27aef7387cd051c837fe6660aa29ca4fa48a3dddf8b551d88998d6921ef7fbdf

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
20-01-2025 16:49

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General

Target

27aef7387cd051c837fe6660aa29ca4fa48a3dddf8b551d88998d6921ef7fbdf.dll
Size

76KB
MD5

ce976cf799fe56b87d9d070dd96eb7fe
SHA1

368888a4950448a0950cb2f1e79fad30db770fe5
SHA256

27aef7387cd051c837fe6660aa29ca4fa48a3dddf8b551d88998d6921ef7fbdf
SHA512

97179fcd05ab4b89a3ba6f385cb9136115c8ef7bfeeec002bed47be175be7c68e44c7305776e8568056eb6bc467a4f885b4360c3f91808c05d624bb368d57f2f
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZYNO49m:c8y93KQjy7G55riF1cMo03eO2m

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/4520-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4520-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2356	4520	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	4520	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4272 wrote to memory of 4520	4272	rundll32.exe	83
PID 4272 wrote to memory of 4520	4272	rundll32.exe	83
PID 4272 wrote to memory of 4520	4272	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\27aef7387cd051c837fe6660aa29ca4fa48a3dddf8b551d88998d6921ef7fbdf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4272
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\27aef7387cd051c837fe6660aa29ca4fa48a3dddf8b551d88998d6921ef7fbdf.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4520
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4520 -s 712
    3⤵
    - Program crash
    PID:2356

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4520 -ip 4520
1⤵
PID:2568

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/4520-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/4520-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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