exe
1740	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2016	timeout.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
560	tasklist.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
960	wsappx.exe
960	wsappx.exe
960	wsappx.exe
960	wsappx.exe
960	wsappx.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2020	d6638e855eada622652693f11c2c1a2b0c3cb71ad9a723d02378f15189ae09ff.exe
Token: SeDebugPrivilege	560	tasklist.exe
Token: SeDebugPrivilege	960	wsappx.exe
Token: SeDebugPrivilege	960	wsappx.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
960	wsappx.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 1904	2020	d6638e855eada622652693f11c2c1a2b0c3cb71ad9a723d02378f15189ae09ff.exe	27
PID 2020 wrote to memory of 1904	2020	d6638e855eada622652693f11c2c1a2b0c3cb71ad9a723d02378f15189ae09ff.exe	27
PID 2020 wrote to memory of 1904	2020	d6638e855eada622652693f11c2c1a2b0c3cb71ad9a723d02378f15189ae09ff.exe	27
PID 2020 wrote to memory of 1136	2020	d6638e855eada622652693f11c2c1a2b0c3cb71ad9a723d02378f15189ae09ff.exe	29
PID 2020 wrote to memory of 1136	2020	d6638e855eada622652693f11c2c1a2b0c3cb71ad9a723d02378f15189ae09ff.exe	29
PID 2020 wrote to memory of 1136	2020	d6638e855eada622652693f11c2c1a2b0c3cb71ad9a723d02378f15189ae09ff.exe	29
PID 1136 wrote to memory of 560	1136	cmd.exe	31
PID 1136 wrote to memory of 560	1136	cmd.exe	31
PID 1136 wrote to memory of 560	1136	cmd.exe	31
PID 1136 wrote to memory of 1868	1136	cmd.exe	32
PID 1136 wrote to memory of 1868	1136	cmd.exe	32
PID 1136 wrote to memory of 1868	1136	cmd.exe	32
PID 1136 wrote to memory of 2016	1136	cmd.exe	33
PID 1136 wrote to memory of 2016	1136	cmd.exe	33
PID 1136 wrote to memory of 2016	1136	cmd.exe	33
PID 1136 wrote to memory of 960	1136	cmd.exe	34
PID 1136 wrote to memory of 960	1136	cmd.exe	34
PID 1136 wrote to memory of 960	1136	cmd.exe	34
PID 960 wrote to memory of 1740	960	wsappx.exe	35
PID 960 wrote to memory of 1740	960	wsappx.exe	35
PID 960 wrote to memory of 1740	960	wsappx.exe	35
PID 960 wrote to memory of 1692	960	wsappx.exe	37
PID 960 wrote to memory of 1692	960	wsappx.exe	37
PID 960 wrote to memory of 1692	960	wsappx.exe	37

C:\Users\Admin\AppData\Local\Temp\d6638e855eada622652693f11c2c1a2b0c3cb71ad9a723d02378f15189ae09ff.exe
"C:\Users\Admin\AppData\Local\Temp\d6638e855eada622652693f11c2c1a2b0c3cb71ad9a723d02378f15189ae09ff.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "wsappx" /tr "C:\Users\Static\wsappx.exe"
  2⤵
  - Creates scheduled task(s)
  PID:1904
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp9A2E.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmp9A2E.tmp.bat
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1136
- - C:\Windows\system32\tasklist.exe
    Tasklist /fi "PID eq 2020"
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:560
- - C:\Windows\system32\find.exe
    find ":"
    3⤵
    PID:1868
- - C:\Windows\system32\timeout.exe
    Timeout /T 1 /Nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:2016
- - C:\Users\Static\wsappx.exe
    "wsappx.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:960
  - - C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "wsappx" /tr "C:\Users\Static\wsappx.exe"
      4⤵
      Creates scheduled task(s)
      PID:1740
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 960 -s 1640
      4⤵
      Program crash
      PID:1692

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Process Discovery

1

T1057

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9A2E.tmp.bat

Filesize
242B

MD5
3b727b55dfdd1a4c084872204e346a90

SHA1
a97663d780d350b5bfb9e9fcfcc040d024507901

SHA256
73b564020176432c28066e328cef24046b512c6043c5debd528eb50f4eddbe7c

SHA512
42a2e687718dd1bb26e5075087371fd9d9c4df0a27bf93a7b8c138d4a117358998febaf28188e568426ab74cfbda1769435eb879666cab2934583875a533f243

Download Submit
C:\Users\Static\wsappx.exe

Filesize
793KB

MD5
681dbc8305876e960d3fb5a903fe9def

SHA1
5d3fccb12fe564431a02a34dda6e2a67c5ae57a8

SHA256
d6638e855eada622652693f11c2c1a2b0c3cb71ad9a723d02378f15189ae09ff

SHA512
60ae16e1b3d95c2f3478f7da44e247ca2077be064d626622780bfe1e070ae5974b690b3dbc280b4b210704af264a81329bd94035a69e2a39f9550fe663f97398

Download Submit
C:\Users\Static\wsappx.exe

Filesize
793KB

MD5
681dbc8305876e960d3fb5a903fe9def

SHA1
5d3fccb12fe564431a02a34dda6e2a67c5ae57a8

SHA256
d6638e855eada622652693f11c2c1a2b0c3cb71ad9a723d02378f15189ae09ff

SHA512
60ae16e1b3d95c2f3478f7da44e247ca2077be064d626622780bfe1e070ae5974b690b3dbc280b4b210704af264a81329bd94035a69e2a39f9550fe663f97398

Download Submit
memory/960-65-0x0000000001220000-0x00000000012EC000-memory.dmp

Filesize
816KB

Download
memory/2020-54-0x0000000000180000-0x000000000024C000-memory.dmp

Filesize
816KB

Download
memory/2020-55-0x000007FEFBAB1000-0x000007FEFBAB3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads