gozi | 642491c1e3571edccffde78785eb27b8fc4d302ad4b807ff4b6bce88628aa064

General

Target

JaffaCakes118_642491c1e3571edccffde78785eb27b8fc4d302ad4b807ff4b6bce88628aa064.dll
Size

1.1MB
MD5

ecfee92615a6c99f3e9a71e4e7978bbb
SHA1

a1adbaa79b548de46fa971b65a05f7754adc3b4a
SHA256

642491c1e3571edccffde78785eb27b8fc4d302ad4b807ff4b6bce88628aa064
SHA512

b8841f8606f135efb6cbd053de605b70e6c78e04c56d56202d2fcc8c176a90523471cad75e35cd2587ea35b3ef80794df3506a543dec07b628fd6fa9c997059c
SSDEEP

24576:CwjCjQgGZ6E4+KaHRCGd0cLlBW1SJFjnrp17sGghYE4IqY:VjCNEBxCGd0KlBWsFjndeGuYEZqY

Score

10^/10

gozi 4461 banker discovery isfb trojan

Malware Config

Extracted

Family

gozi

Extracted

Family

gozi

Botnet

4461

C2

1.microsoft.com

horulenuke.us

vorulenuke.us

Attributes

base_path
/freeman/
build
250190
dga_base_url
constitution.org/usdeclar.txt
dga_crc
0x4eb7d2ca
dga_season
10
dga_tlds
com

ru

org
exe_type
loader
extension
.fre
server_id
12

rsa_pubkey.plain

serpent.plain

Signatures

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

System Location Discovery: System Language Discovery 1 TTPs 4 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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ielowutil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 14 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{01EE3D79-C12D-11EF-BEF1-468C69F2ED48} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2532	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2532	iexplore.exe
2532	iexplore.exe
2812	IEXPLORE.EXE
2812	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3572 wrote to memory of 4456	3572	rundll32.exe	82
PID 3572 wrote to memory of 4456	3572	rundll32.exe	82
PID 3572 wrote to memory of 4456	3572	rundll32.exe	82
PID 4456 wrote to memory of 4496	4456	rundll32.exe	83
PID 4456 wrote to memory of 4496	4456	rundll32.exe	83
PID 4456 wrote to memory of 4496	4456	rundll32.exe	83
PID 2532 wrote to memory of 2812	2532	iexplore.exe	97
PID 2532 wrote to memory of 2812	2532	iexplore.exe	97
PID 2532 wrote to memory of 2812	2532	iexplore.exe	97

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_642491c1e3571edccffde78785eb27b8fc4d302ad4b807ff4b6bce88628aa064.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3572
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_642491c1e3571edccffde78785eb27b8fc4d302ad4b807ff4b6bce88628aa064.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4456
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c echo lie pr
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4496

C:\Program Files (x86)\Internet Explorer\ielowutil.exe
"C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding
1⤵
- System Location Discovery: System Language Discovery
PID:4872

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2532 CREDAT:17410 /prefetch:2
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2812

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4456-0-0x00000000756E3000-0x00000000756E7000-memory.dmp

Filesize
16KB

Download
memory/4456-1-0x00000000755D0000-0x00000000756FF000-memory.dmp

Filesize
1.2MB

Download
memory/4456-2-0x00000000755D0000-0x00000000756FF000-memory.dmp

Filesize
1.2MB

Download
memory/4456-3-0x00000000756E3000-0x00000000756E7000-memory.dmp

Filesize
16KB

Download
memory/4456-4-0x00000000755D0000-0x00000000756FF000-memory.dmp

Filesize
1.2MB

Download
memory/4456-7-0x00000000755D0000-0x00000000756FF000-memory.dmp

Filesize
1.2MB

Download
memory/4456-9-0x00000000755D0000-0x00000000756FF000-memory.dmp

Filesize
1.2MB

Download
memory/4456-11-0x00000000755D0000-0x00000000756FF000-memory.dmp

Filesize
1.2MB

Download
memory/4456-12-0x00000000755D0000-0x00000000756FF000-memory.dmp

Filesize
1.2MB

Download
memory/4456-14-0x0000000002D10000-0x0000000002D20000-memory.dmp

Filesize
64KB

Download
memory/4456-17-0x00000000755D0000-0x00000000756FF000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads