gozi | 33f956cc16a47c86ec3c06f30da058a87bab41c5b9deab097ae876067d2d5e2a

General

Target

33f956cc16a47c86ec3c06f30da058a87bab41c5b9deab097ae876067d2d5e2a.dll
Size

1.1MB
MD5

a8d1899b7942eecddb5a18b0f6b509df
SHA1

342cdb7f538fd2213ad33f673433bafba85c4b4b
SHA256

33f956cc16a47c86ec3c06f30da058a87bab41c5b9deab097ae876067d2d5e2a
SHA512

924682746c7185b9852d226f63c5082d023865f0a3c293569eef100f7c60df9f5bcb848a3ae8cf52d7d16f0059c936f725622574190ba89f7654c304a4687068
SSDEEP

24576:i30ixqmP/+GZgTXrHJB+pffKUmHaRLNW0wfpKncbBWZtxjB/s69vTGxUcbrJOBPO:i30ixj/aTXrH7+pHKUmHeLNW0wBKnc4c

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-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cfmirces = "rundll32 \"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Charwork\\clict3ui.dll\",DllRegisterServer"	Explorer.EXE

Suspicious use of SetThreadContext 7 IoCs

Processes:

rundll32.execontrol.exeExplorer.EXE

description	pid	process	target process
PID 2472 set thread context of 2920	2472	rundll32.exe	control.exe
PID 2920 set thread context of 2728	2920	control.exe	Explorer.EXE
PID 2728 set thread context of 3536	2728	Explorer.EXE	RuntimeBroker.exe
PID 2728 set thread context of 3804	2728	Explorer.EXE	RuntimeBroker.exe
PID 2920 set thread context of 3716	2920	control.exe	rundll32.exe
PID 2728 set thread context of 4708	2728	Explorer.EXE	RuntimeBroker.exe
PID 2728 set thread context of 2336	2728	Explorer.EXE	cmd.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

rundll32.exeExplorer.EXE

pid process

2472 rundll32.exe
2472 rundll32.exe
2728 Explorer.EXE
2728 Explorer.EXE
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2728 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

rundll32.execontrol.exeExplorer.EXE

pid process

2472 rundll32.exe
2920 control.exe
2728 Explorer.EXE
2728 Explorer.EXE
2920 control.exe
2728 Explorer.EXE
2728 Explorer.EXE

pid	process
2472	rundll32.exe
2472	rundll32.exe
2728	Explorer.EXE
2728	Explorer.EXE

pid	process
2728	Explorer.EXE

pid	process
2472	rundll32.exe
2920	control.exe
2728	Explorer.EXE
2728	Explorer.EXE
2920	control.exe
2728	Explorer.EXE
2728	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

Explorer.EXERuntimeBroker.exe

description	pid	process
Token: SeShutdownPrivilege	2728	Explorer.EXE
Token: SeCreatePagefilePrivilege	2728	Explorer.EXE
Token: SeShutdownPrivilege	2728	Explorer.EXE
Token: SeCreatePagefilePrivilege	2728	Explorer.EXE
Token: SeShutdownPrivilege	3536	RuntimeBroker.exe
Token: SeShutdownPrivilege	3536	RuntimeBroker.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Explorer.EXE

pid process

2728 Explorer.EXE

pid	process
2728	Explorer.EXE

Suspicious use of WriteProcessMemory 37 IoCs

Processes:

