gozi | fb4ef45c89a844cc3634dfa671063eaf3843e25d780f33b6268d3545096b8c54

General

Target

fb4ef45c89a844cc3634dfa671063eaf3843e25d780f33b6268d3545096b8c54N.exe
Size

320KB
MD5

7d35c8ae681e346c0857e415829f10b0
SHA1

e680f28578744bd237ca3ae96efefd0fbe67af00
SHA256

fb4ef45c89a844cc3634dfa671063eaf3843e25d780f33b6268d3545096b8c54
SHA512

8b822c2c5a4ebc52eacf2e58eb657096c41cbb2e09bc1b06d0ded6b28f2519896446d975eeea702bef41611e6659759cb647519ad8f221ef079b5cabf9a55263
SSDEEP

6144:tRZq3EI7T9bMrBtl8Tln0OYZn855osyIoENdwT5k:Zq3H/9bMdtl8JA7T

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe

Deletes itself 1 IoCs

pid	Process
2800	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\adtsgmts = "C:\\Windows\\system32\\Auditprf.exe"	fb4ef45c89a844cc3634dfa671063eaf3843e25d780f33b6268d3545096b8c54N.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\Auditprf.exe	fb4ef45c89a844cc3634dfa671063eaf3843e25d780f33b6268d3545096b8c54N.exe
File created	C:\Windows\system32\Auditprf.exe	fb4ef45c89a844cc3634dfa671063eaf3843e25d780f33b6268d3545096b8c54N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2604 set thread context of 1704	2604	fb4ef45c89a844cc3634dfa671063eaf3843e25d780f33b6268d3545096b8c54N.exe	29

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	fb4ef45c89a844cc3634dfa671063eaf3843e25d780f33b6268d3545096b8c54N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_Classes\Local Settings	explorer.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2604	fb4ef45c89a844cc3634dfa671063eaf3843e25d780f33b6268d3545096b8c54N.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1704	explorer.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2604	fb4ef45c89a844cc3634dfa671063eaf3843e25d780f33b6268d3545096b8c54N.exe

Suspicious use of AdjustPrivilegeToken 16 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1704	explorer.exe
Token: SeShutdownPrivilege	1704	explorer.exe
Token: SeShutdownPrivilege	1704	explorer.exe
Token: SeShutdownPrivilege	1704	explorer.exe
Token: SeShutdownPrivilege	1704	explorer.exe
Token: SeShutdownPrivilege	1704	explorer.exe
Token: SeShutdownPrivilege	1704	explorer.exe
Token: SeShutdownPrivilege	1704	explorer.exe
Token: SeShutdownPrivilege	1704	explorer.exe
Token: SeShutdownPrivilege	1704	explorer.exe
Token: 33	2736	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2736	AUDIODG.EXE
Token: 33	2736	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2736	AUDIODG.EXE
Token: SeShutdownPrivilege	1704	explorer.exe
Token: SeShutdownPrivilege	1704	explorer.exe

Suspicious use of FindShellTrayWindow 29 IoCs

pid	Process
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe

Suspicious use of SendNotifyMessage 19 IoCs

pid	Process
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe
1704	explorer.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 1704	2604	fb4ef45c89a844cc3634dfa671063eaf3843e25d780f33b6268d3545096b8c54N.exe	29
PID 2604 wrote to memory of 1704	2604	fb4ef45c89a844cc3634dfa671063eaf3843e25d780f33b6268d3545096b8c54N.exe	29
PID 2604 wrote to memory of 1704	2604	fb4ef45c89a844cc3634dfa671063eaf3843e25d780f33b6268d3545096b8c54N.exe	29
PID 2604 wrote to memory of 1704	2604	fb4ef45c89a844cc3634dfa671063eaf3843e25d780f33b6268d3545096b8c54N.exe	29
PID 2604 wrote to memory of 1704	2604	fb4ef45c89a844cc3634dfa671063eaf3843e25d780f33b6268d3545096b8c54N.exe	29
PID 2604 wrote to memory of 1704	2604	fb4ef45c89a844cc3634dfa671063eaf3843e25d780f33b6268d3545096b8c54N.exe	29
PID 2604 wrote to memory of 1704	2604	fb4ef45c89a844cc3634dfa671063eaf3843e25d780f33b6268d3545096b8c54N.exe	29
PID 2604 wrote to memory of 2800	2604	fb4ef45c89a844cc3634dfa671063eaf3843e25d780f33b6268d3545096b8c54N.exe	30
PID 2604 wrote to memory of 2800	2604	fb4ef45c89a844cc3634dfa671063eaf3843e25d780f33b6268d3545096b8c54N.exe	30
PID 2604 wrote to memory of 2800	2604	fb4ef45c89a844cc3634dfa671063eaf3843e25d780f33b6268d3545096b8c54N.exe	30
PID 2604 wrote to memory of 2800	2604	fb4ef45c89a844cc3634dfa671063eaf3843e25d780f33b6268d3545096b8c54N.exe	30
PID 2800 wrote to memory of 2904	2800	cmd.exe	32
PID 2800 wrote to memory of 2904	2800	cmd.exe	32
PID 2800 wrote to memory of 2904	2800	cmd.exe	32
PID 2800 wrote to memory of 2904	2800	cmd.exe	32

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
2904	attrib.exe

C:\Users\Admin\AppData\Local\Temp\fb4ef45c89a844cc3634dfa671063eaf3843e25d780f33b6268d3545096b8c54N.exe
"C:\Users\Admin\AppData\Local\Temp\fb4ef45c89a844cc3634dfa671063eaf3843e25d780f33b6268d3545096b8c54N.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:2604
- 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:1704
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\21FF.bat" "C:\Users\Admin\AppData\Local\Temp\FB4EF4~1.EXE""
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2800
- - C:\Windows\SysWOW64\attrib.exe
    attrib -r -s -h "C:\Users\Admin\AppData\Local\Temp\FB4EF4~1.EXE"
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2904

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x5cc
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2736

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\21FF.bat

Filesize
76B

MD5
62ab89056e457af1263a665dd2b6e6ed

SHA1
cde8b9e67e79c6c1f785be780eb4147ec4433ed1

SHA256
03dec3909c11680bd63a279bd8fe46178e789dce51a5821815d29c112690c6d2

SHA512
8d02f1cb989d13eb6fe1651adcf41cd2a582a726c01457a177ffeec96fa2bd5b83bb2d5f7143e6ef83bc263c4f466e9490f5a2c06d326e738aae5005d0bf89db

Download Submit
memory/1704-5-0x000007FFFFFD3000-0x000007FFFFFD4000-memory.dmp

Filesize
4KB

Download
memory/1704-4-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/1704-12-0x0000000001F00000-0x0000000001F65000-memory.dmp

Filesize
404KB

Download
memory/1704-7-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/1704-14-0x0000000001F00000-0x0000000001F65000-memory.dmp

Filesize
404KB

Download
memory/1704-22-0x0000000001F00000-0x0000000001F65000-memory.dmp

Filesize
404KB

Download
memory/1704-16-0x0000000001F00000-0x0000000001F65000-memory.dmp

Filesize
404KB

Download
memory/1704-26-0x0000000001F00000-0x0000000001F65000-memory.dmp

Filesize
404KB

Download
memory/2604-0-0x0000000000220000-0x0000000000236000-memory.dmp

Filesize
88KB

Download
memory/2604-1-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/2604-24-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads