gozi | 81f3c9ef76877647a56874054c58756d67e512ad55a0ab273dfa5e88dddd7c5c

General

Target

tster.exe
Size

11KB
MD5

feb6fd23d005b8d70446866b206042f8
SHA1

d7d01f6639e0f060e91a35949f9bf346aa0ea81a
SHA256

81f3c9ef76877647a56874054c58756d67e512ad55a0ab273dfa5e88dddd7c5c
SHA512

20f86fa77e079bd3794c32e793a9adb79ad7d847ca8d74591321153330dfa9aa15d11279b45a9497fec910b58533cdeedc293858fa29d20ffb80f96d519c70da
SSDEEP

192:52R8JP/PCS+plrpcV5K9+JPiukknPfhTx0ujmN+LKyOLi:58Q/a9plrpcVI9SKQfgutKyOL

Score

10^/10

gozi banker isfb spyware stealer trojan

Malware Config

Extracted

Family

gozi

Signatures

Gozi
Gozi is a well-known and widely distributed banking trojan.
banker trojan gozi
Executes dropped EXE 1 IoCs

Processes:

dqbzkho5.exe

pid process

2480 dqbzkho5.exe
Loads dropped DLL 1 IoCs

Processes:

tster.exe

pid process

1116 tster.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs

Web Service
T1102

Processes:

flow ioc

6 discord.com
9 discord.com
1 raw.githubusercontent.com
1 discord.com
2 raw.githubusercontent.com
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

1 checkip.amazonaws.com
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

3508 schtasks.exe

pid	process
2480	dqbzkho5.exe

flow	ioc
6	discord.com
9	discord.com
1	raw.githubusercontent.com
1	discord.com
2	raw.githubusercontent.com

flow	ioc
1	checkip.amazonaws.com

pid	process
3508	schtasks.exe

Modifies registry class 7 IoCs

Processes:

reg.exereg.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000_Classes\ms-settings\shell\open\command	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000_Classes\ms-settings\shell\open\command\DelegateExecute = "0"	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000_Classes\ms-settings\shell\open\command	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000_Classes\ms-settings	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000_Classes\ms-settings\shell	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000_Classes\ms-settings\shell\open	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000_Classes\ms-settings\shell\open\command\ = "wscript.exe C:\\Users\\Admin\\AppData\\Local\\Temp\\pearpear81962580.vbs"	reg.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

tster.exedqbzkho5.exe

pid	process
1116	tster.exe
1116	tster.exe
1116	tster.exe
2480	dqbzkho5.exe
2480	dqbzkho5.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe
1116	tster.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

tster.exedqbzkho5.exe

description pid process

Token: SeDebugPrivilege 1116 tster.exe
Token: SeDebugPrivilege 2480 dqbzkho5.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

tster.exe

pid process

1116 tster.exe

description	pid	process
Token: SeDebugPrivilege	1116	tster.exe
Token: SeDebugPrivilege	2480	dqbzkho5.exe

Suspicious use of WriteProcessMemory 39 IoCs

Processes:

