gozi_ifsb | 71d9e57d89e3860945c8387a30003019db562b400b8622fa016269344179193e

General

Target

71d9e57d89e3860945c8387a30003019db562b400b8622fa016269344179193e.dll
Size

1.1MB
MD5

8f0ffcd74556bcc700158d38e02b00ee
SHA1

8e8706b6394a205eb4cb5d23dcb1f5fe5a0bafab
SHA256

71d9e57d89e3860945c8387a30003019db562b400b8622fa016269344179193e
SHA512

eab7b400a0288a725196904228d38466efa6f0a120666781dee2fae0ac34f5275eb628e7a06af73f4fefec6d18e21e972c3e5cb133541809876daa4d52ea0517

Score

10^/10

gozi_ifsb 1000 banker persistence trojan

Malware Config

Extracted

Family

gozi_ifsb

Botnet

1000

C2

http://ey7kuuklgieop2pq.onion

http://shoshanna.at

http://buismashallah.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-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dfshngle = "rundll32 \"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Crypider\\bridclen.dll\",DllRegisterServer"	Explorer.EXE

Suspicious use of SetThreadContext 6 IoCs

Processes:

rundll32.execontrol.exeExplorer.EXE

description	pid	process	target process
PID 1848 set thread context of 4724	1848	rundll32.exe	control.exe
PID 4724 set thread context of 3292	4724	control.exe	Explorer.EXE
PID 3292 set thread context of 3772	3292	Explorer.EXE	RuntimeBroker.exe
PID 3292 set thread context of 3992	3292	Explorer.EXE	RuntimeBroker.exe
PID 4724 set thread context of 5100	4724	control.exe	rundll32.exe
PID 3292 set thread context of 2260	3292	Explorer.EXE	cmd.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

rundll32.exeExplorer.EXE

pid process

1848 rundll32.exe
1848 rundll32.exe
3292 Explorer.EXE
3292 Explorer.EXE
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3292 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

rundll32.execontrol.exeExplorer.EXE

pid process

1848 rundll32.exe
4724 control.exe
3292 Explorer.EXE
3292 Explorer.EXE
4724 control.exe
3292 Explorer.EXE

pid	process
1848	rundll32.exe
1848	rundll32.exe
3292	Explorer.EXE
3292	Explorer.EXE

pid	process
3292	Explorer.EXE

pid	process
1848	rundll32.exe
4724	control.exe
3292	Explorer.EXE
3292	Explorer.EXE
4724	control.exe
3292	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

Explorer.EXE

description	pid	process
Token: SeShutdownPrivilege	3292	Explorer.EXE
Token: SeCreatePagefilePrivilege	3292	Explorer.EXE
Token: SeShutdownPrivilege	3292	Explorer.EXE
Token: SeCreatePagefilePrivilege	3292	Explorer.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Explorer.EXE

pid process

3292 Explorer.EXE

pid	process
3292	Explorer.EXE

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

rundll32.exerundll32.execontrol.exeExplorer.EXEcmd.exe

description	pid	process	target process
PID 4420 wrote to memory of 1848	4420	rundll32.exe	rundll32.exe
PID 4420 wrote to memory of 1848	4420	rundll32.exe	rundll32.exe
PID 4420 wrote to memory of 1848	4420	rundll32.exe	rundll32.exe
PID 1848 wrote to memory of 4724	1848	rundll32.exe	control.exe
PID 1848 wrote to memory of 4724	1848	rundll32.exe	control.exe
PID 1848 wrote to memory of 4724	1848	rundll32.exe	control.exe
PID 1848 wrote to memory of 4724	1848	rundll32.exe	control.exe
PID 1848 wrote to memory of 4724	1848	rundll32.exe	control.exe
PID 4724 wrote to memory of 3292	4724	control.exe	Explorer.EXE
PID 4724 wrote to memory of 3292	4724	control.exe	Explorer.EXE
PID 4724 wrote to memory of 3292	4724	control.exe	Explorer.EXE
PID 3292 wrote to memory of 3772	3292	Explorer.EXE	RuntimeBroker.exe
PID 3292 wrote to memory of 3772	3292	Explorer.EXE	RuntimeBroker.exe
PID 3292 wrote to memory of 3772	3292	Explorer.EXE	RuntimeBroker.exe
PID 3292 wrote to memory of 3992	3292	Explorer.EXE	RuntimeBroker.exe
PID 3292 wrote to memory of 3992	3292	Explorer.EXE	RuntimeBroker.exe
PID 3292 wrote to memory of 3992	3292	Explorer.EXE	RuntimeBroker.exe
PID 4724 wrote to memory of 5100	4724	control.exe	rundll32.exe
PID 4724 wrote to memory of 5100	4724	control.exe	rundll32.exe
PID 4724 wrote to memory of 5100	4724	control.exe	rundll32.exe
PID 4724 wrote to memory of 5100	4724	control.exe	rundll32.exe
PID 4724 wrote to memory of 5100	4724	control.exe	rundll32.exe
PID 3292 wrote to memory of 4604	3292	Explorer.EXE	cmd.exe
PID 3292 wrote to memory of 4604	3292	Explorer.EXE	cmd.exe
PID 4604 wrote to memory of 224	4604	cmd.exe	nslookup.exe
PID 4604 wrote to memory of 224	4604	cmd.exe	nslookup.exe
PID 3292 wrote to memory of 1424	3292	Explorer.EXE	cmd.exe
PID 3292 wrote to memory of 1424	3292	Explorer.EXE	cmd.exe
PID 3292 wrote to memory of 2260	3292	Explorer.EXE	cmd.exe
PID 3292 wrote to memory of 2260	3292	Explorer.EXE	cmd.exe
PID 3292 wrote to memory of 2260	3292	Explorer.EXE	cmd.exe
PID 3292 wrote to memory of 2260	3292	Explorer.EXE	cmd.exe
PID 3292 wrote to memory of 2260	3292	Explorer.EXE	cmd.exe
PID 3292 wrote to memory of 2260	3292	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:3292

