gozi | cf02e41d766f6bb939db30b8f43beaf6052ff3fed4279d4382e0ef4496bda71e

General

Target

cf02e41d766f6bb939db30b8f43beaf6052ff3fed4279d4382e0ef4496bda71e.dll
Size

1.1MB
MD5

c034d33b6957b0002c774ea180da90cb
SHA1

391f59c7ab9b47ea83030557c64fb30a90229943
SHA256

cf02e41d766f6bb939db30b8f43beaf6052ff3fed4279d4382e0ef4496bda71e
SHA512

ac2a28df7b2cb2bad894afab98d21f0474f3c783073fbc8b8d078c7eb80d1b51f0fb960b3e617fd479d4e2ea158396fc2256df97f34efc3a554c1a0703fb9acb
SSDEEP

24576:i30ixqmP/+GZgTXrHJB+pffKUmHaRLNW0wfpKncbBWZtxjB/s69DTGxUcbrJOBPO:i30ixj/aTXrH7+pHKUmHeLNW0wBKnc4

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-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\Certsadu = "rundll32 \"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Dmocsenh\\blbrroxy.dll\",DllRegisterServer"	Explorer.EXE

Suspicious use of SetThreadContext 4 IoCs

Processes:

rundll32.execontrol.exeExplorer.EXE

description	pid	process	target process
PID 1892 set thread context of 1376	1892	rundll32.exe	control.exe
PID 1376 set thread context of 1284	1376	control.exe	Explorer.EXE
PID 1376 set thread context of 1116	1376	control.exe	rundll32.exe
PID 1284 set thread context of 1636	1284	Explorer.EXE	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exeExplorer.EXE

pid process

1892 rundll32.exe
1284 Explorer.EXE
Suspicious behavior: MapViewOfSection 4 IoCs

Processes:

rundll32.execontrol.exeExplorer.EXE

pid process

1892 rundll32.exe
1376 control.exe
1376 control.exe
1284 Explorer.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Explorer.EXE

description pid process

Token: SeShutdownPrivilege 1284 Explorer.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1284 Explorer.EXE
1284 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1284 Explorer.EXE
1284 Explorer.EXE
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Explorer.EXE

pid process

1284 Explorer.EXE

pid	process
1892	rundll32.exe
1284	Explorer.EXE

pid	process
1892	rundll32.exe
1376	control.exe
1376	control.exe
1284	Explorer.EXE

description	pid	process
Token: SeShutdownPrivilege	1284	Explorer.EXE

pid	process
1284	Explorer.EXE
1284	Explorer.EXE

pid	process
1284	Explorer.EXE
1284	Explorer.EXE

pid	process
1284	Explorer.EXE

Suspicious use of WriteProcessMemory 39 IoCs

Processes:

rundll32.exerundll32.execontrol.exeExplorer.EXEcmd.exe

description	pid	process	target process
PID 2028 wrote to memory of 1892	2028	rundll32.exe	rundll32.exe
PID 2028 wrote to memory of 1892	2028	rundll32.exe	rundll32.exe
PID 2028 wrote to memory of 1892	2028	rundll32.exe	rundll32.exe
PID 2028 wrote to memory of 1892	2028	rundll32.exe	rundll32.exe
PID 2028 wrote to memory of 1892	2028	rundll32.exe	rundll32.exe
PID 2028 wrote to memory of 1892	2028	rundll32.exe	rundll32.exe
PID 2028 wrote to memory of 1892	2028	rundll32.exe	rundll32.exe
PID 1892 wrote to memory of 1376	1892	rundll32.exe	control.exe
PID 1892 wrote to memory of 1376	1892	rundll32.exe	control.exe
PID 1892 wrote to memory of 1376	1892	rundll32.exe	control.exe
PID 1892 wrote to memory of 1376	1892	rundll32.exe	control.exe
PID 1892 wrote to memory of 1376	1892	rundll32.exe	control.exe
PID 1892 wrote to memory of 1376	1892	rundll32.exe	control.exe
PID 1892 wrote to memory of 1376	1892	rundll32.exe	control.exe
PID 1376 wrote to memory of 1284	1376	control.exe	Explorer.EXE
PID 1376 wrote to memory of 1284	1376	control.exe	Explorer.EXE
PID 1376 wrote to memory of 1284	1376	control.exe	Explorer.EXE
PID 1376 wrote to memory of 1116	1376	control.exe	rundll32.exe
PID 1376 wrote to memory of 1116	1376	control.exe	rundll32.exe
PID 1376 wrote to memory of 1116	1376	control.exe	rundll32.exe
PID 1376 wrote to memory of 1116	1376	control.exe	rundll32.exe
PID 1376 wrote to memory of 1116	1376	control.exe	rundll32.exe
PID 1376 wrote to memory of 1116	1376	control.exe	rundll32.exe
PID 1284 wrote to memory of 896	1284	Explorer.EXE	cmd.exe
PID 1284 wrote to memory of 896	1284	Explorer.EXE	cmd.exe
PID 1284 wrote to memory of 896	1284	Explorer.EXE	cmd.exe
PID 896 wrote to memory of 1952	896	cmd.exe	nslookup.exe
PID 896 wrote to memory of 1952	896	cmd.exe	nslookup.exe
PID 896 wrote to memory of 1952	896	cmd.exe	nslookup.exe
PID 1284 wrote to memory of 2016	1284	Explorer.EXE	cmd.exe
PID 1284 wrote to memory of 2016	1284	Explorer.EXE	cmd.exe
PID 1284 wrote to memory of 2016	1284	Explorer.EXE	cmd.exe
PID 1284 wrote to memory of 1636	1284	Explorer.EXE	cmd.exe
PID 1284 wrote to memory of 1636	1284	Explorer.EXE	cmd.exe
PID 1284 wrote to memory of 1636	1284	Explorer.EXE	cmd.exe
PID 1284 wrote to memory of 1636	1284	Explorer.EXE	cmd.exe
PID 1284 wrote to memory of 1636	1284	Explorer.EXE	cmd.exe
PID 1284 wrote to memory of 1636	1284	Explorer.EXE	cmd.exe
PID 1284 wrote to memory of 1636	1284	Explorer.EXE	cmd.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf02e41d766f6bb939db30b8f43beaf6052ff3fed4279d4382e0ef4496bda71e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2028

