348359c3d86451b83e2ac5cdb5209dd36f6ffe6ce5eea653ea7d800c34957a8a

Analysis

max time kernel
143s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
16/08/2023, 07:08

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General

Target

INVOICE_P032.PDF.exe
Size

703KB
MD5

15b7c3acc03b9d498389391e120d6472
SHA1

299a4cc4d83a049419cc9ac0ac043e1b16db7756
SHA256

41af15dafa492ea69f7c737e77a2392a1480c35e3bdd905d811e470f916e361c
SHA512

e771e720a958c0c752f2d950d706494939c9ae7713c0ec479000545449c1374b3dd8038ddbb1564a77253103a6ae27c7e154504a4e440f84e214b18df98db9a8
SSDEEP

12288:Et5yAzKtV/OVSR/8k4kGetKwLi8ZwynBfdTlX29beozOT9gKANr:EtwuK6ERbqfgZdTlX29qozOT9g7

Score

5^/10

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4044 set thread context of 2764	4044	INVOICE_P032.PDF.exe	95

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

System Information Discovery
T1082

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/Job

T1053

pid	Process
4880	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
4044	INVOICE_P032.PDF.exe
4044	INVOICE_P032.PDF.exe
4044	INVOICE_P032.PDF.exe
4044	INVOICE_P032.PDF.exe
4044	INVOICE_P032.PDF.exe
1508	powershell.exe
2764	RegSvcs.exe
2764	RegSvcs.exe
1508	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4044	INVOICE_P032.PDF.exe
Token: SeDebugPrivilege	1508	powershell.exe
Token: SeDebugPrivilege	2764	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4044 wrote to memory of 1508	4044	INVOICE_P032.PDF.exe	90
PID 4044 wrote to memory of 1508	4044	INVOICE_P032.PDF.exe	90
PID 4044 wrote to memory of 1508	4044	INVOICE_P032.PDF.exe	90
PID 4044 wrote to memory of 4880	4044	INVOICE_P032.PDF.exe	92
PID 4044 wrote to memory of 4880	4044	INVOICE_P032.PDF.exe	92
PID 4044 wrote to memory of 4880	4044	INVOICE_P032.PDF.exe	92
PID 4044 wrote to memory of 4108	4044	INVOICE_P032.PDF.exe	94
PID 4044 wrote to memory of 4108	4044	INVOICE_P032.PDF.exe	94
PID 4044 wrote to memory of 4108	4044	INVOICE_P032.PDF.exe	94
PID 4044 wrote to memory of 2764	4044	INVOICE_P032.PDF.exe	95
PID 4044 wrote to memory of 2764	4044	INVOICE_P032.PDF.exe	95
PID 4044 wrote to memory of 2764	4044	INVOICE_P032.PDF.exe	95
PID 4044 wrote to memory of 2764	4044	INVOICE_P032.PDF.exe	95
PID 4044 wrote to memory of 2764	4044	INVOICE_P032.PDF.exe	95
PID 4044 wrote to memory of 2764	4044	INVOICE_P032.PDF.exe	95
PID 4044 wrote to memory of 2764	4044	INVOICE_P032.PDF.exe	95
PID 4044 wrote to memory of 2764	4044	INVOICE_P032.PDF.exe	95

C:\Users\Admin\AppData\Local\Temp\INVOICE_P032.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE_P032.PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4044
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EYRcDv.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1508
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EYRcDv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF51E.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4880
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:4108
- 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:2764

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

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

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_b5zjf4i0.el1.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF51E.tmp

Filesize
1KB

MD5
2a017c4373b7a31e058521e535679a89

SHA1
73488e4031eb178300580cde1665b82729a79357

SHA256
b5bbc4dde83b38c91298bd52691981644138e57b1da22b920b47c9c8f69af1d9

SHA512
7569325d8b24510592f555e4c2c96ef3e5cc8a39f4aa1467eadb1e2c48da739d418ce928ec762da256114cf01e1d1e83c60b6a551fe3011351699761b064657e

Download Submit
memory/1508-159-0x00000000055B0000-0x0000000005616000-memory.dmp

Filesize
408KB

Download
memory/1508-185-0x0000000006F60000-0x0000000006F7A000-memory.dmp

Filesize
104KB

Download
memory/1508-196-0x00000000750F0000-0x00000000758A0000-memory.dmp

Filesize
7.7MB

Download
memory/1508-193-0x0000000002340000-0x0000000002350000-memory.dmp

Filesize
64KB

Download
memory/1508-192-0x00000000072A0000-0x00000000072A8000-memory.dmp

Filesize
32KB

Download
memory/1508-191-0x00000000072B0000-0x00000000072CA000-memory.dmp

Filesize
104KB

Download
memory/1508-190-0x00000000071B0000-0x00000000071BE000-memory.dmp

Filesize
56KB

Download
memory/1508-146-0x0000000002350000-0x0000000002386000-memory.dmp

Filesize
216KB

Download
memory/1508-147-0x00000000750F0000-0x00000000758A0000-memory.dmp

Filesize
7.7MB

Download
memory/1508-148-0x0000000002340000-0x0000000002350000-memory.dmp

Filesize
64KB

Download
memory/1508-149-0x0000000002340000-0x0000000002350000-memory.dmp

Filesize
64KB

Download
memory/1508-189-0x0000000002340000-0x0000000002350000-memory.dmp

Filesize
64KB

Download
memory/1508-151-0x0000000004E10000-0x0000000005438000-memory.dmp

Filesize
6.2MB

Download
memory/1508-188-0x00000000750F0000-0x00000000758A0000-memory.dmp

Filesize
7.7MB

Download
memory/1508-187-0x00000000071E0000-0x0000000007276000-memory.dmp

Filesize
600KB

Download
memory/1508-186-0x0000000006FD0000-0x0000000006FDA000-memory.dmp

Filesize
40KB

Download
memory/1508-184-0x00000000075B0000-0x0000000007C2A000-memory.dmp

Filesize
6.5MB

Download
memory/1508-156-0x0000000004D80000-0x0000000004DA2000-memory.dmp

Filesize
136KB

Download
memory/1508-172-0x0000000070D80000-0x0000000070DCC000-memory.dmp

Filesize
304KB

Download
memory/1508-171-0x0000000006240000-0x0000000006272000-memory.dmp

Filesize
200KB

Download
memory/1508-182-0x00000000061F0000-0x000000000620E000-memory.dmp

Filesize
120KB

Download
memory/1508-169-0x0000000005C60000-0x0000000005C7E000-memory.dmp

Filesize
120KB

Download
memory/1508-170-0x0000000002340000-0x0000000002350000-memory.dmp

Filesize
64KB

Download
memory/2764-158-0x0000000005610000-0x0000000005676000-memory.dmp

Filesize
408KB

Download
memory/2764-198-0x0000000005460000-0x0000000005470000-memory.dmp

Filesize
64KB

Download
memory/2764-197-0x00000000750F0000-0x00000000758A0000-memory.dmp

Filesize
7.7MB

Download
memory/2764-183-0x0000000006530000-0x0000000006580000-memory.dmp

Filesize
320KB

Download
memory/2764-157-0x0000000005460000-0x0000000005470000-memory.dmp

Filesize
64KB

Download
memory/2764-152-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2764-155-0x00000000750F0000-0x00000000758A0000-memory.dmp

Filesize
7.7MB

Download
memory/4044-135-0x00000000057B0000-0x0000000005D54000-memory.dmp

Filesize
5.6MB

Download
memory/4044-154-0x00000000750F0000-0x00000000758A0000-memory.dmp

Filesize
7.7MB

Download
memory/4044-133-0x0000000000720000-0x00000000007D6000-memory.dmp

Filesize
728KB

Download
memory/4044-141-0x00000000053A0000-0x00000000053B0000-memory.dmp

Filesize
64KB

Download
memory/4044-140-0x00000000750F0000-0x00000000758A0000-memory.dmp

Filesize
7.7MB

Download
memory/4044-139-0x0000000005450000-0x00000000054EC000-memory.dmp

Filesize
624KB

Download
memory/4044-138-0x00000000051B0000-0x00000000051BA000-memory.dmp

Filesize
40KB

Download
memory/4044-137-0x00000000053A0000-0x00000000053B0000-memory.dmp

Filesize
64KB

Download
memory/4044-134-0x00000000750F0000-0x00000000758A0000-memory.dmp

Filesize
7.7MB

Download
memory/4044-136-0x0000000005200000-0x0000000005292000-memory.dmp

Filesize
584KB

Download