d3ba8889479b3b0afac56d98f86c549ef3215622aed55ef03f4e44b6c1774d93

Analysis

max time kernel
188s
max time network
192s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2022, 06:12

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General

Target

d3ba8889479b3b0afac56d98f86c549ef3215622aed55ef03f4e44b6c1774d93.exe
Size

4KB
MD5

5fc35df2da85471ae646fac70a4ad034
SHA1

1f4d4ce628b2f0cc6de2c0ad2ef0de0fd68f6ad9
SHA256

d3ba8889479b3b0afac56d98f86c549ef3215622aed55ef03f4e44b6c1774d93
SHA512

414467fdbf80bfe30c2ca3c3855d85e4d2095c91f1dbe0cd0852ab930a5fa9c7e9552f6ec1eca224a8d8f473a7591e28ddac1533491b627bbeb62d281a3a6e71
SSDEEP

48:qTQyQxjZA8mren96Gh0o8tbGgGQmu0ISQw7PiV561N5MNqMAtkaoYh94p0qSeJYK:bbmr2xSo8tbDmXJV+HbNEtkaoWYThu

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/4812-132-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4812-134-0x0000000000400000-0x0000000000408000-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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	d3ba8889479b3b0afac56d98f86c549ef3215622aed55ef03f4e44b6c1774d93.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3696	4812	WerFault.exe	79

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4812 wrote to memory of 764	4812	d3ba8889479b3b0afac56d98f86c549ef3215622aed55ef03f4e44b6c1774d93.exe	80
PID 4812 wrote to memory of 764	4812	d3ba8889479b3b0afac56d98f86c549ef3215622aed55ef03f4e44b6c1774d93.exe	80
PID 4812 wrote to memory of 764	4812	d3ba8889479b3b0afac56d98f86c549ef3215622aed55ef03f4e44b6c1774d93.exe	80

C:\Users\Admin\AppData\Local\Temp\d3ba8889479b3b0afac56d98f86c549ef3215622aed55ef03f4e44b6c1774d93.exe
"C:\Users\Admin\AppData\Local\Temp\d3ba8889479b3b0afac56d98f86c549ef3215622aed55ef03f4e44b6c1774d93.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4812
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\D3BA88~1.EXE > nul
  2⤵
  PID:764
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4812 -s 1360
  2⤵
  - Program crash
  PID:3696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4812 -ip 4812
1⤵
PID:3044

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

memory/4812-132-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4812-134-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download