gozi | 26565bb980df7e0a005468cf2764cc72075ead4b6673c16b319c9c6b029b1bd1

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2024 08:42

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General

Target

kybe3.dll
Size

563KB
MD5

c7eeecef364f35c1b3f56b3136d5607f
SHA1

17b1f56ce5ffed92d7939315ebc1818157f02506
SHA256

f2059f3054bee3cb57c666b3994c0cf3aa61c981e2d70a798b5f1f43a189f20a
SHA512

31da7d5d631dd7809e252374dded9ab47fe17875ae53a8680e1aa433dda65cbe4688f6a3d1afaca67dcb30756c988476381444e1c6e16090bb4b7278a52b6f34
SSDEEP

12288:qk4mO6uu/lzsGqjV6L3hKkXHqb2Nqdi3/BkldTdlX8A1:qk4Z6uutAGMVQRLX62wiJkldTP8A

Score

10^/10

gozi 5500 banker discovery isfb trojan

Malware Config

Extracted

Family

gozi

Extracted

Family

gozi

Botnet

5500

windows.update.com

shop.microsoft.com

fraloopilo.xyz

paladingrazz.xyz

Attributes

base_path
/manifest/
build
250177
dga_season
10
exe_type
loader
extension
.cnx
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	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ielowutil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 43 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3210317956"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000bb73de6dedeff944803e966ed336312400000000020000000000106600000001000020000000868bbe3633fb4a262087c1c94bda30981d930be3fc9b6befe3fb350f2d156727000000000e8000000002000020000000ed2d168d1c67963f8a96934375baa792f171c99d6b0acfc08485420a4403203820000000d82c6be11704cdd56cf83b49be774f186e62791f331926eae07a16eab386a75e40000000fde5c3c1d739b21ce5f80a34270c7439305124488d557223d1440413c6933c28d056b10a507c07ee89419f80de1996db0b3edb07da4b1c793af33a8996af43aa	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000bb73de6dedeff944803e966ed33631240000000002000000000010660000000100002000000003599dd022af17005ca5e3ebbf2cee18453d6eb3704b8791dd8e5e061167e15b000000000e800000000200002000000073758ee50cf1e89f560c3fd4c7b7249f7bed6e5411e99b68c17557bd138f637920000000989221b6f373757eaa24b233534f688b23afbf0888a3588b60f1b83adbc412f1400000008957b3aedec4794feefad0497a53c3d1a3b4096c1118dd70f3bc9e5897911dec1850be3c977251c2e9e80349259b36cd8bd5db2d4ad60334f4bd0a5af3d8c685	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\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
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31151181"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 1059a3bf4d54db01	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = d0fd82c64d54db01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3210317956"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 10caa5bf4d54db01	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{EAE67B84-C040-11EF-B9B6-CE95CE932DF6} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31151181"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000bb73de6dedeff944803e966ed3363124000000000200000000001066000000010000200000003bd1f3990a625d688f4ed96b99bb404ef011c04be3964400a5b32aadab312e63000000000e8000000002000020000000cbb7cf2d7c42e69d00820db950865c41f8d71e5f2bca9eb7df1fbfed00fcfe58200000000cd3dc564334c4671767661f5115093596f572b0b7d72197c1fd5359c50f3d2440000000e592ed9f432090c40020ecb57118b71b92de43e909755499f47ba683267e601cd840cc041bee033a7b1a39d9282ff46f232548e212d0fd000fa2d6a0490eff5f	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{03A7A6D4-C041-11EF-B9B6-CE95CE932DF6} = "0"	iexplore.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5116	iexplore.exe
844	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
5116	iexplore.exe
5116	iexplore.exe
2200	IEXPLORE.EXE
2200	IEXPLORE.EXE
844	iexplore.exe
844	iexplore.exe
2548	IEXPLORE.EXE
2548	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1348 wrote to memory of 4000	1348	regsvr32.exe	83
PID 1348 wrote to memory of 4000	1348	regsvr32.exe	83
PID 1348 wrote to memory of 4000	1348	regsvr32.exe	83
PID 5116 wrote to memory of 2200	5116	iexplore.exe	106
PID 5116 wrote to memory of 2200	5116	iexplore.exe	106
PID 5116 wrote to memory of 2200	5116	iexplore.exe	106
PID 844 wrote to memory of 2548	844	iexplore.exe	109
PID 844 wrote to memory of 2548	844	iexplore.exe	109
PID 844 wrote to memory of 2548	844	iexplore.exe	109

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\kybe3.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1348
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\kybe3.dll
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4000

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:1704

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:5116
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5116 CREDAT:17410 /prefetch:2
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2200

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:844
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:844 CREDAT:17410 /prefetch:2
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4000-0-0x0000000074D4C000-0x0000000074D50000-memory.dmp

Filesize
16KB

Download
memory/4000-1-0x0000000074CC0000-0x0000000074D5C000-memory.dmp

Filesize
624KB

Download
memory/4000-2-0x0000000074CC0000-0x0000000074D5C000-memory.dmp

Filesize
624KB

Download
memory/4000-3-0x0000000074CC0000-0x0000000074D5C000-memory.dmp

Filesize
624KB

Download
memory/4000-4-0x0000000074D4C000-0x0000000074D50000-memory.dmp

Filesize
16KB

Download
memory/4000-5-0x0000000074CC0000-0x0000000074D5C000-memory.dmp

Filesize
624KB

Download
memory/4000-6-0x0000000074CC0000-0x0000000074D5C000-memory.dmp

Filesize
624KB

Download
memory/4000-7-0x0000000074CC0000-0x0000000074D5C000-memory.dmp

Filesize
624KB

Download
memory/4000-8-0x0000000074CC0000-0x0000000074D5C000-memory.dmp

Filesize
624KB

Download
memory/4000-10-0x0000000074CC0000-0x0000000074D5C000-memory.dmp

Filesize
624KB

Download
memory/4000-11-0x0000000074CC0000-0x0000000074D5C000-memory.dmp

Filesize
624KB

Download
memory/4000-12-0x0000000000970000-0x0000000000980000-memory.dmp

Filesize
64KB

Download
memory/4000-15-0x0000000074CC0000-0x0000000074D5C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads