gozi | 54663fd1d1312b20fb9ac3015ccf77ef094069c5719f5e0cdd71e8243a97a4c7

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-11-2024 08:02

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General

Target

36599208287637_182387937827.vbs
Size

2.0MB
MD5

38b6d2b8eb400e54a5382b3b4b028639
SHA1

feedae24f937be7be234d213461e50f91e985e68
SHA256

54663fd1d1312b20fb9ac3015ccf77ef094069c5719f5e0cdd71e8243a97a4c7
SHA512

413b3bbd3367b2d414aeba286303baaf96a3ee932a0f11b9b2e1b387ce62a41c1d1a4718f235a9b7894bdf408dbb95a284ce77b464614bb8c3f4fe29367b27eb
SSDEEP

49152:DfEgMVfAz54XC5ocIaev2kkjxeGsiqxfnrq4lxIeGa0KVt+1nZiLLHhyoU8:+

Score

10^/10

gozi 63 banker discovery isfb persistence trojan

Malware Config

Extracted

Family

gozi

Extracted

Family

gozi

Botnet

http://aaxvkah7dudzoloq.onion

http://cloud-start.at

http://mashallah.at

Attributes

build
217083
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

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	100	2944	regsvr32.exe	85

Loads dropped DLL 1 IoCs

pid	Process
4812	regsvr32.exe

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AddrProv = "rundll32 \"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Advapsvc\\DDOIintf.dll\",DllRegisterServer"	Explorer.EXE

Suspicious use of SetThreadContext 7 IoCs

description	pid	Process	procid_target
PID 4812 set thread context of 4128	4812	regsvr32.exe	92
PID 4128 set thread context of 3560	4128	control.exe	56
PID 4128 set thread context of 368	4128	control.exe	93
PID 3560 set thread context of 4048	3560	Explorer.EXE	60
PID 3560 set thread context of 3620	3560	Explorer.EXE	62
PID 3560 set thread context of 4644	3560	Explorer.EXE	64
PID 3560 set thread context of 3096	3560	Explorer.EXE	100

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4812	regsvr32.exe
4812	regsvr32.exe
3560	Explorer.EXE
3560	Explorer.EXE

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
4812	regsvr32.exe
4128	control.exe
4128	control.exe
3560	Explorer.EXE
3560	Explorer.EXE
3560	Explorer.EXE
3560	Explorer.EXE
3560	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3560	Explorer.EXE
Token: SeCreatePagefilePrivilege	3560	Explorer.EXE
Token: SeShutdownPrivilege	3560	Explorer.EXE
Token: SeCreatePagefilePrivilege	3560	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3956	WScript.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3560	Explorer.EXE

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 100 wrote to memory of 4812	100	regsvr32.exe	88
PID 100 wrote to memory of 4812	100	regsvr32.exe	88
PID 100 wrote to memory of 4812	100	regsvr32.exe	88
PID 4812 wrote to memory of 4128	4812	regsvr32.exe	92
PID 4812 wrote to memory of 4128	4812	regsvr32.exe	92
PID 4812 wrote to memory of 4128	4812	regsvr32.exe	92
PID 4812 wrote to memory of 4128	4812	regsvr32.exe	92
PID 4812 wrote to memory of 4128	4812	regsvr32.exe	92
PID 4128 wrote to memory of 3560	4128	control.exe	56
PID 4128 wrote to memory of 3560	4128	control.exe	56
PID 4128 wrote to memory of 3560	4128	control.exe	56
PID 3560 wrote to memory of 4048	3560	Explorer.EXE	60
PID 4128 wrote to memory of 368	4128	control.exe	93
PID 4128 wrote to memory of 368	4128	control.exe	93
PID 4128 wrote to memory of 368	4128	control.exe	93
PID 3560 wrote to memory of 4048	3560	Explorer.EXE	60
PID 3560 wrote to memory of 4048	3560	Explorer.EXE	60
PID 3560 wrote to memory of 3620	3560	Explorer.EXE	62
PID 3560 wrote to memory of 3620	3560	Explorer.EXE	62
PID 3560 wrote to memory of 3620	3560	Explorer.EXE	62
PID 3560 wrote to memory of 4644	3560	Explorer.EXE	64
PID 3560 wrote to memory of 4644	3560	Explorer.EXE	64
PID 3560 wrote to memory of 4644	3560	Explorer.EXE	64
PID 3560 wrote to memory of 1704	3560	Explorer.EXE	95
PID 3560 wrote to memory of 1704	3560	Explorer.EXE	95
PID 1704 wrote to memory of 3544	1704	cmd.exe	97
PID 1704 wrote to memory of 3544	1704	cmd.exe	97
PID 3560 wrote to memory of 5056	3560	Explorer.EXE	98
PID 3560 wrote to memory of 5056	3560	Explorer.EXE	98
PID 3560 wrote to memory of 3096	3560	Explorer.EXE	100
PID 3560 wrote to memory of 3096	3560	Explorer.EXE	100
PID 3560 wrote to memory of 3096	3560	Explorer.EXE	100
PID 3560 wrote to memory of 3096	3560	Explorer.EXE	100
PID 3560 wrote to memory of 3096	3560	Explorer.EXE	100
PID 3560 wrote to memory of 3096	3560	Explorer.EXE	100

