bb43ab4efdc568377e8c21af005fadecdbdfea7a35cffc2a868a20b4349612aa

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
18/08/2024, 11:49

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General

Target

42c7bd1fa6cd872dcddfee0223c58720N.dll
Size

76KB
MD5

42c7bd1fa6cd872dcddfee0223c58720
SHA1

7671f71fbd8d94fa6f80fb71f26004dd8eaad1fb
SHA256

bb43ab4efdc568377e8c21af005fadecdbdfea7a35cffc2a868a20b4349612aa
SHA512

119175b3af24577d56a8b4064882242287078e5e708f3f372302a07bba9a5bab06f1f6ce8fd7d8fadb2822e6b2c60f0d84acc603aa71ed73836c93270a01c7f6
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZaGrRF:c8y93KQjy7G55riF1cMo03bF

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/4740-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4740-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2388	4740	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	4740	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 4740	2368	rundll32.exe	91
PID 2368 wrote to memory of 4740	2368	rundll32.exe	91
PID 2368 wrote to memory of 4740	2368	rundll32.exe	91

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\42c7bd1fa6cd872dcddfee0223c58720N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\42c7bd1fa6cd872dcddfee0223c58720N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4740
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4740 -s 712
    3⤵
    - Program crash
    PID:2388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4740 -ip 4740
1⤵
PID:3788

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=4340,i,8293235976513689021,7261015831736501466,262144 --variations-seed-version --mojo-platform-channel-handle=1904 /prefetch:8
1⤵
PID:4916

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/4740-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/4740-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download