gozi | 964b46902e35f2265ff48533ef541f3783c91b2ae8716a3085b8954c68017954

Analysis

max time kernel
58s
max time network
23s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
04-11-2024 00:03

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General

Target

639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe
Size

511KB
MD5

afb4846bd287f31e6297cb4095aece65
SHA1

b92d682a800d82ff6e980deae88f6cb7e048c11d
SHA256

639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d
SHA512

8f5b3062a7f4faada34001bbe8510235d20b3d507ee0858ef23db92853f31a3075c60e37738a93e1385995199c9d99dccb7e547247fc9af5b8a8f3557d03d070
SSDEEP

12288:nTY7/WAuLAOOxsgfj40bDKg0m7t4is8jYar:kusO+RDKgJBnsgYa

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
1852	comrdemx.exe
2388	comrdemx.exe

Loads dropped DLL 2 IoCs

pid	Process
3004	cmd.exe
3004	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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\appmters = "C:\\Users\\Admin\\AppData\\Roaming\\AltTeSvr\\comrdemx.exe"	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2300 set thread context of 2780	2300	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe	30
PID 1852 set thread context of 2388	1852	comrdemx.exe	35
PID 2388 set thread context of 2056	2388	comrdemx.exe	36
PID 2056 set thread context of 1396	2056	svchost.exe	21

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	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	comrdemx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	comrdemx.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2388	comrdemx.exe
1396	Explorer.EXE

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2388	comrdemx.exe
2056	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1396	Explorer.EXE

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 2780	2300	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe	30
PID 2300 wrote to memory of 2780	2300	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe	30
PID 2300 wrote to memory of 2780	2300	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe	30
PID 2300 wrote to memory of 2780	2300	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe	30
PID 2300 wrote to memory of 2780	2300	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe	30
PID 2300 wrote to memory of 2780	2300	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe	30
PID 2300 wrote to memory of 2780	2300	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe	30
PID 2300 wrote to memory of 2780	2300	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe	30
PID 2300 wrote to memory of 2780	2300	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe	30
PID 2300 wrote to memory of 2780	2300	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe	30
PID 2300 wrote to memory of 2780	2300	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe	30
PID 2780 wrote to memory of 2956	2780	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe	31
PID 2780 wrote to memory of 2956	2780	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe	31
PID 2780 wrote to memory of 2956	2780	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe	31
PID 2780 wrote to memory of 2956	2780	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe	31
PID 2956 wrote to memory of 3004	2956	cmd.exe	33
PID 2956 wrote to memory of 3004	2956	cmd.exe	33
PID 2956 wrote to memory of 3004	2956	cmd.exe	33
PID 2956 wrote to memory of 3004	2956	cmd.exe	33
PID 3004 wrote to memory of 1852	3004	cmd.exe	34
PID 3004 wrote to memory of 1852	3004	cmd.exe	34
PID 3004 wrote to memory of 1852	3004	cmd.exe	34
PID 3004 wrote to memory of 1852	3004	cmd.exe	34
PID 1852 wrote to memory of 2388	1852	comrdemx.exe	35
PID 1852 wrote to memory of 2388	1852	comrdemx.exe	35
PID 1852 wrote to memory of 2388	1852	comrdemx.exe	35
PID 1852 wrote to memory of 2388	1852	comrdemx.exe	35
PID 1852 wrote to memory of 2388	1852	comrdemx.exe	35
PID 1852 wrote to memory of 2388	1852	comrdemx.exe	35
PID 1852 wrote to memory of 2388	1852	comrdemx.exe	35
PID 1852 wrote to memory of 2388	1852	comrdemx.exe	35
PID 1852 wrote to memory of 2388	1852	comrdemx.exe	35
PID 1852 wrote to memory of 2388	1852	comrdemx.exe	35
PID 1852 wrote to memory of 2388	1852	comrdemx.exe	35
PID 2388 wrote to memory of 2056	2388	comrdemx.exe	36
PID 2388 wrote to memory of 2056	2388	comrdemx.exe	36
PID 2388 wrote to memory of 2056	2388	comrdemx.exe	36
PID 2388 wrote to memory of 2056	2388	comrdemx.exe	36
PID 2388 wrote to memory of 2056	2388	comrdemx.exe	36
PID 2388 wrote to memory of 2056	2388	comrdemx.exe	36
PID 2388 wrote to memory of 2056	2388	comrdemx.exe	36
PID 2056 wrote to memory of 1396	2056	svchost.exe	21
PID 2056 wrote to memory of 1396	2056	svchost.exe	21
PID 2056 wrote to memory of 1396	2056	svchost.exe	21

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1396
- C:\Users\Admin\AppData\Local\Temp\639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe
  "C:\Users\Admin\AppData\Local\Temp\639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2300
- - C:\Users\Admin\AppData\Local\Temp\639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe
    "C:\Users\Admin\AppData\Local\Temp\639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe"
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2780
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\70FC\387E.bat" "C:\Users\Admin\AppData\Roaming\AltTeSvr\comrdemx.exe" "C:\Users\Admin\AppData\Local\Temp\639A86~1.EXE""
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2956
    - - C:\Windows\SysWOW64\cmd.exe
        
        cmd /C ""C:\Users\Admin\AppData\Roaming\AltTeSvr\comrdemx.exe" "C:\Users\Admin\AppData\Local\Temp\639A86~1.EXE""
        5⤵
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:3004
      - C:\Users\Admin\AppData\Roaming\AltTeSvr\comrdemx.exe
        
        "C:\Users\Admin\AppData\Roaming\AltTeSvr\comrdemx.exe" "C:\Users\Admin\AppData\Local\Temp\639A86~1.EXE"
        6⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1852
        
        C:\Users\Admin\AppData\Roaming\AltTeSvr\comrdemx.exe
        
        "C:\Users\Admin\AppData\Roaming\AltTeSvr\comrdemx.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:2388
        
        C:\Windows\system32\svchost.exe
        
        C:\Windows\system32\svchost.exe
        8⤵
        Suspicious use of SetThreadContext
        Suspicious behavior: MapViewOfSection
        Suspicious use of WriteProcessMemory
        
        PID:2056

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\70FC\387E.bat

Filesize
112B

MD5
e44c2a13511eae6d8c6628fb6a593ad3

SHA1
71ac9f5a5102b2cb7fa6800b99a0098569310836

SHA256
e4cd3a8f67fbf58cb0c35ea38e593d93344e947908c23a12f5199e916a1dec63

SHA512
ca0f3e8fad12c8a0af4acdce998f57e90ef573c3a3dae6fb93ff2f088f8574db59f6e1e36c67f597d31faeab4a5df53b10543a8375f49380093da76b5a12ae6d

Download Submit
\Users\Admin\AppData\Roaming\AltTeSvr\comrdemx.exe

Filesize
511KB

MD5
afb4846bd287f31e6297cb4095aece65

SHA1
b92d682a800d82ff6e980deae88f6cb7e048c11d

SHA256
639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d

SHA512
8f5b3062a7f4faada34001bbe8510235d20b3d507ee0858ef23db92853f31a3075c60e37738a93e1385995199c9d99dccb7e547247fc9af5b8a8f3557d03d070

Download Submit
memory/1396-62-0x00000000077D0000-0x00000000078D4000-memory.dmp

Filesize
1.0MB

Download
memory/1396-71-0x00000000077D0000-0x00000000078D4000-memory.dmp

Filesize
1.0MB

Download
memory/1396-72-0x00000000077D0000-0x00000000078D4000-memory.dmp

Filesize
1.0MB

Download
memory/1396-74-0x00000000077D0000-0x00000000078D4000-memory.dmp

Filesize
1.0MB

Download
memory/1396-73-0x00000000077D0000-0x00000000078D4000-memory.dmp

Filesize
1.0MB

Download
memory/2056-63-0x0000000000430000-0x0000000000534000-memory.dmp

Filesize
1.0MB

Download
memory/2056-57-0x0000000000430000-0x0000000000534000-memory.dmp

Filesize
1.0MB

Download
memory/2056-54-0x000007FFFFFD8000-0x000007FFFFFD9000-memory.dmp

Filesize
4KB

Download
memory/2388-59-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2388-53-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2780-29-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2780-8-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2780-10-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2780-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2780-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2780-2-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2780-4-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2780-17-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2780-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2780-6-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2780-14-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download