9b9fd5ad54ba1aadc670fa4be3edab4ba8abca1b49880f57d4378320129c2f41

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02-10-2024 11:07

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General

Target

PO for October.exe
Size

505KB
MD5

bf850cd7bd7cdfc2b21420ae5911fbaf
SHA1

9b67f9d3e9319f9abd19686411884c441051e568
SHA256

9576f740ace3c18ef6ab226e8c6ec41597af4d6b96ee8bc50861420cd7385193
SHA512

02862973206b7a5c25d63a6b4f4f558a242ae8b7cbe698f1208d2cd2b048d1bd843b32b7b1823607134271e4d34128b04a114a80b481be2783af888dab7ae0fb
SSDEEP

12288:ehSF4nneptwUHCQ9BelL91hiV0kqLFk0hyS2BjXGRKki7kQfwf1mWZxmDBVMayaE:ehvgdES41Lx4BSBnHt

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
1820	PO for October.exe
1820	PO for October.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2260	1820	WerFault.exe	27

System Location Discovery: System Language Discovery 1 TTPs 1 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 for October.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 2260	1820	PO for October.exe	28
PID 1820 wrote to memory of 2260	1820	PO for October.exe	28
PID 1820 wrote to memory of 2260	1820	PO for October.exe	28
PID 1820 wrote to memory of 2260	1820	PO for October.exe	28

C:\Users\Admin\AppData\Local\Temp\PO for October.exe
"C:\Users\Admin\AppData\Local\Temp\PO for October.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1820 -s 524
  2⤵
  - Program crash
  PID:2260

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

\Users\Admin\AppData\Local\Temp\nsj897D.tmp\System.dll

Filesize
12KB

MD5
dd87a973e01c5d9f8e0fcc81a0af7c7a

SHA1
c9206ced48d1e5bc648b1d0f54cccc18bf643a14

SHA256
7fb0f8d452fefaac789986b933df050f3d3e4feb8a8d9944ada995f572dcdca1

SHA512
4910b39b1a99622ac8b3c42f173bbe7035ac2f8d40c946468e7db7e2868a2da81ea94da453857f06f39957dd690c7f1ba498936a7aaa0039975e472376f92e8f

Download Submit
memory/1820-14-0x0000000003E30000-0x0000000005075000-memory.dmp

Filesize
18.3MB

Download
memory/1820-15-0x0000000003E30000-0x0000000005075000-memory.dmp

Filesize
18.3MB

Download