gozi | c4306a893b5f4df70606734d8500db80eb1433202e6e83736f3d73bed7c2859a

General

Target

c4306a893b5f4df70606734d8500db80eb1433202e6e83736f3d73bed7c2859a.exe
Size

320KB
MD5

def04259b8761a1f314b3311661f6965
SHA1

d2ab227180b60863e88dfdb07cf9b43bf7c2aaf1
SHA256

c4306a893b5f4df70606734d8500db80eb1433202e6e83736f3d73bed7c2859a
SHA512

6ebb7043238bad952146638e82a37b434c889202fcb2f6c1a14bb5fd477efa85ae929a1d9708437a5d5ac0efde5eeb482b3d5e5e07612e990f52246dda5b5921
SSDEEP

6144:tRZq3EI7T9bMrBtl8Tln0OYZn855osyIoENdwT5kD:Zq3H/9bMdtl8JA7Tu

Score

10^/10

gozi 1080 banker discovery isfb persistence trojan

Malware Config

Extracted

Family

gozi

Botnet

1080

C2

newsnortonscheck.com

woofboots.com

broosnoops.pw

Attributes

exe_type
worker
server_id
12

rsa_pubkey.plain

serpent.plain

Extracted

Family

gozi

Signatures

Gozi
Gozi is a well-known and widely distributed banking trojan.
banker trojan gozi
Gozi family
gozi

Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe

Deletes itself 1 IoCs

pid	Process
2244	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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\CHxRSCOM = "C:\\Windows\\system32\\C_G1mf32.exe"	c4306a893b5f4df70606734d8500db80eb1433202e6e83736f3d73bed7c2859a.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system32\C_G1mf32.exe	c4306a893b5f4df70606734d8500db80eb1433202e6e83736f3d73bed7c2859a.exe
File opened for modification	C:\Windows\system32\C_G1mf32.exe	c4306a893b5f4df70606734d8500db80eb1433202e6e83736f3d73bed7c2859a.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2204 set thread context of 2916	2204	c4306a893b5f4df70606734d8500db80eb1433202e6e83736f3d73bed7c2859a.exe	30

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 3 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	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c4306a893b5f4df70606734d8500db80eb1433202e6e83736f3d73bed7c2859a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2204	c4306a893b5f4df70606734d8500db80eb1433202e6e83736f3d73bed7c2859a.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2916	explorer.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2204	c4306a893b5f4df70606734d8500db80eb1433202e6e83736f3d73bed7c2859a.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2916	explorer.exe
Token: SeShutdownPrivilege	2916	explorer.exe
Token: SeShutdownPrivilege	2916	explorer.exe
Token: SeShutdownPrivilege	2916	explorer.exe
Token: SeShutdownPrivilege	2916	explorer.exe
Token: SeShutdownPrivilege	2916	explorer.exe
Token: SeShutdownPrivilege	2916	explorer.exe
Token: SeShutdownPrivilege	2916	explorer.exe
Token: SeShutdownPrivilege	2916	explorer.exe
Token: SeShutdownPrivilege	2916	explorer.exe
Token: SeShutdownPrivilege	2916	explorer.exe
Token: SeShutdownPrivilege	2916	explorer.exe

Suspicious use of FindShellTrayWindow 27 IoCs

pid	Process
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe

Suspicious use of SendNotifyMessage 18 IoCs

pid	Process
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe
2916	explorer.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 2916	2204	c4306a893b5f4df70606734d8500db80eb1433202e6e83736f3d73bed7c2859a.exe	30
PID 2204 wrote to memory of 2916	2204	c4306a893b5f4df70606734d8500db80eb1433202e6e83736f3d73bed7c2859a.exe	30
PID 2204 wrote to memory of 2916	2204	c4306a893b5f4df70606734d8500db80eb1433202e6e83736f3d73bed7c2859a.exe	30
PID 2204 wrote to memory of 2916	2204	c4306a893b5f4df70606734d8500db80eb1433202e6e83736f3d73bed7c2859a.exe	30
PID 2204 wrote to memory of 2916	2204	c4306a893b5f4df70606734d8500db80eb1433202e6e83736f3d73bed7c2859a.exe	30
PID 2204 wrote to memory of 2916	2204	c4306a893b5f4df70606734d8500db80eb1433202e6e83736f3d73bed7c2859a.exe	30
PID 2204 wrote to memory of 2916	2204	c4306a893b5f4df70606734d8500db80eb1433202e6e83736f3d73bed7c2859a.exe	30
PID 2204 wrote to memory of 2244	2204	c4306a893b5f4df70606734d8500db80eb1433202e6e83736f3d73bed7c2859a.exe	32
PID 2204 wrote to memory of 2244	2204	c4306a893b5f4df70606734d8500db80eb1433202e6e83736f3d73bed7c2859a.exe	32
PID 2204 wrote to memory of 2244	2204	c4306a893b5f4df70606734d8500db80eb1433202e6e83736f3d73bed7c2859a.exe	32
PID 2204 wrote to memory of 2244	2204	c4306a893b5f4df70606734d8500db80eb1433202e6e83736f3d73bed7c2859a.exe	32
PID 2244 wrote to memory of 2760	2244	cmd.exe	34
PID 2244 wrote to memory of 2760	2244	cmd.exe	34
PID 2244 wrote to memory of 2760	2244	cmd.exe	34
PID 2244 wrote to memory of 2760	2244	cmd.exe	34

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2760	attrib.exe

C:\Users\Admin\AppData\Local\Temp\c4306a893b5f4df70606734d8500db80eb1433202e6e83736f3d73bed7c2859a.exe
"C:\Users\Admin\AppData\Local\Temp\c4306a893b5f4df70606734d8500db80eb1433202e6e83736f3d73bed7c2859a.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Windows\explorer.exe
  C:\Windows\explorer.exe
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:2916
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\ED2A.bat" "C:\Users\Admin\AppData\Local\Temp\C4306A~1.EXE""
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2244
- - C:\Windows\SysWOW64\attrib.exe
    attrib -r -s -h "C:\Users\Admin\AppData\Local\Temp\C4306A~1.EXE"
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Hide Artifacts

1

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\ED2A.bat

Filesize
76B

MD5
34ad4bed154056943e7036ee6fbd1ae7

SHA1
e30167be11f071fdb59d28a96a2d0206bdef7bd8

SHA256
3c7e043f55e4cdcddcca852059ff54c76123e55af66abfd0e488f54b952466bf

SHA512
c294de30d9cab906ef215c88dbc1f97b173bd21cde0f9123973c78dbd1ce0883c4c0b06139e0462a9def3cee95e02af135d2c7d1296efc58dcd4b8d44aed55c6

Download Submit
memory/2204-0-0x00000000003B0000-0x00000000003C6000-memory.dmp

Filesize
88KB

Download
memory/2204-1-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/2204-24-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2916-11-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2916-12-0x0000000001EF0000-0x0000000001F55000-memory.dmp

Filesize
404KB

Download
memory/2916-6-0x0000000001EF0000-0x0000000001F55000-memory.dmp

Filesize
404KB

Download
memory/2916-16-0x0000000001EF0000-0x0000000001F55000-memory.dmp

Filesize
404KB

Download
memory/2916-15-0x0000000001EF0000-0x0000000001F55000-memory.dmp

Filesize
404KB

Download
memory/2916-14-0x0000000001EF0000-0x0000000001F55000-memory.dmp

Filesize
404KB

Download
memory/2916-4-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2916-5-0x000007FFFFFD7000-0x000007FFFFFD8000-memory.dmp

Filesize
4KB

Download
memory/2916-26-0x0000000001EF0000-0x0000000001F55000-memory.dmp

Filesize
404KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads