35735d73d2e53b690b4ea0e80d68aaabdf1ec93e0d68d349cf487c2580600e23

Analysis

max time kernel
117s
max time network
107s
platform
windows10_x64
resource
win10v20201028
submitted
08/02/2021, 15:31

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General

Target
QT 21297329.EXE
Size 684KB
Sample210208-bcr8t76b76
SHA256 35735d73d2e53b690b4ea0e80d68aaabdf1ec93e0d68d349cf487c2580600e23
MD5 67c84cd7d03e764d60949e789cc4b669
SHA1 b544341be65e8a3b38e90880d07a7eca6ae7dc7d
SHA512 8a7997bad1ef297edce5b2ee43433ffe35cf23c05c77462a8d65dfbf3095417a22f732512cfdd49abf080cdb06371ebf7edb6fcbfa7eacc4e5aae20d40dd85ff
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 648 set thread context of 3644	648	QT 21297329.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
636	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3644	RegSvcs.exe
3644	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	648	QT 21297329.EXE
Token: SeDebugPrivilege	3644	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 648 wrote to memory of 636	648	QT 21297329.EXE	78
PID 648 wrote to memory of 636	648	QT 21297329.EXE	78
PID 648 wrote to memory of 636	648	QT 21297329.EXE	78
PID 648 wrote to memory of 3644	648	QT 21297329.EXE	80
PID 648 wrote to memory of 3644	648	QT 21297329.EXE	80
PID 648 wrote to memory of 3644	648	QT 21297329.EXE	80
PID 648 wrote to memory of 3644	648	QT 21297329.EXE	80
PID 648 wrote to memory of 3644	648	QT 21297329.EXE	80
PID 648 wrote to memory of 3644	648	QT 21297329.EXE	80
PID 648 wrote to memory of 3644	648	QT 21297329.EXE	80
PID 648 wrote to memory of 3644	648	QT 21297329.EXE	80

C:\Users\Admin\AppData\Local\Temp\QT 21297329.EXE
"C:\Users\Admin\AppData\Local\Temp\QT 21297329.EXE"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:648
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uEPhyns" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA70E.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:636
- 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:3644

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/648-11-0x0000000004F50000-0x0000000004F54000-memory.dmp

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memory/648-12-0x0000000000EF0000-0x0000000000F5A000-memory.dmp

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memory/648-7-0x0000000004F70000-0x0000000004F71000-memory.dmp

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memory/648-8-0x0000000004E50000-0x0000000004E51000-memory.dmp

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memory/648-9-0x00000000051E0000-0x00000000051E1000-memory.dmp

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memory/648-10-0x0000000005170000-0x0000000005171000-memory.dmp

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memory/648-2-0x0000000073E00000-0x00000000744EE000-memory.dmp

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memory/648-6-0x0000000005470000-0x0000000005471000-memory.dmp

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memory/648-5-0x0000000004E90000-0x0000000004E91000-memory.dmp

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memory/648-3-0x00000000005A0000-0x00000000005A1000-memory.dmp

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memory/3644-15-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/3644-17-0x0000000073E00000-0x00000000744EE000-memory.dmp

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memory/3644-22-0x0000000005100000-0x0000000005101000-memory.dmp

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memory/3644-23-0x0000000005560000-0x0000000005561000-memory.dmp

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memory/3644-24-0x0000000005E10000-0x0000000005E11000-memory.dmp

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