f6bf466d224b658138153712a2664da422001f73899be19029749f47882b71b1

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
24/04/2024, 22:39

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General

Target

f6bf466d224b658138153712a2664da422001f73899be19029749f47882b71b1.exe
Size

449KB
MD5

019b71302da43e3128ad129ba020c5f0
SHA1

7ff09e9fabeb99a176423c890858a72d0777d7ec
SHA256

f6bf466d224b658138153712a2664da422001f73899be19029749f47882b71b1
SHA512

e76cc57c0259d7e793b5bf275d22b80b7260695fd503bc3a7edf40f5dfdfab152bb7329ed19d58a19f4db5e1d953ef23251622f2a237d25c35cfcb7eaf2c564c
SSDEEP

12288:4Ve/v5hGCyB3R20YnzgNJaeD9oBAS2b31V4o0wNu:4VgBi3dY4JX9qM3H8iu

Score

8^/10

persistence

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Executes dropped EXE 1 IoCs

pid	Process
2708	anhxrcb.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\anhxrcb.exe	f6bf466d224b658138153712a2664da422001f73899be19029749f47882b71b1.exe
File created	C:\PROGRA~3\Mozilla\fqurfhn.dll	anhxrcb.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1196 wrote to memory of 2708	1196	taskeng.exe	29
PID 1196 wrote to memory of 2708	1196	taskeng.exe	29
PID 1196 wrote to memory of 2708	1196	taskeng.exe	29
PID 1196 wrote to memory of 2708	1196	taskeng.exe	29

C:\Users\Admin\AppData\Local\Temp\f6bf466d224b658138153712a2664da422001f73899be19029749f47882b71b1.exe
"C:\Users\Admin\AppData\Local\Temp\f6bf466d224b658138153712a2664da422001f73899be19029749f47882b71b1.exe"
1⤵
- Drops file in Program Files directory
PID:3048

C:\Windows\system32\taskeng.exe
taskeng.exe {94ADDEC0-29E0-4AD9-892C-DCBB4B531C8D} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1196
- C:\PROGRA~3\Mozilla\anhxrcb.exe
  C:\PROGRA~3\Mozilla\anhxrcb.exe -wxojhrj
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:2708

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:\PROGRA~3\Mozilla\anhxrcb.exe

Filesize
449KB

MD5
4916ade5c9674b48ed9ce40cf2d3feff

SHA1
28c49fff0191fc3e385a320267d73b4f60ccf245

SHA256
f1a1fa25647f32fc65d1cf1c5239c9d5efb2bccf1d9ed095821b71412f9019f3

SHA512
ecacfc5f234fa5ef871bc022ea5ba48d2274b51c274441972e1e6fc5abdc059e1b07ff8196deb8e9c024d52fb15da51a3d7b79a16f694069e93ccf867f4fd893

Download Submit
memory/2708-10-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2708-11-0x0000000000430000-0x000000000048B000-memory.dmp

Filesize
364KB

Download
memory/3048-0-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/3048-1-0x00000000002B0000-0x000000000030B000-memory.dmp

Filesize
364KB

Download
memory/3048-7-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download