gozi | d8f3fedde975e393530b694eee1ef9c981b48bc46b4e24749c20189a6fa58e79

Analysis

max time kernel
148s
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
21-12-2024 17:34

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General

Target

202102121641_ae55975bd40147ab3b9a02f1e2e0279f714bce9845d26ace252cd590a42d733d.dll
Size

93KB
MD5

913c77883aa2e28ec98e5cf86d6fc2cb
SHA1

5a5c60b32770cb4654269a812d07e13767ad7ed6
SHA256

ae55975bd40147ab3b9a02f1e2e0279f714bce9845d26ace252cd590a42d733d
SHA512

8722b1958bdea7c23073d4f26c8f47221244ff44d243d253948a48d3635b5c96131078cb867e3f83f6cfdb4800c26ca4da9b4c12ce56219591b5c716ba058bf9
SSDEEP

1536:Hp8F8N2PU39eB+thp5sgHp6qeIyHCsousUotPPlByJbo3:Hp8RPUt73pjQ+YoHtPtB

Score

10^/10

gozi 3300 banker discovery isfb trojan

Malware Config

Extracted

Family

gozi

Extracted

Family

gozi

Botnet

3300

api10.laptok.at/api1

golang.feel500.at/api1

go.in100k.at/api1

Attributes

build
250171
dga_base_url
constitution.org/usdeclar.txt
dga_crc
0x4eb7d2ca
dga_season
10
dga_tlds
com

ru

org
exe_type
loader
server_id
730

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 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	ielowutil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 32 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{1A92B941-BFC2-11EF-AF2A-7E3D785E6C2E} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000ca04ef73b7c6924d879f23eb66eabf8a000000000200000000001066000000010000200000007bd6df4eb20340cd9611e8e34dd70325d3b2c9f06ba880e8b258e95232fd0e72000000000e80000000020000200000001ee33c30e5e655b1895da841756dbecbbf383ad07ff7e6b8e9900bd4a5fd72bc200000000574c94fad0dcd9edf43a4a6736d1e7aec1aa3545eff64313a2296632b73b7a84000000025aad4877af783f431a111fed60d285110b2bddb52f388d2193d006d23da4e2c34ca93d0665614ebd9a3dfb0b1476128d163cf3a58f27c70344d3f8362102fa3	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31151054"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 50133ef0ce53db01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\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-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4010603837"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000ca04ef73b7c6924d879f23eb66eabf8a0000000002000000000010660000000100002000000059679131cb513c011998db34ad2c095da1c931c672c22b2e55320602d825b1bd000000000e8000000002000020000000d80a4fbe01518d78977b803946485ebf1d1f612b673b4ca0c0a26583c7968aed20000000dfa1822ba16ca63e7af1e34963b7fe7fb1afd7ec76568e25ea14dfe657df50da40000000a2645cf419bb500bd2b9ffe4a806afa853c7ecd16afde48b854a033b8e2dfdb4b23a30ad96ba96aa90cb51f8180a560a0096392b413b0293cee71a9434e739ab	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4010603837"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31151054"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 308947f0ce53db01	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1264	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1264	iexplore.exe
1264	iexplore.exe
2236	IEXPLORE.EXE
2236	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 4284	2684	rundll32.exe	85
PID 2684 wrote to memory of 4284	2684	rundll32.exe	85
PID 2684 wrote to memory of 4284	2684	rundll32.exe	85
PID 1264 wrote to memory of 2236	1264	iexplore.exe	105
PID 1264 wrote to memory of 2236	1264	iexplore.exe	105
PID 1264 wrote to memory of 2236	1264	iexplore.exe	105

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\202102121641_ae55975bd40147ab3b9a02f1e2e0279f714bce9845d26ace252cd590a42d733d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\202102121641_ae55975bd40147ab3b9a02f1e2e0279f714bce9845d26ace252cd590a42d733d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4284

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:3524

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:1264
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1264 CREDAT:17410 /prefetch:2
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2236

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/4284-0-0x0000000010000000-0x0000000012019000-memory.dmp

Filesize
32.1MB

Download
memory/4284-1-0x0000000010000000-0x0000000012019000-memory.dmp

Filesize
32.1MB

Download
memory/4284-2-0x0000000002AD0000-0x0000000004AE3000-memory.dmp

Filesize
32.1MB

Download
memory/4284-3-0x0000000010000000-0x0000000012013000-memory.dmp

Filesize
32.1MB

Download
memory/4284-4-0x00000000012C0000-0x00000000012D0000-memory.dmp

Filesize
64KB

Download
memory/4284-7-0x0000000010000000-0x0000000012019000-memory.dmp

Filesize
32.1MB

Download
memory/4284-8-0x0000000002AD0000-0x0000000004AE3000-memory.dmp

Filesize
32.1MB

Download
memory/4284-9-0x0000000010000000-0x0000000012013000-memory.dmp

Filesize
32.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads