83a384c708e9d76cb30dbb1d36446760584ba2532abd41cb442120e008b3c296

Analysis

max time kernel
94s
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
17-12-2024 21:59

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General

Target

83a384c708e9d76cb30dbb1d36446760584ba2532abd41cb442120e008b3c296N.dll
Size

76KB
MD5

bf63c178213f32dac730f153413d6850
SHA1

9dbe907caecb8a13f219a643a6e66d66ca9aa098
SHA256

83a384c708e9d76cb30dbb1d36446760584ba2532abd41cb442120e008b3c296
SHA512

da58c664bf5567b7afbe1454f904e3bc6d68698a810ae4fe3410802efea9c62df372ce2c4bc907b2a1559beef18db6a18d58969f24f34852bedbe6134c641ef3
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZhSQ/t9r94Ciw:c8y93KQjy7G55riF1cMo03XSGtcK

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/3744-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3744-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2408	3744	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	3744	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4216 wrote to memory of 3744	4216	rundll32.exe	82
PID 4216 wrote to memory of 3744	4216	rundll32.exe	82
PID 4216 wrote to memory of 3744	4216	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\83a384c708e9d76cb30dbb1d36446760584ba2532abd41cb442120e008b3c296N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4216
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\83a384c708e9d76cb30dbb1d36446760584ba2532abd41cb442120e008b3c296N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3744
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3744 -s 716
    3⤵
    - Program crash
    PID:2408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3744 -ip 3744
1⤵
PID:112

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/3744-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3744-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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