gozi_ifsb | 86850bbf046bc1c9c33efe881effd67af0a753890e7c833cc52fe10b14a19607

General

Target

86850bbf046bc1c9c33efe881effd67af0a753890e7c833cc52fe10b14a19607.dll
Size

1.2MB
MD5

61a6e9eb4e7fadde64147a6ff1a4859b
SHA1

65237daa32a2049b6cc09caa0080c9a089b639b7
SHA256

86850bbf046bc1c9c33efe881effd67af0a753890e7c833cc52fe10b14a19607
SHA512

dcb05784421123d1c7b7110446e932a5ac12dc98b0b27eb237b0694cf37e2af8d70a0e96ad9fc1e23a875e91d225316f2dd033ec94e7fb2ddcbc22de253db043

Score

10^/10

gozi_ifsb 304 banker persistence trojan

Malware Config

Extracted

Family

gozi_ifsb

Botnet

304

C2

http://aaxvkah7dudzoloq.onion

http://tahhir.at

http://limpopo.at

http://estate-advice.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 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-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\appmgcfg = "rundll32 \"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Appimapi\\advptcls.dll\",DllRegisterServer"	Explorer.EXE

Suspicious use of SetThreadContext 4 IoCs

Processes:

rundll32.execontrol.exeExplorer.EXE

description	pid	process	target process
PID 1824 set thread context of 1728	1824	rundll32.exe	control.exe
PID 1728 set thread context of 1368	1728	control.exe	Explorer.EXE
PID 1728 set thread context of 280	1728	control.exe	rundll32.exe
PID 1368 set thread context of 1904	1368	Explorer.EXE	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exeExplorer.EXE

pid process

1824 rundll32.exe
1368 Explorer.EXE
Suspicious behavior: MapViewOfSection 4 IoCs

Processes:

rundll32.execontrol.exeExplorer.EXE

pid process

1824 rundll32.exe
1728 control.exe
1728 control.exe
1368 Explorer.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1368 Explorer.EXE
1368 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1368 Explorer.EXE
1368 Explorer.EXE
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Explorer.EXE

pid process

1368 Explorer.EXE

pid	process
1824	rundll32.exe
1368	Explorer.EXE

pid	process
1824	rundll32.exe
1728	control.exe
1728	control.exe
1368	Explorer.EXE

pid	process
1368	Explorer.EXE
1368	Explorer.EXE

pid	process
1368	Explorer.EXE
1368	Explorer.EXE

pid	process
1368	Explorer.EXE

Suspicious use of WriteProcessMemory 39 IoCs

Processes:

rundll32.exerundll32.execontrol.exeExplorer.EXEcmd.exe

description	pid	process	target process
PID 1980 wrote to memory of 1824	1980	rundll32.exe	rundll32.exe
PID 1980 wrote to memory of 1824	1980	rundll32.exe	rundll32.exe
PID 1980 wrote to memory of 1824	1980	rundll32.exe	rundll32.exe
PID 1980 wrote to memory of 1824	1980	rundll32.exe	rundll32.exe
PID 1980 wrote to memory of 1824	1980	rundll32.exe	rundll32.exe
PID 1980 wrote to memory of 1824	1980	rundll32.exe	rundll32.exe
PID 1980 wrote to memory of 1824	1980	rundll32.exe	rundll32.exe
PID 1824 wrote to memory of 1728	1824	rundll32.exe	control.exe
PID 1824 wrote to memory of 1728	1824	rundll32.exe	control.exe
PID 1824 wrote to memory of 1728	1824	rundll32.exe	control.exe
PID 1824 wrote to memory of 1728	1824	rundll32.exe	control.exe
PID 1824 wrote to memory of 1728	1824	rundll32.exe	control.exe
PID 1824 wrote to memory of 1728	1824	rundll32.exe	control.exe
PID 1824 wrote to memory of 1728	1824	rundll32.exe	control.exe
PID 1728 wrote to memory of 1368	1728	control.exe	Explorer.EXE
PID 1728 wrote to memory of 1368	1728	control.exe	Explorer.EXE
PID 1728 wrote to memory of 1368	1728	control.exe	Explorer.EXE
PID 1728 wrote to memory of 280	1728	control.exe	rundll32.exe
PID 1728 wrote to memory of 280	1728	control.exe	rundll32.exe
PID 1728 wrote to memory of 280	1728	control.exe	rundll32.exe
PID 1728 wrote to memory of 280	1728	control.exe	rundll32.exe
PID 1728 wrote to memory of 280	1728	control.exe	rundll32.exe
PID 1728 wrote to memory of 280	1728	control.exe	rundll32.exe
PID 1368 wrote to memory of 964	1368	Explorer.EXE	cmd.exe
PID 1368 wrote to memory of 964	1368	Explorer.EXE	cmd.exe
PID 1368 wrote to memory of 964	1368	Explorer.EXE	cmd.exe
PID 964 wrote to memory of 1220	964	cmd.exe	nslookup.exe
PID 964 wrote to memory of 1220	964	cmd.exe	nslookup.exe
PID 964 wrote to memory of 1220	964	cmd.exe	nslookup.exe
PID 1368 wrote to memory of 1236	1368	Explorer.EXE	cmd.exe
PID 1368 wrote to memory of 1236	1368	Explorer.EXE	cmd.exe
PID 1368 wrote to memory of 1236	1368	Explorer.EXE	cmd.exe
PID 1368 wrote to memory of 1904	1368	Explorer.EXE	cmd.exe
PID 1368 wrote to memory of 1904	1368	Explorer.EXE	cmd.exe
PID 1368 wrote to memory of 1904	1368	Explorer.EXE	cmd.exe
PID 1368 wrote to memory of 1904	1368	Explorer.EXE	cmd.exe
PID 1368 wrote to memory of 1904	1368	Explorer.EXE	cmd.exe
PID 1368 wrote to memory of 1904	1368	Explorer.EXE	cmd.exe
PID 1368 wrote to memory of 1904	1368	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:1368

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\86850bbf046bc1c9c33efe881effd67af0a753890e7c833cc52fe10b14a19607.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1980

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\86850bbf046bc1c9c33efe881effd67af0a753890e7c833cc52fe10b14a19607.dll,#1
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1824

C:\Windows\system32\control.exe
C:\Windows\system32\control.exe /?
4⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1728

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL /?
5⤵
PID:280

C:\Windows\system32\cmd.exe
cmd /C "nslookup myip.opendns.com resolver1.opendns.com > C:\Users\Admin\AppData\Local\Temp\E2E0.bi1"
2⤵
- Suspicious use of WriteProcessMemory
PID:964

C:\Windows\system32\nslookup.exe
nslookup myip.opendns.com resolver1.opendns.com
3⤵
PID:1220

C:\Windows\system32\cmd.exe
cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\E2E0.bi1"
2⤵
PID:1236

C:\Windows\syswow64\cmd.exe
"C:\Windows\syswow64\cmd.exe" /C pause dll mail, ,
2⤵
PID:1904

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\E2E0.bi1
Filesize
118B

MD5
4f6429322fdfd711b81d8824b25fcd9c

SHA1
f7f917b64dd43b620bacd21f134d430d3c406aec

SHA256
d22c844d015c874bbdbeb12b73ef54585cbd435c28f50d536fb4ace26d859ed8

SHA512
e661f8d79b031a4a043a388ec17d82b5092859ac1d0ce6668a082feecf1da5665837ad1ef984751c7be174bbb6c1012f45d9f550d5cf65dc8b0e6cddcbdb0816

Download Submit
C:\Users\Admin\AppData\Local\Temp\E2E0.bi1
Filesize
118B

MD5
4f6429322fdfd711b81d8824b25fcd9c

SHA1
f7f917b64dd43b620bacd21f134d430d3c406aec

SHA256
d22c844d015c874bbdbeb12b73ef54585cbd435c28f50d536fb4ace26d859ed8

SHA512
e661f8d79b031a4a043a388ec17d82b5092859ac1d0ce6668a082feecf1da5665837ad1ef984751c7be174bbb6c1012f45d9f550d5cf65dc8b0e6cddcbdb0816

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Appimapi\advptcls.dll
Filesize
1.2MB

MD5
61a6e9eb4e7fadde64147a6ff1a4859b

SHA1
65237daa32a2049b6cc09caa0080c9a089b639b7

SHA256
86850bbf046bc1c9c33efe881effd67af0a753890e7c833cc52fe10b14a19607

SHA512
dcb05784421123d1c7b7110446e932a5ac12dc98b0b27eb237b0694cf37e2af8d70a0e96ad9fc1e23a875e91d225316f2dd033ec94e7fb2ddcbc22de253db043

Download Submit
memory/280-72-0x0000000001AE0000-0x0000000001B93000-memory.dmp

Filesize
716KB

Download
memory/280-71-0x0000000000000000-mapping.dmp

Download
memory/964-75-0x0000000000000000-mapping.dmp

Download
memory/1220-76-0x0000000000000000-mapping.dmp

Download
memory/1236-77-0x0000000000000000-mapping.dmp

Download
memory/1368-74-0x0000000003F20000-0x0000000003FD3000-memory.dmp

Filesize
716KB

Download
memory/1728-68-0x0000000001AD0000-0x0000000001B83000-memory.dmp

Filesize
716KB

Download
memory/1728-69-0x000007FEFBFC1000-0x000007FEFBFC3000-memory.dmp

Filesize
8KB

Download
memory/1728-66-0x0000000000000000-mapping.dmp

Download
memory/1728-73-0x0000000001AD0000-0x0000000001B83000-memory.dmp

Filesize
716KB

Download
memory/1824-59-0x00000000001A0000-0x00000000001EA000-memory.dmp

Filesize
296KB

Download
memory/1824-57-0x0000000010000000-0x000000001021D000-memory.dmp

Filesize
2.1MB

Download
memory/1824-54-0x0000000000000000-mapping.dmp

Download
memory/1824-58-0x0000000010000000-0x000000001021D000-memory.dmp

Filesize
2.1MB

Download
memory/1824-67-0x0000000010000000-0x000000001021D000-memory.dmp

Filesize
2.1MB

Download
memory/1824-56-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/1824-55-0x00000000768D1000-0x00000000768D3000-memory.dmp

Filesize
8KB

Download
memory/1904-80-0x0000000000000000-mapping.dmp

Download
memory/1904-81-0x00000000001F0000-0x0000000000295000-memory.dmp

Filesize
660KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads