cd5d2a8788d07665e0f89e4ad93cd80222a8f9156e9ea16ea33824251b84e997

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2024 10:42

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General

Target

cd5d2a8788d07665e0f89e4ad93cd80222a8f9156e9ea16ea33824251b84e997N.dll
Size

203KB
MD5

3034885941141705c795d4d6cc126f50
SHA1

668783a2d0fbc352455a2c445fb0306960782e41
SHA256

cd5d2a8788d07665e0f89e4ad93cd80222a8f9156e9ea16ea33824251b84e997
SHA512

2a325767ac8ea0329c4f3542a28ee9817fd2fa140fda6dec8f4a4dac6995000abea63224af42a8121345cdc55c0a81e6fc0b71f5ee0afa66bd358acaf22b5cce
SSDEEP

3072:aJ8IMILmCa3yx6oFEdgVXnF6C9Ugfxm32n7SpiMwGDU:5kmCaiEoFEd+F3txm2SpiMwG4

Score

5^/10

discovery 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/3680-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/3680-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2028	3680	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 1 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	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3680	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3760 wrote to memory of 3680	3760	rundll32.exe	83
PID 3760 wrote to memory of 3680	3760	rundll32.exe	83
PID 3760 wrote to memory of 3680	3760	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cd5d2a8788d07665e0f89e4ad93cd80222a8f9156e9ea16ea33824251b84e997N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3760
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cd5d2a8788d07665e0f89e4ad93cd80222a8f9156e9ea16ea33824251b84e997N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3680
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3680 -s 704
    3⤵
    - Program crash
    PID:2028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3680 -ip 3680
1⤵
PID:4420

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3680-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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memory/3680-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download