gozi_ifsb | 3a6c4a466f072c8fb1b98dad22a2d66b9433261f515fafb21427755b5bd1d666

General

Target

3a6c4a466f072c8fb1b98dad22a2d66b9433261f515fafb21427755b5bd1d666.exe
Size

388KB
MD5

44e4017f47dce2d2925124bb2116166c
SHA1

f5efde405de07ca60afe67ee6f5e53538195fd23
SHA256

3a6c4a466f072c8fb1b98dad22a2d66b9433261f515fafb21427755b5bd1d666
SHA512

be68a64aee0a1d5241012d5cde84432274d08217628ab65e131e842e29c33b382ff5c3b4d390cf4a493b4304ae6ba06f1547e02eb22099b27a85135553cf2a75

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:

authuthz.exe

pid process

964 authuthz.exe
Deletes itself 1 IoCs

Processes:

authuthz.exe

pid process

964 authuthz.exe
Loads dropped DLL 2 IoCs

Processes:

cmd.exe

pid process

2012 cmd.exe
2012 cmd.exe

pid	process
964	authuthz.exe

pid	process
964	authuthz.exe

pid	process
2012	cmd.exe
2012	cmd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

3a6c4a466f072c8fb1b98dad22a2d66b9433261f515fafb21427755b5bd1d666.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\aecaCore = "C:\\Users\\Admin\\AppData\\Roaming\\clictall\\authuthz.exe"	3a6c4a466f072c8fb1b98dad22a2d66b9433261f515fafb21427755b5bd1d666.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

authuthz.exesvchost.exe

description	pid	process	target process
PID 964 set thread context of 1604	964	authuthz.exe	svchost.exe
PID 1604 set thread context of 1280	1604	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:

authuthz.exeExplorer.EXE

pid process

964 authuthz.exe
1280 Explorer.EXE
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

authuthz.exesvchost.exe

pid process

964 authuthz.exe
1604 svchost.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Explorer.EXE

description pid process

Token: SeShutdownPrivilege 1280 Explorer.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1280 Explorer.EXE
1280 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1280 Explorer.EXE
1280 Explorer.EXE
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Explorer.EXE

pid process

1280 Explorer.EXE

pid	process
964	authuthz.exe
1280	Explorer.EXE

pid	process
964	authuthz.exe
1604	svchost.exe

description	pid	process
Token: SeShutdownPrivilege	1280	Explorer.EXE

pid	process
1280	Explorer.EXE
1280	Explorer.EXE

pid	process
1280	Explorer.EXE
1280	Explorer.EXE

pid	process
1280	Explorer.EXE

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

3a6c4a466f072c8fb1b98dad22a2d66b9433261f515fafb21427755b5bd1d666.execmd.execmd.exeauthuthz.exesvchost.exe

description	pid	process	target process
PID 2032 wrote to memory of 1972	2032	3a6c4a466f072c8fb1b98dad22a2d66b9433261f515fafb21427755b5bd1d666.exe	cmd.exe
PID 2032 wrote to memory of 1972	2032	3a6c4a466f072c8fb1b98dad22a2d66b9433261f515fafb21427755b5bd1d666.exe	cmd.exe
PID 2032 wrote to memory of 1972	2032	3a6c4a466f072c8fb1b98dad22a2d66b9433261f515fafb21427755b5bd1d666.exe	cmd.exe
PID 2032 wrote to memory of 1972	2032	3a6c4a466f072c8fb1b98dad22a2d66b9433261f515fafb21427755b5bd1d666.exe	cmd.exe
PID 1972 wrote to memory of 2012	1972	cmd.exe	cmd.exe
PID 1972 wrote to memory of 2012	1972	cmd.exe	cmd.exe
PID 1972 wrote to memory of 2012	1972	cmd.exe	cmd.exe
PID 1972 wrote to memory of 2012	1972	cmd.exe	cmd.exe
PID 2012 wrote to memory of 964	2012	cmd.exe	authuthz.exe
PID 2012 wrote to memory of 964	2012	cmd.exe	authuthz.exe
PID 2012 wrote to memory of 964	2012	cmd.exe	authuthz.exe
PID 2012 wrote to memory of 964	2012	cmd.exe	authuthz.exe
PID 964 wrote to memory of 1604	964	authuthz.exe	svchost.exe
PID 964 wrote to memory of 1604	964	authuthz.exe	svchost.exe
PID 964 wrote to memory of 1604	964	authuthz.exe	svchost.exe
PID 964 wrote to memory of 1604	964	authuthz.exe	svchost.exe
PID 964 wrote to memory of 1604	964	authuthz.exe	svchost.exe
PID 964 wrote to memory of 1604	964	authuthz.exe	svchost.exe
PID 964 wrote to memory of 1604	964	authuthz.exe	svchost.exe
PID 1604 wrote to memory of 1280	1604	svchost.exe	Explorer.EXE
PID 1604 wrote to memory of 1280	1604	svchost.exe	Explorer.EXE
PID 1604 wrote to memory of 1280	1604	svchost.exe	Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\3a6c4a466f072c8fb1b98dad22a2d66b9433261f515fafb21427755b5bd1d666.exe
"C:\Users\Admin\AppData\Local\Temp\3a6c4a466f072c8fb1b98dad22a2d66b9433261f515fafb21427755b5bd1d666.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2032