tster.execmd.exeComputerDefaults.exewscript.execmd.exedqbzkho5.exe

description	pid	process	target process
PID 1116 wrote to memory of 1028	1116	tster.exe	reg.exe
PID 1116 wrote to memory of 1028	1116	tster.exe	reg.exe
PID 1116 wrote to memory of 1028	1116	tster.exe	reg.exe
PID 1116 wrote to memory of 2412	1116	tster.exe	reg.exe
PID 1116 wrote to memory of 2412	1116	tster.exe	reg.exe
PID 1116 wrote to memory of 2412	1116	tster.exe	reg.exe
PID 1116 wrote to memory of 2268	1116	tster.exe	cmd.exe
PID 1116 wrote to memory of 2268	1116	tster.exe	cmd.exe
PID 1116 wrote to memory of 2268	1116	tster.exe	cmd.exe
PID 2268 wrote to memory of 4712	2268	cmd.exe	ComputerDefaults.exe
PID 2268 wrote to memory of 4712	2268	cmd.exe	ComputerDefaults.exe
PID 2268 wrote to memory of 4712	2268	cmd.exe	ComputerDefaults.exe
PID 4712 wrote to memory of 2520	4712	ComputerDefaults.exe	wscript.exe
PID 4712 wrote to memory of 2520	4712	ComputerDefaults.exe	wscript.exe
PID 4712 wrote to memory of 2520	4712	ComputerDefaults.exe	wscript.exe
PID 2520 wrote to memory of 5112	2520	wscript.exe	cmd.exe
PID 2520 wrote to memory of 5112	2520	wscript.exe	cmd.exe
PID 2520 wrote to memory of 5112	2520	wscript.exe	cmd.exe
PID 1116 wrote to memory of 2168	1116	tster.exe	cmd.exe
PID 1116 wrote to memory of 2168	1116	tster.exe	cmd.exe
PID 1116 wrote to memory of 2168	1116	tster.exe	cmd.exe
PID 2168 wrote to memory of 3508	2168	cmd.exe	schtasks.exe
PID 2168 wrote to memory of 3508	2168	cmd.exe	schtasks.exe
PID 2168 wrote to memory of 3508	2168	cmd.exe	schtasks.exe
PID 1116 wrote to memory of 2480	1116	tster.exe	dqbzkho5.exe
PID 1116 wrote to memory of 2480	1116	tster.exe	dqbzkho5.exe
PID 2480 wrote to memory of 3332	2480	dqbzkho5.exe	Explorer.EXE
PID 2480 wrote to memory of 3332	2480	dqbzkho5.exe	Explorer.EXE
PID 2480 wrote to memory of 3332	2480	dqbzkho5.exe	Explorer.EXE
PID 2480 wrote to memory of 3332	2480	dqbzkho5.exe	Explorer.EXE
PID 2480 wrote to memory of 3332	2480	dqbzkho5.exe	Explorer.EXE
PID 2480 wrote to memory of 3332	2480	dqbzkho5.exe	Explorer.EXE
PID 2480 wrote to memory of 3332	2480	dqbzkho5.exe	Explorer.EXE
PID 2480 wrote to memory of 3332	2480	dqbzkho5.exe	Explorer.EXE
PID 2480 wrote to memory of 3332	2480	dqbzkho5.exe	Explorer.EXE
PID 2480 wrote to memory of 3332	2480	dqbzkho5.exe	Explorer.EXE
PID 2480 wrote to memory of 3332	2480	dqbzkho5.exe	Explorer.EXE
PID 2480 wrote to memory of 3332	2480	dqbzkho5.exe	Explorer.EXE
PID 2480 wrote to memory of 3332	2480	dqbzkho5.exe	Explorer.EXE

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3332

C:\Users\Admin\AppData\Local\Temp\tster.exe
"C:\Users\Admin\AppData\Local\Temp\tster.exe"
2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1116

C:\Windows\SysWOW64\reg.exe
"C:\Windows\system32\reg.exe" add "HKCU\Software\Classes\ms-settings\shell\open\command" /d "wscript.exe C:\Users\Admin\AppData\Local\Temp\pearpear81962580.vbs" /f
3⤵
- Modifies registry class
PID:1028

C:\Windows\SysWOW64\reg.exe
"C:\Windows\system32\reg.exe" add "HKCU\Software\Classes\ms-settings\shell\open\command" /v DelegateExecute /d "0" /f
3⤵
- Modifies registry class
PID:2412

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C computerdefaults.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:2268

C:\Windows\SysWOW64\ComputerDefaults.exe
computerdefaults.exe
4⤵
- Suspicious use of WriteProcessMemory
PID:4712

C:\Windows\SysWOW64\wscript.exe
"wscript.exe" C:\Users\Admin\AppData\Local\Temp\pearpear81962580.vbs
5⤵
- Suspicious use of WriteProcessMemory
PID:2520

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C del C:\Windows\System32\drivers\etc\hosts
6⤵
PID:5112

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C schtasks /Create /SC ONLOGON /TN PlexMediaServerUpdater_9DaxSEEMIrKyr0dPz050MX /TR "C:\Users\Admin\AppData\Local\Microsoft\Credentials\9DaxSEEMIrKyr0dPz050MX.exe" /RL HIGHEST /IT
3⤵
- Suspicious use of WriteProcessMemory
PID:2168

C:\Windows\SysWOW64\schtasks.exe
schtasks /Create /SC ONLOGON /TN PlexMediaServerUpdater_9DaxSEEMIrKyr0dPz050MX /TR "C:\Users\Admin\AppData\Local\Microsoft\Credentials\9DaxSEEMIrKyr0dPz050MX.exe" /RL HIGHEST /IT
4⤵
- Creates scheduled task(s)
PID:3508

C:\Users\Admin\AppData\Local\Temp\dqbzkho5.exe
"C:\Users\Admin\AppData\Local\Temp\dqbzkho5.exe" explorer.exe
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2480

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Information Discovery

1

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Web Service

1

T1102

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\Costura\40BD99E3E2E3C109881E4ECA2DEDC617\32\sqlite.interop.dll
Filesize
1.4MB

MD5
6f2fdecc48e7d72ca1eb7f17a97e59ad

SHA1
fcbc8c4403e5c8194ee69158d7e70ee7dbd4c056

SHA256
70e48ef5c14766f3601c97451b47859fddcbe7f237e1c5200cea8e7a7609d809

SHA512
fea98a3d6fff1497551dc6583dd92798dcac764070a350fd381e856105a6411c94effd4b189b7a32608ff610422b8dbd6d93393c5da99ee66d4569d45191dc8b

