gozi_ifsb | 3c181213b4ce99bf4329a9bf6c880199ef971531f164c0f2e570ab3b0e7d5304

General

Target

3c181213b4ce99bf4329a9bf6c880199ef971531f164c0f2e570ab3b0e7d5304.dll
Size

1.1MB
MD5

b91e58d4b7dbf84c497a25dceca80366
SHA1

d13c7920c28a9dc2677b238f1ad5b2d6526a16c5
SHA256

3c181213b4ce99bf4329a9bf6c880199ef971531f164c0f2e570ab3b0e7d5304
SHA512

dce948f35a4e065f48fe30a58185ba32b1d00029f55306cab9a0fbc5f5f0c0a2a677c035f6e31bd499e1f905d88b1fcb40dbdb70745b1832ae9e5f0f36a89473

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-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Appvvel9 = "rundll32 \"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Asfeynth\\APHoFWGP.dll\",DllRegisterServer"	Explorer.EXE

Suspicious use of SetThreadContext 8 IoCs

Processes:

rundll32.execontrol.exeExplorer.EXE

description	pid	process	target process
PID 776 set thread context of 548	776	rundll32.exe	control.exe
PID 548 set thread context of 1504	548	control.exe	Explorer.EXE
PID 1504 set thread context of 3528	1504	Explorer.EXE	RuntimeBroker.exe
PID 1504 set thread context of 3824	1504	Explorer.EXE	RuntimeBroker.exe
PID 1504 set thread context of 2612	1504	Explorer.EXE	RuntimeBroker.exe
PID 548 set thread context of 3968	548	control.exe	rundll32.exe
PID 1504 set thread context of 2592	1504	Explorer.EXE	RuntimeBroker.exe
PID 1504 set thread context of 3780	1504	Explorer.EXE	cmd.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

rundll32.exeExplorer.EXE

pid process

776 rundll32.exe
776 rundll32.exe
1504 Explorer.EXE
1504 Explorer.EXE
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1504 Explorer.EXE
Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

rundll32.execontrol.exeExplorer.EXE

pid process

776 rundll32.exe
548 control.exe
1504 Explorer.EXE
1504 Explorer.EXE
1504 Explorer.EXE
548 control.exe
1504 Explorer.EXE
1504 Explorer.EXE

pid	process
776	rundll32.exe
776	rundll32.exe
1504	Explorer.EXE
1504	Explorer.EXE

pid	process
1504	Explorer.EXE

pid	process
776	rundll32.exe
548	control.exe
1504	Explorer.EXE
1504	Explorer.EXE
1504	Explorer.EXE
548	control.exe
1504	Explorer.EXE
1504	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

Explorer.EXE

description	pid	process
Token: SeShutdownPrivilege	1504	Explorer.EXE
Token: SeCreatePagefilePrivilege	1504	Explorer.EXE
Token: SeShutdownPrivilege	1504	Explorer.EXE
Token: SeCreatePagefilePrivilege	1504	Explorer.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Explorer.EXE

pid process

1504 Explorer.EXE

pid	process
1504	Explorer.EXE

Suspicious use of WriteProcessMemory 40 IoCs

Processes:

rundll32.exerundll32.execontrol.exeExplorer.EXEcmd.exe

description	pid	process	target process
PID 4256 wrote to memory of 776	4256	rundll32.exe	rundll32.exe
PID 4256 wrote to memory of 776	4256	rundll32.exe	rundll32.exe
PID 4256 wrote to memory of 776	4256	rundll32.exe	rundll32.exe
PID 776 wrote to memory of 548	776	rundll32.exe	control.exe
PID 776 wrote to memory of 548	776	rundll32.exe	control.exe
PID 776 wrote to memory of 548	776	rundll32.exe	control.exe
PID 776 wrote to memory of 548	776	rundll32.exe	control.exe
PID 776 wrote to memory of 548	776	rundll32.exe	control.exe
PID 548 wrote to memory of 1504	548	control.exe	Explorer.EXE
PID 548 wrote to memory of 1504	548	control.exe	Explorer.EXE
PID 548 wrote to memory of 1504	548	control.exe	Explorer.EXE
PID 1504 wrote to memory of 3528	1504	Explorer.EXE	RuntimeBroker.exe
PID 1504 wrote to memory of 3528	1504	Explorer.EXE	RuntimeBroker.exe
PID 1504 wrote to memory of 3528	1504	Explorer.EXE	RuntimeBroker.exe
PID 1504 wrote to memory of 3824	1504	Explorer.EXE	RuntimeBroker.exe
PID 548 wrote to memory of 3968	548	control.exe	rundll32.exe
PID 548 wrote to memory of 3968	548	control.exe	rundll32.exe
PID 548 wrote to memory of 3968	548	control.exe	rundll32.exe
PID 1504 wrote to memory of 3824	1504	Explorer.EXE	RuntimeBroker.exe
PID 1504 wrote to memory of 3824	1504	Explorer.EXE	RuntimeBroker.exe
PID 1504 wrote to memory of 2612	1504	Explorer.EXE	RuntimeBroker.exe
PID 1504 wrote to memory of 2612	1504	Explorer.EXE	RuntimeBroker.exe
PID 1504 wrote to memory of 2612	1504	Explorer.EXE	RuntimeBroker.exe
PID 1504 wrote to memory of 2592	1504	Explorer.EXE	RuntimeBroker.exe
PID 548 wrote to memory of 3968	548	control.exe	rundll32.exe
PID 548 wrote to memory of 3968	548	control.exe	rundll32.exe
PID 1504 wrote to memory of 2592	1504	Explorer.EXE	RuntimeBroker.exe
PID 1504 wrote to memory of 2592	1504	Explorer.EXE	RuntimeBroker.exe
PID 1504 wrote to memory of 2324	1504	Explorer.EXE	cmd.exe
PID 1504 wrote to memory of 2324	1504	Explorer.EXE	cmd.exe
PID 2324 wrote to memory of 2232	2324	cmd.exe	nslookup.exe
PID 2324 wrote to memory of 2232	2324	cmd.exe	nslookup.exe
PID 1504 wrote to memory of 2928	1504	Explorer.EXE	cmd.exe
PID 1504 wrote to memory of 2928	1504	Explorer.EXE	cmd.exe
PID 1504 wrote to memory of 3780	1504	Explorer.EXE	cmd.exe
PID 1504 wrote to memory of 3780	1504	Explorer.EXE	cmd.exe
PID 1504 wrote to memory of 3780	1504	Explorer.EXE	cmd.exe
PID 1504 wrote to memory of 3780	1504	Explorer.EXE	cmd.exe
PID 1504 wrote to memory of 3780	1504	Explorer.EXE	cmd.exe
PID 1504 wrote to memory of 3780	1504	Explorer.EXE	cmd.exe

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3528

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:2612

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3824

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:1504

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3c181213b4ce99bf4329a9bf6c880199ef971531f164c0f2e570ab3b0e7d5304.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:4256

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3c181213b4ce99bf4329a9bf6c880199ef971531f164c0f2e570ab3b0e7d5304.dll,#1
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:776

C:\Windows\system32\control.exe
C:\Windows\system32\control.exe /?
4⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:548

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL /?
5⤵
PID:3968

C:\Windows\system32\cmd.exe
cmd /C "nslookup myip.opendns.com resolver1.opendns.com > C:\Users\Admin\AppData\Local\Temp\6138.bi1"
2⤵
- Suspicious use of WriteProcessMemory
PID:2324

C:\Windows\system32\nslookup.exe
nslookup myip.opendns.com resolver1.opendns.com
3⤵
PID:2232

C:\Windows\system32\cmd.exe
cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\6138.bi1"
2⤵
PID:2928

C:\Windows\syswow64\cmd.exe
"C:\Windows\syswow64\cmd.exe" /C pause dll mail, ,
2⤵
PID:3780

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:2592

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\6138.bi1
Filesize
118B

MD5
4f6429322fdfd711b81d8824b25fcd9c

SHA1
f7f917b64dd43b620bacd21f134d430d3c406aec

SHA256
d22c844d015c874bbdbeb12b73ef54585cbd435c28f50d536fb4ace26d859ed8

SHA512
e661f8d79b031a4a043a388ec17d82b5092859ac1d0ce6668a082feecf1da5665837ad1ef984751c7be174bbb6c1012f45d9f550d5cf65dc8b0e6cddcbdb0816

Download Submit
C:\Users\Admin\AppData\Local\Temp\6138.bi1
Filesize
118B

MD5
4f6429322fdfd711b81d8824b25fcd9c

SHA1
f7f917b64dd43b620bacd21f134d430d3c406aec

SHA256
d22c844d015c874bbdbeb12b73ef54585cbd435c28f50d536fb4ace26d859ed8

SHA512
e661f8d79b031a4a043a388ec17d82b5092859ac1d0ce6668a082feecf1da5665837ad1ef984751c7be174bbb6c1012f45d9f550d5cf65dc8b0e6cddcbdb0816

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Asfeynth\APHoFWGP.dll
Filesize
1.1MB

MD5
b91e58d4b7dbf84c497a25dceca80366

SHA1
d13c7920c28a9dc2677b238f1ad5b2d6526a16c5

SHA256
3c181213b4ce99bf4329a9bf6c880199ef971531f164c0f2e570ab3b0e7d5304

SHA512
dce948f35a4e065f48fe30a58185ba32b1d00029f55306cab9a0fbc5f5f0c0a2a677c035f6e31bd499e1f905d88b1fcb40dbdb70745b1832ae9e5f0f36a89473

Download Submit
memory/548-146-0x0000000000000000-mapping.dmp

Download
memory/548-151-0x0000000000780000-0x0000000000831000-memory.dmp

Filesize
708KB

Download
memory/776-138-0x00000000028B0000-0x00000000028FA000-memory.dmp

Filesize
296KB

Download
memory/776-136-0x0000000001E90000-0x00000000028AB000-memory.dmp

Filesize
10.1MB

Download
memory/776-130-0x0000000000000000-mapping.dmp

Download
memory/776-145-0x0000000001E90000-0x00000000028AB000-memory.dmp

Filesize
10.1MB

Download
memory/776-137-0x0000000001E90000-0x00000000028AB000-memory.dmp

Filesize
10.1MB

Download
memory/776-147-0x0000000001E90000-0x00000000028AB000-memory.dmp

Filesize
10.1MB

Download
memory/776-135-0x0000000001E91000-0x0000000001F48000-memory.dmp

Filesize
732KB

Download
memory/776-131-0x0000000001E90000-0x00000000028AB000-memory.dmp

Filesize
10.1MB

Download
memory/776-133-0x0000000001E90000-0x00000000028AB000-memory.dmp

Filesize
10.1MB

Download
memory/776-134-0x0000000001E90000-0x0000000001EDB000-memory.dmp

Filesize
300KB

Download
memory/1504-152-0x0000000007C90000-0x0000000007D41000-memory.dmp

Filesize
708KB

Download
memory/2232-158-0x0000000000000000-mapping.dmp

Download
memory/2324-157-0x0000000000000000-mapping.dmp

Download
memory/2592-156-0x00000199E6310000-0x00000199E63C1000-memory.dmp

Filesize
708KB

Download
memory/2612-155-0x000001A7CE830000-0x000001A7CE8E1000-memory.dmp

Filesize
708KB

Download
memory/2928-159-0x0000000000000000-mapping.dmp

Download
memory/3528-153-0x000001E5721F0000-0x000001E5722A1000-memory.dmp

Filesize
708KB

Download
memory/3780-162-0x0000000000000000-mapping.dmp

Download
memory/3780-163-0x0000000000DE6B20-0x0000000000DE6B24-memory.dmp

Filesize
4B

Download
memory/3780-164-0x00000000016F0000-0x0000000001794000-memory.dmp

Filesize
656KB

Download
memory/3824-154-0x000001B8D6510000-0x000001B8D65C1000-memory.dmp

Filesize
708KB

Download
memory/3968-150-0x000002345DEC0000-0x000002345DF71000-memory.dmp

Filesize
708KB

Download
memory/3968-149-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads