fca02c1e43831d819e18a62b8437ce43942eca3110c68a09be88a600fba74fce

Analysis

max time kernel
121s
max time network
110s
platform
windows10_x64
resource
win10v20201028
submitted
16/02/2021, 00:22

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General

Target
New PO.exe
Size 902KB
Sample210216-c74bxldvmx
SHA256 fca02c1e43831d819e18a62b8437ce43942eca3110c68a09be88a600fba74fce
MD5 c620cb4980a6984166e7f8a02d620a93
SHA1 b007fa2db34b8d6442058bbbc2ce323947fa412f
SHA512 17e8961579596ccf30acd2df40521c0c9fee3cc5bcd3e4815133b1ca9c09f1904713a8312cada6142a5e97db142fd6244d5ded1d6d9f2c61eec449e7162aeabc
MD5 SHA1 SHA512

Score

5^/10

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 652 set thread context of 1172	652	New PO.exe	80

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

System Information Discovery
T1082

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
640	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1172	New PO.exe
1172	New PO.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1172	New PO.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 652 wrote to memory of 640	652	New PO.exe	78
PID 652 wrote to memory of 640	652	New PO.exe	78
PID 652 wrote to memory of 640	652	New PO.exe	78
PID 652 wrote to memory of 1172	652	New PO.exe	80
PID 652 wrote to memory of 1172	652	New PO.exe	80
PID 652 wrote to memory of 1172	652	New PO.exe	80
PID 652 wrote to memory of 1172	652	New PO.exe	80
PID 652 wrote to memory of 1172	652	New PO.exe	80
PID 652 wrote to memory of 1172	652	New PO.exe	80
PID 652 wrote to memory of 1172	652	New PO.exe	80
PID 652 wrote to memory of 1172	652	New PO.exe	80

C:\Users\Admin\AppData\Local\Temp\New PO.exe
"C:\Users\Admin\AppData\Local\Temp\New PO.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:652
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZrrzljkKWRXR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp80F8.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:640
- C:\Users\Admin\AppData\Local\Temp\New PO.exe
  "C:\Users\Admin\AppData\Local\Temp\New PO.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1172

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/652-11-0x0000000004E70000-0x0000000004E74000-memory.dmp

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memory/652-6-0x0000000005430000-0x0000000005431000-memory.dmp

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memory/652-8-0x0000000005080000-0x0000000005081000-memory.dmp

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memory/652-9-0x0000000004E20000-0x0000000004E21000-memory.dmp

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memory/652-10-0x00000000051B0000-0x00000000051B1000-memory.dmp

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memory/652-2-0x0000000073DC0000-0x00000000744AE000-memory.dmp

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memory/652-12-0x0000000000DA0000-0x0000000000E0E000-memory.dmp

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memory/652-7-0x0000000004F30000-0x0000000004F31000-memory.dmp

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memory/652-5-0x0000000004E90000-0x0000000004E91000-memory.dmp

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memory/652-3-0x0000000000530000-0x0000000000531000-memory.dmp

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memory/1172-15-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1172-18-0x0000000073DC0000-0x00000000744AE000-memory.dmp

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memory/1172-23-0x00000000059D0000-0x00000000059D1000-memory.dmp

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memory/1172-24-0x0000000005A60000-0x0000000005A61000-memory.dmp

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memory/1172-25-0x00000000065C0000-0x00000000065C1000-memory.dmp

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