gozi | 964b46902e35f2265ff48533ef541f3783c91b2ae8716a3085b8954c68017954

Analysis

max time kernel
1800s
max time network
1803s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-11-2024 20:53

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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
2248	appmters.exe
3028	appmters.exe

Loads dropped DLL 2 IoCs

pid	Process
2368	cmd.exe
2368	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 2596 set thread context of 1912	2596	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	31
PID 2248 set thread context of 3028	2248	appmters.exe	36
PID 3028 set thread context of 2500	3028	appmters.exe	37
PID 2500 set thread context of 1200	2500	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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3028	appmters.exe
1200	Explorer.EXE

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
3028	appmters.exe
2500	svchost.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1200	Explorer.EXE
Token: SeShutdownPrivilege	1200	Explorer.EXE
Token: SeShutdownPrivilege	1200	Explorer.EXE
Token: SeShutdownPrivilege	1200	Explorer.EXE
Token: SeShutdownPrivilege	1200	Explorer.EXE
Token: SeShutdownPrivilege	1200	Explorer.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1200	Explorer.EXE

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 1912	2596	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	31
PID 2596 wrote to memory of 1912	2596	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	31
PID 2596 wrote to memory of 1912	2596	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	31
PID 2596 wrote to memory of 1912	2596	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	31
PID 2596 wrote to memory of 1912	2596	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	31
PID 2596 wrote to memory of 1912	2596	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	31
PID 2596 wrote to memory of 1912	2596	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	31
PID 2596 wrote to memory of 1912	2596	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	31
PID 2596 wrote to memory of 1912	2596	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	31
PID 2596 wrote to memory of 1912	2596	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	31
PID 2596 wrote to memory of 1912	2596	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	31
PID 1912 wrote to memory of 2640	1912	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	32
PID 1912 wrote to memory of 2640	1912	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	32
PID 1912 wrote to memory of 2640	1912	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	32
PID 1912 wrote to memory of 2640	1912	49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6.exe	32
PID 2640 wrote to memory of 2368	2640	cmd.exe	34
PID 2640 wrote to memory of 2368	2640	cmd.exe	34
PID 2640 wrote to memory of 2368	2640	cmd.exe	34
PID 2640 wrote to memory of 2368	2640	cmd.exe	34
PID 2368 wrote to memory of 2248	2368	cmd.exe	35
PID 2368 wrote to memory of 2248	2368	cmd.exe	35
PID 2368 wrote to memory of 2248	2368	cmd.exe	35
PID 2368 wrote to memory of 2248	2368	cmd.exe	35
PID 2248 wrote to memory of 3028	2248	appmters.exe	36
PID 2248 wrote to memory of 3028	2248	appmters.exe	36
PID 2248 wrote to memory of 3028	2248	appmters.exe	36
PID 2248 wrote to memory of 3028	2248	appmters.exe	36
PID 2248 wrote to memory of 3028	2248	appmters.exe	36
PID 2248 wrote to memory of 3028	2248	appmters.exe	36
PID 2248 wrote to memory of 3028	2248	appmters.exe	36
PID 2248 wrote to memory of 3028	2248	appmters.exe	36
PID 2248 wrote to memory of 3028	2248	appmters.exe	36
PID 2248 wrote to memory of 3028	2248	appmters.exe	36
PID 2248 wrote to memory of 3028	2248	appmters.exe	36
PID 3028 wrote to memory of 2500	3028	appmters.exe	37
PID 3028 wrote to memory of 2500	3028	appmters.exe	37
PID 3028 wrote to memory of 2500	3028	appmters.exe	37
PID 3028 wrote to memory of 2500	3028	appmters.exe	37
PID 3028 wrote to memory of 2500	3028	appmters.exe	37
PID 3028 wrote to memory of 2500	3028	appmters.exe	37
PID 3028 wrote to memory of 2500	3028	appmters.exe	37
PID 2500 wrote to memory of 1200	2500	svchost.exe	21
PID 2500 wrote to memory of 1200	2500	svchost.exe	21
PID 2500 wrote to memory of 1200	2500	svchost.exe	21

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1200
- 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:2596
- - 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:1912
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\4CE8\F0.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:2640
    - - 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:2368
      - 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:2248
        
        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:3028
        
        C:\Windows\system32\svchost.exe
        
        C:\Windows\system32\svchost.exe
        8⤵
        Suspicious use of SetThreadContext
        Suspicious behavior: MapViewOfSection
        Suspicious use of WriteProcessMemory
        
        PID:2500

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\4CE8\F0.bat

Filesize
112B

MD5
c4c8faf9c25d1f5d1ee28697738af894

SHA1
362996cfa5803e61542317c0ed3fba5962499ff5

SHA256
edd2702c44af59a9fb572989ffbd6ef392e50e83db126162958674715afcb8ee

SHA512
9958b789291b29a7a61665af3a3cd4f7bd087e7b1a45566d94541e1361c47f4713c5e9e9e0809d268062279487dcf97ae201732c7e2fe5c1df62ef5962036740

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

Filesize
507KB

MD5
6e352a6e96db293f487d1c1996f7ca60

SHA1
887a357a96b9dbb428b6b776a3ec8ca8de746f18

SHA256
49b84085b7cc731d39fda5a6c15d8bedf3051f3e3f8792f4a50220ebdbf1a4c6

SHA512
bad3b109707b7ba714ccfd41109d6defe9aa2c651cd7dd8c91f536622fa52394071e858a81a2844421a56219527737d395580ea73e250f6cb44c4c1c4959351d

Download Submit
memory/1200-65-0x0000000006AB0000-0x0000000006BB4000-memory.dmp

Filesize
1.0MB

Download
memory/1200-75-0x0000000006AB0000-0x0000000006BB4000-memory.dmp

Filesize
1.0MB

Download
memory/1200-71-0x0000000006AB0000-0x0000000006BB4000-memory.dmp

Filesize
1.0MB

Download
memory/1200-72-0x0000000006AB0000-0x0000000006BB4000-memory.dmp

Filesize
1.0MB

Download
memory/1200-73-0x0000000006AB0000-0x0000000006BB4000-memory.dmp

Filesize
1.0MB

Download
memory/1200-74-0x0000000006AB0000-0x0000000006BB4000-memory.dmp

Filesize
1.0MB

Download
memory/1912-4-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1912-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1912-10-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1912-29-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1912-14-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1912-8-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1912-6-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1912-2-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1912-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1912-17-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1912-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2500-62-0x00000000004F0000-0x00000000005F4000-memory.dmp

Filesize
1.0MB

Download
memory/2500-57-0x00000000004F0000-0x00000000005F4000-memory.dmp

Filesize
1.0MB

Download
memory/2500-54-0x000007FFFFFDB000-0x000007FFFFFDC000-memory.dmp

Filesize
4KB

Download
memory/3028-61-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/3028-53-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download