gozi | 353d1ff8458be2cca30bde07b8982e8935065994ab658dd85857584fdbc1ad6b

Analysis

max time kernel
300s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-11-2024 20:50

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General

Target

49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe
Size

507KB
MD5

6e352a6e96db293f487d1c1996f7ca60
SHA1

887a357a96b9dbb428b6b776a3ec8ca8de746f18
SHA256

49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6
SHA512

bad3b109707b7ba714ccfd41109d6defe9aa2c651cd7dd8c91f536622fa52394071e858a81a2844421a56219527737d395580ea73e250f6cb44c4c1c4959351d
SSDEEP

12288:IEi3NId2zO8PW418jZZUozZuzYgwz3r14Y07KCJ:GrdZ+tZlVUYBzB0KC

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
1044	appmters.exe
2224	appmters.exe

Loads dropped DLL 2 IoCs

pid	Process
2600	cmd.exe
2600	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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\BioCutil = "C:\\Users\\Admin\\AppData\\Roaming\\comrdemx\\appmters.exe"	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2696 set thread context of 2824	2696	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	30
PID 1044 set thread context of 2224	1044	appmters.exe	35
PID 2224 set thread context of 1004	2224	appmters.exe	36
PID 1004 set thread context of 1164	1004	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	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.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	appmters.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	appmters.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2224	appmters.exe
1164	Explorer.EXE

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2224	appmters.exe
1004	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1164	Explorer.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1164	Explorer.EXE

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 2696 wrote to memory of 2824	2696	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	30
PID 2696 wrote to memory of 2824	2696	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	30
PID 2696 wrote to memory of 2824	2696	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	30
PID 2696 wrote to memory of 2824	2696	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	30
PID 2696 wrote to memory of 2824	2696	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	30
PID 2696 wrote to memory of 2824	2696	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	30
PID 2696 wrote to memory of 2824	2696	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	30
PID 2696 wrote to memory of 2824	2696	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	30
PID 2696 wrote to memory of 2824	2696	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	30
PID 2696 wrote to memory of 2824	2696	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	30
PID 2696 wrote to memory of 2824	2696	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	30
PID 2824 wrote to memory of 2624	2824	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	31
PID 2824 wrote to memory of 2624	2824	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	31
PID 2824 wrote to memory of 2624	2824	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	31
PID 2824 wrote to memory of 2624	2824	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	31
PID 2624 wrote to memory of 2600	2624	cmd.exe	33
PID 2624 wrote to memory of 2600	2624	cmd.exe	33
PID 2624 wrote to memory of 2600	2624	cmd.exe	33
PID 2624 wrote to memory of 2600	2624	cmd.exe	33
PID 2600 wrote to memory of 1044	2600	cmd.exe	34
PID 2600 wrote to memory of 1044	2600	cmd.exe	34
PID 2600 wrote to memory of 1044	2600	cmd.exe	34
PID 2600 wrote to memory of 1044	2600	cmd.exe	34
PID 1044 wrote to memory of 2224	1044	appmters.exe	35
PID 1044 wrote to memory of 2224	1044	appmters.exe	35
PID 1044 wrote to memory of 2224	1044	appmters.exe	35
PID 1044 wrote to memory of 2224	1044	appmters.exe	35
PID 1044 wrote to memory of 2224	1044	appmters.exe	35
PID 1044 wrote to memory of 2224	1044	appmters.exe	35
PID 1044 wrote to memory of 2224	1044	appmters.exe	35
PID 1044 wrote to memory of 2224	1044	appmters.exe	35
PID 1044 wrote to memory of 2224	1044	appmters.exe	35
PID 1044 wrote to memory of 2224	1044	appmters.exe	35
PID 1044 wrote to memory of 2224	1044	appmters.exe	35
PID 2224 wrote to memory of 1004	2224	appmters.exe	36
PID 2224 wrote to memory of 1004	2224	appmters.exe	36
PID 2224 wrote to memory of 1004	2224	appmters.exe	36
PID 2224 wrote to memory of 1004	2224	appmters.exe	36
PID 2224 wrote to memory of 1004	2224	appmters.exe	36
PID 2224 wrote to memory of 1004	2224	appmters.exe	36
PID 2224 wrote to memory of 1004	2224	appmters.exe	36
PID 1004 wrote to memory of 1164	1004	svchost.exe	21
PID 1004 wrote to memory of 1164	1004	svchost.exe	21
PID 1004 wrote to memory of 1164	1004	svchost.exe	21

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1164
- C:\Users\Admin\AppData\Local\Temp\49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe
  "C:\Users\Admin\AppData\Local\Temp\49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2696
- - C:\Users\Admin\AppData\Local\Temp\49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe
    "C:\Users\Admin\AppData\Local\Temp\49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe"
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2824
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\BEFC\5F7E.bat" "C:\Users\Admin\AppData\Roaming\comrdemx\appmters.exe" "C:\Users\Admin\AppData\Local\Temp\49B840~1.EXE""
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2624
    - - C:\Windows\SysWOW64\cmd.exe
        
        cmd /C ""C:\Users\Admin\AppData\Roaming\comrdemx\appmters.exe" "C:\Users\Admin\AppData\Local\Temp\49B840~1.EXE""
        5⤵
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2600
      - C:\Users\Admin\AppData\Roaming\comrdemx\appmters.exe
        
        "C:\Users\Admin\AppData\Roaming\comrdemx\appmters.exe" "C:\Users\Admin\AppData\Local\Temp\49B840~1.EXE"
        6⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1044
        
        C:\Users\Admin\AppData\Roaming\comrdemx\appmters.exe
        
        "C:\Users\Admin\AppData\Roaming\comrdemx\appmters.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:2224
        
        C:\Windows\system32\svchost.exe
        
        C:\Windows\system32\svchost.exe
        8⤵
        Suspicious use of SetThreadContext
        Suspicious behavior: MapViewOfSection
        Suspicious use of WriteProcessMemory
        
        PID:1004

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\BEFC\5F7E.bat

Filesize
112B

MD5
d063eb1e0703df75ad9d98f1726b1183

SHA1
c158b6dec4ea081b4ef840b8b31842f3ee2f7d38

SHA256
9d8c7a6262b9777a56bc18a602320b3af8a55d19fa8ae83c218b4ecf8c980818

SHA512
9fdbd6fca19507def0786cc3128856799396b9402ab0574080338b4f3682bc0d3929411176ff004aab91208695604af3d0000649408287516a0d6bfd0f1f0b3c

Download Submit
C:\Users\Admin\AppData\Roaming\comrdemx\appmters.exe

Filesize
507KB

MD5
6e352a6e96db293f487d1c1996f7ca60

SHA1
887a357a96b9dbb428b6b776a3ec8ca8de746f18

SHA256
49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6

SHA512
bad3b109707b7ba714ccfd41109d6defe9aa2c651cd7dd8c91f536622fa52394071e858a81a2844421a56219527737d395580ea73e250f6cb44c4c1c4959351d

Download Submit
memory/1004-61-0x0000000000510000-0x0000000000614000-memory.dmp

Filesize
1.0MB

Download
memory/1004-56-0x0000000000510000-0x0000000000614000-memory.dmp

Filesize
1.0MB

Download
memory/1004-53-0x000007FFFFFD4000-0x000007FFFFFD5000-memory.dmp

Filesize
4KB

Download
memory/1164-70-0x00000000069C0000-0x0000000006AC4000-memory.dmp

Filesize
1.0MB

Download
memory/1164-71-0x00000000069C0000-0x0000000006AC4000-memory.dmp

Filesize
1.0MB

Download
memory/1164-72-0x00000000069C0000-0x0000000006AC4000-memory.dmp

Filesize
1.0MB

Download
memory/1164-73-0x00000000069C0000-0x0000000006AC4000-memory.dmp

Filesize
1.0MB

Download
memory/1164-62-0x00000000069C0000-0x0000000006AC4000-memory.dmp

Filesize
1.0MB

Download
memory/2224-60-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2224-52-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2824-27-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2824-2-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2824-4-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2824-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2824-6-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2824-8-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2824-10-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2824-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2824-17-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2824-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2824-14-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download