f8bdfc90ffcf3990e7abacaccf1b927c0b51dd2b70cc96deda4d4841f17b2bcc

Analysis

max time kernel
102s
max time network
112s
platform
windows10_x64
resource
win10v20201028
submitted
02/11/2020, 01:44

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General

Target
PO 200810,pdf.exe
Size 523KB
Sample201102-t27atbmkrj
SHA256 f8bdfc90ffcf3990e7abacaccf1b927c0b51dd2b70cc96deda4d4841f17b2bcc
MD5 91eaf5babb2d6741dd27c9c43bee5de8
SHA1 f6c6eb8e1361406105f99bc6abcd67bd17e895b0
SHA512 48f22423f1692275666cd6e12400bc63c50d4cf13fcf1617600abbf0acce81e8fb70c51c14636f2483a07cf48ffd8e021334b2508825bf279a9764321dd74245
MD5 SHA1 SHA512

Score

5^/10

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4704 set thread context of 4364	4704	PO 200810,pdf.exe	80

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
2136	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4704	PO 200810,pdf.exe
4364	PO 200810,pdf.exe
4364	PO 200810,pdf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4704	PO 200810,pdf.exe
Token: SeDebugPrivilege	4364	PO 200810,pdf.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4704 wrote to memory of 2136	4704	PO 200810,pdf.exe	78
PID 4704 wrote to memory of 2136	4704	PO 200810,pdf.exe	78
PID 4704 wrote to memory of 2136	4704	PO 200810,pdf.exe	78
PID 4704 wrote to memory of 4364	4704	PO 200810,pdf.exe	80
PID 4704 wrote to memory of 4364	4704	PO 200810,pdf.exe	80
PID 4704 wrote to memory of 4364	4704	PO 200810,pdf.exe	80
PID 4704 wrote to memory of 4364	4704	PO 200810,pdf.exe	80
PID 4704 wrote to memory of 4364	4704	PO 200810,pdf.exe	80
PID 4704 wrote to memory of 4364	4704	PO 200810,pdf.exe	80
PID 4704 wrote to memory of 4364	4704	PO 200810,pdf.exe	80
PID 4704 wrote to memory of 4364	4704	PO 200810,pdf.exe	80

C:\Users\Admin\AppData\Local\Temp\PO 200810,pdf.exe
"C:\Users\Admin\AppData\Local\Temp\PO 200810,pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4704
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ziAschVvO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1D1E.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2136
- C:\Users\Admin\AppData\Local\Temp\PO 200810,pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\PO 200810,pdf.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4364

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4364-22-0x0000000006230000-0x0000000006231000-memory.dmp

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memory/4364-21-0x0000000005650000-0x0000000005651000-memory.dmp

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memory/4364-16-0x0000000073530000-0x0000000073C1E000-memory.dmp

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memory/4364-13-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/4704-5-0x0000000005880000-0x0000000005881000-memory.dmp

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memory/4704-10-0x0000000006630000-0x0000000006669000-memory.dmp

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memory/4704-9-0x00000000064C0000-0x0000000006523000-memory.dmp

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memory/4704-8-0x0000000005800000-0x000000000580B000-memory.dmp

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memory/4704-7-0x0000000005920000-0x0000000005921000-memory.dmp

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memory/4704-6-0x00000000057E0000-0x00000000057E1000-memory.dmp

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memory/4704-0-0x0000000073530000-0x0000000073C1E000-memory.dmp

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memory/4704-4-0x0000000005CE0000-0x0000000005CE1000-memory.dmp

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memory/4704-3-0x0000000005740000-0x0000000005741000-memory.dmp

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memory/4704-1-0x0000000000EA0000-0x0000000000EA1000-memory.dmp

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