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:3560
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\36599208287637_182387937827.vbs"
  2⤵
  - Suspicious use of FindShellTrayWindow
  PID:3956
- C:\Windows\system32\cmd.exe
  cmd /C "nslookup myip.opendns.com resolver1.opendns.com > C:\Users\Admin\AppData\Local\Temp\A589.bi1"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1704
- - C:\Windows\system32\nslookup.exe
    nslookup myip.opendns.com resolver1.opendns.com
    3⤵
    PID:3544
- C:\Windows\system32\cmd.exe
  cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\A589.bi1"
  2⤵
  PID:5056
- C:\Windows\syswow64\cmd.exe
  "C:\Windows\syswow64\cmd.exe" /C pause dll mail, ,
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3096

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4048

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3620

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4644

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe -s C:\Users\Admin\AppData\Local\Temp\larbYbcl.txt
1⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:100
- C:\Windows\SysWOW64\regsvr32.exe
  -s C:\Users\Admin\AppData\Local\Temp\larbYbcl.txt
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:4812
- - C:\Windows\system32\control.exe
    C:\Windows\system32\control.exe /?
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:4128
  - - C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL /?
      4⤵
      PID:368

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 Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\A589.bi1

Filesize
122B

MD5
4e722b4828cea8a135eb7a2bfd92ab01

SHA1
8e1abee672a878fd9c1d33e242502205d9b2da55

SHA256
c4d1feacbfb9ecd1a24e9b6d3e51fc7e9797da543d319f43ff0917db4c1e5e02

SHA512
88c0d6b07d45f906164b2c1178a938ffb56c4fa7288853a02f460339bca026fa58b26a37f52ea846bc205e1828f12f0361d1b0425a1106c8b1a947856d4ee4e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\larbYbcl.txt

Filesize
1.0MB

MD5
39587b18ca6dc5a9f91cb76ee3ee0b99

SHA1
2ca7ed111b008212d3ec8a63d8ef5a0c9d71d1b5

SHA256
05b508103f8f3d634d04cdfb0eaa52ca2be07638a6d23a749888029dc6d1fee5

SHA512
b856b6d3e93c11fd988e8d2663109f07cb66d58b1095861d6c8c496a2a4e7ae9ca5070bd40cc233b8e49cc1d30b666c9de3cf6b73311776c85ee36a6082184a3

Download Submit
C:\Users\Admin\AppData\Local\Temp\xYLpcOS.txt.zip

Filesize
702KB

MD5
2a7eb1adf21d776727a66bda5205c246

SHA1
538bf0c672575d56c9b1ccc1f0bcffa0ae84ed5a

SHA256
8ab9d7ae68a251448a32e68d0fc68204ab766f29d5f74ff43ec7e91ee9b4046b

SHA512
79d69104ced64a60b711a4f84e7a0ca596cfc67652eed5351e4a68e0ad36b1336fbafa71cfdb8af4660dfb1f00881f5526b50d7dc3fa1db21240f43881e70fa8

Download Submit
memory/368-64-0x000001D722950000-0x000001D722A08000-memory.dmp

Filesize
736KB

Download
memory/368-60-0x000001D722950000-0x000001D722A08000-memory.dmp

Filesize
736KB

Download
memory/368-65-0x000001D722950000-0x000001D722A08000-memory.dmp

Filesize
736KB

Download
memory/3096-95-0x0000000001210000-0x00000000012B8000-memory.dmp

Filesize
672KB

Download
memory/3560-79-0x0000000008AC0000-0x0000000008B78000-memory.dmp

Filesize
736KB

Download
memory/3560-90-0x0000000008AC0000-0x0000000008B78000-memory.dmp

Filesize
736KB

Download
memory/3560-98-0x0000000008AC0000-0x0000000008B78000-memory.dmp

Filesize
736KB

Download
memory/3560-47-0x0000000008AC0000-0x0000000008B78000-memory.dmp

Filesize
736KB

Download
memory/3560-56-0x0000000008AC0000-0x0000000008B78000-memory.dmp

Filesize
736KB

Download
memory/3560-58-0x0000000008AC0000-0x0000000008B78000-memory.dmp

Filesize
736KB

Download
memory/3560-92-0x0000000008AC0000-0x0000000008B78000-memory.dmp

Filesize
736KB

Download
memory/3560-94-0x0000000008AC0000-0x0000000008B78000-memory.dmp

Filesize
736KB

Download
memory/3560-93-0x0000000008AC0000-0x0000000008B78000-memory.dmp

Filesize
736KB

Download
memory/3560-84-0x0000000008AC0000-0x0000000008B78000-memory.dmp

Filesize
736KB

Download
memory/3560-55-0x0000000008AC0000-0x0000000008B78000-memory.dmp

Filesize
736KB

Download
memory/3560-54-0x0000000008AC0000-0x0000000008B78000-memory.dmp

Filesize
736KB

Download
memory/3560-53-0x0000000008AC0000-0x0000000008B78000-memory.dmp

Filesize
736KB

Download
memory/3560-89-0x0000000008AC0000-0x0000000008B78000-memory.dmp

Filesize
736KB

Download
memory/3560-57-0x0000000008AC0000-0x0000000008B78000-memory.dmp

Filesize
736KB

Download
memory/3620-73-0x00000253D3CB0000-0x00000253D3D68000-memory.dmp

Filesize
736KB

Download
memory/3620-77-0x00000253D3CB0000-0x00000253D3D68000-memory.dmp

Filesize
736KB

Download
memory/4048-68-0x0000021C61350000-0x0000021C61408000-memory.dmp

Filesize
736KB

Download
memory/4048-72-0x0000021C61350000-0x0000021C61408000-memory.dmp

Filesize
736KB

Download
memory/4128-41-0x0000000000800000-0x00000000008B8000-memory.dmp

Filesize
736KB

Download
memory/4128-66-0x0000000000800000-0x00000000008B8000-memory.dmp

Filesize
736KB

Download
memory/4128-48-0x0000000000800000-0x00000000008B8000-memory.dmp

Filesize
736KB

Download
memory/4644-83-0x000001F928E40000-0x000001F928EF8000-memory.dmp

Filesize
736KB

Download
memory/4644-78-0x000001F928E40000-0x000001F928EF8000-memory.dmp

Filesize
736KB

Download
memory/4812-25-0x0000000010000000-0x0000000010A12000-memory.dmp

Filesize
10.1MB

Download
memory/4812-27-0x0000000010000000-0x0000000010A12000-memory.dmp

Filesize
10.1MB

Download
memory/4812-26-0x00000000100E6000-0x00000000100EB000-memory.dmp

Filesize
20KB

Download
memory/4812-31-0x0000000001310000-0x000000000135E000-memory.dmp

Filesize
312KB

Download
memory/4812-38-0x0000000001310000-0x000000000135E000-memory.dmp

Filesize
312KB

Download
memory/4812-46-0x0000000010000000-0x0000000010A12000-memory.dmp

Filesize
10.1MB

Download
memory/4812-24-0x0000000010000000-0x0000000010A12000-memory.dmp

Filesize
10.1MB

Download