cf5f03e406c6ba42b029f446ba64a748259367b2ad55a4ea13d35a33f7cedd83

Analysis

max time kernel
115s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22/08/2024, 13:12

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General

Target
3379c07b8a1b17edd1ae8bb86afc9430N.dll
Size 76KB
Sample240822-qff8saydrc
SHA256 cf5f03e406c6ba42b029f446ba64a748259367b2ad55a4ea13d35a33f7cedd83
MD5 3379c07b8a1b17edd1ae8bb86afc9430
SHA1 7ab329b0ff93b7318981a4f9da10e192946db0ba
SHA512 21140dd595d99a17202aaa7ac54d96ec09d9be3d8003f7de50d176b80e80c5aa468928c5cfc0823bb1efddee4c0b897198ad5c10bff8e0608eb8bec35deaf12e
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZY+pBwmi:c8y93KQjy7G55riF1cMo03H7xi
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/3224-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3224-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1784	3224	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	3224	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4036 wrote to memory of 3224	4036	rundll32.exe	91
PID 4036 wrote to memory of 3224	4036	rundll32.exe	91
PID 4036 wrote to memory of 3224	4036	rundll32.exe	91

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3379c07b8a1b17edd1ae8bb86afc9430N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4036
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3379c07b8a1b17edd1ae8bb86afc9430N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3224
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 712
    3⤵
    - Program crash
    PID:1784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3224 -ip 3224
1⤵
PID:1116

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=4216,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=4076 /prefetch:8
1⤵
PID:3192

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/3224-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/3224-2-0x0000000010000000-0x0000000010030000-memory.dmp