98e05eb0476bc619ee000a1c1c45d0f33c52080907585eae68528a7b29fcbefa

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14/06/2024, 01:41

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General

Target
98e05eb0476bc619ee000a1c1c45d0f33c52080907585eae68528a7b29fcbefa.dll
Size 76KB
Sample240614-b4degazgqa
SHA256 98e05eb0476bc619ee000a1c1c45d0f33c52080907585eae68528a7b29fcbefa
MD5 cd3888233af2653c3c44cdd763995f64
SHA1 d66c27d82a381dfca31b8c32a171166b35548a7c
SHA512 2d1b1c3b70c6dd3936c577c76272dbad80e87df72672eb82231c64136a66665eafc5d7b4619ede790badf419ffe9bec15499e2839428a28558b106c02568da4e
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZygrtlYd:c8y93KQjy7G55riF1cMo03Htlq
MD5 SHA1 SHA512 SSDEEP

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 2 IoCs

resource	yara_rule
behavioral2/memory/4748-0-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral2/memory/4748-1-0x0000000010000000-0x0000000010030000-memory.dmp	UPX

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4748-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4748-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1192	4748	WerFault.exe	90

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4748	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 824 wrote to memory of 4748	824	rundll32.exe	90
PID 824 wrote to memory of 4748	824	rundll32.exe	90
PID 824 wrote to memory of 4748	824	rundll32.exe	90

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\98e05eb0476bc619ee000a1c1c45d0f33c52080907585eae68528a7b29fcbefa.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:824
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\98e05eb0476bc619ee000a1c1c45d0f33c52080907585eae68528a7b29fcbefa.dll,#1
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4748
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4748 -s 692
    3⤵
    - Program crash
    PID:1192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4748 -ip 4748
1⤵
PID:1744

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 --no-appcompat-clear --mojo-platform-channel-handle=4104 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
1⤵
PID:2820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4748-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/4748-1-0x0000000010000000-0x0000000010030000-memory.dmp