gozi | 31d73b34c44fc4f61e583e3a19e34753d5271de557a5f5a818899f506afc8f99

General

Target

31d73b34c44fc4f61e583e3a19e34753d5271de557a5f5a818899f506afc8f99.dll
Size

1.1MB
MD5

b602deeb32f8f26326ea16cc78029602
SHA1

bad2ea797b9f5b4479f4fe189d6daab35a9a28e9
SHA256

31d73b34c44fc4f61e583e3a19e34753d5271de557a5f5a818899f506afc8f99
SHA512

90350ba7401f97eea7b990d4d80be25f2fe9233002e6a83efb0fd9f6d04eefca123ed1eb8b5ce8403e762b7f630a1ac3c04a6be8db273850b87d9dbc58b6fcb4
SSDEEP

24576:i30ixqmP/+GZgTXrHJB+pffKUmHaRLNW0wfpKncbBWZtxjB/s69ZTGxUcbrJOBPO:i30ixj/aTXrH7+pHKUmHeLNW0wBKnc4a

Score

10^/10

gozi 1000 banker isfb persistence trojan

Malware Config

Extracted

Family

gozi

Extracted

Family

gozi

Botnet

1000

C2

http://ey7kuuklgieop2pq.onion

http://drunt.at

http://news-deck.at

http://taslks.at

Attributes

build
217107
dga_base_url
constitution.org/usdeclar.txt
dga_crc
0x4eb7d2ca
dga_season
10
dga_tlds
com
ru
org
exe_type
worker
server_id
12

rsa_pubkey.plain

serpent.plain

Signatures

Gozi
Gozi is a well-known and widely distributed banking trojan.
banker trojan gozi
Unexpected DNS network traffic destination 3 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

description ioc

Destination IP 208.67.222.222
Destination IP 208.67.222.222
Destination IP 208.67.222.222

description	ioc
Destination IP	208.67.222.222
Destination IP	208.67.222.222
Destination IP	208.67.222.222

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Explorer.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\dmdsupnp = "rundll32 \"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\D3d8roxy\\authvoas.dll\",DllRegisterServer"	Explorer.EXE

Suspicious use of SetThreadContext 4 IoCs

Processes:

rundll32.execontrol.exeExplorer.EXE

description	pid	process	target process
PID 1700 set thread context of 268	1700	rundll32.exe	control.exe
PID 268 set thread context of 1264	268	control.exe	Explorer.EXE
PID 268 set thread context of 920	268	control.exe	rundll32.exe
PID 1264 set thread context of 1736	1264	Explorer.EXE	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exeExplorer.EXE

pid process

1700 rundll32.exe
1264 Explorer.EXE
Suspicious behavior: MapViewOfSection 4 IoCs

Processes:

rundll32.execontrol.exeExplorer.EXE

pid process

1700 rundll32.exe
268 control.exe
268 control.exe
1264 Explorer.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Explorer.EXE

description pid process

Token: SeShutdownPrivilege 1264 Explorer.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1264 Explorer.EXE
1264 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1264 Explorer.EXE
1264 Explorer.EXE
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Explorer.EXE

pid process

1264 Explorer.EXE

pid	process
1700	rundll32.exe
1264	Explorer.EXE

pid	process
1700	rundll32.exe
268	control.exe
268	control.exe
1264	Explorer.EXE

description	pid	process
Token: SeShutdownPrivilege	1264	Explorer.EXE

pid	process
1264	Explorer.EXE
1264	Explorer.EXE

pid	process
1264	Explorer.EXE
1264	Explorer.EXE

pid	process
1264	Explorer.EXE

Suspicious use of WriteProcessMemory 39 IoCs

Processes:

