98c2d674f022458c915a34c89c5806f713319a256468cd0cdc79c63b7cffc152

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-12-2024 00:39

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General

Target

98c2d674f022458c915a34c89c5806f713319a256468cd0cdc79c63b7cffc152.dll
Size

76KB
MD5

3f329fc0cfe33559a623d26960c97a0b
SHA1

b890a13874973086ead2c4e5c373d9546a51d9ca
SHA256

98c2d674f022458c915a34c89c5806f713319a256468cd0cdc79c63b7cffc152
SHA512

e486005cf0b768caf15cd6e1eca42f7f4367fece00e4b6fb3a82afec9d926c142aabdaecbe64462067766f45b9ad449155c3f759b01a545cb1c4ed6b9a524f2e
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZX18u3y:c8y93KQjy7G55riF1cMo035C

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2608-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2608-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3512	2608	WerFault.exe	84

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	2608	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1036 wrote to memory of 2608	1036	rundll32.exe	84
PID 1036 wrote to memory of 2608	1036	rundll32.exe	84
PID 1036 wrote to memory of 2608	1036	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\98c2d674f022458c915a34c89c5806f713319a256468cd0cdc79c63b7cffc152.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1036
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\98c2d674f022458c915a34c89c5806f713319a256468cd0cdc79c63b7cffc152.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2608
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2608 -s 704
    3⤵
    - Program crash
    PID:3512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2608 -ip 2608
1⤵
PID:3256

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2608-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2608-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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