gozi | 05e33f5e53db406bfa76e2bf569b1c21b4bffec3b90d1e8059963a2214d97e3c

Analysis

max time kernel
115s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2024, 22:42

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General

Target
05e33f5e53db406bfa76e2bf569b1c21b4bffec3b90d1e8059963a2214d97e3cN.dll
Size 971KB
Sample241219-2m13baskas
SHA256 05e33f5e53db406bfa76e2bf569b1c21b4bffec3b90d1e8059963a2214d97e3c
MD5 257a35e347e7f71dc1425ff153ec2510
SHA1 79a6d6e5ebc2d8357d3c3e4c0ac2bee55eea5fb2
SHA512 593399bdd9ec38f3c4b5c901243241bfb33885835cfd5e5f5a67d2052b0a4c67290dde0d42a0541234164857ec75bf6b63f6e1eeab076bed0e3b3b785a8f7c61
SSDEEP 24576:dGlkSyXOKByXVHmuUAQrFZ5J5EdG9UAGPatVWZ:oyeKByF5U9FZ5J5YatVWZ
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gozi 1000 banker discovery isfb persistence trojan

Malware Config

Extracted

Family

gozi

Extracted

Family

gozi

Botnet

1000

http://ey7kuuklgieop2pq.onion
http://shoshanna.at
http://maiamirainy.at

Attributes

build
217027
dga_base_url
constitution.org/usdeclar.txt
dga_crc
0x4eb7d2ca
dga_season
10
dga_tlds
com

ru

org
exe_type
worker
server_id
12

rsa_pubkey.plain

serpent.plain

Signatures

Gozi
Gozi is a well-known and widely distributed banking trojan.
banker trojan gozi
Gozi family
gozi

Unexpected DNS network traffic destination 3 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	208.67.222.222
Destination IP	208.67.222.222
Destination IP	208.67.222.222

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BOOTscui = "rundll32 \"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\BdeHxpps\\dxilerPS.dll\",DllRegisterServer"	Explorer.EXE

Suspicious use of SetThreadContext 7 IoCs

description	pid	Process	procid_target
PID 3024 set thread context of 4448	3024	rundll32.exe	90
PID 4448 set thread context of 3352	4448	control.exe	55
PID 3352 set thread context of 4004	3352	Explorer.EXE	60
PID 3352 set thread context of 4276	3352	Explorer.EXE	62
PID 3352 set thread context of 4576	3352	Explorer.EXE	64
PID 4448 set thread context of 2616	4448	control.exe	91
PID 3352 set thread context of 1512	3352	Explorer.EXE	99

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3024	rundll32.exe
3024	rundll32.exe
3352	Explorer.EXE
3352	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
3024	rundll32.exe
4448	control.exe
3352	Explorer.EXE
3352	Explorer.EXE
3352	Explorer.EXE
4448	control.exe
3352	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3352	Explorer.EXE
Token: SeCreatePagefilePrivilege	3352	Explorer.EXE
Token: SeShutdownPrivilege	3352	Explorer.EXE
Token: SeCreatePagefilePrivilege	3352	Explorer.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3352	Explorer.EXE