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\71d9e57d89e3860945c8387a30003019db562b400b8622fa016269344179193e.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:4420

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\71d9e57d89e3860945c8387a30003019db562b400b8622fa016269344179193e.dll,#1
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1848

C:\Windows\system32\control.exe
C:\Windows\system32\control.exe /?
4⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4724

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL /?
5⤵
PID:5100

C:\Windows\system32\cmd.exe
cmd /C "nslookup myip.opendns.com resolver1.opendns.com > C:\Users\Admin\AppData\Local\Temp\81D0.bi1"
2⤵
- Suspicious use of WriteProcessMemory
PID:4604

C:\Windows\system32\nslookup.exe
nslookup myip.opendns.com resolver1.opendns.com
3⤵
PID:224

C:\Windows\system32\cmd.exe
cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\81D0.bi1"
2⤵
PID:1424

C:\Windows\syswow64\cmd.exe
"C:\Windows\syswow64\cmd.exe" /C pause dll mail, ,
2⤵
PID:2260

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3772

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3992

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\81D0.bi1
Filesize
118B

MD5
ace7e9f29953c4fbd6a930b50f792079

SHA1
97511e3438221ac9c30944fca7b91e87978c1248

SHA256
58b498e17cfc59584aae9620ca60d657e3691c7bfc1896e581f3f9292390bfd8

SHA512
5dc35105667f0e1231fd21b85a7dbc65f207251efbbe173545d8f0172272b0ad68cc084514f8b034b998194a4e63b29ffb862243c65bf14ab0eba3ee2d081106

Download Submit
C:\Users\Admin\AppData\Local\Temp\81D0.bi1
Filesize
118B

MD5
ace7e9f29953c4fbd6a930b50f792079

SHA1
97511e3438221ac9c30944fca7b91e87978c1248

SHA256
58b498e17cfc59584aae9620ca60d657e3691c7bfc1896e581f3f9292390bfd8

SHA512
5dc35105667f0e1231fd21b85a7dbc65f207251efbbe173545d8f0172272b0ad68cc084514f8b034b998194a4e63b29ffb862243c65bf14ab0eba3ee2d081106

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Crypider\bridclen.dll
Filesize
1.1MB

MD5
8f0ffcd74556bcc700158d38e02b00ee

SHA1
8e8706b6394a205eb4cb5d23dcb1f5fe5a0bafab

SHA256
71d9e57d89e3860945c8387a30003019db562b400b8622fa016269344179193e

SHA512
eab7b400a0288a725196904228d38466efa6f0a120666781dee2fae0ac34f5275eb628e7a06af73f4fefec6d18e21e972c3e5cb133541809876daa4d52ea0517

Download Submit
memory/224-157-0x0000000000000000-mapping.dmp

Download
memory/1424-158-0x0000000000000000-mapping.dmp

Download
memory/1848-137-0x0000000002360000-0x0000000002D7B000-memory.dmp

Filesize
10.1MB

Download
memory/1848-136-0x0000000002361000-0x0000000002418000-memory.dmp

Filesize
732KB

Download
memory/1848-139-0x0000000000BF0000-0x0000000000C3A000-memory.dmp

Filesize
296KB

Download
memory/1848-132-0x0000000002360000-0x0000000002D7B000-memory.dmp

Filesize
10.1MB

Download
memory/1848-147-0x0000000002360000-0x0000000002D7B000-memory.dmp

Filesize
10.1MB

Download
memory/1848-135-0x0000000002360000-0x00000000023AB000-memory.dmp

Filesize
300KB

Download
memory/1848-131-0x0000000000000000-mapping.dmp

Download
memory/1848-138-0x0000000002360000-0x0000000002D7B000-memory.dmp

Filesize
10.1MB

Download
memory/1848-134-0x0000000002360000-0x0000000002D7B000-memory.dmp

Filesize
10.1MB

Download
memory/2260-162-0x0000000000116B20-0x0000000000116B24-memory.dmp

Filesize
4B

Download
memory/2260-161-0x0000000000000000-mapping.dmp

Download
memory/2260-163-0x0000000000DC0000-0x0000000000E64000-memory.dmp

Filesize
656KB

Download
memory/3292-149-0x0000000003380000-0x0000000003431000-memory.dmp

Filesize
708KB

Download
memory/3772-152-0x000002C9F0DB0000-0x000002C9F0E61000-memory.dmp

Filesize
708KB

Download
memory/3992-153-0x000001500FC30000-0x000001500FCE1000-memory.dmp

Filesize
708KB

Download
memory/4604-156-0x0000000000000000-mapping.dmp

Download
memory/4724-155-0x0000000000B40000-0x0000000000BF1000-memory.dmp

Filesize
708KB

Download
memory/4724-151-0x0000000000B40000-0x0000000000BF1000-memory.dmp

Filesize
708KB

Download
memory/4724-146-0x0000000000000000-mapping.dmp

Download
memory/5100-154-0x000001E1867F0000-0x000001E1868A1000-memory.dmp

Filesize
708KB

Download
memory/5100-150-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads