gozi | 40bbc905f9521a2892abf91df0ed1678caf43be3c05f2aaf4192707d84f94665

Analysis

max time kernel
146s
max time network
159s
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/processo.url
Size

208B
MD5

e98e3a495a146d3048f39c08706a0755
SHA1

ddcda25154570cd1fd9a0932dbb64d8768cac86a
SHA256

b4ff46c2f843a1f69b7ffae5efa6a1821bc6f8ebca5d52e91792f40bcc2933f0
SHA512

7b2ec42a75113277139763aa64fa288b2353a7a20423757dbd8136a75ac087ed0064620c4811a70acc0e5c1920fa5c056252de937430da65dde7124d16a8fc0c

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

14 2252 rundll32.exe
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

2252 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-1-5-21-2445638973-2158012892-84912826-1000_Classes\Local Settings rundll32.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

rundll32.exe

pid process

2076 rundll32.exe

flow	pid	process
14	2252	rundll32.exe

pid	process
2252	rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2445638973-2158012892-84912826-1000_Classes\Local Settings	rundll32.exe

pid	process
2076	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.execontrol.exerundll32.exe

description	pid	process	target process
PID 2076 wrote to memory of 1472	2076	rundll32.exe	control.exe
PID 2076 wrote to memory of 1472	2076	rundll32.exe	control.exe
PID 1472 wrote to memory of 4744	1472	control.exe	rundll32.exe
PID 1472 wrote to memory of 4744	1472	control.exe	rundll32.exe
PID 4744 wrote to memory of 2252	4744	rundll32.exe	rundll32.exe
PID 4744 wrote to memory of 2252	4744	rundll32.exe	rundll32.exe
PID 4744 wrote to memory of 2252	4744	rundll32.exe	rundll32.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
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Windows\System32\rundll32.exe
"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\url\processo.url
1⤵
- Modifies registry class
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2076

C:\Windows\System32\control.exe
"C:\Windows\System32\control.exe" "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9TVXN1W7\processo[1].cpl",
2⤵
- Suspicious use of WriteProcessMemory
PID:1472

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9TVXN1W7\processo[1].cpl",
3⤵
- Suspicious use of WriteProcessMemory
PID:4744

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\9TVXN1W7\processo[1].cpl",
4⤵
- Blocklisted process makes network request
- Loads dropped DLL
PID:2252

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9TVXN1W7\processo[1].cpl
Filesize
206KB

MD5
72e2a5c797954e895a41be5b20f867b2

SHA1
419aacfb3ccea9b08277bcc9405054fa4238a597

SHA256
858d867cc62c0bf13b16ccdb9f6cd6022d61fc2ab98a7db60806a35c7da9b2e0

SHA512
77be53cf579f69ee728fafbe93568b8d4c462490ba3fe053db367798508abb0d7a838731d17e465f0a29b982eb49e1227d94c971823e1d375b2b761887e107b3

Download Submit
\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9TVXN1W7\processo[1].cpl
Filesize
206KB

MD5
72e2a5c797954e895a41be5b20f867b2

SHA1
419aacfb3ccea9b08277bcc9405054fa4238a597

SHA256
858d867cc62c0bf13b16ccdb9f6cd6022d61fc2ab98a7db60806a35c7da9b2e0

SHA512
77be53cf579f69ee728fafbe93568b8d4c462490ba3fe053db367798508abb0d7a838731d17e465f0a29b982eb49e1227d94c971823e1d375b2b761887e107b3

Download Submit
memory/2252-6-0x0000000003250000-0x0000000003279000-memory.dmp

Filesize
164KB

Download
memory/2252-7-0x0000000003290000-0x000000000329E000-memory.dmp

Filesize
56KB

Download
memory/2252-8-0x0000000003590000-0x000000000359D000-memory.dmp

Filesize
52KB

Download
memory/2252-11-0x0000000003290000-0x000000000329E000-memory.dmp

Filesize
56KB

Download