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf02e41d766f6bb939db30b8f43beaf6052ff3fed4279d4382e0ef4496bda71e.dll,#1
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1892

C:\Windows\system32\control.exe
C:\Windows\system32\control.exe /?
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1376

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL /?
4⤵
PID:1116

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:1284

C:\Windows\system32\cmd.exe
cmd /C "nslookup myip.opendns.com resolver1.opendns.com > C:\Users\Admin\AppData\Local\Temp\EE88.bi1"
2⤵
- Suspicious use of WriteProcessMemory
PID:896

C:\Windows\system32\nslookup.exe
nslookup myip.opendns.com resolver1.opendns.com
3⤵
PID:1952

C:\Windows\system32\cmd.exe
cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\EE88.bi1"
2⤵
PID:2016

C:\Windows\syswow64\cmd.exe
"C:\Windows\syswow64\cmd.exe" /C pause dll mail, ,
2⤵
PID:1636

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\EE88.bi1
Filesize
107B

MD5
82f12896705faeb1630b62f16d5f5cc8

SHA1
9ed376a84dd777c28d4510cd747da4fbbc2ff63b

SHA256
caccfc569992c55c1e532dd816a6e1846281397127c61e3403294d527780a35e

SHA512
e1f04928aea8e710cd34fd6a0580ad9fe2f045485574b1ba4e4e7db376cffd9dacbc15e51f54cb247a85985739b0d70b9e783c1e573ceb8785fc0662be35c379

Download Submit
C:\Users\Admin\AppData\Local\Temp\EE88.bi1
Filesize
118B

MD5
41a49d1a2a3a8713a12ccf89932d4bb7

SHA1
b324e8bbcd4ca71a35d0c00ac63c0255e8ec4287

SHA256
f210a8e30967b13dabe340c45ce4a97e9c94ad74975728eccdd0a27edf29b5fe

SHA512
1fc256f2068eb9ac32c04bad119e94ba006808fd2be48db397eecf69acd6d8972334f81f8439d6e153a9cb99db618a613f3b0adf2b5784c264b61d4d5c0669b1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Dmocsenh\blbrroxy.dll
Filesize
1.1MB

MD5
c034d33b6957b0002c774ea180da90cb

SHA1
391f59c7ab9b47ea83030557c64fb30a90229943

SHA256
cf02e41d766f6bb939db30b8f43beaf6052ff3fed4279d4382e0ef4496bda71e

SHA512
ac2a28df7b2cb2bad894afab98d21f0474f3c783073fbc8b8d078c7eb80d1b51f0fb960b3e617fd479d4e2ea158396fc2256df97f34efc3a554c1a0703fb9acb

Download Submit
memory/896-75-0x0000000000000000-mapping.dmp

Download
memory/1116-70-0x0000000000000000-mapping.dmp

Download
memory/1116-73-0x0000000001AF0000-0x0000000001BA4000-memory.dmp

Filesize
720KB

Download
memory/1284-71-0x0000000003C00000-0x0000000003CB4000-memory.dmp

Filesize
720KB

Download
memory/1376-68-0x000007FEFC2E1000-0x000007FEFC2E3000-memory.dmp

Filesize
8KB

Download
memory/1376-74-0x00000000001A0000-0x0000000000254000-memory.dmp

Filesize
720KB

Download
memory/1376-66-0x0000000000000000-mapping.dmp

Download
memory/1376-72-0x00000000001A0000-0x0000000000254000-memory.dmp

Filesize
720KB

Download
memory/1636-81-0x00000000002D0000-0x0000000000377000-memory.dmp

Filesize
668KB

Download
memory/1636-80-0x0000000000000000-mapping.dmp

Download
memory/1892-58-0x0000000010000000-0x0000000010A16000-memory.dmp

Filesize
10.1MB

Download
memory/1892-67-0x0000000010000000-0x0000000010A16000-memory.dmp

Filesize
10.1MB

Download
memory/1892-57-0x0000000010000000-0x0000000010A16000-memory.dmp

Filesize
10.1MB

Download
memory/1892-56-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1892-55-0x00000000760B1000-0x00000000760B3000-memory.dmp

Filesize
8KB

Download
memory/1892-59-0x00000000001C0000-0x000000000020B000-memory.dmp

Filesize
300KB

Download
memory/1892-54-0x0000000000000000-mapping.dmp

Download
memory/1952-76-0x0000000000000000-mapping.dmp

Download
memory/2016-77-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads