2568898d4cd68b9e7854a1c043f8768692d77856497ed6ebb99f634379a1e8b1

Analysis

max time kernel
45s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
04/10/2022, 02:24

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General

Target

2568898d4cd68b9e7854a1c043f8768692d77856497ed6ebb99f634379a1e8b1.exe
Size

299KB
MD5

329618972014745b99ad74bab7778070
SHA1

cc3f71e0b6cc513d86e0ec2c9087a7eea218785f
SHA256

2568898d4cd68b9e7854a1c043f8768692d77856497ed6ebb99f634379a1e8b1
SHA512

43dbffe80e7bbcb35d15750e838474edaf1a48b85a5bb3e028188e2e33c5b09900a83aa8fc9ea65c8c76b923e4b87d38f8facdd51bc35e2a961d4d9390325056
SSDEEP

6144:Pb41nDY6RZ+Pl9Mx0BeY6LCMXRdveOqvQ2w9Z5xntrGtccw:P8dZ6Mx0UYRMXDveDQ2+tcw

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
296	jjruejn.exe

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\jjruejn.exe	2568898d4cd68b9e7854a1c043f8768692d77856497ed6ebb99f634379a1e8b1.exe
File created	C:\PROGRA~3\Mozilla\segfnra.dll	jjruejn.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1312 wrote to memory of 296	1312	taskeng.exe	28
PID 1312 wrote to memory of 296	1312	taskeng.exe	28
PID 1312 wrote to memory of 296	1312	taskeng.exe	28
PID 1312 wrote to memory of 296	1312	taskeng.exe	28

C:\Users\Admin\AppData\Local\Temp\2568898d4cd68b9e7854a1c043f8768692d77856497ed6ebb99f634379a1e8b1.exe
"C:\Users\Admin\AppData\Local\Temp\2568898d4cd68b9e7854a1c043f8768692d77856497ed6ebb99f634379a1e8b1.exe"
1⤵
- Drops file in Program Files directory
PID:1468

C:\Windows\system32\taskeng.exe
taskeng.exe {56019283-6A09-4C33-82F5-9620522016AA} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1312
- C:\PROGRA~3\Mozilla\jjruejn.exe
  C:\PROGRA~3\Mozilla\jjruejn.exe -npivonl
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:296

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\PROGRA~3\Mozilla\jjruejn.exe

Filesize
299KB

MD5
833fcce0630c8ad7a06255b743d5933c

SHA1
687b24dc6682b18deddd5e574c632a2033edc2fc

SHA256
a0dc9c1e4d38d5d63f55cd182c158c3249a4efaafe8d01c156525fd47b36ed17

SHA512
256c797c3dd8be93facc824c7fadaf9b49d53b50a3567af883d2b473f64a3109858f3d306172c3a19f364719c4471667b3f537b38e7df0ee9ee02621b5731ea6

Download Submit
C:\PROGRA~3\Mozilla\jjruejn.exe

Filesize
299KB

MD5
833fcce0630c8ad7a06255b743d5933c

SHA1
687b24dc6682b18deddd5e574c632a2033edc2fc

SHA256
a0dc9c1e4d38d5d63f55cd182c158c3249a4efaafe8d01c156525fd47b36ed17

SHA512
256c797c3dd8be93facc824c7fadaf9b49d53b50a3567af883d2b473f64a3109858f3d306172c3a19f364719c4471667b3f537b38e7df0ee9ee02621b5731ea6

Download Submit
memory/296-64-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/296-68-0x000000000043A000-0x000000000047D000-memory.dmp

Filesize
268KB

Download
memory/296-69-0x0000000000430000-0x000000000048B000-memory.dmp

Filesize
364KB

Download
memory/1468-54-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1468-55-0x0000000076BA1000-0x0000000076BA3000-memory.dmp

Filesize
8KB

Download
memory/1468-56-0x00000000001B0000-0x000000000020B000-memory.dmp

Filesize
364KB

Download