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 3024	2108	rundll32.exe	82
PID 2108 wrote to memory of 3024	2108	rundll32.exe	82
PID 2108 wrote to memory of 3024	2108	rundll32.exe	82
PID 3024 wrote to memory of 4448	3024	rundll32.exe	90
PID 3024 wrote to memory of 4448	3024	rundll32.exe	90
PID 3024 wrote to memory of 4448	3024	rundll32.exe	90
PID 3024 wrote to memory of 4448	3024	rundll32.exe	90
PID 3024 wrote to memory of 4448	3024	rundll32.exe	90
PID 4448 wrote to memory of 3352	4448	control.exe	55
PID 4448 wrote to memory of 3352	4448	control.exe	55
PID 4448 wrote to memory of 3352	4448	control.exe	55
PID 3352 wrote to memory of 4004	3352	Explorer.EXE	60
PID 3352 wrote to memory of 4004	3352	Explorer.EXE	60
PID 3352 wrote to memory of 4004	3352	Explorer.EXE	60
PID 3352 wrote to memory of 4276	3352	Explorer.EXE	62
PID 4448 wrote to memory of 2616	4448	control.exe	91
PID 4448 wrote to memory of 2616	4448	control.exe	91
PID 4448 wrote to memory of 2616	4448	control.exe	91
PID 3352 wrote to memory of 4276	3352	Explorer.EXE	62
PID 3352 wrote to memory of 4276	3352	Explorer.EXE	62
PID 3352 wrote to memory of 4576	3352	Explorer.EXE	64
PID 3352 wrote to memory of 4576	3352	Explorer.EXE	64
PID 3352 wrote to memory of 4576	3352	Explorer.EXE	64
PID 4448 wrote to memory of 2616	4448	control.exe	91
PID 4448 wrote to memory of 2616	4448	control.exe	91
PID 3352 wrote to memory of 1432	3352	Explorer.EXE	94
PID 3352 wrote to memory of 1432	3352	Explorer.EXE	94
PID 1432 wrote to memory of 432	1432	cmd.exe	96
PID 1432 wrote to memory of 432	1432	cmd.exe	96
PID 3352 wrote to memory of 3184	3352	Explorer.EXE	97
PID 3352 wrote to memory of 3184	3352	Explorer.EXE	97
PID 3352 wrote to memory of 1512	3352	Explorer.EXE	99
PID 3352 wrote to memory of 1512	3352	Explorer.EXE	99
PID 3352 wrote to memory of 1512	3352	Explorer.EXE	99
PID 3352 wrote to memory of 1512	3352	Explorer.EXE	99
PID 3352 wrote to memory of 1512	3352	Explorer.EXE	99
PID 3352 wrote to memory of 1512	3352	Explorer.EXE	99

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3352
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\05e33f5e53db406bfa76e2bf569b1c21b4bffec3b90d1e8059963a2214d97e3cN.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2108
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\05e33f5e53db406bfa76e2bf569b1c21b4bffec3b90d1e8059963a2214d97e3cN.dll,#1
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:3024
  - - C:\Windows\system32\control.exe
      C:\Windows\system32\control.exe /?
      4⤵
      Suspicious use of SetThreadContext
      Suspicious behavior: MapViewOfSection
      Suspicious use of WriteProcessMemory
      PID:4448
    - - C:\Windows\system32\rundll32.exe
        
        "C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL /?
        5⤵
        
        PID:2616
- C:\Windows\system32\cmd.exe
  cmd /C "nslookup myip.opendns.com resolver1.opendns.com > C:\Users\Admin\AppData\Local\Temp\ABD9.bi1"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1432
- - C:\Windows\system32\nslookup.exe
    nslookup myip.opendns.com resolver1.opendns.com
    3⤵
    PID:432
- C:\Windows\system32\cmd.exe
  cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\ABD9.bi1"
  2⤵
  PID:3184
- C:\Windows\syswow64\cmd.exe
  "C:\Windows\syswow64\cmd.exe" /C pause dll mail, ,
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1512

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4004

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4276

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4576

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

ABD9.bi1

Path C:\Users\Admin\AppData\Local\Temp\ABD9.bi1
Size 122B
SHA256 c4d1feacbfb9ecd1a24e9b6d3e51fc7e9797da543d319f43ff0917db4c1e5e02
MD5 4e722b4828cea8a135eb7a2bfd92ab01
SHA1 8e1abee672a878fd9c1d33e242502205d9b2da55
SHA512 88c0d6b07d45f906164b2c1178a938ffb56c4fa7288853a02f460339bca026fa58b26a37f52ea846bc205e1828f12f0361d1b0425a1106c8b1a947856d4ee4e4
MD5 SHA1 SHA512

