99cd998a479156e669d097a7420229d2c8b7c9671b5efe1d2cedc4c0635c4637

Analysis

max time kernel
104s
max time network
115s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
26/07/2024, 02:53

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General

Target

5e1b3c0da52690da1e46301d2fcb0800N.exe
Size

42KB
MD5

5e1b3c0da52690da1e46301d2fcb0800
SHA1

83f4f49b0cedd49f4456d435bc4eadf7e4c5d2a1
SHA256

99cd998a479156e669d097a7420229d2c8b7c9671b5efe1d2cedc4c0635c4637
SHA512

97ccc7867d958258c7882ef4cc8a5b0366717bccbd013363509c5d90f6a472e157a888ac9c22e20b0ef423e5942b3c03897444f71f52197328b05d49c6987225
SSDEEP

384:I8/JYSrFQjGezfNHP1zZYpMYUzMk9hBcecy0rtKqhMa82c7ky435/tVcOOVo:F/3ed1zZN/zoy0rt/Mdn43RvcOx

Score

7^/10

discovery

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-1-5-21-1705699165-553239100-4129523827-1000\Control Panel\International\Geo\Nation	5e1b3c0da52690da1e46301d2fcb0800N.exe

Executes dropped EXE 1 IoCs

pid	Process
1004	update_pdf.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 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	5e1b3c0da52690da1e46301d2fcb0800N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	update_pdf.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3724 wrote to memory of 1004	3724	5e1b3c0da52690da1e46301d2fcb0800N.exe	84
PID 3724 wrote to memory of 1004	3724	5e1b3c0da52690da1e46301d2fcb0800N.exe	84
PID 3724 wrote to memory of 1004	3724	5e1b3c0da52690da1e46301d2fcb0800N.exe	84

C:\Users\Admin\AppData\Local\Temp\5e1b3c0da52690da1e46301d2fcb0800N.exe
"C:\Users\Admin\AppData\Local\Temp\5e1b3c0da52690da1e46301d2fcb0800N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3724
- C:\Users\Admin\AppData\Local\Temp\update_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\update_pdf.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1004

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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\update_pdf.exe

Filesize
42KB

MD5
e1afc8810d6ef3935088a323cf212978

SHA1
223da5efdbaaf1e93ca9bf89ec786203ae4d914b

SHA256
908dfca953f5a95039f264be53796152f524a09defa39a9cdd8482b025d5b173

SHA512
5e193582c0479e5cbf23098d311fa32eb8718ae7b4db0283c8dc648cd89d0f6dfa0ee5ce82db38713656c564511e9f799a24d17e3f3435ffb9d1aa45e667af07

Download Submit
memory/1004-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1004-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3724-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3724-1-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/3724-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download