28821f2c1522e60b54a5a2f390cccad2a0bbc2b86d342554b4207d170b2683d6

Analysis

max time kernel
123s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
09/01/2024, 07:28

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General

Target

4db6685d97a57f865bf71b49e3f4707f.exe
Size

85KB
MD5

4db6685d97a57f865bf71b49e3f4707f
SHA1

4dd670cf2fde0ce09e0e22f854a8478cbea86570
SHA256

28821f2c1522e60b54a5a2f390cccad2a0bbc2b86d342554b4207d170b2683d6
SHA512

cc42cd67dd0a7a304fbd8bcda72b9244a9b214b7d451a62744e4037232635c80bbbac1df55346f4c313de0f2845be5add787d70d0e77cb2c6e2a4f9d19d512ba
SSDEEP

1536:wHLmLTMUFRy1U/9PEBVYflqhHSOkyx9wVCoIsGKJqPUQKc:wHLMT01U/9PEUlqhPx9QCqJ0sQK

Score

7^/10

upx

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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	4db6685d97a57f865bf71b49e3f4707f.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3240-0-0x0000000000400000-0x0000000000437000-memory.dmp	upx
behavioral2/memory/3240-2-0x0000000000400000-0x0000000000437000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3240 wrote to memory of 4800	3240	4db6685d97a57f865bf71b49e3f4707f.exe	18
PID 3240 wrote to memory of 4800	3240	4db6685d97a57f865bf71b49e3f4707f.exe	18
PID 3240 wrote to memory of 4800	3240	4db6685d97a57f865bf71b49e3f4707f.exe	18

C:\Users\Admin\AppData\Local\Temp\4db6685d97a57f865bf71b49e3f4707f.exe
"C:\Users\Admin\AppData\Local\Temp\4db6685d97a57f865bf71b49e3f4707f.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3240
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /q /c "C:\Users\Admin\AppData\Local\Temp\4602.tmp.bat" > nul 2> nul
  2⤵
  PID:4800

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3240-0-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/3240-2-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download