gozi_ifsb | d0136345e5d9b60ead6b8eabdd9887f43f96a27bfc2c1812737da9858e32d6ba

Analysis

max time kernel
146s
max time network
150s
platform
windows7_x64
resource
win7v20201028
submitted
10-11-2020 11:49

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General

Target

d0136345e5d9b60ead6b8eabdd9887f43f96a27bfc2c1812737da9858e32d6ba.exe
Size

365KB
MD5

7012fcbeda3bebbceef18eba8e2a78db
SHA1

64bf265931d406c6c1632c5a6a16cbf335b1202e
SHA256

d0136345e5d9b60ead6b8eabdd9887f43f96a27bfc2c1812737da9858e32d6ba
SHA512

9761ab641cc625e804922522c6b89d95f1dee7325f634d39f6f8eb71cd45af8b75f24152759ee59977cf026fa696d85d77161cd3db246915b2240e31c1f69a6b

Score

10^/10

gozi_ifsb ursnif banker persistence spyware trojan

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

Executes dropped EXE 1 IoCs

pid	Process
1692	bcryider.exe

Deletes itself 1 IoCs

pid	Process
1692	bcryider.exe

Loads dropped DLL 1 IoCs

pid	Process
344	cmd.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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\capiript = "C:\\Users\\Admin\\AppData\\Roaming\\Devidisc\\bcryider.exe"	d0136345e5d9b60ead6b8eabdd9887f43f96a27bfc2c1812737da9858e32d6ba.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1692 set thread context of 1660	1692	bcryider.exe	33
PID 1660 set thread context of 1268	1660	svchost.exe	21

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1692	bcryider.exe
1268	Explorer.EXE

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1692	bcryider.exe
1660	svchost.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 1796	1744	d0136345e5d9b60ead6b8eabdd9887f43f96a27bfc2c1812737da9858e32d6ba.exe	29
PID 1744 wrote to memory of 1796	1744	d0136345e5d9b60ead6b8eabdd9887f43f96a27bfc2c1812737da9858e32d6ba.exe	29
PID 1744 wrote to memory of 1796	1744	d0136345e5d9b60ead6b8eabdd9887f43f96a27bfc2c1812737da9858e32d6ba.exe	29
PID 1744 wrote to memory of 1796	1744	d0136345e5d9b60ead6b8eabdd9887f43f96a27bfc2c1812737da9858e32d6ba.exe	29
PID 1796 wrote to memory of 344	1796	cmd.exe	31
PID 1796 wrote to memory of 344	1796	cmd.exe	31
PID 1796 wrote to memory of 344	1796	cmd.exe	31
PID 1796 wrote to memory of 344	1796	cmd.exe	31
PID 344 wrote to memory of 1692	344	cmd.exe	32
PID 344 wrote to memory of 1692	344	cmd.exe	32
PID 344 wrote to memory of 1692	344	cmd.exe	32
PID 344 wrote to memory of 1692	344	cmd.exe	32
PID 1692 wrote to memory of 1660	1692	bcryider.exe	33
PID 1692 wrote to memory of 1660	1692	bcryider.exe	33
PID 1692 wrote to memory of 1660	1692	bcryider.exe	33
PID 1692 wrote to memory of 1660	1692	bcryider.exe	33
PID 1692 wrote to memory of 1660	1692	bcryider.exe	33
PID 1692 wrote to memory of 1660	1692	bcryider.exe	33
PID 1692 wrote to memory of 1660	1692	bcryider.exe	33
PID 1660 wrote to memory of 1268	1660	svchost.exe	21
PID 1660 wrote to memory of 1268	1660	svchost.exe	21
PID 1660 wrote to memory of 1268	1660	svchost.exe	21
PID 1268 wrote to memory of 1720	1268	Explorer.EXE	36
PID 1268 wrote to memory of 1720	1268	Explorer.EXE	36
PID 1268 wrote to memory of 1720	1268	Explorer.EXE	36
PID 1720 wrote to memory of 988	1720	cmd.exe	38
PID 1720 wrote to memory of 988	1720	cmd.exe	38
PID 1720 wrote to memory of 988	1720	cmd.exe	38
PID 1268 wrote to memory of 1708	1268	Explorer.EXE	39
PID 1268 wrote to memory of 1708	1268	Explorer.EXE	39
PID 1268 wrote to memory of 1708	1268	Explorer.EXE	39

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1268
- C:\Users\Admin\AppData\Local\Temp\d0136345e5d9b60ead6b8eabdd9887f43f96a27bfc2c1812737da9858e32d6ba.exe
  "C:\Users\Admin\AppData\Local\Temp\d0136345e5d9b60ead6b8eabdd9887f43f96a27bfc2c1812737da9858e32d6ba.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1744
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\1DDE\EEF.bat" "C:\Users\Admin\AppData\Roaming\Devidisc\bcryider.exe" "C:\Users\Admin\AppData\Local\Temp\D01363~1.EXE""
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1796
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /C ""C:\Users\Admin\AppData\Roaming\Devidisc\bcryider.exe" "C:\Users\Admin\AppData\Local\Temp\D01363~1.EXE""
      4⤵
      Loads dropped DLL
      Suspicious use of WriteProcessMemory
      PID:344
    - - C:\Users\Admin\AppData\Roaming\Devidisc\bcryider.exe
        
        "C:\Users\Admin\AppData\Roaming\Devidisc\bcryider.exe" "C:\Users\Admin\AppData\Local\Temp\D01363~1.EXE"
        5⤵
        Executes dropped EXE
        Deletes itself
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of WriteProcessMemory
        
        PID:1692
      - C:\Windows\system32\svchost.exe
        
        C:\Windows\system32\svchost.exe
        6⤵
        Suspicious use of SetThreadContext
        Suspicious behavior: MapViewOfSection
        Suspicious use of WriteProcessMemory
        
        PID:1660
- C:\Windows\system32\cmd.exe
  cmd /C "nslookup myip.opendns.com resolver1.opendns.com > C:\Users\Admin\AppData\Local\Temp\B934.bi1"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1720
- - C:\Windows\system32\nslookup.exe
    nslookup myip.opendns.com resolver1.opendns.com
    3⤵
    PID:988
- C:\Windows\system32\cmd.exe
  cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\B934.bi1"
  2⤵
  PID:1708

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

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1660-10-0x0000000000470000-0x00000000004A5000-memory.dmp

Filesize
212KB

Download
memory/1660-11-0x0000000002030000-0x00000000020BF000-memory.dmp

Filesize
572KB

Download
memory/1692-8-0x0000000001F10000-0x0000000001F9F000-memory.dmp

Filesize
572KB

Download
memory/1816-12-0x000007FEF63D0000-0x000007FEF664A000-memory.dmp

Filesize
2.5MB

Download