fcb6cce2f20194dfc41ebb6644cc8c0656c5e2eca7323f01b2a7f1ae03a3577f

Analysis

max time kernel
94s
max time network
142s
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, 04:32

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General

Target

fcb6cce2f20194dfc41ebb6644cc8c0656c5e2eca7323f01b2a7f1ae03a3577f.dll
Size

203KB
MD5

9a3f25d88e255f5db578543ac3d78934
SHA1

9f4c602928e96641e9fe6fbe670c34f3b30fa397
SHA256

fcb6cce2f20194dfc41ebb6644cc8c0656c5e2eca7323f01b2a7f1ae03a3577f
SHA512

b11901a5160457040407f963067fc9887ea3fd83b379b8d2735f8f5edcdb2be4beb7d5397824ee141244dfb2ee62f316d96d18c8df691a25e9b15ec999c9d0de
SSDEEP

3072:hJ8IMILmCa3yx6oFEdgVXnFYf7C9Ugfxm3Nep9viMLf+vMkNJhQXD9x:0kmCaiEoFEd+FYOtxmdeviMLfL

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/3592-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/3592-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3412	3592	WerFault.exe	82

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	3592	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3888 wrote to memory of 3592	3888	rundll32.exe	82
PID 3888 wrote to memory of 3592	3888	rundll32.exe	82
PID 3888 wrote to memory of 3592	3888	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fcb6cce2f20194dfc41ebb6644cc8c0656c5e2eca7323f01b2a7f1ae03a3577f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3888
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fcb6cce2f20194dfc41ebb6644cc8c0656c5e2eca7323f01b2a7f1ae03a3577f.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3592
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3592 -s 704
    3⤵
    - Program crash
    PID:3412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3592 -ip 3592
1⤵
PID:1068

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/3592-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3592-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download