7aaf257fa8f11d4750fb97723a2f21263940ddcdbda2f87bc3eeb33801c22404

Analysis

max time kernel
44s
max time network
48s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
11/10/2022, 07:26

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General

Target

7aaf257fa8f11d4750fb97723a2f21263940ddcdbda2f87bc3eeb33801c22404.exe
Size

347KB
MD5

6c09efea0d7841517aedd6f887b19160
SHA1

b4961d7f03f3b4792673a21ec48c4c1d13e0743a
SHA256

7aaf257fa8f11d4750fb97723a2f21263940ddcdbda2f87bc3eeb33801c22404
SHA512

a2e436a28d59de2e550234973a0d298889572d106ca5383687c6a57589b945ae230d1745d34c7083d264827f6b2f7d32fcd865922a98fed73f6df83e3dfa3cc5
SSDEEP

6144:CDJVazMKV31FdaQvXluxqU+A/0y+nt75voqQEnHv0CxN8H9RJPz7Dhzt/Sac:CDJM/bXntAh+nhZoqQEHvVIzJPz//Dc

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
368	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	7aaf257fa8f11d4750fb97723a2f21263940ddcdbda2f87bc3eeb33801c22404.exe
File created	C:\PROGRA~3\Mozilla\segfnra.dll	jjruejn.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 980 wrote to memory of 368	980	taskeng.exe	27
PID 980 wrote to memory of 368	980	taskeng.exe	27
PID 980 wrote to memory of 368	980	taskeng.exe	27
PID 980 wrote to memory of 368	980	taskeng.exe	27

C:\Users\Admin\AppData\Local\Temp\7aaf257fa8f11d4750fb97723a2f21263940ddcdbda2f87bc3eeb33801c22404.exe
"C:\Users\Admin\AppData\Local\Temp\7aaf257fa8f11d4750fb97723a2f21263940ddcdbda2f87bc3eeb33801c22404.exe"
1⤵
- Drops file in Program Files directory
PID:2032

C:\Windows\system32\taskeng.exe
taskeng.exe {3116E96D-3DA9-4A2F-9D48-8057014C333D} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:980
- C:\PROGRA~3\Mozilla\jjruejn.exe
  C:\PROGRA~3\Mozilla\jjruejn.exe -npivonl
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:368

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
347KB

MD5
5386127d0d419b1eb5a10c8a756bf390

SHA1
d8b458ea521f1b91607d307dbbea4c3d8f661624

SHA256
479d06f0bb647f1a3f66649cf622b432271c90ead509b55a124c6d6d0fccb2ef

SHA512
e9efaee749ae73013c6ccc2d11607c53ccc049abdbe71d97eabf8d2a66caceb6c9f57902d7a914abe3bd1c299c55056254bc71f5bfdc3f994f28e3f5bff7f00a

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

Filesize
347KB

MD5
5386127d0d419b1eb5a10c8a756bf390

SHA1
d8b458ea521f1b91607d307dbbea4c3d8f661624

SHA256
479d06f0bb647f1a3f66649cf622b432271c90ead509b55a124c6d6d0fccb2ef

SHA512
e9efaee749ae73013c6ccc2d11607c53ccc049abdbe71d97eabf8d2a66caceb6c9f57902d7a914abe3bd1c299c55056254bc71f5bfdc3f994f28e3f5bff7f00a

Download Submit
memory/368-64-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2032-54-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2032-55-0x0000000075A71000-0x0000000075A73000-memory.dmp

Filesize
8KB

Download
memory/2032-56-0x0000000000220000-0x000000000027B000-memory.dmp

Filesize
364KB

Download