db33d1e7f7eefff11196927bca2e400e4950e3d78316cd17d220b85ce00dd465

Analysis

max time kernel
110s
max time network
110s
platform
windows10_x64
resource
win10v20201028
submitted
09/02/2021, 13:10

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General

Target
method3.exe
Size 676KB
Sample210209-16dbqbgrrn
SHA256 db33d1e7f7eefff11196927bca2e400e4950e3d78316cd17d220b85ce00dd465
MD5 d35392ec79e0adcc02e3750867eea7b9
SHA1 572da462afb61c110d86320c8deb86b2b01561be
SHA512 f547dc4c2252f5f371ccee7f0235597ccc1aa4550d13618eebc593f76a3e4ea017bbcac217ea40e66ccecbd37b6296ae7bb63b51a38e58eae2d794fad11b47fb
MD5 SHA1 SHA512

Score

5^/10

ransomware

Malware Config

Signatures

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

System Information Discovery
T1082

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2432 set thread context of 3132	2432	method3.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
3756	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3132	RegSvcs.exe
3132	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3132	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 3756	2432	method3.exe	78
PID 2432 wrote to memory of 3756	2432	method3.exe	78
PID 2432 wrote to memory of 3756	2432	method3.exe	78
PID 2432 wrote to memory of 3132	2432	method3.exe	80
PID 2432 wrote to memory of 3132	2432	method3.exe	80
PID 2432 wrote to memory of 3132	2432	method3.exe	80
PID 2432 wrote to memory of 3132	2432	method3.exe	80
PID 2432 wrote to memory of 3132	2432	method3.exe	80
PID 2432 wrote to memory of 3132	2432	method3.exe	80
PID 2432 wrote to memory of 3132	2432	method3.exe	80
PID 2432 wrote to memory of 3132	2432	method3.exe	80

C:\Users\Admin\AppData\Local\Temp\method3.exe
"C:\Users\Admin\AppData\Local\Temp\method3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TsPhglqpttiOea" /XML "C:\Users\Admin\AppData\Local\Temp\tmp72B0.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3756
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3132

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/2432-11-0x0000000005120000-0x0000000005124000-memory.dmp

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memory/2432-12-0x0000000000D00000-0x0000000000D66000-memory.dmp

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memory/2432-6-0x0000000005450000-0x0000000005451000-memory.dmp

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memory/2432-7-0x0000000004F50000-0x0000000004F51000-memory.dmp

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memory/2432-8-0x00000000050C0000-0x00000000050C1000-memory.dmp

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memory/2432-9-0x0000000005030000-0x0000000005031000-memory.dmp

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memory/2432-10-0x0000000005130000-0x0000000005131000-memory.dmp

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memory/2432-2-0x0000000073970000-0x000000007405E000-memory.dmp

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memory/2432-5-0x0000000004EB0000-0x0000000004EB1000-memory.dmp

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memory/2432-3-0x0000000000570000-0x0000000000571000-memory.dmp

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memory/3132-17-0x0000000073970000-0x000000007405E000-memory.dmp

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memory/3132-15-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/3132-22-0x00000000052A0000-0x00000000052A1000-memory.dmp

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memory/3132-23-0x0000000005360000-0x0000000005361000-memory.dmp

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memory/3132-24-0x0000000005ED0000-0x0000000005ED1000-memory.dmp

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