rundll32.exerundll32.execontrol.exeExplorer.EXEcmd.exe

description	pid	process	target process
PID 2664 wrote to memory of 2472	2664	rundll32.exe	rundll32.exe
PID 2664 wrote to memory of 2472	2664	rundll32.exe	rundll32.exe
PID 2664 wrote to memory of 2472	2664	rundll32.exe	rundll32.exe
PID 2472 wrote to memory of 2920	2472	rundll32.exe	control.exe
PID 2472 wrote to memory of 2920	2472	rundll32.exe	control.exe
PID 2472 wrote to memory of 2920	2472	rundll32.exe	control.exe
PID 2472 wrote to memory of 2920	2472	rundll32.exe	control.exe
PID 2472 wrote to memory of 2920	2472	rundll32.exe	control.exe
PID 2920 wrote to memory of 2728	2920	control.exe	Explorer.EXE
PID 2920 wrote to memory of 2728	2920	control.exe	Explorer.EXE
PID 2920 wrote to memory of 2728	2920	control.exe	Explorer.EXE
PID 2728 wrote to memory of 3536	2728	Explorer.EXE	RuntimeBroker.exe
PID 2728 wrote to memory of 3536	2728	Explorer.EXE	RuntimeBroker.exe
PID 2728 wrote to memory of 3536	2728	Explorer.EXE	RuntimeBroker.exe
PID 2728 wrote to memory of 3804	2728	Explorer.EXE	RuntimeBroker.exe
PID 2920 wrote to memory of 3716	2920	control.exe	rundll32.exe
PID 2920 wrote to memory of 3716	2920	control.exe	rundll32.exe
PID 2920 wrote to memory of 3716	2920	control.exe	rundll32.exe
PID 2728 wrote to memory of 3804	2728	Explorer.EXE	RuntimeBroker.exe
PID 2728 wrote to memory of 3804	2728	Explorer.EXE	RuntimeBroker.exe
PID 2728 wrote to memory of 4708	2728	Explorer.EXE	RuntimeBroker.exe
PID 2920 wrote to memory of 3716	2920	control.exe	rundll32.exe
PID 2920 wrote to memory of 3716	2920	control.exe	rundll32.exe
PID 2728 wrote to memory of 4708	2728	Explorer.EXE	RuntimeBroker.exe
PID 2728 wrote to memory of 4708	2728	Explorer.EXE	RuntimeBroker.exe
PID 2728 wrote to memory of 4328	2728	Explorer.EXE	cmd.exe
PID 2728 wrote to memory of 4328	2728	Explorer.EXE	cmd.exe
PID 4328 wrote to memory of 1416	4328	cmd.exe	nslookup.exe
PID 4328 wrote to memory of 1416	4328	cmd.exe	nslookup.exe
PID 2728 wrote to memory of 520	2728	Explorer.EXE	cmd.exe
PID 2728 wrote to memory of 520	2728	Explorer.EXE	cmd.exe
PID 2728 wrote to memory of 2336	2728	Explorer.EXE	cmd.exe
PID 2728 wrote to memory of 2336	2728	Explorer.EXE	cmd.exe
PID 2728 wrote to memory of 2336	2728	Explorer.EXE	cmd.exe
PID 2728 wrote to memory of 2336	2728	Explorer.EXE	cmd.exe
PID 2728 wrote to memory of 2336	2728	Explorer.EXE	cmd.exe
PID 2728 wrote to memory of 2336	2728	Explorer.EXE	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2728

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\33f956cc16a47c86ec3c06f30da058a87bab41c5b9deab097ae876067d2d5e2a.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2664

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\33f956cc16a47c86ec3c06f30da058a87bab41c5b9deab097ae876067d2d5e2a.dll,#1
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2472

C:\Windows\system32\control.exe
C:\Windows\system32\control.exe /?
4⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2920

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL /?
5⤵
PID:3716

C:\Windows\system32\cmd.exe
cmd /C "nslookup myip.opendns.com resolver1.opendns.com > C:\Users\Admin\AppData\Local\Temp\BDE5.bi1"
2⤵
- Suspicious use of WriteProcessMemory
PID:4328

C:\Windows\system32\nslookup.exe
nslookup myip.opendns.com resolver1.opendns.com
3⤵
PID:1416

C:\Windows\system32\cmd.exe
cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\BDE5.bi1"
2⤵
PID:520