Download Submit
C:\Users\Admin\AppData\Local\Temp\dqbzkho5.exe
Filesize
124KB

MD5
e898826598a138f86f2aa80c0830707a

SHA1
1e912a5671f7786cc077f83146a0484e5a78729c

SHA256
df443ccf551470b3f9f7d92faf51b3b85ae206dd08da3b6390ce9a6039b7253a

SHA512
6827068b8580822ded1fb8447bdb038d0e00633f5ef7f480a8cdeaab6928ac23022a0b7a925058e0926ce9b41a6c8c22a5692e074621b2fccdb7edd29a0d4cfb

Download Submit
C:\Users\Admin\AppData\Local\Temp\pearpear81962580.vbs
Filesize
171B

MD5
a34267102c21aff46aecc85598924544

SHA1
77268af47c6a4b9c6be7f7487b2c9b233d49d435

SHA256
eba7ab5c248e46dbe70470b41ebf25a378b4eff9ce632adff927ac1f95583d44

SHA512
5d320312b93b46c9051a20c82d6405a3f2c78b23adb3ab3e71aad854b65b500937de7ca2986cf79967386d689beecccf676d89afde8ecc5d5ad0cb4ae2bf38a3

Download Submit
C:\Users\Admin\AppData\Roaming\Gongle\aIXAYRKHQX\dpu1uz4v.default-release\storage\permanent\chrome\idb\3561288849sdhlie.sqlite
Filesize
48KB

MD5
153d58ff42ed567a976c3f943c85740e

SHA1
2ebbc8e725d577de17dd4f73dc80e17c2a03bbd8

SHA256
e3e69c2ec78ab1badf3ec3ab07881b0db10dacebbac039c1032a76a67fb806cf

SHA512
068f79604ae83bf657603c57ac786f2ccc1a465776101ab15dbcc28ec0888cdc1c61d4d40a0b0ae22c32c60becd354588ef960220946c2f7f9f119d55cfc6037

Download Submit
memory/1116-6-0x00000000055C0000-0x0000000005B66000-memory.dmp

Filesize
5.6MB

Download
memory/1116-40-0x0000000007E30000-0x0000000007E96000-memory.dmp

Filesize
408KB

Download
memory/1116-0-0x000000007488E000-0x000000007488F000-memory.dmp

Filesize
4KB

Download
memory/1116-4-0x0000000004F70000-0x0000000005002000-memory.dmp

Filesize
584KB

Download
memory/1116-10-0x000000000AD60000-0x000000000B960000-memory.dmp

Filesize
12.0MB

Download
memory/1116-11-0x000000007488E000-0x000000007488F000-memory.dmp

Filesize
4KB

Download
memory/1116-12-0x0000000011AF0000-0x0000000012792000-memory.dmp

Filesize
12.6MB

Download
memory/1116-3-0x0000000002A00000-0x0000000002A0A000-memory.dmp

Filesize
40KB

Download
memory/1116-2-0x0000000002A10000-0x0000000002A2A000-memory.dmp

Filesize
104KB

Download
memory/1116-1-0x0000000000A00000-0x0000000000A0A000-memory.dmp

Filesize
40KB

Download
memory/1116-44-0x0000000008D80000-0x0000000008D88000-memory.dmp

Filesize
32KB

Download
memory/1116-43-0x0000000008C80000-0x0000000008C8C000-memory.dmp

Filesize
48KB

Download
memory/1116-42-0x0000000008C60000-0x0000000008C6A000-memory.dmp

Filesize
40KB

Download
memory/1116-41-0x0000000007EF0000-0x0000000007EFA000-memory.dmp

Filesize
40KB

Download
memory/1116-38-0x0000000009160000-0x0000000009172000-memory.dmp

Filesize
72KB

Download
memory/1116-39-0x0000000074880000-0x0000000075031000-memory.dmp

Filesize
7.7MB

Download
memory/1116-5-0x0000000074880000-0x0000000075031000-memory.dmp

Filesize
7.7MB

Download
memory/3332-32-0x0000000002EB0000-0x0000000002EB8000-memory.dmp

Filesize
32KB

Download
memory/3332-27-0x0000000002EB0000-0x0000000002EB8000-memory.dmp

Filesize
32KB

Download
memory/3332-28-0x0000000003100000-0x0000000003101000-memory.dmp

Filesize
4KB

Download
memory/3332-31-0x0000000002EB0000-0x0000000002EB8000-memory.dmp

Filesize
32KB

Download
memory/3332-29-0x0000000002EB0000-0x0000000002EB8000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads