gozi | 4897564a8c3fd201eb272b044f8c17a2518e6cc10fa6d1bbff806b4f012805ec

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/11/2024, 11:40

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General

Target

8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe
Size

534KB
MD5

8541c3e5a2fea353fab1657575993319
SHA1

95383648af291e339dfa628a3950686e822e93d5
SHA256

4897564a8c3fd201eb272b044f8c17a2518e6cc10fa6d1bbff806b4f012805ec
SHA512

0ce82bf2397186e93d1f5f0f66576536dd66462d940b781a8e0f0e52041d3d3ca604dbfd15a3c4ee196780ecf23d9145edb997d9927a9f2261aaecb305ab7fe4
SSDEEP

12288:8urQ2eY45lYMxuqLOjy9lmbCKyBXUe7S/kVpprgPs:nGlY8xheO/ke7SaR

Score

10^/10

gozi banker discovery isfb persistence trojan

Malware Config

Extracted

Family

gozi

Attributes

build
215798

rsa_pubkey.plain

Signatures

Gozi
Gozi is a well-known and widely distributed banking trojan.
banker trojan gozi
Gozi family
gozi

Executes dropped EXE 2 IoCs

pid	Process
2516	cewmnect.exe
2932	cewmnect.exe

Loads dropped DLL 2 IoCs

pid	Process
2640	cmd.exe
2640	cmd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\desksenh = "C:\\Users\\Admin\\AppData\\Roaming\\difxuser\\cewmnect.exe"	8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2336 set thread context of 2688	2336	8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe	34
PID 2516 set thread context of 2932	2516	cewmnect.exe	39
PID 2932 set thread context of 276	2932	cewmnect.exe	40
PID 276 set thread context of 1128	276	svchost.exe	20

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cewmnect.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cewmnect.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2932	cewmnect.exe
1128	Explorer.EXE

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2932	cewmnect.exe
276	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1128	Explorer.EXE

Suspicious use of WriteProcessMemory 56 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 2392	2336	8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe	31
PID 2336 wrote to memory of 2392	2336	8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe	31
PID 2336 wrote to memory of 2392	2336	8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe	31
PID 2336 wrote to memory of 2392	2336	8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe	31
PID 2336 wrote to memory of 2220	2336	8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe	32
PID 2336 wrote to memory of 2220	2336	8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe	32
PID 2336 wrote to memory of 2220	2336	8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe	32
PID 2336 wrote to memory of 2220	2336	8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe	32
PID 2336 wrote to memory of 2788	2336	8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe	33
PID 2336 wrote to memory of 2788	2336	8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe	33
PID 2336 wrote to memory of 2788	2336	8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe	33
PID 2336 wrote to memory of 2788	2336	8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe	33
PID 2336 wrote to memory of 2688	2336	8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe	34
PID 2336 wrote to memory of 2688	2336	8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe	34
PID 2336 wrote to memory of 2688	2336	8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe	34
PID 2336 wrote to memory of 2688	2336	8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe	34
PID 2336 wrote to memory of 2688	2336	8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe	34
PID 2336 wrote to memory of 2688	2336	8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe	34
PID 2336 wrote to memory of 2688	2336	8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe	34
PID 2336 wrote to memory of 2688	2336	8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe	34
PID 2336 wrote to memory of 2688	2336	8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe	34
PID 2336 wrote to memory of 2688	2336	8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe	34
PID 2336 wrote to memory of 2688	2336	8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe	34
PID 2688 wrote to memory of 2612	2688	8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe	35
PID 2688 wrote to memory of 2612	2688	8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe	35
PID 2688 wrote to memory of 2612	2688	8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe	35
PID 2688 wrote to memory of 2612	2688	8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe	35
PID 2612 wrote to memory of 2640	2612	cmd.exe	37
PID 2612 wrote to memory of 2640	2612	cmd.exe	37
PID 2612 wrote to memory of 2640	2612	cmd.exe	37
PID 2612 wrote to memory of 2640	2612	cmd.exe	37
PID 2640 wrote to memory of 2516	2640	cmd.exe	38
PID 2640 wrote to memory of 2516	2640	cmd.exe	38
PID 2640 wrote to memory of 2516	2640	cmd.exe	38
PID 2640 wrote to memory of 2516	2640	cmd.exe	38
PID 2516 wrote to memory of 2932	2516	cewmnect.exe	39
PID 2516 wrote to memory of 2932	2516	cewmnect.exe	39
PID 2516 wrote to memory of 2932	2516	cewmnect.exe	39
PID 2516 wrote to memory of 2932	2516	cewmnect.exe	39
PID 2516 wrote to memory of 2932	2516	cewmnect.exe	39
PID 2516 wrote to memory of 2932	2516	cewmnect.exe	39
PID 2516 wrote to memory of 2932	2516	cewmnect.exe	39
PID 2516 wrote to memory of 2932	2516	cewmnect.exe	39
PID 2516 wrote to memory of 2932	2516	cewmnect.exe	39
PID 2516 wrote to memory of 2932	2516	cewmnect.exe	39
PID 2516 wrote to memory of 2932	2516	cewmnect.exe	39
PID 2932 wrote to memory of 276	2932	cewmnect.exe	40
PID 2932 wrote to memory of 276	2932	cewmnect.exe	40
PID 2932 wrote to memory of 276	2932	cewmnect.exe	40
PID 2932 wrote to memory of 276	2932	cewmnect.exe	40
PID 2932 wrote to memory of 276	2932	cewmnect.exe	40
PID 2932 wrote to memory of 276	2932	cewmnect.exe	40
PID 2932 wrote to memory of 276	2932	cewmnect.exe	40
PID 276 wrote to memory of 1128	276	svchost.exe	20
PID 276 wrote to memory of 1128	276	svchost.exe	20
PID 276 wrote to memory of 1128	276	svchost.exe	20

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1128
- C:\Users\Admin\AppData\Local\Temp\8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2336
- - C:\Users\Admin\AppData\Local\Temp\8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe"
    3⤵
    PID:2392
- - C:\Users\Admin\AppData\Local\Temp\8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe"
    3⤵
    PID:2220
- - C:\Users\Admin\AppData\Local\Temp\8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe"
    3⤵
    PID:2788
- - C:\Users\Admin\AppData\Local\Temp\8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8541c3e5a2fea353fab1657575993319_JaffaCakes118.exe"
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2688
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\2EEE\1777.bat" "C:\Users\Admin\AppData\Roaming\difxuser\cewmnect.exe" "C:\Users\Admin\AppData\Local\Temp\8541C3~1.EXE""
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2612
    - - C:\Windows\SysWOW64\cmd.exe
        
        cmd /C ""C:\Users\Admin\AppData\Roaming\difxuser\cewmnect.exe" "C:\Users\Admin\AppData\Local\Temp\8541C3~1.EXE""
        5⤵
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2640
      - C:\Users\Admin\AppData\Roaming\difxuser\cewmnect.exe
        
        "C:\Users\Admin\AppData\Roaming\difxuser\cewmnect.exe" "C:\Users\Admin\AppData\Local\Temp\8541C3~1.EXE"
        6⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2516
        
        C:\Users\Admin\AppData\Roaming\difxuser\cewmnect.exe
        
        "C:\Users\Admin\AppData\Roaming\difxuser\cewmnect.exe"
        7⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of WriteProcessMemory
        
        PID:2932
        
        C:\Windows\system32\svchost.exe
        
        C:\Windows\system32\svchost.exe
        8⤵
        Suspicious use of SetThreadContext
        Suspicious behavior: MapViewOfSection
        Suspicious use of WriteProcessMemory
        
        PID:276

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\2EEE\1777.bat

Filesize
112B

MD5
c3ff02d413ce054514545f1b677b5986

SHA1
c5a4da66710a1dee7a63723eca81ded600f8ea5a

SHA256
051ceddc23cf31100f43d1a9db14d18c891f31c266f88a89b0d37c24217fa4e5

SHA512
23115d9ef25ccfb1b38a4d5ae9ef39ac563e2cb8b437044a4c8f5c521120dcaf2dcc2977c457b52a89b4ad250117f668c6a808bdbdd1fb9ff5cb463fea17f436

Download Submit
\Users\Admin\AppData\Roaming\difxuser\cewmnect.exe

Filesize
534KB

MD5
8541c3e5a2fea353fab1657575993319

SHA1
95383648af291e339dfa628a3950686e822e93d5

SHA256
4897564a8c3fd201eb272b044f8c17a2518e6cc10fa6d1bbff806b4f012805ec

SHA512
0ce82bf2397186e93d1f5f0f66576536dd66462d940b781a8e0f0e52041d3d3ca604dbfd15a3c4ee196780ecf23d9145edb997d9927a9f2261aaecb305ab7fe4

Download Submit
memory/276-49-0x0000000000480000-0x0000000000584000-memory.dmp

Filesize
1.0MB

Download
memory/276-42-0x000007FFFFFDB000-0x000007FFFFFDC000-memory.dmp

Filesize
4KB

Download
memory/276-44-0x0000000000480000-0x0000000000584000-memory.dmp

Filesize
1.0MB

Download
memory/1128-48-0x0000000004420000-0x0000000004524000-memory.dmp

Filesize
1.0MB

Download
memory/1128-57-0x0000000004420000-0x0000000004524000-memory.dmp

Filesize
1.0MB

Download
memory/1128-58-0x0000000004420000-0x0000000004524000-memory.dmp

Filesize
1.0MB

Download
memory/1128-59-0x0000000004420000-0x0000000004524000-memory.dmp

Filesize
1.0MB

Download
memory/1128-60-0x0000000004420000-0x0000000004524000-memory.dmp

Filesize
1.0MB

Download
memory/2688-1-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2688-6-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2688-10-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2688-13-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2688-23-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2688-12-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2688-4-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2688-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2688-2-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2688-5-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2688-7-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2932-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2932-47-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2932-41-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download