Submit Download

memory/1512-81-0x0000000001450000-0x00000000014F4000-memory.dmp

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memory/2616-66-0x0000027931E40000-0x0000027931EF1000-memory.dmp

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memory/2616-62-0x0000027931E40000-0x0000027931EF1000-memory.dmp

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memory/2616-67-0x0000027931E40000-0x0000027931EF1000-memory.dmp

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memory/3024-3-0x0000000074F10000-0x0000000075916000-memory.dmp

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memory/3024-14-0x0000000002B50000-0x0000000002B9A000-memory.dmp

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memory/3024-7-0x0000000002B50000-0x0000000002B9A000-memory.dmp

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memory/3024-4-0x0000000074F10000-0x0000000075916000-memory.dmp

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memory/3024-2-0x0000000074FFB000-0x0000000075001000-memory.dmp

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memory/3024-1-0x0000000074F10000-0x0000000075916000-memory.dmp

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memory/3024-0-0x0000000074F10000-0x0000000075916000-memory.dmp

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memory/3024-24-0x0000000074F10000-0x0000000075916000-memory.dmp

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memory/3352-32-0x00000000029F0000-0x0000000002AA1000-memory.dmp

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memory/3352-26-0x00000000029F0000-0x0000000002AA1000-memory.dmp

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memory/3352-36-0x00000000029F0000-0x0000000002AA1000-memory.dmp

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memory/3352-35-0x00000000029F0000-0x0000000002AA1000-memory.dmp

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memory/3352-33-0x00000000029F0000-0x0000000002AA1000-memory.dmp

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memory/3352-84-0x00000000029F0000-0x0000000002AA1000-memory.dmp

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memory/3352-34-0x00000000029F0000-0x0000000002AA1000-memory.dmp

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memory/3352-80-0x00000000029F0000-0x0000000002AA1000-memory.dmp

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memory/3352-40-0x00000000029F0000-0x0000000002AA1000-memory.dmp

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memory/3352-79-0x00000000029F0000-0x0000000002AA1000-memory.dmp

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memory/3352-78-0x00000000029F0000-0x0000000002AA1000-memory.dmp

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memory/3352-71-0x00000000029F0000-0x0000000002AA1000-memory.dmp

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memory/3352-55-0x00000000029F0000-0x0000000002AA1000-memory.dmp

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memory/3352-39-0x0000000002150000-0x0000000002151000-memory.dmp

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memory/3352-37-0x00000000029F0000-0x0000000002AA1000-memory.dmp

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memory/4004-72-0x000001BAE6290000-0x000001BAE6341000-memory.dmp

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memory/4004-41-0x000001BAE6290000-0x000001BAE6341000-memory.dmp

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memory/4004-47-0x000001BAE6290000-0x000001BAE6341000-memory.dmp

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memory/4004-46-0x000001BAE6350000-0x000001BAE6351000-memory.dmp

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memory/4276-54-0x0000029CE1D20000-0x0000029CE1DD1000-memory.dmp

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memory/4276-73-0x0000029CE1D20000-0x0000029CE1DD1000-memory.dmp

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memory/4276-48-0x0000029CE1D20000-0x0000029CE1DD1000-memory.dmp

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memory/4276-53-0x0000029CE1CE0000-0x0000029CE1CE1000-memory.dmp

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memory/4448-25-0x0000000000340000-0x00000000003F1000-memory.dmp

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memory/4448-70-0x0000000000340000-0x00000000003F1000-memory.dmp

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memory/4448-22-0x0000000000400000-0x0000000000401000-memory.dmp

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memory/4448-17-0x0000000000340000-0x00000000003F1000-memory.dmp

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memory/4448-30-0x0000000000340000-0x00000000003F1000-memory.dmp

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memory/4576-60-0x000001F0EE6D0000-0x000001F0EE781000-memory.dmp

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memory/4576-56-0x000001F0EE6D0000-0x000001F0EE781000-memory.dmp

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