55e7b8d1f820450960ca17726b799d4ff4a7722866427cd9e3058d591d074e80

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
19/08/2024, 15:51

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General

Target
Requisition.exe
Size 771KB
Sample240819-tagh5sshkc
SHA256 55e7b8d1f820450960ca17726b799d4ff4a7722866427cd9e3058d591d074e80
MD5 4e2c1633df627ecd74dcf751df750505
SHA1 cfc368304a69e0908df5571b51b1453b522357a3
SHA512 31926fd0bbd02973a225d7b7ec07de951710af65104f538b8244dbfabe15312759e1d39e08853d4c1223d21c0e8586f9360a20c120a8e04925515b949bc02fe3
SSDEEP 12288:TSxgxVuy4Y4RWFCbD9CHbg8SvkrO9qG0VBvbJdgW5UiQI/b:wOAy4Y4Uq8CvVX+vbJwiQI
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

discovery execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2800	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 824 set thread context of 2844	824	Requisition.exe	32

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Requisition.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2800	powershell.exe
2844	Requisition.exe
2844	Requisition.exe
2844	Requisition.exe
2844	Requisition.exe
2844	Requisition.exe
2844	Requisition.exe
2844	Requisition.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2800	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 824 wrote to memory of 2800	824	Requisition.exe	31
PID 824 wrote to memory of 2800	824	Requisition.exe	31
PID 824 wrote to memory of 2800	824	Requisition.exe	31
PID 824 wrote to memory of 2800	824	Requisition.exe	31
PID 824 wrote to memory of 2844	824	Requisition.exe	32
PID 824 wrote to memory of 2844	824	Requisition.exe	32
PID 824 wrote to memory of 2844	824	Requisition.exe	32
PID 824 wrote to memory of 2844	824	Requisition.exe	32
PID 824 wrote to memory of 2844	824	Requisition.exe	32
PID 824 wrote to memory of 2844	824	Requisition.exe	32
PID 824 wrote to memory of 2844	824	Requisition.exe	32

C:\Users\Admin\AppData\Local\Temp\Requisition.exe
"C:\Users\Admin\AppData\Local\Temp\Requisition.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:824
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Requisition.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2800
- C:\Users\Admin\AppData\Local\Temp\Requisition.exe
  "C:\Users\Admin\AppData\Local\Temp\Requisition.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2844

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/824-14-0x0000000074CB0000-0x000000007539E000-memory.dmp

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memory/824-1-0x0000000000850000-0x0000000000916000-memory.dmp

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memory/824-2-0x0000000074CB0000-0x000000007539E000-memory.dmp

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memory/824-3-0x00000000007E0000-0x00000000007FE000-memory.dmp

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memory/824-4-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

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memory/824-5-0x0000000074CB0000-0x000000007539E000-memory.dmp

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memory/824-6-0x0000000000380000-0x0000000000396000-memory.dmp

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memory/824-7-0x0000000005EC0000-0x0000000005F4E000-memory.dmp

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memory/824-0-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

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memory/2844-12-0x0000000000400000-0x0000000000447000-memory.dmp

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memory/2844-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/2844-9-0x0000000000400000-0x0000000000447000-memory.dmp

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memory/2844-8-0x0000000000400000-0x0000000000447000-memory.dmp

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memory/2844-13-0x0000000000400000-0x0000000000447000-memory.dmp

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memory/2844-17-0x0000000000400000-0x0000000000447000-memory.dmp

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memory/2844-18-0x0000000000400000-0x0000000000447000-memory.dmp

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