564ba6fcc511c27a19bf6d4de9dafb696f43f11071c452899ac8c71877d0e33b

Analysis

max time kernel
154s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19/03/2024, 20:21

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General

Target

564ba6fcc511c27a19bf6d4de9dafb696f43f11071c452899ac8c71877d0e33b.exe
Size

260KB
MD5

9408b0a8fd703847ad43ac6f6b2053f7
SHA1

bfa65b7d850ab03d2654784b8d1846665aa7f7bf
SHA256

564ba6fcc511c27a19bf6d4de9dafb696f43f11071c452899ac8c71877d0e33b
SHA512

d00e1de744fceef97388ff4f4eadf42cd547a069783cc98deb9ebd47b8a55159d6103b6a0a0f01993c4ddf9a6f0a9b35851ae62448962e6196188e32e43d4699
SSDEEP

6144:2Kp+kqKt7gZ3qTFbIyVWeU2xnbkytg2MBTR/rW:2Kp+k7dgVqRJVZxnIyi2MT9q

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral2/memory/5076-0-0x0000000000400000-0x000000000042D000-memory.dmp	UPX
behavioral2/files/0x0009000000023282-7.dat	UPX
behavioral2/memory/5076-9-0x0000000000400000-0x000000000042D000-memory.dmp	UPX
behavioral2/memory/3264-16-0x0000000000400000-0x000000000042D000-memory.dmp	UPX

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Executes dropped EXE 1 IoCs

pid	Process
3264	crdkdxb.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5076-0-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/files/0x0009000000023282-7.dat	upx
behavioral2/memory/5076-9-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/3264-16-0x0000000000400000-0x000000000042D000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\crdkdxb.exe	564ba6fcc511c27a19bf6d4de9dafb696f43f11071c452899ac8c71877d0e33b.exe
File created	C:\PROGRA~3\Mozilla\xczzoaa.dll	crdkdxb.exe

C:\Users\Admin\AppData\Local\Temp\564ba6fcc511c27a19bf6d4de9dafb696f43f11071c452899ac8c71877d0e33b.exe
"C:\Users\Admin\AppData\Local\Temp\564ba6fcc511c27a19bf6d4de9dafb696f43f11071c452899ac8c71877d0e33b.exe"
1⤵
- Drops file in Program Files directory
PID:5076

C:\PROGRA~3\Mozilla\crdkdxb.exe
C:\PROGRA~3\Mozilla\crdkdxb.exe -ofessij
1⤵
- Executes dropped EXE
- Drops file in Program Files directory
PID:3264

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=4476 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
1⤵
PID:2212

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

C:\ProgramData\Mozilla\crdkdxb.exe

Filesize
260KB

MD5
a67bfbbd51941f75ef6e172c81c696ed

SHA1
70414a4c0e351fb369c1eb270bf0e7ad7a363deb

SHA256
6e41a3504606c4d5f86df58788a8e7c3c456d2fa76621847c27554f2dbeffded

SHA512
bd9c3af96654e75b6f9d0d3f94e6b278629f8a0a3a213163902b7fd62c094d9753a10eacd818092508a9d51e2c55e21c357f82a32a7d01ac4c3d60b65a1db0e9

Download Submit
memory/3264-10-0x0000000000D10000-0x0000000000D6B000-memory.dmp

Filesize
364KB

Download
memory/3264-16-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/5076-0-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/5076-1-0x00000000021A0000-0x00000000021FB000-memory.dmp

Filesize
364KB

Download
memory/5076-9-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download