rundll32.exerundll32.execontrol.exeExplorer.EXEcmd.exe

description	pid	process	target process
PID 2032 wrote to memory of 1700	2032	rundll32.exe	rundll32.exe
PID 2032 wrote to memory of 1700	2032	rundll32.exe	rundll32.exe
PID 2032 wrote to memory of 1700	2032	rundll32.exe	rundll32.exe
PID 2032 wrote to memory of 1700	2032	rundll32.exe	rundll32.exe
PID 2032 wrote to memory of 1700	2032	rundll32.exe	rundll32.exe
PID 2032 wrote to memory of 1700	2032	rundll32.exe	rundll32.exe
PID 2032 wrote to memory of 1700	2032	rundll32.exe	rundll32.exe
PID 1700 wrote to memory of 268	1700	rundll32.exe	control.exe
PID 1700 wrote to memory of 268	1700	rundll32.exe	control.exe
PID 1700 wrote to memory of 268	1700	rundll32.exe	control.exe
PID 1700 wrote to memory of 268	1700	rundll32.exe	control.exe
PID 1700 wrote to memory of 268	1700	rundll32.exe	control.exe
PID 1700 wrote to memory of 268	1700	rundll32.exe	control.exe
PID 1700 wrote to memory of 268	1700	rundll32.exe	control.exe
PID 268 wrote to memory of 1264	268	control.exe	Explorer.EXE
PID 268 wrote to memory of 1264	268	control.exe	Explorer.EXE
PID 268 wrote to memory of 1264	268	control.exe	Explorer.EXE
PID 268 wrote to memory of 920	268	control.exe	rundll32.exe
PID 268 wrote to memory of 920	268	control.exe	rundll32.exe
PID 268 wrote to memory of 920	268	control.exe	rundll32.exe
PID 268 wrote to memory of 920	268	control.exe	rundll32.exe
PID 268 wrote to memory of 920	268	control.exe	rundll32.exe
PID 268 wrote to memory of 920	268	control.exe	rundll32.exe
PID 1264 wrote to memory of 384	1264	Explorer.EXE	cmd.exe
PID 1264 wrote to memory of 384	1264	Explorer.EXE	cmd.exe
PID 1264 wrote to memory of 384	1264	Explorer.EXE	cmd.exe
PID 384 wrote to memory of 1624	384	cmd.exe	nslookup.exe
PID 384 wrote to memory of 1624	384	cmd.exe	nslookup.exe
PID 384 wrote to memory of 1624	384	cmd.exe	nslookup.exe
PID 1264 wrote to memory of 556	1264	Explorer.EXE	cmd.exe
PID 1264 wrote to memory of 556	1264	Explorer.EXE	cmd.exe
PID 1264 wrote to memory of 556	1264	Explorer.EXE	cmd.exe
PID 1264 wrote to memory of 1736	1264	Explorer.EXE	cmd.exe
PID 1264 wrote to memory of 1736	1264	Explorer.EXE	cmd.exe
PID 1264 wrote to memory of 1736	1264	Explorer.EXE	cmd.exe
PID 1264 wrote to memory of 1736	1264	Explorer.EXE	cmd.exe
PID 1264 wrote to memory of 1736	1264	Explorer.EXE	cmd.exe
PID 1264 wrote to memory of 1736	1264	Explorer.EXE	cmd.exe
PID 1264 wrote to memory of 1736	1264	Explorer.EXE	cmd.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\31d73b34c44fc4f61e583e3a19e34753d5271de557a5f5a818899f506afc8f99.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2032

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\31d73b34c44fc4f61e583e3a19e34753d5271de557a5f5a818899f506afc8f99.dll,#1
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1700

C:\Windows\system32\control.exe
C:\Windows\system32\control.exe /?
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:268

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL /?
4⤵
PID:920

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1264

C:\Windows\system32\cmd.exe
cmd /C "nslookup myip.opendns.com resolver1.opendns.com > C:\Users\Admin\AppData\Local\Temp\FE38.bi1"
2⤵
- Suspicious use of WriteProcessMemory
PID:384

