gozi | 54663fd1d1312b20fb9ac3015ccf77ef094069c5719f5e0cdd71e8243a97a4c7

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-11-2024 02:30

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General

Target

54663fd1d1312b20fb9ac3015ccf77ef094069c5719f5e0cdd71e8243a97a4c7.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	2724	2652	regsvr32.exe	28

Loads dropped DLL 1 IoCs

pid	Process
2632	regsvr32.exe

Unexpected DNS network traffic destination 5 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
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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\d3d8roxy = "rundll32 \"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Defrdler\\datadMgr.dll\",DllRegisterServer"	Explorer.EXE

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2632 set thread context of 476	2632	regsvr32.exe	31
PID 476 set thread context of 1176	476	control.exe	21
PID 476 set thread context of 2668	476	control.exe	32
PID 1176 set thread context of 748	1176	Explorer.EXE	40

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2632	regsvr32.exe
1176	Explorer.EXE

Suspicious behavior: MapViewOfSection 4 IoCs

pid	Process
2632	regsvr32.exe
476	control.exe
476	control.exe
1176	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2792	WScript.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1176	Explorer.EXE

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 2724 wrote to memory of 2632	2724	regsvr32.exe	30
PID 2724 wrote to memory of 2632	2724	regsvr32.exe	30
PID 2724 wrote to memory of 2632	2724	regsvr32.exe	30
PID 2724 wrote to memory of 2632	2724	regsvr32.exe	30
PID 2724 wrote to memory of 2632	2724	regsvr32.exe	30
PID 2724 wrote to memory of 2632	2724	regsvr32.exe	30
PID 2724 wrote to memory of 2632	2724	regsvr32.exe	30
PID 2632 wrote to memory of 476	2632	regsvr32.exe	31
PID 2632 wrote to memory of 476	2632	regsvr32.exe	31
PID 2632 wrote to memory of 476	2632	regsvr32.exe	31
PID 2632 wrote to memory of 476	2632	regsvr32.exe	31
PID 2632 wrote to memory of 476	2632	regsvr32.exe	31
PID 2632 wrote to memory of 476	2632	regsvr32.exe	31
PID 2632 wrote to memory of 476	2632	regsvr32.exe	31
PID 476 wrote to memory of 1176	476	control.exe	21
PID 476 wrote to memory of 1176	476	control.exe	21
PID 476 wrote to memory of 1176	476	control.exe	21
PID 476 wrote to memory of 2668	476	control.exe	32
PID 476 wrote to memory of 2668	476	control.exe	32
PID 476 wrote to memory of 2668	476	control.exe	32
PID 476 wrote to memory of 2668	476	control.exe	32
PID 1176 wrote to memory of 2684	1176	Explorer.EXE	35
PID 1176 wrote to memory of 2684	1176	Explorer.EXE	35
PID 1176 wrote to memory of 2684	1176	Explorer.EXE	35
PID 2684 wrote to memory of 2676	2684	cmd.exe	37
PID 2684 wrote to memory of 2676	2684	cmd.exe	37
PID 2684 wrote to memory of 2676	2684	cmd.exe	37
PID 1176 wrote to memory of 2160	1176	Explorer.EXE	38
PID 1176 wrote to memory of 2160	1176	Explorer.EXE	38
PID 1176 wrote to memory of 2160	1176	Explorer.EXE	38
PID 1176 wrote to memory of 748	1176	Explorer.EXE	40
PID 1176 wrote to memory of 748	1176	Explorer.EXE	40
PID 1176 wrote to memory of 748	1176	Explorer.EXE	40
PID 1176 wrote to memory of 748	1176	Explorer.EXE	40
PID 1176 wrote to memory of 748	1176	Explorer.EXE	40
PID 1176 wrote to memory of 748	1176	Explorer.EXE	40
PID 1176 wrote to memory of 748	1176	Explorer.EXE	40

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

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 SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1176
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\54663fd1d1312b20fb9ac3015ccf77ef094069c5719f5e0cdd71e8243a97a4c7.vbs"
  2⤵
  - Suspicious use of FindShellTrayWindow
  PID:2792
- C:\Windows\system32\cmd.exe
  cmd /C "nslookup myip.opendns.com resolver1.opendns.com > C:\Users\Admin\AppData\Local\Temp\3BAC.bi1"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2684
- - C:\Windows\system32\nslookup.exe
    nslookup myip.opendns.com resolver1.opendns.com
    3⤵
    PID:2676
- C:\Windows\system32\cmd.exe
  cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\3BAC.bi1"
  2⤵
  PID:2160
- C:\Windows\syswow64\cmd.exe
  "C:\Windows\syswow64\cmd.exe" /C pause dll mail, ,
  2⤵
  - System Location Discovery: System Language Discovery
  PID:748

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:2724
- 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:2632
- - C:\Windows\system32\control.exe
    C:\Windows\system32\control.exe /?
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:476
  - - C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL /?
      4⤵
      PID:2668

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\3BAC.bi1

Filesize
226B

MD5
c1e231e492903d5334746421e2e9ab57

SHA1
7e46cee5d34ccd0a0e41f98681839afe1ae4d84d

SHA256
2596c3941a3d630ace8dcf1064541e16eac2b20409744e53d255669c2d5fc3d6

SHA512
e2dfa27413eae2c5e1ce0327d2c1f161bb252c90ba4302ec421027a4c4c6370877742476585a85eba6c23de8f5f5d316cab31e2639904d7c66aee2157c5548c9

Download Submit
C:\Users\Admin\AppData\Local\Temp\XYLPCO~1.ZIP

Filesize
702KB

MD5
2a7eb1adf21d776727a66bda5205c246

SHA1
538bf0c672575d56c9b1ccc1f0bcffa0ae84ed5a

SHA256
8ab9d7ae68a251448a32e68d0fc68204ab766f29d5f74ff43ec7e91ee9b4046b

SHA512
79d69104ced64a60b711a4f84e7a0ca596cfc67652eed5351e4a68e0ad36b1336fbafa71cfdb8af4660dfb1f00881f5526b50d7dc3fa1db21240f43881e70fa8

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

Filesize
1.0MB

MD5
39587b18ca6dc5a9f91cb76ee3ee0b99

SHA1
2ca7ed111b008212d3ec8a63d8ef5a0c9d71d1b5

SHA256
05b508103f8f3d634d04cdfb0eaa52ca2be07638a6d23a749888029dc6d1fee5

SHA512
b856b6d3e93c11fd988e8d2663109f07cb66d58b1095861d6c8c496a2a4e7ae9ca5070bd40cc233b8e49cc1d30b666c9de3cf6b73311776c85ee36a6082184a3

Download Submit
memory/476-38-0x000007FFFFFDC000-0x000007FFFFFDD000-memory.dmp

Filesize
4KB

Download
memory/476-66-0x0000000001C00000-0x0000000001CB8000-memory.dmp

Filesize
736KB

Download
memory/476-46-0x0000000001C00000-0x0000000001CB8000-memory.dmp

Filesize
736KB

Download
memory/476-39-0x0000000001C00000-0x0000000001CB8000-memory.dmp

Filesize
736KB

Download
memory/748-76-0x00000000001B0000-0x0000000000258000-memory.dmp

Filesize
672KB

Download
memory/1176-45-0x00000000043B0000-0x0000000004468000-memory.dmp

Filesize
736KB

Download
memory/1176-74-0x00000000043B0000-0x0000000004468000-memory.dmp

Filesize
736KB

Download
memory/1176-81-0x00000000043B0000-0x0000000004468000-memory.dmp

Filesize
736KB

Download
memory/1176-80-0x00000000043B0000-0x0000000004468000-memory.dmp

Filesize
736KB

Download
memory/1176-79-0x00000000043B0000-0x0000000004468000-memory.dmp

Filesize
736KB

Download
memory/1176-59-0x00000000043B0000-0x0000000004468000-memory.dmp

Filesize
736KB

Download
memory/1176-56-0x00000000043B0000-0x0000000004468000-memory.dmp

Filesize
736KB

Download
memory/1176-55-0x00000000043B0000-0x0000000004468000-memory.dmp

Filesize
736KB

Download
memory/1176-54-0x00000000043B0000-0x0000000004468000-memory.dmp

Filesize
736KB

Download
memory/1176-75-0x00000000043B0000-0x0000000004468000-memory.dmp

Filesize
736KB

Download
memory/1176-73-0x00000000043B0000-0x0000000004468000-memory.dmp

Filesize
736KB

Download
memory/1176-53-0x00000000043B0000-0x0000000004468000-memory.dmp

Filesize
736KB

Download
memory/1176-68-0x00000000043B0000-0x0000000004468000-memory.dmp

Filesize
736KB

Download
memory/1176-51-0x00000000043B0000-0x0000000004468000-memory.dmp

Filesize
736KB

Download
memory/1176-52-0x00000000043B0000-0x0000000004468000-memory.dmp

Filesize
736KB

Download
memory/2632-27-0x00000000100E6000-0x00000000100EB000-memory.dmp

Filesize
20KB

Download
memory/2632-26-0x0000000010000000-0x0000000010A12000-memory.dmp

Filesize
10.1MB

Download
memory/2632-25-0x0000000010000000-0x0000000010A12000-memory.dmp

Filesize
10.1MB

Download
memory/2632-37-0x0000000010000000-0x0000000010A12000-memory.dmp

Filesize
10.1MB

Download
memory/2632-28-0x0000000000240000-0x000000000028E000-memory.dmp

Filesize
312KB

Download
memory/2632-35-0x0000000000240000-0x000000000028E000-memory.dmp

Filesize
312KB

Download
memory/2632-44-0x0000000010000000-0x0000000010A12000-memory.dmp

Filesize
10.1MB

Download
memory/2668-65-0x0000000000170000-0x0000000000228000-memory.dmp

Filesize
736KB

Download
memory/2668-64-0x0000000000170000-0x0000000000228000-memory.dmp

Filesize
736KB

Download
memory/2668-60-0x0000000000170000-0x0000000000228000-memory.dmp

Filesize
736KB

Download
memory/2792-9-0x0000000001FF0000-0x0000000001FF1000-memory.dmp

Filesize
4KB

Download