gozi_ifsb | 63983f2b44a5dff65eb12d9ba76dfbaadcc320827410f3ac1530a2479b80c2ed

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-en-20220112
submitted
09/03/2022, 01:10

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General

Target
63983f2b44a5dff65eb12d9ba76dfbaadcc320827410f3ac1530a2479b80c2ed.exe
Size 708KB
Sample220309-bjszesbgc8
SHA256 63983f2b44a5dff65eb12d9ba76dfbaadcc320827410f3ac1530a2479b80c2ed
MD5 a1c771407670d3659a93d6a8c18f4414
SHA1 e2108f99be0fd46ab971cde1cd059c04aa31044d
SHA512 174fb97c50caa011152fce2863356fe192fb82f7e6c4f1b1b2c3930378f44a314a6e04fb2359afe6668ec822972baefc4ef7b63fb13cbe1719af0e0c755e6e97
MD5 SHA1 SHA512

Score

10^/10

gozi_ifsb 1097 banker persistence trojan

Malware Config

Extracted

Family

gozi_ifsb

Botnet

1097

dicaplitr.com
habravestedago.ru
gematosarigon.com
bilgatestoor.ru
bluewaterstone.ru

Attributes

build
215775
dga_base_url
constitution.org/usdeclar.txt
dga_crc
0x4eb7d2ca
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

pid	Process
1184	agenhunk.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	63983f2b44a5dff65eb12d9ba76dfbaadcc320827410f3ac1530a2479b80c2ed.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\accoSync = "C:\\Users\\Admin\\AppData\\Roaming\\azrocdp\\agenhunk.exe"	63983f2b44a5dff65eb12d9ba76dfbaadcc320827410f3ac1530a2479b80c2ed.exe

Suspicious use of SetThreadContext 6 IoCs

description	pid	Process	procid_target
PID 1184 set thread context of 3708	1184	agenhunk.exe	63
PID 3708 set thread context of 2436	3708	svchost.exe	13
PID 2436 set thread context of 2984	2436	Explorer.EXE	8
PID 2436 set thread context of 2628	2436	Explorer.EXE	53
PID 2436 set thread context of 3324	2436	Explorer.EXE	51
PID 2436 set thread context of 2572	2436	Explorer.EXE	48

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

System Information Discovery
T1082

Checks SCSI registry key(s) 3 TTPs 4 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName	agenhunk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000	63983f2b44a5dff65eb12d9ba76dfbaadcc320827410f3ac1530a2479b80c2ed.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName	63983f2b44a5dff65eb12d9ba76dfbaadcc320827410f3ac1530a2479b80c2ed.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000	agenhunk.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1184	agenhunk.exe
1184	agenhunk.exe
2436	Explorer.EXE
2436	Explorer.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2436	Explorer.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1184	agenhunk.exe
3708	svchost.exe
2436	Explorer.EXE
2436	Explorer.EXE
2436	Explorer.EXE
2436	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2984	RuntimeBroker.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2436	Explorer.EXE

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 3568 wrote to memory of 60	3568	63983f2b44a5dff65eb12d9ba76dfbaadcc320827410f3ac1530a2479b80c2ed.exe	58
PID 3568 wrote to memory of 60	3568	63983f2b44a5dff65eb12d9ba76dfbaadcc320827410f3ac1530a2479b80c2ed.exe	58
PID 3568 wrote to memory of 60	3568	63983f2b44a5dff65eb12d9ba76dfbaadcc320827410f3ac1530a2479b80c2ed.exe	58
PID 60 wrote to memory of 2840	60	cmd.exe	60
PID 60 wrote to memory of 2840	60	cmd.exe	60
PID 60 wrote to memory of 2840	60	cmd.exe	60
PID 60 wrote to memory of 2712	60	cmd.exe	61
PID 60 wrote to memory of 2712	60	cmd.exe	61
PID 60 wrote to memory of 2712	60	cmd.exe	61
PID 2712 wrote to memory of 1184	2712	cmd.exe	62
PID 2712 wrote to memory of 1184	2712	cmd.exe	62
PID 2712 wrote to memory of 1184	2712	cmd.exe	62
PID 1184 wrote to memory of 3708	1184	agenhunk.exe	63
PID 1184 wrote to memory of 3708	1184	agenhunk.exe	63
PID 1184 wrote to memory of 3708	1184	agenhunk.exe	63
PID 1184 wrote to memory of 3708	1184	agenhunk.exe	63
PID 1184 wrote to memory of 3708	1184	agenhunk.exe	63
PID 3708 wrote to memory of 2436	3708	svchost.exe	13
PID 3708 wrote to memory of 2436	3708	svchost.exe	13
PID 3708 wrote to memory of 2436	3708	svchost.exe	13
PID 2436 wrote to memory of 2984	2436	Explorer.EXE	8
PID 2436 wrote to memory of 2984	2436	Explorer.EXE	8
PID 2436 wrote to memory of 2984	2436	Explorer.EXE	8
PID 2436 wrote to memory of 2628	2436	Explorer.EXE	53
PID 2436 wrote to memory of 2628	2436	Explorer.EXE	53
PID 2436 wrote to memory of 2628	2436	Explorer.EXE	53
PID 2436 wrote to memory of 3324	2436	Explorer.EXE	51
PID 2436 wrote to memory of 3324	2436	Explorer.EXE	51
PID 2436 wrote to memory of 3324	2436	Explorer.EXE	51
PID 2436 wrote to memory of 2572	2436	Explorer.EXE	48
PID 2436 wrote to memory of 2572	2436	Explorer.EXE	48
PID 2436 wrote to memory of 2572	2436	Explorer.EXE	48

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2984

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Users\Admin\AppData\Local\Temp\63983f2b44a5dff65eb12d9ba76dfbaadcc320827410f3ac1530a2479b80c2ed.exe
  "C:\Users\Admin\AppData\Local\Temp\63983f2b44a5dff65eb12d9ba76dfbaadcc320827410f3ac1530a2479b80c2ed.exe"
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - Checks SCSI registry key(s)
  - Suspicious use of WriteProcessMemory
  PID:3568
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\20FB\D3.bat" "C:\Users\Admin\AppData\Roaming\azrocdp\agenhunk.exe" "C:\Users\Admin\AppData\Local\Temp\63983F~1.EXE""
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:60
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /C ""C:\Users\Admin\AppData\Roaming\azrocdp\agenhunk.exe" "C:\Users\Admin\AppData\Local\Temp\63983F~1.EXE""
      4⤵
      PID:2840
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /C ""C:\Users\Admin\AppData\Roaming\azrocdp\agenhunk.exe" "C:\Users\Admin\AppData\Local\Temp\63983F~1.EXE""
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2712
    - - C:\Users\Admin\AppData\Roaming\azrocdp\agenhunk.exe
        
        "C:\Users\Admin\AppData\Roaming\azrocdp\agenhunk.exe" "C:\Users\Admin\AppData\Local\Temp\63983F~1.EXE"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Checks SCSI registry key(s)
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of WriteProcessMemory
        
        PID:1184
      - C:\Windows\system32\svchost.exe
        
        C:\Windows\system32\svchost.exe
        6⤵
        Suspicious use of SetThreadContext
        Suspicious behavior: MapViewOfSection
        Suspicious use of WriteProcessMemory
        
        PID:3708

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:2572

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3324

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:2628

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2436-143-0x0000000000680000-0x0000000000681000-memory.dmp

Download

memory/2436-144-0x0000000007900000-0x0000000007A03000-memory.dmp

Download

memory/2572-160-0x000001E25AE00000-0x000001E25AF03000-memory.dmp

Download

memory/2572-159-0x000001E258F50000-0x000001E258F51000-memory.dmp

Download

memory/2628-155-0x000001C7C6FF0000-0x000001C7C6FF1000-memory.dmp

Download

memory/2628-156-0x000001C7C9EF0000-0x000001C7C9FF3000-memory.dmp

Download

memory/2984-153-0x0000027CEC510000-0x0000027CEC511000-memory.dmp

Download

memory/2984-154-0x0000027CEC400000-0x0000027CEC503000-memory.dmp

Download

memory/3324-157-0x000001AADFDA0000-0x000001AADFDA1000-memory.dmp

Download

memory/3324-158-0x000001AAE06B0000-0x000001AAE07B3000-memory.dmp

Download

memory/3568-130-0x0000000000DA0000-0x0000000000DAC000-memory.dmp

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memory/3568-131-0x0000000000400000-0x000000000080B000-memory.dmp

Download

memory/3708-142-0x0000000000710000-0x0000000000813000-memory.dmp

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