gozi_ifsb | 1fff952471f5670932a1445340514a6e07869b5320fd17b3c635c00fabe1e402

General

Target

1fff952471f5670932a1445340514a6e07869b5320fd17b3c635c00fabe1e402.exe
Size

388KB
MD5

3bfea3a7fa0dd19639673f4c32110fa8
SHA1

2a4ec7c4dac2618059c30071ac6b07d41a3bbc2b
SHA256

1fff952471f5670932a1445340514a6e07869b5320fd17b3c635c00fabe1e402
SHA512

05c991717a320dbdb8268957111748599a848ee6d3ce3d2b02a99dd361d1d891c26cf1f881b0aa781b6ea3167ebe06e7fc1e3bc471be960ff6a13b15ecb74d81

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:

Authsvcs.exe

pid process

1780 Authsvcs.exe
Deletes itself 1 IoCs

Processes:

Authsvcs.exe

pid process

1780 Authsvcs.exe
Loads dropped DLL 2 IoCs

Processes:

cmd.exe

pid process

1408 cmd.exe
1408 cmd.exe

pid	process
1780	Authsvcs.exe

pid	process
1780	Authsvcs.exe

pid	process
1408	cmd.exe
1408	cmd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1fff952471f5670932a1445340514a6e07869b5320fd17b3c635c00fabe1e402.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\catsmifw = "C:\\Users\\Admin\\AppData\\Roaming\\cfgbmime\\Authsvcs.exe"	1fff952471f5670932a1445340514a6e07869b5320fd17b3c635c00fabe1e402.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

Authsvcs.exesvchost.exe

description	pid	process	target process
PID 1780 set thread context of 1076	1780	Authsvcs.exe	svchost.exe
PID 1076 set thread context of 1312	1076	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:

Authsvcs.exeExplorer.EXE

pid process

1780 Authsvcs.exe
1312 Explorer.EXE
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

Authsvcs.exesvchost.exe

pid process

1780 Authsvcs.exe
1076 svchost.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1312 Explorer.EXE
1312 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1312 Explorer.EXE
1312 Explorer.EXE
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Explorer.EXE

pid process

1312 Explorer.EXE

pid	process
1780	Authsvcs.exe
1312	Explorer.EXE

pid	process
1780	Authsvcs.exe
1076	svchost.exe

pid	process
1312	Explorer.EXE
1312	Explorer.EXE

pid	process
1312	Explorer.EXE
1312	Explorer.EXE

pid	process
1312	Explorer.EXE

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

1fff952471f5670932a1445340514a6e07869b5320fd17b3c635c00fabe1e402.execmd.execmd.exeAuthsvcs.exesvchost.exe

description	pid	process	target process
PID 336 wrote to memory of 1304	336	1fff952471f5670932a1445340514a6e07869b5320fd17b3c635c00fabe1e402.exe	cmd.exe
PID 336 wrote to memory of 1304	336	1fff952471f5670932a1445340514a6e07869b5320fd17b3c635c00fabe1e402.exe	cmd.exe
PID 336 wrote to memory of 1304	336	1fff952471f5670932a1445340514a6e07869b5320fd17b3c635c00fabe1e402.exe	cmd.exe
PID 336 wrote to memory of 1304	336	1fff952471f5670932a1445340514a6e07869b5320fd17b3c635c00fabe1e402.exe	cmd.exe
PID 1304 wrote to memory of 1408	1304	cmd.exe	cmd.exe
PID 1304 wrote to memory of 1408	1304	cmd.exe	cmd.exe
PID 1304 wrote to memory of 1408	1304	cmd.exe	cmd.exe
PID 1304 wrote to memory of 1408	1304	cmd.exe	cmd.exe
PID 1408 wrote to memory of 1780	1408	cmd.exe	Authsvcs.exe
PID 1408 wrote to memory of 1780	1408	cmd.exe	Authsvcs.exe
PID 1408 wrote to memory of 1780	1408	cmd.exe	Authsvcs.exe
PID 1408 wrote to memory of 1780	1408	cmd.exe	Authsvcs.exe
PID 1780 wrote to memory of 1076	1780	Authsvcs.exe	svchost.exe
PID 1780 wrote to memory of 1076	1780	Authsvcs.exe	svchost.exe
PID 1780 wrote to memory of 1076	1780	Authsvcs.exe	svchost.exe
PID 1780 wrote to memory of 1076	1780	Authsvcs.exe	svchost.exe
PID 1780 wrote to memory of 1076	1780	Authsvcs.exe	svchost.exe
PID 1780 wrote to memory of 1076	1780	Authsvcs.exe	svchost.exe
PID 1780 wrote to memory of 1076	1780	Authsvcs.exe	svchost.exe
PID 1076 wrote to memory of 1312	1076	svchost.exe	Explorer.EXE
PID 1076 wrote to memory of 1312	1076	svchost.exe	Explorer.EXE
PID 1076 wrote to memory of 1312	1076	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:1312

C:\Users\Admin\AppData\Local\Temp\1fff952471f5670932a1445340514a6e07869b5320fd17b3c635c00fabe1e402.exe
"C:\Users\Admin\AppData\Local\Temp\1fff952471f5670932a1445340514a6e07869b5320fd17b3c635c00fabe1e402.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:336

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\FA58\7D2C.bat" "C:\Users\Admin\AppData\Roaming\cfgbmime\Authsvcs.exe" "C:\Users\Admin\AppData\Local\Temp\1FFF95~1.EXE""
3⤵
- Suspicious use of WriteProcessMemory
PID:1304

C:\Windows\SysWOW64\cmd.exe
cmd /C ""C:\Users\Admin\AppData\Roaming\cfgbmime\Authsvcs.exe" "C:\Users\Admin\AppData\Local\Temp\1FFF95~1.EXE""
4⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1408

C:\Users\Admin\AppData\Roaming\cfgbmime\Authsvcs.exe
"C:\Users\Admin\AppData\Roaming\cfgbmime\Authsvcs.exe" "C:\Users\Admin\AppData\Local\Temp\1FFF95~1.EXE"
5⤵
- Executes dropped EXE
- Deletes itself
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1780

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe
6⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1076

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\FA58\7D2C.bat
Filesize
108B

MD5
75cb48560dca4c634fc389c44ca7de5b

SHA1
d5c51957004c0d408fcb2c5b9f0b3f6918961add

SHA256
674e608ea504991a169544487e32e7e60237f758a4869c2442185a0ad7dea3ef

SHA512
61ec995e298dae3061e08ac1fc4fe6f2e52c70435959d02133c379b7ae5d8a91b0c3a33c8ebb4971f9eeee34a9a6a1286c1aadfd5841b2fafd84c5168fa8c6fd

Download Submit
C:\Users\Admin\AppData\Roaming\cfgbmime\Authsvcs.exe
Filesize
388KB

MD5
3bfea3a7fa0dd19639673f4c32110fa8

SHA1
2a4ec7c4dac2618059c30071ac6b07d41a3bbc2b

SHA256
1fff952471f5670932a1445340514a6e07869b5320fd17b3c635c00fabe1e402

SHA512
05c991717a320dbdb8268957111748599a848ee6d3ce3d2b02a99dd361d1d891c26cf1f881b0aa781b6ea3167ebe06e7fc1e3bc471be960ff6a13b15ecb74d81

Download Submit
C:\Users\Admin\AppData\Roaming\cfgbmime\Authsvcs.exe
Filesize
388KB

MD5
3bfea3a7fa0dd19639673f4c32110fa8

SHA1
2a4ec7c4dac2618059c30071ac6b07d41a3bbc2b

SHA256
1fff952471f5670932a1445340514a6e07869b5320fd17b3c635c00fabe1e402

SHA512
05c991717a320dbdb8268957111748599a848ee6d3ce3d2b02a99dd361d1d891c26cf1f881b0aa781b6ea3167ebe06e7fc1e3bc471be960ff6a13b15ecb74d81

Download Submit
\Users\Admin\AppData\Roaming\cfgbmime\Authsvcs.exe
Filesize
388KB

MD5
3bfea3a7fa0dd19639673f4c32110fa8

SHA1
2a4ec7c4dac2618059c30071ac6b07d41a3bbc2b

SHA256
1fff952471f5670932a1445340514a6e07869b5320fd17b3c635c00fabe1e402

SHA512
05c991717a320dbdb8268957111748599a848ee6d3ce3d2b02a99dd361d1d891c26cf1f881b0aa781b6ea3167ebe06e7fc1e3bc471be960ff6a13b15ecb74d81

Download Submit
\Users\Admin\AppData\Roaming\cfgbmime\Authsvcs.exe
Filesize
388KB

MD5
3bfea3a7fa0dd19639673f4c32110fa8

SHA1
2a4ec7c4dac2618059c30071ac6b07d41a3bbc2b

SHA256
1fff952471f5670932a1445340514a6e07869b5320fd17b3c635c00fabe1e402

SHA512
05c991717a320dbdb8268957111748599a848ee6d3ce3d2b02a99dd361d1d891c26cf1f881b0aa781b6ea3167ebe06e7fc1e3bc471be960ff6a13b15ecb74d81

Download Submit
memory/336-57-0x0000000000220000-0x0000000000250000-memory.dmp

Filesize
192KB

Download
memory/336-54-0x0000000075711000-0x0000000075713000-memory.dmp

Filesize
8KB

Download
memory/336-55-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1076-69-0x0000000000000000-mapping.dmp

Download
memory/1076-70-0x0000000000150000-0x00000000001C5000-memory.dmp

Filesize
468KB

Download
memory/1076-71-0x0000000000150000-0x00000000001C5000-memory.dmp

Filesize
468KB

Download
memory/1304-58-0x0000000000000000-mapping.dmp

Download
memory/1312-72-0x0000000002B00000-0x0000000002B75000-memory.dmp

Filesize
468KB

Download
memory/1312-73-0x0000000002B00000-0x0000000002B75000-memory.dmp

Filesize
468KB

Download
memory/1408-60-0x0000000000000000-mapping.dmp

Download
memory/1780-64-0x0000000000000000-mapping.dmp

Download
memory/1780-67-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads