31542c2f7fd0a91f93aa7f3b9cae22f0a22290d3d6b55040fe5e1baf2891deee

Analysis

max time kernel
23s
max time network
18s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
23-08-2024 13:53

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General

Target

PO.34JK.exe
Size

992KB
MD5

84f5fd95c890c91277e7df55814ebd2a
SHA1

c2f46d2bba69f1a136ee0bedc95d790294d588ba
SHA256

d80ce34f15564cae781c02bc3ee2f25a8f44e6ae54ba162e5f9027a7dd43b071
SHA512

06ef0d02eee2313eac8a05a365d1096691167990b530039d16e5ae4baff37607bb5ad1ac55069195afbf600de3824921da75a930a5413d038bc88732b3d27d8e
SSDEEP

24576:1FBGzS58063NMqy03IS2MVm+i/IORHmY/9k1iobs7SBkfk4Mt:1Frsl4Um+LsGaS1K0V4M

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
2148	powershell.exe

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 3 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	PO.34JK.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2008	schtasks.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

pid	Process
1432	PO.34JK.exe
1432	PO.34JK.exe
1432	PO.34JK.exe
1432	PO.34JK.exe
1432	PO.34JK.exe
1432	PO.34JK.exe
1432	PO.34JK.exe
1432	PO.34JK.exe
1432	PO.34JK.exe
1432	PO.34JK.exe
1432	PO.34JK.exe
1432	PO.34JK.exe
1432	PO.34JK.exe
1432	PO.34JK.exe
1432	PO.34JK.exe
1432	PO.34JK.exe
2148	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1432	PO.34JK.exe
Token: SeDebugPrivilege	2148	powershell.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1432 wrote to memory of 2148	1432	PO.34JK.exe	30
PID 1432 wrote to memory of 2148	1432	PO.34JK.exe	30
PID 1432 wrote to memory of 2148	1432	PO.34JK.exe	30
PID 1432 wrote to memory of 2148	1432	PO.34JK.exe	30
PID 1432 wrote to memory of 2008	1432	PO.34JK.exe	32
PID 1432 wrote to memory of 2008	1432	PO.34JK.exe	32
PID 1432 wrote to memory of 2008	1432	PO.34JK.exe	32
PID 1432 wrote to memory of 2008	1432	PO.34JK.exe	32
PID 1432 wrote to memory of 3044	1432	PO.34JK.exe	34
PID 1432 wrote to memory of 3044	1432	PO.34JK.exe	34
PID 1432 wrote to memory of 3044	1432	PO.34JK.exe	34
PID 1432 wrote to memory of 3044	1432	PO.34JK.exe	34
PID 1432 wrote to memory of 2932	1432	PO.34JK.exe	35
PID 1432 wrote to memory of 2932	1432	PO.34JK.exe	35
PID 1432 wrote to memory of 2932	1432	PO.34JK.exe	35
PID 1432 wrote to memory of 2932	1432	PO.34JK.exe	35
PID 1432 wrote to memory of 2344	1432	PO.34JK.exe	36
PID 1432 wrote to memory of 2344	1432	PO.34JK.exe	36
PID 1432 wrote to memory of 2344	1432	PO.34JK.exe	36
PID 1432 wrote to memory of 2344	1432	PO.34JK.exe	36
PID 1432 wrote to memory of 2800	1432	PO.34JK.exe	37
PID 1432 wrote to memory of 2800	1432	PO.34JK.exe	37
PID 1432 wrote to memory of 2800	1432	PO.34JK.exe	37
PID 1432 wrote to memory of 2800	1432	PO.34JK.exe	37
PID 1432 wrote to memory of 2828	1432	PO.34JK.exe	38
PID 1432 wrote to memory of 2828	1432	PO.34JK.exe	38
PID 1432 wrote to memory of 2828	1432	PO.34JK.exe	38
PID 1432 wrote to memory of 2828	1432	PO.34JK.exe	38

C:\Users\Admin\AppData\Local\Temp\PO.34JK.exe
"C:\Users\Admin\AppData\Local\Temp\PO.34JK.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1432
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\bBbtmFrit.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2148
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bBbtmFrit" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1E2B.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2008
- C:\Users\Admin\AppData\Local\Temp\PO.34JK.exe
  "C:\Users\Admin\AppData\Local\Temp\PO.34JK.exe"
  2⤵
  PID:3044
- C:\Users\Admin\AppData\Local\Temp\PO.34JK.exe
  "C:\Users\Admin\AppData\Local\Temp\PO.34JK.exe"
  2⤵
  PID:2932
- C:\Users\Admin\AppData\Local\Temp\PO.34JK.exe
  "C:\Users\Admin\AppData\Local\Temp\PO.34JK.exe"
  2⤵
  PID:2344
- C:\Users\Admin\AppData\Local\Temp\PO.34JK.exe
  "C:\Users\Admin\AppData\Local\Temp\PO.34JK.exe"
  2⤵
  PID:2800
- C:\Users\Admin\AppData\Local\Temp\PO.34JK.exe
  "C:\Users\Admin\AppData\Local\Temp\PO.34JK.exe"
  2⤵
  PID:2828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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

C:\Users\Admin\AppData\Local\Temp\tmp1E2B.tmp

Filesize
1KB

MD5
7a39d86ff14e62009c349dc23dec3ac9

SHA1
5e4c6663ff69f5a60a53b6da74a1fa7759929707

SHA256
5c0f41c46ffd35b188fe934f039f5f372c66672eaa85a1ad771eb41f0717a17b

SHA512
43c13447ef029e74281f49be8691fbf2af29417dc4cd519b1954e34894e8cd56aba93b7f5fbf7d447368d6ce76073bf81dadbf2c99afdfee13dcab279ee63137

Download Submit
memory/1432-0-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

Filesize
4KB

Download
memory/1432-1-0x0000000000090000-0x000000000018E000-memory.dmp

Filesize
1016KB

Download
memory/1432-2-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/1432-3-0x00000000052D0000-0x00000000053B6000-memory.dmp

Filesize
920KB

Download
memory/1432-4-0x00000000005B0000-0x00000000005CA000-memory.dmp

Filesize
104KB

Download
memory/1432-5-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

Filesize
4KB

Download
memory/1432-6-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/1432-7-0x0000000000770000-0x000000000077C000-memory.dmp

Filesize
48KB

Download
memory/1432-8-0x0000000000780000-0x0000000000790000-memory.dmp

Filesize
64KB

Download
memory/1432-9-0x00000000054C0000-0x0000000005580000-memory.dmp

Filesize
768KB

Download
memory/1432-17-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download