fbebe781956676099bbbc0e1111cab9bd75626dcf42683a04e92c6088e4403dc

Analysis

max time kernel
89s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
19/10/2022, 17:15

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General

Target

fbebe781956676099bbbc0e1111cab9bd75626dcf42683a04e92c6088e4403dc.exe
Size

88KB
MD5

91253969da720eb61727a08e81dcee50
SHA1

1371c3eb16d134a681a002e78c2c7a39f2f38231
SHA256

fbebe781956676099bbbc0e1111cab9bd75626dcf42683a04e92c6088e4403dc
SHA512

56463fc33985f9409a8e12604716d8b91c5b41a92a88d4ed3eeda542a69b201af2548ef3525100a8253f236a2072d97e8c5633c51601babce88e2392235f9672
SSDEEP

1536:esrpFJekIsOnOCaRIj0oCudDF9DXQIdgikEH7m0:BdFJekX2jaRU0/IDFNQIdgrI

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4908-133-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral2/memory/4908-135-0x0000000000400000-0x0000000000425000-memory.dmp	upx

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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	fbebe781956676099bbbc0e1111cab9bd75626dcf42683a04e92c6088e4403dc.exe

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

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4908	fbebe781956676099bbbc0e1111cab9bd75626dcf42683a04e92c6088e4403dc.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4908 wrote to memory of 828	4908	fbebe781956676099bbbc0e1111cab9bd75626dcf42683a04e92c6088e4403dc.exe	84
PID 4908 wrote to memory of 828	4908	fbebe781956676099bbbc0e1111cab9bd75626dcf42683a04e92c6088e4403dc.exe	84
PID 4908 wrote to memory of 828	4908	fbebe781956676099bbbc0e1111cab9bd75626dcf42683a04e92c6088e4403dc.exe	84

C:\Users\Admin\AppData\Local\Temp\fbebe781956676099bbbc0e1111cab9bd75626dcf42683a04e92c6088e4403dc.exe
"C:\Users\Admin\AppData\Local\Temp\fbebe781956676099bbbc0e1111cab9bd75626dcf42683a04e92c6088e4403dc.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:4908
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /q /c "C:\Users\Admin\AppData\Local\Temp\Gsz..bat" > nul 2> nul
  2⤵
  PID:828

Network

MITRE ATT&CK Enterprise v6

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

C:\Users\Admin\AppData\Local\Temp\Gsz..bat

Filesize
274B

MD5
09efe59ad65818377bfe37152d1aa27f

SHA1
457c76c0838c6cf903e784462ac7d6202fdec012

SHA256
fa40decd911385858025736b832968842a275672e6793de82fb3b670a8cd7b1c

SHA512
64eeaffd5edb1ce6eda2b750889434f760dc7bf6e879c2c2145d543d967d462e50779047e271cf74ff9cd3ead00015d9e0e416c904113473564455578a666f8a

Download Submit
memory/4908-132-0x0000000002170000-0x000000000217D000-memory.dmp

Filesize
52KB

Download
memory/4908-133-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4908-135-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download