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\480A\20.bat" "C:\Users\Admin\AppData\Roaming\clictall\authuthz.exe" "C:\Users\Admin\AppData\Local\Temp\3A6C4A~1.EXE""
2⤵
- Suspicious use of WriteProcessMemory
PID:1972

C:\Windows\SysWOW64\cmd.exe
cmd /C ""C:\Users\Admin\AppData\Roaming\clictall\authuthz.exe" "C:\Users\Admin\AppData\Local\Temp\3A6C4A~1.EXE""
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2012

C:\Users\Admin\AppData\Roaming\clictall\authuthz.exe
"C:\Users\Admin\AppData\Roaming\clictall\authuthz.exe" "C:\Users\Admin\AppData\Local\Temp\3A6C4A~1.EXE"
4⤵
- Executes dropped EXE
- Deletes itself
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:964

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe
5⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1604

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:1280

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\480A\20.bat

Filesize
108B

MD5
2ad842a9dbd8f230a2ef743aa0a52df5

SHA1
b788a3032c0f9636ba3c5c705c5a6df3b60c480d

SHA256
fe2e467c562da54321718a89d895afa11aac616244821dfffaa098b15075e9b0

SHA512
f7c596bc5991e0f5ac8857ff08545dc8e54f035e9b6d3c5205bd61955523be21f28cbb2de0640df636724d72a00b908bb7970a962176f7e03df8092effa45a1c

Download Submit
C:\Users\Admin\AppData\Roaming\clictall\authuthz.exe

Filesize
388KB

MD5
44e4017f47dce2d2925124bb2116166c

SHA1
f5efde405de07ca60afe67ee6f5e53538195fd23

SHA256
3a6c4a466f072c8fb1b98dad22a2d66b9433261f515fafb21427755b5bd1d666

SHA512
be68a64aee0a1d5241012d5cde84432274d08217628ab65e131e842e29c33b382ff5c3b4d390cf4a493b4304ae6ba06f1547e02eb22099b27a85135553cf2a75

Download Submit
C:\Users\Admin\AppData\Roaming\clictall\authuthz.exe

Filesize
388KB

MD5
44e4017f47dce2d2925124bb2116166c

SHA1
f5efde405de07ca60afe67ee6f5e53538195fd23

SHA256
3a6c4a466f072c8fb1b98dad22a2d66b9433261f515fafb21427755b5bd1d666

SHA512
be68a64aee0a1d5241012d5cde84432274d08217628ab65e131e842e29c33b382ff5c3b4d390cf4a493b4304ae6ba06f1547e02eb22099b27a85135553cf2a75

Download Submit
\Users\Admin\AppData\Roaming\clictall\authuthz.exe

Filesize
388KB

MD5
44e4017f47dce2d2925124bb2116166c

SHA1
f5efde405de07ca60afe67ee6f5e53538195fd23

SHA256
3a6c4a466f072c8fb1b98dad22a2d66b9433261f515fafb21427755b5bd1d666

SHA512
be68a64aee0a1d5241012d5cde84432274d08217628ab65e131e842e29c33b382ff5c3b4d390cf4a493b4304ae6ba06f1547e02eb22099b27a85135553cf2a75

Download Submit
\Users\Admin\AppData\Roaming\clictall\authuthz.exe

Filesize
388KB

MD5
44e4017f47dce2d2925124bb2116166c

SHA1
f5efde405de07ca60afe67ee6f5e53538195fd23

SHA256
3a6c4a466f072c8fb1b98dad22a2d66b9433261f515fafb21427755b5bd1d666

SHA512
be68a64aee0a1d5241012d5cde84432274d08217628ab65e131e842e29c33b382ff5c3b4d390cf4a493b4304ae6ba06f1547e02eb22099b27a85135553cf2a75

Download Submit
memory/964-64-0x0000000000000000-mapping.dmp

Download
memory/964-67-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1280-72-0x00000000029D0000-0x0000000002A45000-memory.dmp

Filesize
468KB

Download
memory/1280-73-0x00000000029D0000-0x0000000002A45000-memory.dmp

Filesize
468KB

Download
memory/1604-69-0x0000000000000000-mapping.dmp

Download
memory/1604-70-0x0000000000370000-0x00000000003E5000-memory.dmp

Filesize
468KB

Download
memory/1604-71-0x0000000000370000-0x00000000003E5000-memory.dmp

Filesize
468KB

Download
memory/1972-58-0x0000000000000000-mapping.dmp

Download
memory/2012-60-0x0000000000000000-mapping.dmp

Download
memory/2032-57-0x0000000000220000-0x0000000000250000-memory.dmp

Filesize
192KB

Download
memory/2032-54-0x0000000075FC1000-0x0000000075FC3000-memory.dmp

Filesize
8KB

Download
memory/2032-55-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads