gozi | 964b46902e35f2265ff48533ef541f3783c91b2ae8716a3085b8954c68017954

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-11-2024 00:03

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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
2864	authCore.exe
2680	authCore.exe

Loads dropped DLL 3 IoCs

pid	Process
2760	cmd.exe
2760	cmd.exe
2864	authCore.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\aecahell = "C:\\Users\\Admin\\AppData\\Roaming\\authtall\\authCore.exe"	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2440 set thread context of 2292	2440	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	30
PID 2864 set thread context of 2680	2864	authCore.exe	35
PID 2680 set thread context of 2280	2680	authCore.exe	36
PID 2280 set thread context of 1192	2280	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	authCore.exe
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	authCore.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2680	authCore.exe
1192	Explorer.EXE

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2680	authCore.exe
2280	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1192	Explorer.EXE

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 2292	2440	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	30
PID 2440 wrote to memory of 2292	2440	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	30
PID 2440 wrote to memory of 2292	2440	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	30
PID 2440 wrote to memory of 2292	2440	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	30
PID 2440 wrote to memory of 2292	2440	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	30
PID 2440 wrote to memory of 2292	2440	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	30
PID 2440 wrote to memory of 2292	2440	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	30
PID 2440 wrote to memory of 2292	2440	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	30
PID 2440 wrote to memory of 2292	2440	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	30
PID 2440 wrote to memory of 2292	2440	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	30
PID 2440 wrote to memory of 2292	2440	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	30
PID 2292 wrote to memory of 2612	2292	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	31
PID 2292 wrote to memory of 2612	2292	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	31
PID 2292 wrote to memory of 2612	2292	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	31
PID 2292 wrote to memory of 2612	2292	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	31
PID 2612 wrote to memory of 2760	2612	cmd.exe	33
PID 2612 wrote to memory of 2760	2612	cmd.exe	33
PID 2612 wrote to memory of 2760	2612	cmd.exe	33
PID 2612 wrote to memory of 2760	2612	cmd.exe	33
PID 2760 wrote to memory of 2864	2760	cmd.exe	34
PID 2760 wrote to memory of 2864	2760	cmd.exe	34
PID 2760 wrote to memory of 2864	2760	cmd.exe	34
PID 2760 wrote to memory of 2864	2760	cmd.exe	34
PID 2864 wrote to memory of 2680	2864	authCore.exe	35
PID 2864 wrote to memory of 2680	2864	authCore.exe	35
PID 2864 wrote to memory of 2680	2864	authCore.exe	35
PID 2864 wrote to memory of 2680	2864	authCore.exe	35
PID 2864 wrote to memory of 2680	2864	authCore.exe	35
PID 2864 wrote to memory of 2680	2864	authCore.exe	35
PID 2864 wrote to memory of 2680	2864	authCore.exe	35
PID 2864 wrote to memory of 2680	2864	authCore.exe	35
PID 2864 wrote to memory of 2680	2864	authCore.exe	35
PID 2864 wrote to memory of 2680	2864	authCore.exe	35
PID 2864 wrote to memory of 2680	2864	authCore.exe	35
PID 2680 wrote to memory of 2280	2680	authCore.exe	36
PID 2680 wrote to memory of 2280	2680	authCore.exe	36
PID 2680 wrote to memory of 2280	2680	authCore.exe	36
PID 2680 wrote to memory of 2280	2680	authCore.exe	36
PID 2680 wrote to memory of 2280	2680	authCore.exe	36
PID 2680 wrote to memory of 2280	2680	authCore.exe	36
PID 2680 wrote to memory of 2280	2680	authCore.exe	36
PID 2280 wrote to memory of 1192	2280	svchost.exe	21
PID 2280 wrote to memory of 1192	2280	svchost.exe	21
PID 2280 wrote to memory of 1192	2280	svchost.exe	21

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1192
- 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:2440
- - 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:2292
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\FC78\FE3C.bat" "C:\Users\Admin\AppData\Roaming\authtall\authCore.exe" "C:\Users\Admin\AppData\Local\Temp\49B840~1.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\authtall\authCore.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:2760
      - C:\Users\Admin\AppData\Roaming\authtall\authCore.exe
        
        "C:\Users\Admin\AppData\Roaming\authtall\authCore.exe" "C:\Users\Admin\AppData\Local\Temp\49B840~1.EXE"
        6⤵
        Executes dropped EXE
        Loads dropped DLL
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2864
        
        C:\Users\Admin\AppData\Roaming\authtall\authCore.exe
        
        "C:\Users\Admin\AppData\Roaming\authtall\authCore.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:2680
        
        C:\Windows\system32\svchost.exe
        
        C:\Windows\system32\svchost.exe
        8⤵
        Suspicious use of SetThreadContext
        Suspicious behavior: MapViewOfSection
        Suspicious use of WriteProcessMemory
        
        PID:2280

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\FC78\FE3C.bat

Filesize
112B

MD5
d96cc54d4bccfdfce75e9d14dae04d41

SHA1
8380ae7515bb836ed8f005221cbbc49a95bd3577

SHA256
8adc31338814c438767e5ef83e1b888e1ecba7ab902708e78b40fbe01fa50623

SHA512
01594c1891ba35aee49a25f5a6a2e694cee70cfc3511ad7cc25021672cc9147cc79c633b5d2a0ce703b1047f63a66bda0d6ad64bfa091a23aba68430acfed7f0

Download Submit
\Users\Admin\AppData\Roaming\authtall\authCore.exe

Filesize
507KB

MD5
6e352a6e96db293f487d1c1996f7ca60

SHA1
887a357a96b9dbb428b6b776a3ec8ca8de746f18

SHA256
49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6

SHA512
bad3b109707b7ba714ccfd41109d6defe9aa2c651cd7dd8c91f536622fa52394071e858a81a2844421a56219527737d395580ea73e250f6cb44c4c1c4959351d

Download Submit
memory/1192-70-0x0000000005270000-0x0000000005374000-memory.dmp

Filesize
1.0MB

Download
memory/1192-71-0x0000000005270000-0x0000000005374000-memory.dmp

Filesize
1.0MB

Download
memory/1192-73-0x0000000005270000-0x0000000005374000-memory.dmp

Filesize
1.0MB

Download
memory/1192-72-0x0000000005270000-0x0000000005374000-memory.dmp

Filesize
1.0MB

Download
memory/1192-62-0x0000000005270000-0x0000000005374000-memory.dmp

Filesize
1.0MB

Download
memory/2280-54-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp

Filesize
4KB

Download
memory/2280-57-0x0000000000470000-0x0000000000574000-memory.dmp

Filesize
1.0MB

Download
memory/2280-66-0x0000000000470000-0x0000000000574000-memory.dmp

Filesize
1.0MB

Download
memory/2292-3-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2292-27-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2292-14-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2292-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2292-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2292-10-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2292-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2292-4-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2292-6-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2292-8-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2292-17-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2680-53-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2680-59-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download