3b900a71f21164ee37d652a9f697ac2131bd931afa4f36e0fabc976399340dee

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
15-10-2023 19:48

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

e363f77cabd6bc46552e597ee531fd10_exe32.exe
Size

249KB
MD5

e363f77cabd6bc46552e597ee531fd10
SHA1

8cf70557214afbe8f122a5aa2f28fd5eafcd9674
SHA256

3b900a71f21164ee37d652a9f697ac2131bd931afa4f36e0fabc976399340dee
SHA512

e4282064e13bf084c19cdbacc41d113a05b6fad4e5084b70ffb319731b58b0df3a3f49b5113c159bdc6548d633ac502077a8c6eae5ac68d2638b2870a5891c6c
SSDEEP

6144:7sZJCstu4PJg5/Ly0d8YaDRVHTVtSbGqJL:Yy5zyNYaHHDSb

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
2652	aaacbzj.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\aaacbzj.exe	e363f77cabd6bc46552e597ee531fd10_exe32.exe
File created	C:\PROGRA~3\Mozilla\epqxpia.dll	aaacbzj.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2232	e363f77cabd6bc46552e597ee531fd10_exe32.exe
2652	aaacbzj.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1464 wrote to memory of 2652	1464	taskeng.exe	29
PID 1464 wrote to memory of 2652	1464	taskeng.exe	29
PID 1464 wrote to memory of 2652	1464	taskeng.exe	29
PID 1464 wrote to memory of 2652	1464	taskeng.exe	29

C:\Users\Admin\AppData\Local\Temp\e363f77cabd6bc46552e597ee531fd10_exe32.exe
"C:\Users\Admin\AppData\Local\Temp\e363f77cabd6bc46552e597ee531fd10_exe32.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of UnmapMainImage
PID:2232

C:\Windows\system32\taskeng.exe
taskeng.exe {66730856-56C2-468E-AB6D-DECADDF87CEE} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1464
- C:\PROGRA~3\Mozilla\aaacbzj.exe
  C:\PROGRA~3\Mozilla\aaacbzj.exe -uzlnuvg
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of UnmapMainImage
  PID:2652

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

Loading Replay Monitor...

Downloads

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

Filesize
249KB

MD5
237aef5cca33ed8d2c13898755ef3c11

SHA1
f1dec6a496c16f438a6ef16faf3cc1f54e2fde25

SHA256
29786fca66473dcc3715d63f04af13829011839a40dff72977f37eeb86cd05a4

SHA512
d88a3aaf54bd318288795bb73eb0b71dd93b629b9b38f3903479079bf2c6281b9c1573a62fba17fd6f337d77eb2521a01c1f73909c68185d6daa8ab4afc365bb

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

Filesize
249KB

MD5
237aef5cca33ed8d2c13898755ef3c11

SHA1
f1dec6a496c16f438a6ef16faf3cc1f54e2fde25

SHA256
29786fca66473dcc3715d63f04af13829011839a40dff72977f37eeb86cd05a4

SHA512
d88a3aaf54bd318288795bb73eb0b71dd93b629b9b38f3903479079bf2c6281b9c1573a62fba17fd6f337d77eb2521a01c1f73909c68185d6daa8ab4afc365bb

Download Submit
memory/2232-0-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2232-1-0x00000000002F0000-0x000000000034C000-memory.dmp

Filesize
368KB

Download
memory/2232-2-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2232-4-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2232-5-0x00000000002F0000-0x000000000034C000-memory.dmp

Filesize
368KB

Download
memory/2652-8-0x0000000000460000-0x00000000004BC000-memory.dmp

Filesize
368KB

Download
memory/2652-9-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2652-11-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2652-12-0x0000000000460000-0x00000000004BC000-memory.dmp

Filesize
368KB

Download