gozi_ifsb | 80e3a54e37f5e83b8bdab98b2ca765baaecb72c303fe44bc85ab85e7ece76764

General

Target

80e3a54e37f5e83b8bdab98b2ca765baaecb72c303fe44bc85ab85e7ece76764.exe
Size

273KB
MD5

54cd7479c93e54ce8c9784b8b1a0392b
SHA1

c3e15e023c4ae835789b82befbe328ae137417ea
SHA256

80e3a54e37f5e83b8bdab98b2ca765baaecb72c303fe44bc85ab85e7ece76764
SHA512

cea67d7c1094b107a83c607196d9d4d16e0d7d6b7e5cdaa81d83e52422a9194203680d65b44c106c46a8e47dc6251fe292930e9fcc8b757b7d5242383286afbb

Score

10^/10

gozi_ifsb ursnif banker persistence spyware trojan upx

Malware Config

Extracted

Family

ursnif

Attributes

dga_base_url
dga_crc
0
dga_season
0
dga_tlds
dns_servers

Signatures

Gozi, Gozi IFSB
Gozi ISFB is a well-known and widely distributed banking trojan.
banker trojan gozi_ifsb
Ursnif, Dreambot
Ursnif is a variant of the Gozi IFSB with more capabilities.
banker trojan ursnif

ServiceHost packer 1 IoCs

Detects ServiceHost packer used for .NET malware

resource	yara_rule
behavioral2/memory/2684-8-0x000000C4DB17E000-mapping.dmp	servicehost

Executes dropped EXE 1 IoCs

pid	Process
2916	ACCTlg32.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x000200000001ab5b-4.dat	upx
behavioral2/files/0x000200000001ab5b-5.dat	upx

Deletes itself 1 IoCs

pid	Process
2916	ACCTlg32.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

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-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\advadext = "C:\\Users\\Admin\\AppData\\Roaming\\capicatq\\ACCTlg32.exe"	80e3a54e37f5e83b8bdab98b2ca765baaecb72c303fe44bc85ab85e7ece76764.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2916 set thread context of 2684	2916	ACCTlg32.exe	79
PID 2684 set thread context of 2828	2684	svchost.exe	57
PID 2828 set thread context of 3556	2828	Explorer.EXE	60

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2916	ACCTlg32.exe
2916	ACCTlg32.exe
2828	Explorer.EXE
2828	Explorer.EXE

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
2916	ACCTlg32.exe
2684	svchost.exe
2828	Explorer.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2828	Explorer.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3372 wrote to memory of 2708	3372	80e3a54e37f5e83b8bdab98b2ca765baaecb72c303fe44bc85ab85e7ece76764.exe	75
PID 3372 wrote to memory of 2708	3372	80e3a54e37f5e83b8bdab98b2ca765baaecb72c303fe44bc85ab85e7ece76764.exe	75
PID 3372 wrote to memory of 2708	3372	80e3a54e37f5e83b8bdab98b2ca765baaecb72c303fe44bc85ab85e7ece76764.exe	75
PID 2708 wrote to memory of 3880	2708	cmd.exe	77
PID 2708 wrote to memory of 3880	2708	cmd.exe	77
PID 2708 wrote to memory of 3880	2708	cmd.exe	77
PID 3880 wrote to memory of 2916	3880	cmd.exe	78
PID 3880 wrote to memory of 2916	3880	cmd.exe	78
PID 3880 wrote to memory of 2916	3880	cmd.exe	78
PID 2916 wrote to memory of 2684	2916	ACCTlg32.exe	79
PID 2916 wrote to memory of 2684	2916	ACCTlg32.exe	79
PID 2916 wrote to memory of 2684	2916	ACCTlg32.exe	79
PID 2916 wrote to memory of 2684	2916	ACCTlg32.exe	79
PID 2916 wrote to memory of 2684	2916	ACCTlg32.exe	79
PID 2684 wrote to memory of 2828	2684	svchost.exe	57
PID 2684 wrote to memory of 2828	2684	svchost.exe	57
PID 2684 wrote to memory of 2828	2684	svchost.exe	57
PID 2828 wrote to memory of 3556	2828	Explorer.EXE	60
PID 2828 wrote to memory of 3556	2828	Explorer.EXE	60
PID 2828 wrote to memory of 3556	2828	Explorer.EXE	60

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2828
- C:\Users\Admin\AppData\Local\Temp\80e3a54e37f5e83b8bdab98b2ca765baaecb72c303fe44bc85ab85e7ece76764.exe
  "C:\Users\Admin\AppData\Local\Temp\80e3a54e37f5e83b8bdab98b2ca765baaecb72c303fe44bc85ab85e7ece76764.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3372
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\6F02\3781.bat" "C:\Users\Admin\AppData\Roaming\capicatq\ACCTlg32.exe" "C:\Users\Admin\AppData\Local\Temp\80E3A5~1.EXE""
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2708
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /C ""C:\Users\Admin\AppData\Roaming\capicatq\ACCTlg32.exe" "C:\Users\Admin\AppData\Local\Temp\80E3A5~1.EXE""
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3880
    - - C:\Users\Admin\AppData\Roaming\capicatq\ACCTlg32.exe
        
        "C:\Users\Admin\AppData\Roaming\capicatq\ACCTlg32.exe" "C:\Users\Admin\AppData\Local\Temp\80E3A5~1.EXE"
        5⤵
        Executes dropped EXE
        Deletes itself
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of WriteProcessMemory
        
        PID:2916
      - C:\Windows\system32\svchost.exe
        
        C:\Windows\system32\svchost.exe
        6⤵
        Suspicious use of SetThreadContext
        Suspicious behavior: MapViewOfSection
        Suspicious use of WriteProcessMemory
        
        PID:2684

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3556

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

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2684-9-0x00000268A3030000-0x00000268A30C6000-memory.dmp

Filesize
600KB

Download
memory/2828-10-0x0000000003450000-0x00000000034E6000-memory.dmp

Filesize
600KB

Download
memory/2916-7-0x00000000029B0000-0x0000000002A46000-memory.dmp

Filesize
600KB

Download

Resubmissions

Analysis

Sharing