gozi_ifsb | 7c35ac9b94a6e3cbcadf70b8c6d42c0a8385bb6b58953db4adec28e8eee8d120

General

Target

7c35ac9b94a6e3cbcadf70b8c6d42c0a8385bb6b58953db4adec28e8eee8d120.exe
Size

663KB
MD5

7a4af18d561a31a156762b6cf01b981e
SHA1

f4222f6bc717d0f6280b53c58549e6633bd8c7bc
SHA256

7c35ac9b94a6e3cbcadf70b8c6d42c0a8385bb6b58953db4adec28e8eee8d120
SHA512

97c0d7977dfb218a5c31c12a358e45ca18423c11c59e38884b1de0c1feb86c34aa8e11272b9b5971998967630ba983538af0645f1bee4b5ab86f2f23e707a9a9

Score

10^/10

gozi_ifsb 92 banker persistence trojan

Malware Config

Extracted

Family

gozi_ifsb

Botnet

92

C2

http://aaxvkah7dudzoloq.onion

http://mashallah.at

http://anumal-planet.at

Attributes

build
217027
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 IFSB
Gozi ISFB is a well-known and widely distributed banking trojan.
banker trojan gozi_ifsb
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-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Windows\CurrentVersion\Run\cmlunshc = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Certhell\\audipcfg.exe"	Explorer.EXE

Suspicious use of SetThreadContext 4 IoCs

Processes:

7c35ac9b94a6e3cbcadf70b8c6d42c0a8385bb6b58953db4adec28e8eee8d120.execontrol.exeExplorer.EXE

description	pid	process	target process
PID 1648 set thread context of 1248	1648	7c35ac9b94a6e3cbcadf70b8c6d42c0a8385bb6b58953db4adec28e8eee8d120.exe	control.exe
PID 1248 set thread context of 1260	1248	control.exe	Explorer.EXE
PID 1248 set thread context of 1072	1248	control.exe	rundll32.exe
PID 1260 set thread context of 2044	1260	Explorer.EXE	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

7c35ac9b94a6e3cbcadf70b8c6d42c0a8385bb6b58953db4adec28e8eee8d120.exeExplorer.EXE

pid process

1648 7c35ac9b94a6e3cbcadf70b8c6d42c0a8385bb6b58953db4adec28e8eee8d120.exe
1260 Explorer.EXE
Suspicious behavior: MapViewOfSection 4 IoCs

Processes:

7c35ac9b94a6e3cbcadf70b8c6d42c0a8385bb6b58953db4adec28e8eee8d120.execontrol.exeExplorer.EXE

pid process

1648 7c35ac9b94a6e3cbcadf70b8c6d42c0a8385bb6b58953db4adec28e8eee8d120.exe
1248 control.exe
1248 control.exe
1260 Explorer.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1260 Explorer.EXE
1260 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1260 Explorer.EXE
1260 Explorer.EXE
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Explorer.EXE

pid process

1260 Explorer.EXE

pid	process
1648	7c35ac9b94a6e3cbcadf70b8c6d42c0a8385bb6b58953db4adec28e8eee8d120.exe
1260	Explorer.EXE

pid	process
1648	7c35ac9b94a6e3cbcadf70b8c6d42c0a8385bb6b58953db4adec28e8eee8d120.exe
1248	control.exe
1248	control.exe
1260	Explorer.EXE

pid	process
1260	Explorer.EXE
1260	Explorer.EXE

pid	process
1260	Explorer.EXE
1260	Explorer.EXE

pid	process
1260	Explorer.EXE

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

7c35ac9b94a6e3cbcadf70b8c6d42c0a8385bb6b58953db4adec28e8eee8d120.execontrol.exeExplorer.EXEcmd.exe

description	pid	process	target process
PID 1648 wrote to memory of 1248	1648	7c35ac9b94a6e3cbcadf70b8c6d42c0a8385bb6b58953db4adec28e8eee8d120.exe	control.exe
PID 1648 wrote to memory of 1248	1648	7c35ac9b94a6e3cbcadf70b8c6d42c0a8385bb6b58953db4adec28e8eee8d120.exe	control.exe
PID 1648 wrote to memory of 1248	1648	7c35ac9b94a6e3cbcadf70b8c6d42c0a8385bb6b58953db4adec28e8eee8d120.exe	control.exe
PID 1648 wrote to memory of 1248	1648	7c35ac9b94a6e3cbcadf70b8c6d42c0a8385bb6b58953db4adec28e8eee8d120.exe	control.exe
PID 1648 wrote to memory of 1248	1648	7c35ac9b94a6e3cbcadf70b8c6d42c0a8385bb6b58953db4adec28e8eee8d120.exe	control.exe
PID 1648 wrote to memory of 1248	1648	7c35ac9b94a6e3cbcadf70b8c6d42c0a8385bb6b58953db4adec28e8eee8d120.exe	control.exe
PID 1648 wrote to memory of 1248	1648	7c35ac9b94a6e3cbcadf70b8c6d42c0a8385bb6b58953db4adec28e8eee8d120.exe	control.exe
PID 1248 wrote to memory of 1260	1248	control.exe	Explorer.EXE
PID 1248 wrote to memory of 1260	1248	control.exe	Explorer.EXE
PID 1248 wrote to memory of 1260	1248	control.exe	Explorer.EXE
PID 1248 wrote to memory of 1072	1248	control.exe	rundll32.exe
PID 1248 wrote to memory of 1072	1248	control.exe	rundll32.exe
PID 1248 wrote to memory of 1072	1248	control.exe	rundll32.exe
PID 1248 wrote to memory of 1072	1248	control.exe	rundll32.exe
PID 1248 wrote to memory of 1072	1248	control.exe	rundll32.exe
PID 1248 wrote to memory of 1072	1248	control.exe	rundll32.exe
PID 1260 wrote to memory of 584	1260	Explorer.EXE	cmd.exe
PID 1260 wrote to memory of 584	1260	Explorer.EXE	cmd.exe
PID 1260 wrote to memory of 584	1260	Explorer.EXE	cmd.exe
PID 584 wrote to memory of 1112	584	cmd.exe	nslookup.exe
PID 584 wrote to memory of 1112	584	cmd.exe	nslookup.exe
PID 584 wrote to memory of 1112	584	cmd.exe	nslookup.exe
PID 1260 wrote to memory of 1092	1260	Explorer.EXE	cmd.exe
PID 1260 wrote to memory of 1092	1260	Explorer.EXE	cmd.exe
PID 1260 wrote to memory of 1092	1260	Explorer.EXE	cmd.exe
PID 1260 wrote to memory of 2044	1260	Explorer.EXE	cmd.exe
PID 1260 wrote to memory of 2044	1260	Explorer.EXE	cmd.exe
PID 1260 wrote to memory of 2044	1260	Explorer.EXE	cmd.exe
PID 1260 wrote to memory of 2044	1260	Explorer.EXE	cmd.exe
PID 1260 wrote to memory of 2044	1260	Explorer.EXE	cmd.exe
PID 1260 wrote to memory of 2044	1260	Explorer.EXE	cmd.exe
PID 1260 wrote to memory of 2044	1260	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: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1260

C:\Users\Admin\AppData\Local\Temp\7c35ac9b94a6e3cbcadf70b8c6d42c0a8385bb6b58953db4adec28e8eee8d120.exe
"C:\Users\Admin\AppData\Local\Temp\7c35ac9b94a6e3cbcadf70b8c6d42c0a8385bb6b58953db4adec28e8eee8d120.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1648

C:\Windows\system32\control.exe
C:\Windows\system32\control.exe /?
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1248

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL /?
4⤵
PID:1072

C:\Windows\system32\cmd.exe
cmd /C "nslookup myip.opendns.com resolver1.opendns.com > C:\Users\Admin\AppData\Local\Temp\6B0C.bi1"
2⤵
- Suspicious use of WriteProcessMemory
PID:584

C:\Windows\system32\nslookup.exe
nslookup myip.opendns.com resolver1.opendns.com
3⤵
PID:1112

C:\Windows\system32\cmd.exe
cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\6B0C.bi1"
2⤵
PID:1092

C:\Windows\syswow64\cmd.exe
"C:\Windows\syswow64\cmd.exe" /C pause dll mail, ,
2⤵
PID:2044

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\6B0C.bi1
Filesize
118B

MD5
4f6429322fdfd711b81d8824b25fcd9c

SHA1
f7f917b64dd43b620bacd21f134d430d3c406aec

SHA256
d22c844d015c874bbdbeb12b73ef54585cbd435c28f50d536fb4ace26d859ed8

SHA512
e661f8d79b031a4a043a388ec17d82b5092859ac1d0ce6668a082feecf1da5665837ad1ef984751c7be174bbb6c1012f45d9f550d5cf65dc8b0e6cddcbdb0816

Download Submit
C:\Users\Admin\AppData\Local\Temp\6B0C.bi1
Filesize
118B

MD5
4f6429322fdfd711b81d8824b25fcd9c

SHA1
f7f917b64dd43b620bacd21f134d430d3c406aec

SHA256
d22c844d015c874bbdbeb12b73ef54585cbd435c28f50d536fb4ace26d859ed8

SHA512
e661f8d79b031a4a043a388ec17d82b5092859ac1d0ce6668a082feecf1da5665837ad1ef984751c7be174bbb6c1012f45d9f550d5cf65dc8b0e6cddcbdb0816

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Certhell\audipcfg.exe
Filesize
663KB

MD5
7a4af18d561a31a156762b6cf01b981e

SHA1
f4222f6bc717d0f6280b53c58549e6633bd8c7bc

SHA256
7c35ac9b94a6e3cbcadf70b8c6d42c0a8385bb6b58953db4adec28e8eee8d120

SHA512
97c0d7977dfb218a5c31c12a358e45ca18423c11c59e38884b1de0c1feb86c34aa8e11272b9b5971998967630ba983538af0645f1bee4b5ab86f2f23e707a9a9

Download Submit
memory/584-74-0x0000000000000000-mapping.dmp

Download
memory/1072-72-0x0000000001B20000-0x0000000001BD1000-memory.dmp

Filesize
708KB

Download
memory/1072-69-0x0000000000000000-mapping.dmp

Download
memory/1092-76-0x0000000000000000-mapping.dmp

Download
memory/1112-75-0x0000000000000000-mapping.dmp

Download
memory/1248-65-0x0000000000000000-mapping.dmp

Download
memory/1248-67-0x000007FEFBEA1000-0x000007FEFBEA3000-memory.dmp

Filesize
8KB

Download
memory/1248-71-0x00000000000E0000-0x0000000000191000-memory.dmp

Filesize
708KB

Download
memory/1248-73-0x00000000000E0000-0x0000000000191000-memory.dmp

Filesize
708KB

Download
memory/1260-70-0x00000000041A0000-0x0000000004251000-memory.dmp

Filesize
708KB

Download
memory/1648-66-0x0000000000670000-0x00000000006BC000-memory.dmp

Filesize
304KB

Download
memory/1648-54-0x0000000000670000-0x00000000006BC000-memory.dmp

Filesize
304KB

Download
memory/1648-58-0x0000000001D50000-0x0000000001D9A000-memory.dmp

Filesize
296KB

Download
memory/1648-57-0x00000000761D1000-0x00000000761D3000-memory.dmp

Filesize
8KB

Download
memory/1648-56-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1648-55-0x00000000008E0000-0x0000000000929000-memory.dmp

Filesize
292KB

Download
memory/2044-79-0x0000000000000000-mapping.dmp

Download
memory/2044-80-0x0000000000350000-0x00000000003F4000-memory.dmp

Filesize
656KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads