gozi | 353d1ff8458be2cca30bde07b8982e8935065994ab658dd85857584fdbc1ad6b

Analysis

max time kernel
300s
max time network
241s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
03-11-2024 20:50

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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
2756	comrdemx.exe
1700	comrdemx.exe

Loads dropped DLL 2 IoCs

pid	Process
2872	cmd.exe
2872	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 528 set thread context of 2964	528	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe	30
PID 2756 set thread context of 1700	2756	comrdemx.exe	35
PID 1700 set thread context of 2288	1700	comrdemx.exe	36
PID 2288 set thread context of 1248	2288	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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1700	comrdemx.exe
1248	Explorer.EXE

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1700	comrdemx.exe
2288	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1248	Explorer.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1248	Explorer.EXE

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 528 wrote to memory of 2964	528	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe	30
PID 528 wrote to memory of 2964	528	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe	30
PID 528 wrote to memory of 2964	528	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe	30
PID 528 wrote to memory of 2964	528	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe	30
PID 528 wrote to memory of 2964	528	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe	30
PID 528 wrote to memory of 2964	528	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe	30
PID 528 wrote to memory of 2964	528	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe	30
PID 528 wrote to memory of 2964	528	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe	30
PID 528 wrote to memory of 2964	528	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe	30
PID 528 wrote to memory of 2964	528	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe	30
PID 528 wrote to memory of 2964	528	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe	30
PID 2964 wrote to memory of 2216	2964	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe	31
PID 2964 wrote to memory of 2216	2964	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe	31
PID 2964 wrote to memory of 2216	2964	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe	31
PID 2964 wrote to memory of 2216	2964	639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d.exe	31
PID 2216 wrote to memory of 2872	2216	cmd.exe	33
PID 2216 wrote to memory of 2872	2216	cmd.exe	33
PID 2216 wrote to memory of 2872	2216	cmd.exe	33
PID 2216 wrote to memory of 2872	2216	cmd.exe	33
PID 2872 wrote to memory of 2756	2872	cmd.exe	34
PID 2872 wrote to memory of 2756	2872	cmd.exe	34
PID 2872 wrote to memory of 2756	2872	cmd.exe	34
PID 2872 wrote to memory of 2756	2872	cmd.exe	34
PID 2756 wrote to memory of 1700	2756	comrdemx.exe	35
PID 2756 wrote to memory of 1700	2756	comrdemx.exe	35
PID 2756 wrote to memory of 1700	2756	comrdemx.exe	35
PID 2756 wrote to memory of 1700	2756	comrdemx.exe	35
PID 2756 wrote to memory of 1700	2756	comrdemx.exe	35
PID 2756 wrote to memory of 1700	2756	comrdemx.exe	35
PID 2756 wrote to memory of 1700	2756	comrdemx.exe	35
PID 2756 wrote to memory of 1700	2756	comrdemx.exe	35
PID 2756 wrote to memory of 1700	2756	comrdemx.exe	35
PID 2756 wrote to memory of 1700	2756	comrdemx.exe	35
PID 2756 wrote to memory of 1700	2756	comrdemx.exe	35
PID 1700 wrote to memory of 2288	1700	comrdemx.exe	36
PID 1700 wrote to memory of 2288	1700	comrdemx.exe	36
PID 1700 wrote to memory of 2288	1700	comrdemx.exe	36
PID 1700 wrote to memory of 2288	1700	comrdemx.exe	36
PID 1700 wrote to memory of 2288	1700	comrdemx.exe	36
PID 1700 wrote to memory of 2288	1700	comrdemx.exe	36
PID 1700 wrote to memory of 2288	1700	comrdemx.exe	36
PID 2288 wrote to memory of 1248	2288	svchost.exe	21
PID 2288 wrote to memory of 1248	2288	svchost.exe	21
PID 2288 wrote to memory of 1248	2288	svchost.exe	21

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1248
- 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:528
- - 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:2964
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\E512\F289.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:2216
    - - 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:2872
      - 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:2756
        
        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:1700
        
        C:\Windows\system32\svchost.exe
        
        C:\Windows\system32\svchost.exe
        8⤵
        Suspicious use of SetThreadContext
        Suspicious behavior: MapViewOfSection
        Suspicious use of WriteProcessMemory
        
        PID:2288

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\E512\F289.bat

Filesize
112B

MD5
6d035997ca4b74c989f0b490126162fd

SHA1
d78d98184092f78374cc9bf4af4d6d24c5f5612c

SHA256
1d0ff939dde4099c8e34ee1b4689cf8ff03eda2c2f6317f054422503f51472f2

SHA512
edd15e35928e02d7848878cce5638995bdb25ceaa43c237aabc5c0b315eafd5b5a05ee2f9f243345873ad7cdc81400c20e012d810d8433ae6eec4708b89f5568

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

Filesize
511KB

MD5
afb4846bd287f31e6297cb4095aece65

SHA1
b92d682a800d82ff6e980deae88f6cb7e048c11d

SHA256
639a86559b0a086fe388e4309ea22e49f79362c0983df1a5b09fa477db3c463d

SHA512
8f5b3062a7f4faada34001bbe8510235d20b3d507ee0858ef23db92853f31a3075c60e37738a93e1385995199c9d99dccb7e547247fc9af5b8a8f3557d03d070

Download Submit
memory/1248-72-0x0000000007B00000-0x0000000007C04000-memory.dmp

Filesize
1.0MB

Download
memory/1248-74-0x0000000007B00000-0x0000000007C04000-memory.dmp

Filesize
1.0MB

Download
memory/1248-73-0x0000000007B00000-0x0000000007C04000-memory.dmp

Filesize
1.0MB

Download
memory/1248-71-0x0000000007B00000-0x0000000007C04000-memory.dmp

Filesize
1.0MB

Download
memory/1248-64-0x0000000007B00000-0x0000000007C04000-memory.dmp

Filesize
1.0MB

Download
memory/1700-59-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1700-53-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2288-57-0x0000000000490000-0x0000000000594000-memory.dmp

Filesize
1.0MB

Download
memory/2288-54-0x000007FFFFFD3000-0x000007FFFFFD4000-memory.dmp

Filesize
4KB

Download
memory/2288-62-0x0000000000490000-0x0000000000594000-memory.dmp

Filesize
1.0MB

Download
memory/2964-8-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2964-4-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2964-2-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2964-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2964-6-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2964-29-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2964-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2964-14-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2964-17-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2964-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2964-10-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download