agenttesla | 900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4

General

Target

900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe
Size

372KB
MD5

94c03672b3502acbb9e76b90084e206b
SHA1

10457af028d473eaba4f99462b378b6bc67e7f53
SHA256

900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4
SHA512

13cec51caaddda90819583b1877c43ae2176098c58c57f5ddf54a165d87ddda2ba60cdaef19663fb9e945e85287980ea5b2ab67841af0d24be78f79937d7ac6c

Score

10^/10

agenttesla collection keylogger persistence rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.senaussfreezone.com
Port:
587
Username:
hamed@senuessfreezone.com
Password:
Moscow2018

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2020-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/2020-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/2020-65-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/2020-66-0x0000000000447F5E-mapping.dmp	family_agenttesla
behavioral1/memory/2020-68-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/2020-70-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral1/memory/1664-57-0x0000000004760000-0x00000000047B4000-memory.dmp	rezer0

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\LPksCzza = "C:\\Users\\Admin\\AppData\\Roaming\\GGCuAtT\\BCQGj.exe"	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe

description	pid	process	target process
PID 1664 set thread context of 2020	1664	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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
T1053

Processes:

schtasks.exe

pid process

1192 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

1800 REG.exe

pid	process
1192	schtasks.exe

pid	process
1800	REG.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe

pid	process
2020	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe
2020	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe

description pid process

Token: SeDebugPrivilege 2020 900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe

pid process

2020 900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe

description	pid	process
Token: SeDebugPrivilege	2020	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe

description	pid	process	target process
PID 1664 wrote to memory of 1192	1664	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe	schtasks.exe
PID 1664 wrote to memory of 1192	1664	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe	schtasks.exe
PID 1664 wrote to memory of 1192	1664	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe	schtasks.exe
PID 1664 wrote to memory of 1192	1664	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe	schtasks.exe
PID 1664 wrote to memory of 2020	1664	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe
PID 1664 wrote to memory of 2020	1664	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe
PID 1664 wrote to memory of 2020	1664	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe
PID 1664 wrote to memory of 2020	1664	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe
PID 1664 wrote to memory of 2020	1664	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe
PID 1664 wrote to memory of 2020	1664	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe
PID 1664 wrote to memory of 2020	1664	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe
PID 1664 wrote to memory of 2020	1664	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe
PID 1664 wrote to memory of 2020	1664	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe
PID 2020 wrote to memory of 1800	2020	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe	REG.exe
PID 2020 wrote to memory of 1800	2020	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe	REG.exe
PID 2020 wrote to memory of 1800	2020	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe	REG.exe
PID 2020 wrote to memory of 1800	2020	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe	REG.exe

outlook_office_path 1 IoCs

Processes:

900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe

outlook_win_path 1 IoCs

Processes:

900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe

C:\Users\Admin\AppData\Local\Temp\900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe
"C:\Users\Admin\AppData\Local\Temp\900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1664

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oqeSUAXW" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC2D3.tmp"
2⤵
- Creates scheduled task(s)
PID:1192

C:\Users\Admin\AppData\Local\Temp\900a8c1323a4c379b16a742171d24aefe84e5b77ff8dcca548da759de64fd5c4.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2020

C:\Windows\SysWOW64\REG.exe
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoRun /t REG_DWORD /d 1 /f
3⤵
- Modifies registry key
PID:1800

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC2D3.tmp
Filesize
1KB

MD5
a2009a3f0d7d47c0a88814b742a8b0e2

SHA1
b226a8f886b12b41e7a12312e6215a2128125c6c

SHA256
4fb605a00bc4c43f2c54a61de583c5790bf0b15dfbcf06ef811e43a2fd9655dd

SHA512
0bafbbe86e307690da596d102fa981a72d842f8ae809c269a96029d83d7bf2151f0b4782bafa365e0426edd9b2f27d76ee8b26cb94863d549c866733d600c667

Download Submit
memory/1192-58-0x0000000000000000-mapping.dmp

Download
memory/1664-55-0x0000000075941000-0x0000000075943000-memory.dmp

Filesize
8KB

Download
memory/1664-56-0x0000000000380000-0x000000000038A000-memory.dmp

Filesize
40KB

Download
memory/1664-57-0x0000000004760000-0x00000000047B4000-memory.dmp

Filesize
336KB

Download
memory/1664-54-0x0000000000940000-0x00000000009A4000-memory.dmp

Filesize
400KB

Download
memory/1800-72-0x0000000000000000-mapping.dmp

Download
memory/2020-60-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2020-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2020-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2020-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2020-66-0x0000000000447F5E-mapping.dmp

Download
memory/2020-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2020-70-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2020-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads