dbf9b4db2092f186cc780116608cf78801c58b7a0d2e7fc0a0b7fea6ed58cfff

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2024 15:13

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General

Target

dbf9b4db2092f186cc780116608cf78801c58b7a0d2e7fc0a0b7fea6ed58cfff.dll
Size

203KB
MD5

0acc7973b6c2672972a734014b4371ac
SHA1

648d4e37f2205d93b9af67c603cd9ca44464e519
SHA256

dbf9b4db2092f186cc780116608cf78801c58b7a0d2e7fc0a0b7fea6ed58cfff
SHA512

83914abe717f960a35dec136faa78dab06f67feee6f335ba016a54e5d8f77429d54a2fad7362eee8440c132d791d9ee51cce74e649f31e56af8961a77b2301f5
SSDEEP

3072:hJ8IMILmCa3yx6oFEdgVXnFYf7C9Ugfxm3Nep9viMnEa:0kmCaiEoFEd+FYOtxmdeviMF

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/3388-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/3388-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3692	3388	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	3388	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1928 wrote to memory of 3388	1928	rundll32.exe	83
PID 1928 wrote to memory of 3388	1928	rundll32.exe	83
PID 1928 wrote to memory of 3388	1928	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dbf9b4db2092f186cc780116608cf78801c58b7a0d2e7fc0a0b7fea6ed58cfff.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1928
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dbf9b4db2092f186cc780116608cf78801c58b7a0d2e7fc0a0b7fea6ed58cfff.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3388
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3388 -s 692
    3⤵
    - Program crash
    PID:3692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3388 -ip 3388
1⤵
PID:3088

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

Replay Monitor

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Downloads

memory/3388-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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memory/3388-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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