f37bd7b0b40ed2a3272e82a58e4662afacf1a30448743b7d2b5750ed601e3e86

General

Target

Purchase Order Specifications for March-2023 update.pdf (253K).exe
Size

1.2MB
MD5

525b29804499f54683326bd36d358a40
SHA1

11c93e550822f2e4e8ca5366e1f2d270d4785ea7
SHA256

4fc50d17362e6ed4e53b082e4d01ad286eb2caca5113ae09e48eca48889b36fb
SHA512

0b2dcbb290799c183ba07bdab0fb29f99c6621397a00ee7b76c9c12e45d4df0fca3c4d81dcea270496e185abeb9fbaf0ef7c62ebc284d356e0a39683d95f6d3c
SSDEEP

24576:ZmsNORPPda72PV1sjlty/+gpd9O2hyyL7imXSQ:ZmnRPhD3bf9O2h9T

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	Purchase Order Specifications for March-2023 update.pdf (253K).exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4460 set thread context of 1528	4460	Purchase Order Specifications for March-2023 update.pdf (253K).exe	88

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
4460	Purchase Order Specifications for March-2023 update.pdf (253K).exe
4460	Purchase Order Specifications for March-2023 update.pdf (253K).exe
4460	Purchase Order Specifications for March-2023 update.pdf (253K).exe
4460	Purchase Order Specifications for March-2023 update.pdf (253K).exe
4460	Purchase Order Specifications for March-2023 update.pdf (253K).exe
4932	powershell.exe
4932	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4460	Purchase Order Specifications for March-2023 update.pdf (253K).exe
Token: SeDebugPrivilege	4932	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1528	Purchase Order Specifications for March-2023 update.pdf (253K).exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4460 wrote to memory of 4932	4460	Purchase Order Specifications for March-2023 update.pdf (253K).exe	86
PID 4460 wrote to memory of 4932	4460	Purchase Order Specifications for March-2023 update.pdf (253K).exe	86
PID 4460 wrote to memory of 4932	4460	Purchase Order Specifications for March-2023 update.pdf (253K).exe	86
PID 4460 wrote to memory of 1528	4460	Purchase Order Specifications for March-2023 update.pdf (253K).exe	88
PID 4460 wrote to memory of 1528	4460	Purchase Order Specifications for March-2023 update.pdf (253K).exe	88
PID 4460 wrote to memory of 1528	4460	Purchase Order Specifications for March-2023 update.pdf (253K).exe	88
PID 4460 wrote to memory of 1528	4460	Purchase Order Specifications for March-2023 update.pdf (253K).exe	88
PID 4460 wrote to memory of 1528	4460	Purchase Order Specifications for March-2023 update.pdf (253K).exe	88
PID 4460 wrote to memory of 1528	4460	Purchase Order Specifications for March-2023 update.pdf (253K).exe	88
PID 4460 wrote to memory of 1528	4460	Purchase Order Specifications for March-2023 update.pdf (253K).exe	88
PID 4460 wrote to memory of 1528	4460	Purchase Order Specifications for March-2023 update.pdf (253K).exe	88

C:\Users\Admin\AppData\Local\Temp\Purchase Order Specifications for March-2023 update.pdf (253K).exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order Specifications for March-2023 update.pdf (253K).exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4460
- 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\Purchase Order Specifications for March-2023 update.pdf (253K).exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4932
- C:\Users\Admin\AppData\Local\Temp\Purchase Order Specifications for March-2023 update.pdf (253K).exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase Order Specifications for March-2023 update.pdf (253K).exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1528

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4yf0h44i.zij.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1528-150-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/1528-140-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/1528-187-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/1528-144-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/4460-134-0x00000000052B0000-0x0000000005854000-memory.dmp

Filesize
5.6MB

Download
memory/4460-135-0x0000000004DA0000-0x0000000004E32000-memory.dmp

Filesize
584KB

Download
memory/4460-136-0x0000000004D70000-0x0000000004D7A000-memory.dmp

Filesize
40KB

Download
memory/4460-137-0x0000000004D60000-0x0000000004D70000-memory.dmp

Filesize
64KB

Download
memory/4460-138-0x0000000004D60000-0x0000000004D70000-memory.dmp

Filesize
64KB

Download
memory/4460-139-0x00000000084D0000-0x000000000856C000-memory.dmp

Filesize
624KB

Download
memory/4460-133-0x0000000000270000-0x00000000003A8000-memory.dmp

Filesize
1.2MB

Download
memory/4932-153-0x00000000059E0000-0x0000000005A46000-memory.dmp

Filesize
408KB

Download
memory/4932-166-0x0000000070650000-0x000000007069C000-memory.dmp

Filesize
304KB

Download
memory/4932-151-0x0000000005660000-0x0000000005682000-memory.dmp

Filesize
136KB

Download
memory/4932-152-0x0000000005900000-0x0000000005966000-memory.dmp

Filesize
408KB

Download
memory/4932-148-0x00000000054B0000-0x00000000054C0000-memory.dmp

Filesize
64KB

Download
memory/4932-147-0x0000000005AF0000-0x0000000006118000-memory.dmp

Filesize
6.2MB

Download
memory/4932-163-0x0000000006640000-0x000000000665E000-memory.dmp

Filesize
120KB

Download
memory/4932-164-0x00000000054B0000-0x00000000054C0000-memory.dmp

Filesize
64KB

Download
memory/4932-165-0x00000000077F0000-0x0000000007822000-memory.dmp

Filesize
200KB

Download
memory/4932-149-0x00000000054B0000-0x00000000054C0000-memory.dmp

Filesize
64KB

Download
memory/4932-176-0x0000000006BF0000-0x0000000006C0E000-memory.dmp

Filesize
120KB

Download
memory/4932-177-0x0000000007F90000-0x000000000860A000-memory.dmp

Filesize
6.5MB

Download
memory/4932-178-0x0000000007950000-0x000000000796A000-memory.dmp

Filesize
104KB

Download
memory/4932-179-0x000000007F830000-0x000000007F840000-memory.dmp

Filesize
64KB

Download
memory/4932-180-0x00000000079C0000-0x00000000079CA000-memory.dmp

Filesize
40KB

Download
memory/4932-181-0x0000000007BD0000-0x0000000007C66000-memory.dmp

Filesize
600KB

Download
memory/4932-182-0x0000000007B90000-0x0000000007B9E000-memory.dmp

Filesize
56KB

Download
memory/4932-183-0x0000000007C90000-0x0000000007CAA000-memory.dmp

Filesize
104KB

Download
memory/4932-184-0x0000000007C70000-0x0000000007C78000-memory.dmp

Filesize
32KB

Download
memory/4932-142-0x0000000001550000-0x0000000001586000-memory.dmp

Filesize
216KB

Download

Analysis

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