C:\Windows\syswow64\cmd.exe
"C:\Windows\syswow64\cmd.exe" /C pause dll mail, ,
2⤵
PID:2336

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3536

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3804

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4708

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\BDE5.bi1
Filesize
118B

MD5
41a49d1a2a3a8713a12ccf89932d4bb7

SHA1
b324e8bbcd4ca71a35d0c00ac63c0255e8ec4287

SHA256
f210a8e30967b13dabe340c45ce4a97e9c94ad74975728eccdd0a27edf29b5fe

SHA512
1fc256f2068eb9ac32c04bad119e94ba006808fd2be48db397eecf69acd6d8972334f81f8439d6e153a9cb99db618a613f3b0adf2b5784c264b61d4d5c0669b1

Download Submit
C:\Users\Admin\AppData\Local\Temp\BDE5.bi1
Filesize
118B

MD5
41a49d1a2a3a8713a12ccf89932d4bb7

SHA1
b324e8bbcd4ca71a35d0c00ac63c0255e8ec4287

SHA256
f210a8e30967b13dabe340c45ce4a97e9c94ad74975728eccdd0a27edf29b5fe

SHA512
1fc256f2068eb9ac32c04bad119e94ba006808fd2be48db397eecf69acd6d8972334f81f8439d6e153a9cb99db618a613f3b0adf2b5784c264b61d4d5c0669b1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Charwork\clict3ui.dll
Filesize
1.1MB

MD5
a8d1899b7942eecddb5a18b0f6b509df

SHA1
342cdb7f538fd2213ad33f673433bafba85c4b4b

SHA256
33f956cc16a47c86ec3c06f30da058a87bab41c5b9deab097ae876067d2d5e2a

SHA512
924682746c7185b9852d226f63c5082d023865f0a3c293569eef100f7c60df9f5bcb848a3ae8cf52d7d16f0059c936f725622574190ba89f7654c304a4687068

Download Submit
memory/520-156-0x0000000000000000-mapping.dmp

Download
memory/1416-155-0x0000000000000000-mapping.dmp

Download
memory/2336-161-0x0000000001450000-0x00000000014F7000-memory.dmp

Filesize
668KB

Download
memory/2336-160-0x00000000000C6B20-0x00000000000C6B24-memory.dmp

Filesize
4B

Download
memory/2336-159-0x0000000000000000-mapping.dmp

Download
memory/2472-144-0x0000000010000000-0x0000000010A16000-memory.dmp

Filesize
10.1MB

Download
memory/2472-132-0x0000000000000000-mapping.dmp

Download
memory/2472-133-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2472-134-0x0000000010000000-0x0000000010A16000-memory.dmp

Filesize
10.1MB

Download
memory/2472-135-0x0000000010000000-0x0000000010A16000-memory.dmp

Filesize
10.1MB

Download
memory/2472-136-0x00000000021D0000-0x000000000221B000-memory.dmp

Filesize
300KB

Download
memory/2728-153-0x0000000003260000-0x0000000003314000-memory.dmp

Filesize
720KB

Download
memory/2728-147-0x0000000003260000-0x0000000003314000-memory.dmp

Filesize
720KB

Download
memory/2920-143-0x0000000000000000-mapping.dmp

Download
memory/2920-148-0x0000000000FD0000-0x0000000001084000-memory.dmp

Filesize
720KB

Download
memory/3536-149-0x0000020572E00000-0x0000020572EB4000-memory.dmp

Filesize
720KB

Download
memory/3716-146-0x0000000000000000-mapping.dmp

Download
memory/3716-152-0x0000023DDD860000-0x0000023DDD914000-memory.dmp

Filesize
720KB

Download
memory/3804-150-0x000001AB28570000-0x000001AB28624000-memory.dmp

Filesize
720KB

Download
memory/4328-154-0x0000000000000000-mapping.dmp

Download
memory/4708-151-0x0000023A75330000-0x0000023A753E4000-memory.dmp

Filesize
720KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads