b678e196ce5da2fe3f2d6b8255f96d419ecd22baad1603f5ee42accc41a8ffc7

Analysis

max time kernel
114s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
31/08/2024, 07:36

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General

Target
0ac0588afe48f990c4eeb4dadae2e9a0N.dll
Size 76KB
Sample240831-jfl1pssejp
SHA256 b678e196ce5da2fe3f2d6b8255f96d419ecd22baad1603f5ee42accc41a8ffc7
MD5 0ac0588afe48f990c4eeb4dadae2e9a0
SHA1 ad24b73c782091c3608fc69ae0e102e137e52369
SHA512 1161b48997d3de9e87b10b1c7f16e1f9afe34f08f66a2e2681c9fb734b3acb664d559c6f17e6e7d3ecc4b8339e0a04e45948376cc59b107532559eca85041f11
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z7L61QXS:c8y93KQjy7G55riF1cMo03JLfXS
MD5 SHA1 SHA512 SSDEEP

Score

7^/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/4836-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4836-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1296	4836	WerFault.exe	91

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	4836	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3924 wrote to memory of 4836	3924	rundll32.exe	91
PID 3924 wrote to memory of 4836	3924	rundll32.exe	91
PID 3924 wrote to memory of 4836	3924	rundll32.exe	91

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0ac0588afe48f990c4eeb4dadae2e9a0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3924
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0ac0588afe48f990c4eeb4dadae2e9a0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4836
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4836 -s 704
    3⤵
    - Program crash
    PID:1296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4836 -ip 4836
1⤵
PID:4016

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1296,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=4116 /prefetch:8
1⤵
PID:536

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

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Downloads

memory/4836-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/4836-1-0x0000000010000000-0x0000000010030000-memory.dmp