C:\Windows\system32\nslookup.exe
nslookup myip.opendns.com resolver1.opendns.com
3⤵
PID:1624

C:\Windows\system32\cmd.exe
cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\FE38.bi1"
2⤵
PID:556

C:\Windows\syswow64\cmd.exe
"C:\Windows\syswow64\cmd.exe" /C pause dll mail, ,
2⤵
PID:1736

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\FE38.bi1
Filesize
118B

MD5
41a49d1a2a3a8713a12ccf89932d4bb7

SHA1
b324e8bbcd4ca71a35d0c00ac63c0255e8ec4287

SHA256
f210a8e30967b13dabe340c45ce4a97e9c94ad74975728eccdd0a27edf29b5fe

SHA512
1fc256f2068eb9ac32c04bad119e94ba006808fd2be48db397eecf69acd6d8972334f81f8439d6e153a9cb99db618a613f3b0adf2b5784c264b61d4d5c0669b1

Download Submit
C:\Users\Admin\AppData\Local\Temp\FE38.bi1
Filesize
118B

MD5
41a49d1a2a3a8713a12ccf89932d4bb7

SHA1
b324e8bbcd4ca71a35d0c00ac63c0255e8ec4287

SHA256
f210a8e30967b13dabe340c45ce4a97e9c94ad74975728eccdd0a27edf29b5fe

SHA512
1fc256f2068eb9ac32c04bad119e94ba006808fd2be48db397eecf69acd6d8972334f81f8439d6e153a9cb99db618a613f3b0adf2b5784c264b61d4d5c0669b1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\D3d8roxy\authvoas.dll
Filesize
1.1MB

MD5
b602deeb32f8f26326ea16cc78029602

SHA1
bad2ea797b9f5b4479f4fe189d6daab35a9a28e9

SHA256
31d73b34c44fc4f61e583e3a19e34753d5271de557a5f5a818899f506afc8f99

SHA512
90350ba7401f97eea7b990d4d80be25f2fe9233002e6a83efb0fd9f6d04eefca123ed1eb8b5ce8403e762b7f630a1ac3c04a6be8db273850b87d9dbc58b6fcb4

Download Submit
memory/268-68-0x0000000001B80000-0x0000000001C34000-memory.dmp

Filesize
720KB

Download
memory/268-73-0x0000000001B80000-0x0000000001C34000-memory.dmp

Filesize
720KB

Download
memory/268-69-0x000007FEFBA81000-0x000007FEFBA83000-memory.dmp

Filesize
8KB

Download
memory/268-66-0x0000000000000000-mapping.dmp

Download
memory/384-75-0x0000000000000000-mapping.dmp

Download
memory/556-77-0x0000000000000000-mapping.dmp

Download
memory/920-71-0x0000000000000000-mapping.dmp

Download
memory/920-72-0x0000000000370000-0x0000000000424000-memory.dmp

Filesize
720KB

Download
memory/1264-74-0x0000000004F70000-0x0000000005024000-memory.dmp

Filesize
720KB

Download
memory/1624-76-0x0000000000000000-mapping.dmp

Download
memory/1700-58-0x0000000010000000-0x0000000010A16000-memory.dmp

Filesize
10.1MB

Download
memory/1700-67-0x0000000010000000-0x0000000010A16000-memory.dmp

Filesize
10.1MB

Download
memory/1700-57-0x0000000010000000-0x0000000010A16000-memory.dmp

Filesize
10.1MB

Download
memory/1700-54-0x0000000000000000-mapping.dmp

Download
memory/1700-59-0x0000000000190000-0x00000000001DB000-memory.dmp

Filesize
300KB

Download
memory/1700-56-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1700-55-0x0000000076391000-0x0000000076393000-memory.dmp

Filesize
8KB

Download
memory/1736-80-0x0000000000000000-mapping.dmp

Download
memory/1736-81-0x00000000003A0000-0x0000000000447000-memory.dmp

Filesize
668KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads