gozi_ifsb | 5b3f58a5ad9ff0c0a11055d34a08ec2a046144c82f88f1e2735f794402705c80

General

Target

5b3f58a5ad9ff0c0a11055d34a08ec2a046144c82f88f1e2735f794402705c80.exe
Size

361KB
MD5

64139ece03d78520b9dae8d1313da69e
SHA1

45e19e267688c8472ce882afe93becb043b718d1
SHA256

5b3f58a5ad9ff0c0a11055d34a08ec2a046144c82f88f1e2735f794402705c80
SHA512

2daa3467bb5bb3af17f94503946eab4f07e8a7e09906ed54d843aa80ae90ced32d574b08b7c1ee78c56d3a7a950799cafa9705d1c39df3e9888865a004db7b84

Score

10^/10

gozi_ifsb 1010 banker persistence trojan

Malware Config

Extracted

Family

gozi_ifsb

Botnet

1010

C2

diuolirt.at

deopliazae.at

nifredao.com

filokiyurt.at

Attributes

exe_type
worker
server_id
12

rsa_pubkey.plain

serpent.plain

Signatures

Gozi, Gozi IFSB
Gozi ISFB is a well-known and widely distributed banking trojan.
banker trojan gozi_ifsb
Executes dropped EXE 1 IoCs

Processes:

ctl3an32.exe

pid process

1820 ctl3an32.exe
Deletes itself 1 IoCs

Processes:

ctl3an32.exe

pid process

1820 ctl3an32.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

1636 cmd.exe

pid	process
1820	ctl3an32.exe

pid	process
1820	ctl3an32.exe

pid	process
1636	cmd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

5b3f58a5ad9ff0c0a11055d34a08ec2a046144c82f88f1e2735f794402705c80.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\Software\Microsoft\Windows\CurrentVersion\Run\certLSys = "C:\\Users\\Admin\\AppData\\Roaming\\bidiprop\\ctl3an32.exe"	5b3f58a5ad9ff0c0a11055d34a08ec2a046144c82f88f1e2735f794402705c80.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

ctl3an32.exesvchost.exe

description	pid	process	target process
PID 1820 set thread context of 1640	1820	ctl3an32.exe	svchost.exe
PID 1640 set thread context of 1260	1640	svchost.exe	Explorer.EXE

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

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

ctl3an32.exeExplorer.EXE

pid process

1820 ctl3an32.exe
1260 Explorer.EXE
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

ctl3an32.exesvchost.exe

pid process

1820 ctl3an32.exe
1640 svchost.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1260 Explorer.EXE
1260 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1260 Explorer.EXE
1260 Explorer.EXE
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Explorer.EXE

pid process

1260 Explorer.EXE

pid	process
1820	ctl3an32.exe
1260	Explorer.EXE

pid	process
1820	ctl3an32.exe
1640	svchost.exe

pid	process
1260	Explorer.EXE
1260	Explorer.EXE

pid	process
1260	Explorer.EXE
1260	Explorer.EXE

pid	process
1260	Explorer.EXE

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

5b3f58a5ad9ff0c0a11055d34a08ec2a046144c82f88f1e2735f794402705c80.execmd.execmd.exectl3an32.exesvchost.exe

description	pid	process	target process
PID 1776 wrote to memory of 1740	1776	5b3f58a5ad9ff0c0a11055d34a08ec2a046144c82f88f1e2735f794402705c80.exe	cmd.exe
PID 1776 wrote to memory of 1740	1776	5b3f58a5ad9ff0c0a11055d34a08ec2a046144c82f88f1e2735f794402705c80.exe	cmd.exe
PID 1776 wrote to memory of 1740	1776	5b3f58a5ad9ff0c0a11055d34a08ec2a046144c82f88f1e2735f794402705c80.exe	cmd.exe
PID 1776 wrote to memory of 1740	1776	5b3f58a5ad9ff0c0a11055d34a08ec2a046144c82f88f1e2735f794402705c80.exe	cmd.exe
PID 1740 wrote to memory of 1636	1740	cmd.exe	cmd.exe
PID 1740 wrote to memory of 1636	1740	cmd.exe	cmd.exe
PID 1740 wrote to memory of 1636	1740	cmd.exe	cmd.exe
PID 1740 wrote to memory of 1636	1740	cmd.exe	cmd.exe
PID 1636 wrote to memory of 1820	1636	cmd.exe	ctl3an32.exe
PID 1636 wrote to memory of 1820	1636	cmd.exe	ctl3an32.exe
PID 1636 wrote to memory of 1820	1636	cmd.exe	ctl3an32.exe
PID 1636 wrote to memory of 1820	1636	cmd.exe	ctl3an32.exe
PID 1820 wrote to memory of 1640	1820	ctl3an32.exe	svchost.exe
PID 1820 wrote to memory of 1640	1820	ctl3an32.exe	svchost.exe
PID 1820 wrote to memory of 1640	1820	ctl3an32.exe	svchost.exe
PID 1820 wrote to memory of 1640	1820	ctl3an32.exe	svchost.exe
PID 1820 wrote to memory of 1640	1820	ctl3an32.exe	svchost.exe
PID 1820 wrote to memory of 1640	1820	ctl3an32.exe	svchost.exe
PID 1820 wrote to memory of 1640	1820	ctl3an32.exe	svchost.exe
PID 1640 wrote to memory of 1260	1640	svchost.exe	Explorer.EXE
PID 1640 wrote to memory of 1260	1640	svchost.exe	Explorer.EXE
PID 1640 wrote to memory of 1260	1640	svchost.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:1260

C:\Users\Admin\AppData\Local\Temp\5b3f58a5ad9ff0c0a11055d34a08ec2a046144c82f88f1e2735f794402705c80.exe
"C:\Users\Admin\AppData\Local\Temp\5b3f58a5ad9ff0c0a11055d34a08ec2a046144c82f88f1e2735f794402705c80.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1776

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\736E\70.bat" "C:\Users\Admin\AppData\Roaming\bidiprop\ctl3an32.exe" "C:\Users\Admin\AppData\Local\Temp\5B3F58~1.EXE""
3⤵
- Suspicious use of WriteProcessMemory
PID:1740

C:\Windows\SysWOW64\cmd.exe
cmd /C ""C:\Users\Admin\AppData\Roaming\bidiprop\ctl3an32.exe" "C:\Users\Admin\AppData\Local\Temp\5B3F58~1.EXE""
4⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1636

C:\Users\Admin\AppData\Roaming\bidiprop\ctl3an32.exe
"C:\Users\Admin\AppData\Roaming\bidiprop\ctl3an32.exe" "C:\Users\Admin\AppData\Local\Temp\5B3F58~1.EXE"
5⤵
- Executes dropped EXE
- Deletes itself
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1820

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe
6⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1640

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\736E\70.bat
Filesize
108B

MD5
40a00c74df8c56ae457cd6a6f9c89641

SHA1
6b22476e10f3911a70ade4b921f52e11caba4abd

SHA256
23dc54261eaf67de6899f6ecd419ccc11830f23b9683c44a36ac08f1ca50bc01

SHA512
ddace174e71423ffd1bfdb4d825b9df5e960b7e85d3b341a56cf4d4a5d2d4b2c565222341e99624995e8ededf17ce314d5b9ab6582e11329413e672c3b04cbd6

Download Submit
C:\Users\Admin\AppData\Roaming\bidiprop\ctl3an32.exe
Filesize
361KB

MD5
64139ece03d78520b9dae8d1313da69e

SHA1
45e19e267688c8472ce882afe93becb043b718d1

SHA256
5b3f58a5ad9ff0c0a11055d34a08ec2a046144c82f88f1e2735f794402705c80

SHA512
2daa3467bb5bb3af17f94503946eab4f07e8a7e09906ed54d843aa80ae90ced32d574b08b7c1ee78c56d3a7a950799cafa9705d1c39df3e9888865a004db7b84

Download Submit
C:\Users\Admin\AppData\Roaming\bidiprop\ctl3an32.exe
Filesize
361KB

MD5
64139ece03d78520b9dae8d1313da69e

SHA1
45e19e267688c8472ce882afe93becb043b718d1

SHA256
5b3f58a5ad9ff0c0a11055d34a08ec2a046144c82f88f1e2735f794402705c80

SHA512
2daa3467bb5bb3af17f94503946eab4f07e8a7e09906ed54d843aa80ae90ced32d574b08b7c1ee78c56d3a7a950799cafa9705d1c39df3e9888865a004db7b84

Download Submit
\Users\Admin\AppData\Roaming\bidiprop\ctl3an32.exe
Filesize
361KB

MD5
64139ece03d78520b9dae8d1313da69e

SHA1
45e19e267688c8472ce882afe93becb043b718d1

SHA256
5b3f58a5ad9ff0c0a11055d34a08ec2a046144c82f88f1e2735f794402705c80

SHA512
2daa3467bb5bb3af17f94503946eab4f07e8a7e09906ed54d843aa80ae90ced32d574b08b7c1ee78c56d3a7a950799cafa9705d1c39df3e9888865a004db7b84

Download Submit
memory/1260-73-0x0000000002990000-0x0000000002A05000-memory.dmp

Filesize
468KB

Download
memory/1260-72-0x0000000002990000-0x0000000002A05000-memory.dmp

Filesize
468KB

Download
memory/1636-60-0x0000000000000000-mapping.dmp

Download
memory/1640-69-0x0000000000000000-mapping.dmp

Download
memory/1640-70-0x00000000000D0000-0x0000000000145000-memory.dmp

Filesize
468KB

Download
memory/1640-71-0x00000000000D0000-0x0000000000145000-memory.dmp

Filesize
468KB

Download
memory/1740-58-0x0000000000000000-mapping.dmp

Download
memory/1776-54-0x0000000075B61000-0x0000000075B63000-memory.dmp

Filesize
8KB

Download
memory/1776-57-0x0000000000230000-0x0000000000260000-memory.dmp

Filesize
192KB

Download
memory/1776-55-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1820-63-0x0000000000000000-mapping.dmp

Download
memory/1820-66-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1820-68-0x0000000000230000-0x0000000000260000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads