gozi | 98ff05d78e476e05838f7483d6d47aa91123cabbf8b5123989bd7e2969778c61

General

Target

98ff05d78e476e05838f7483d6d47aa91123cabbf8b5123989bd7e2969778c61.dll
Size

1.1MB
MD5

640895fa0a1c22cf32b63cdd43727225
SHA1

6ed85dca7bbd489ed0e404337e855df3d835d0ae
SHA256

98ff05d78e476e05838f7483d6d47aa91123cabbf8b5123989bd7e2969778c61
SHA512

bc40a3e79b9c076048b3e239f81368fde349b11e67c0daa1121a39595eafe676178d816ce354639e737f6fb94e1b84769f20296374d23e516985de5316c28f3b
SSDEEP

24576:i30ixqmP/+GZgTXrHJB+pffKUmHaRLNW0wfpKncbBWZtxjB/s69oTGxUcbrJOBPO:i30ixj/aTXrH7+pHKUmHeLNW0wBKnc4L

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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\browawex = "rundll32 \"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\CIRCkmon\\Audimifs.dll\",DllRegisterServer"	Explorer.EXE

Suspicious use of SetThreadContext 7 IoCs

Processes:

rundll32.execontrol.exeExplorer.EXE

description	pid	process	target process
PID 5100 set thread context of 2208	5100	rundll32.exe	control.exe
PID 2208 set thread context of 744	2208	control.exe	Explorer.EXE
PID 744 set thread context of 3460	744	Explorer.EXE	RuntimeBroker.exe
PID 744 set thread context of 3768	744	Explorer.EXE	RuntimeBroker.exe
PID 2208 set thread context of 2776	2208	control.exe	rundll32.exe
PID 744 set thread context of 4764	744	Explorer.EXE	RuntimeBroker.exe
PID 744 set thread context of 2252	744	Explorer.EXE	cmd.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

rundll32.exeExplorer.EXE

pid process

5100 rundll32.exe
5100 rundll32.exe
744 Explorer.EXE
744 Explorer.EXE
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

744 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

rundll32.execontrol.exeExplorer.EXE

pid process

5100 rundll32.exe
2208 control.exe
744 Explorer.EXE
744 Explorer.EXE
2208 control.exe
744 Explorer.EXE
744 Explorer.EXE

pid	process
5100	rundll32.exe
5100	rundll32.exe
744	Explorer.EXE
744	Explorer.EXE

pid	process
744	Explorer.EXE

pid	process
5100	rundll32.exe
2208	control.exe
744	Explorer.EXE
744	Explorer.EXE
2208	control.exe
744	Explorer.EXE
744	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

Explorer.EXERuntimeBroker.exe

description	pid	process
Token: SeShutdownPrivilege	744	Explorer.EXE
Token: SeCreatePagefilePrivilege	744	Explorer.EXE
Token: SeShutdownPrivilege	744	Explorer.EXE
Token: SeCreatePagefilePrivilege	744	Explorer.EXE
Token: SeShutdownPrivilege	3460	RuntimeBroker.exe
Token: SeShutdownPrivilege	3460	RuntimeBroker.exe
Token: SeShutdownPrivilege	3460	RuntimeBroker.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Explorer.EXE

pid process

744 Explorer.EXE

pid	process
744	Explorer.EXE

Suspicious use of WriteProcessMemory 37 IoCs

Processes:

rundll32.exerundll32.execontrol.exeExplorer.EXEcmd.exe

description	pid	process	target process
PID 4808 wrote to memory of 5100	4808	rundll32.exe	rundll32.exe
PID 4808 wrote to memory of 5100	4808	rundll32.exe	rundll32.exe
PID 4808 wrote to memory of 5100	4808	rundll32.exe	rundll32.exe
PID 5100 wrote to memory of 2208	5100	rundll32.exe	control.exe
PID 5100 wrote to memory of 2208	5100	rundll32.exe	control.exe
PID 5100 wrote to memory of 2208	5100	rundll32.exe	control.exe
PID 5100 wrote to memory of 2208	5100	rundll32.exe	control.exe
PID 5100 wrote to memory of 2208	5100	rundll32.exe	control.exe
PID 2208 wrote to memory of 744	2208	control.exe	Explorer.EXE
PID 2208 wrote to memory of 744	2208	control.exe	Explorer.EXE
PID 2208 wrote to memory of 744	2208	control.exe	Explorer.EXE
PID 744 wrote to memory of 3460	744	Explorer.EXE	RuntimeBroker.exe
PID 744 wrote to memory of 3460	744	Explorer.EXE	RuntimeBroker.exe
PID 744 wrote to memory of 3460	744	Explorer.EXE	RuntimeBroker.exe
PID 744 wrote to memory of 3768	744	Explorer.EXE	RuntimeBroker.exe
PID 2208 wrote to memory of 2776	2208	control.exe	rundll32.exe
PID 2208 wrote to memory of 2776	2208	control.exe	rundll32.exe
PID 2208 wrote to memory of 2776	2208	control.exe	rundll32.exe
PID 744 wrote to memory of 3768	744	Explorer.EXE	RuntimeBroker.exe
PID 744 wrote to memory of 3768	744	Explorer.EXE	RuntimeBroker.exe
PID 744 wrote to memory of 4764	744	Explorer.EXE	RuntimeBroker.exe
PID 2208 wrote to memory of 2776	2208	control.exe	rundll32.exe
PID 2208 wrote to memory of 2776	2208	control.exe	rundll32.exe
PID 744 wrote to memory of 4764	744	Explorer.EXE	RuntimeBroker.exe
PID 744 wrote to memory of 4764	744	Explorer.EXE	RuntimeBroker.exe
PID 744 wrote to memory of 1464	744	Explorer.EXE	cmd.exe
PID 744 wrote to memory of 1464	744	Explorer.EXE	cmd.exe
PID 1464 wrote to memory of 4584	1464	cmd.exe	nslookup.exe
PID 1464 wrote to memory of 4584	1464	cmd.exe	nslookup.exe
PID 744 wrote to memory of 1876	744	Explorer.EXE	cmd.exe
PID 744 wrote to memory of 1876	744	Explorer.EXE	cmd.exe
PID 744 wrote to memory of 2252	744	Explorer.EXE	cmd.exe
PID 744 wrote to memory of 2252	744	Explorer.EXE	cmd.exe
PID 744 wrote to memory of 2252	744	Explorer.EXE	cmd.exe
PID 744 wrote to memory of 2252	744	Explorer.EXE	cmd.exe
PID 744 wrote to memory of 2252	744	Explorer.EXE	cmd.exe
PID 744 wrote to memory of 2252	744	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:744

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\98ff05d78e476e05838f7483d6d47aa91123cabbf8b5123989bd7e2969778c61.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:4808

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\98ff05d78e476e05838f7483d6d47aa91123cabbf8b5123989bd7e2969778c61.dll,#1
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:5100

C:\Windows\system32\control.exe
C:\Windows\system32\control.exe /?
4⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2208

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL /?
5⤵
PID:2776

C:\Windows\system32\cmd.exe
cmd /C "nslookup myip.opendns.com resolver1.opendns.com > C:\Users\Admin\AppData\Local\Temp\F01.bi1"
2⤵
- Suspicious use of WriteProcessMemory
PID:1464

C:\Windows\system32\nslookup.exe
nslookup myip.opendns.com resolver1.opendns.com
3⤵
PID:4584

C:\Windows\system32\cmd.exe
cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\F01.bi1"
2⤵
PID:1876

C:\Windows\syswow64\cmd.exe
"C:\Windows\syswow64\cmd.exe" /C pause dll mail, ,
2⤵
PID:2252

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3460

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3768

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4764

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\F01.bi1
Filesize
118B

MD5
41a49d1a2a3a8713a12ccf89932d4bb7

SHA1
b324e8bbcd4ca71a35d0c00ac63c0255e8ec4287

SHA256
f210a8e30967b13dabe340c45ce4a97e9c94ad74975728eccdd0a27edf29b5fe

SHA512
1fc256f2068eb9ac32c04bad119e94ba006808fd2be48db397eecf69acd6d8972334f81f8439d6e153a9cb99db618a613f3b0adf2b5784c264b61d4d5c0669b1

Download Submit
C:\Users\Admin\AppData\Local\Temp\F01.bi1
Filesize
118B

MD5
41a49d1a2a3a8713a12ccf89932d4bb7

SHA1
b324e8bbcd4ca71a35d0c00ac63c0255e8ec4287

SHA256
f210a8e30967b13dabe340c45ce4a97e9c94ad74975728eccdd0a27edf29b5fe

SHA512
1fc256f2068eb9ac32c04bad119e94ba006808fd2be48db397eecf69acd6d8972334f81f8439d6e153a9cb99db618a613f3b0adf2b5784c264b61d4d5c0669b1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\CIRCkmon\Audimifs.dll
Filesize
1.1MB

MD5
640895fa0a1c22cf32b63cdd43727225

SHA1
6ed85dca7bbd489ed0e404337e855df3d835d0ae

SHA256
98ff05d78e476e05838f7483d6d47aa91123cabbf8b5123989bd7e2969778c61

SHA512
bc40a3e79b9c076048b3e239f81368fde349b11e67c0daa1121a39595eafe676178d816ce354639e737f6fb94e1b84769f20296374d23e516985de5316c28f3b

Download Submit
memory/744-153-0x0000000002B20000-0x0000000002BD4000-memory.dmp

Filesize
720KB

Download
memory/744-146-0x0000000002B20000-0x0000000002BD4000-memory.dmp

Filesize
720KB

Download
memory/1464-154-0x0000000000000000-mapping.dmp

Download
memory/1876-156-0x0000000000000000-mapping.dmp

Download
memory/2208-142-0x0000000000000000-mapping.dmp

Download
memory/2208-147-0x0000000000AA0000-0x0000000000B54000-memory.dmp

Filesize
720KB

Download
memory/2208-151-0x0000000000AA0000-0x0000000000B54000-memory.dmp

Filesize
720KB

Download
memory/2252-161-0x0000000001410000-0x00000000014B7000-memory.dmp

Filesize
668KB

Download
memory/2252-160-0x0000000000D86B20-0x0000000000D86B24-memory.dmp

Filesize
4B

Download
memory/2252-159-0x0000000000000000-mapping.dmp

Download
memory/2776-150-0x000002DAE9760000-0x000002DAE9814000-memory.dmp

Filesize
720KB

Download
memory/2776-145-0x0000000000000000-mapping.dmp

Download
memory/3460-148-0x000001B020A90000-0x000001B020B44000-memory.dmp

Filesize
720KB

Download
memory/3768-149-0x000001F6DC610000-0x000001F6DC6C4000-memory.dmp

Filesize
720KB

Download
memory/4584-155-0x0000000000000000-mapping.dmp

Download
memory/4764-152-0x0000017D53870000-0x0000017D53924000-memory.dmp

Filesize
720KB

Download
memory/5100-143-0x0000000010000000-0x0000000010A16000-memory.dmp

Filesize
10.1MB

Download
memory/5100-132-0x0000000000000000-mapping.dmp

Download
memory/5100-134-0x0000000010000000-0x0000000010A16000-memory.dmp

Filesize
10.1MB

Download
memory/5100-133-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/5100-135-0x0000000002360000-0x00000000023AB000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads