e3565cb7966641be873c2e343d3ba134ddc7e52cee2b8f330fe96cda41774152

Analysis

max time kernel
117s
max time network
116s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 22:37

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General

Target

05d1914676b8e0d2a98c08c5b19a2ce8.exe
Size

55KB
MD5

05d1914676b8e0d2a98c08c5b19a2ce8
SHA1

96a69c2e360421660ba3933266fc88c3f31bfa6b
SHA256

e3565cb7966641be873c2e343d3ba134ddc7e52cee2b8f330fe96cda41774152
SHA512

d1fd553fe2adb85c19f8912ed212a4af94f3eb92088c142f05a5ae99fe9ea9edea285a0c4e5ac5c7c69f8406e02b7d99257b6c7436c6f30bd89b711d232c790f
SSDEEP

768:xyyD/8eMHCFpa7yjHDEY86sBkPwaQW7crxwsr2F8uElx4xQzC2ex0JoXIe+LrVU:xyiE8giDsF26jrc8uECVbi7ZU

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-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation	05d1914676b8e0d2a98c08c5b19a2ce8.exe

Executes dropped EXE 1 IoCs

pid	Process
2668	ctfmon.exe

Loads dropped DLL 1 IoCs

pid	Process
3452	05d1914676b8e0d2a98c08c5b19a2ce8.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3452-19-0x0000000010000000-0x000000001001F000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\ctfmon.exe	05d1914676b8e0d2a98c08c5b19a2ce8.exe
File opened for modification	C:\Windows\ctfmon.exe	05d1914676b8e0d2a98c08c5b19a2ce8.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
1168	3452	WerFault.exe	16

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
3452	05d1914676b8e0d2a98c08c5b19a2ce8.exe
3452	05d1914676b8e0d2a98c08c5b19a2ce8.exe
3452	05d1914676b8e0d2a98c08c5b19a2ce8.exe
3452	05d1914676b8e0d2a98c08c5b19a2ce8.exe
3452	05d1914676b8e0d2a98c08c5b19a2ce8.exe
3452	05d1914676b8e0d2a98c08c5b19a2ce8.exe
3452	05d1914676b8e0d2a98c08c5b19a2ce8.exe
3452	05d1914676b8e0d2a98c08c5b19a2ce8.exe
3452	05d1914676b8e0d2a98c08c5b19a2ce8.exe
3452	05d1914676b8e0d2a98c08c5b19a2ce8.exe
3452	05d1914676b8e0d2a98c08c5b19a2ce8.exe
3452	05d1914676b8e0d2a98c08c5b19a2ce8.exe
3452	05d1914676b8e0d2a98c08c5b19a2ce8.exe
3452	05d1914676b8e0d2a98c08c5b19a2ce8.exe
3452	05d1914676b8e0d2a98c08c5b19a2ce8.exe
3452	05d1914676b8e0d2a98c08c5b19a2ce8.exe
3452	05d1914676b8e0d2a98c08c5b19a2ce8.exe
3452	05d1914676b8e0d2a98c08c5b19a2ce8.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3452 wrote to memory of 2668	3452	05d1914676b8e0d2a98c08c5b19a2ce8.exe	93
PID 3452 wrote to memory of 2668	3452	05d1914676b8e0d2a98c08c5b19a2ce8.exe	93

C:\Users\Admin\AppData\Local\Temp\05d1914676b8e0d2a98c08c5b19a2ce8.exe
"C:\Users\Admin\AppData\Local\Temp\05d1914676b8e0d2a98c08c5b19a2ce8.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3452
- C:\Windows\ctfmon.exe
  "C:\Windows\ctfmon.exe"
  2⤵
  - Executes dropped EXE
  PID:2668
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3452 -s 1160
  2⤵
  - Program crash
  PID:1168

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3452 -ip 3452
1⤵
PID:4544

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/3452-0-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/3452-19-0x0000000010000000-0x000000001001F000-memory.dmp

Filesize
124KB

Download