agenttesla | 8b3d67af35fb4f72b88b3ccf0791b8c1c071908d0f39f4a33f96a485577559e8

General

Target

Halkbank,doc 29092021.7.exe
Size

601KB
MD5

94b6f876789768ac05133078ac969d96
SHA1

3a8f556b950bfa45bd3889bcda39ff8f87df96e2
SHA256

75c5f0200804fc3bbe1c14cba4ddf517c4fa5785806f02424e68a9070d7fd9d2
SHA512

bb86e03fe3fbfb78e0d83bc4f8d5efefa71da8706d21671d340c5e8ceb9a9f20546f8c7fbf5c64fcb0fdcaa244d52673a73ca39c8291a00ddd40378c5d1cbfa6
SSDEEP

12288:IahvCU+Zu/dmvRhzOwaaujMgtyFFiNMQpVddc+v0:ISKU+sOv7UjMgtyv+pVp

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.topfrozenfoodbrand.com
Port:
587
Username:
cuenta@topfrozenfoodbrand.com
Password:
Everest10account
Email To:
account@topfrozenfoodbrand.com

Signatures

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

AgentTesla payload 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2644-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2644-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2644-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2644-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2644-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2644-22-0x0000000004BB0000-0x0000000004BF0000-memory.dmp	family_agenttesla
behavioral1/memory/2644-24-0x0000000004BB0000-0x0000000004BF0000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

Halkbank,doc 29092021.7.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts Halkbank,doc 29092021.7.exe
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
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
T1552.001
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

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	Halkbank,doc 29092021.7.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Halkbank,doc 29092021.7.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank,doc 29092021.7.exe
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank,doc 29092021.7.exe
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank,doc 29092021.7.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Halkbank,doc 29092021.7.exe

description pid process target process

PID 1956 set thread context of 2644 1956 Halkbank,doc 29092021.7.exe Halkbank,doc 29092021.7.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1284 2644 WerFault.exe Halkbank,doc 29092021.7.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Halkbank,doc 29092021.7.exeHalkbank,doc 29092021.7.exe

pid process

1956 Halkbank,doc 29092021.7.exe
1956 Halkbank,doc 29092021.7.exe
2644 Halkbank,doc 29092021.7.exe
2644 Halkbank,doc 29092021.7.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Halkbank,doc 29092021.7.exeHalkbank,doc 29092021.7.exe

description pid process

Token: SeDebugPrivilege 1956 Halkbank,doc 29092021.7.exe
Token: SeDebugPrivilege 2644 Halkbank,doc 29092021.7.exe

description	pid	process	target process
PID 1956 set thread context of 2644	1956	Halkbank,doc 29092021.7.exe	Halkbank,doc 29092021.7.exe

pid	pid_target	process	target process
1284	2644	WerFault.exe	Halkbank,doc 29092021.7.exe

pid	process
1956	Halkbank,doc 29092021.7.exe
1956	Halkbank,doc 29092021.7.exe
2644	Halkbank,doc 29092021.7.exe
2644	Halkbank,doc 29092021.7.exe

description	pid	process
Token: SeDebugPrivilege	1956	Halkbank,doc 29092021.7.exe
Token: SeDebugPrivilege	2644	Halkbank,doc 29092021.7.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Halkbank,doc 29092021.7.exeHalkbank,doc 29092021.7.exe

description	pid	process	target process
PID 1956 wrote to memory of 2644	1956	Halkbank,doc 29092021.7.exe	Halkbank,doc 29092021.7.exe
PID 1956 wrote to memory of 2644	1956	Halkbank,doc 29092021.7.exe	Halkbank,doc 29092021.7.exe
PID 1956 wrote to memory of 2644	1956	Halkbank,doc 29092021.7.exe	Halkbank,doc 29092021.7.exe
PID 1956 wrote to memory of 2644	1956	Halkbank,doc 29092021.7.exe	Halkbank,doc 29092021.7.exe
PID 1956 wrote to memory of 2644	1956	Halkbank,doc 29092021.7.exe	Halkbank,doc 29092021.7.exe
PID 1956 wrote to memory of 2644	1956	Halkbank,doc 29092021.7.exe	Halkbank,doc 29092021.7.exe
PID 1956 wrote to memory of 2644	1956	Halkbank,doc 29092021.7.exe	Halkbank,doc 29092021.7.exe
PID 1956 wrote to memory of 2644	1956	Halkbank,doc 29092021.7.exe	Halkbank,doc 29092021.7.exe
PID 1956 wrote to memory of 2644	1956	Halkbank,doc 29092021.7.exe	Halkbank,doc 29092021.7.exe
PID 2644 wrote to memory of 1284	2644	Halkbank,doc 29092021.7.exe	WerFault.exe
PID 2644 wrote to memory of 1284	2644	Halkbank,doc 29092021.7.exe	WerFault.exe
PID 2644 wrote to memory of 1284	2644	Halkbank,doc 29092021.7.exe	WerFault.exe
PID 2644 wrote to memory of 1284	2644	Halkbank,doc 29092021.7.exe	WerFault.exe

outlook_office_path 1 IoCs

Processes:

Halkbank,doc 29092021.7.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank,doc 29092021.7.exe

outlook_win_path 1 IoCs

Processes:

Halkbank,doc 29092021.7.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank,doc 29092021.7.exe

C:\Users\Admin\AppData\Local\Temp\Halkbank,doc 29092021.7.exe
"C:\Users\Admin\AppData\Local\Temp\Halkbank,doc 29092021.7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1956

C:\Users\Admin\AppData\Local\Temp\Halkbank,doc 29092021.7.exe
"C:\Users\Admin\AppData\Local\Temp\Halkbank,doc 29092021.7.exe"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2644 -s 744
3⤵
- Program crash
PID:1284

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/1956-0-0x0000000000350000-0x00000000003EC000-memory.dmp

Filesize
624KB

Download
memory/1956-1-0x0000000074B40000-0x000000007522E000-memory.dmp

Filesize
6.9MB

Download
memory/1956-2-0x0000000004FB0000-0x0000000004FF0000-memory.dmp

Filesize
256KB

Download
memory/1956-3-0x0000000000240000-0x0000000000258000-memory.dmp

Filesize
96KB

Download
memory/1956-4-0x0000000074B40000-0x000000007522E000-memory.dmp

Filesize
6.9MB

Download
memory/1956-5-0x0000000004FB0000-0x0000000004FF0000-memory.dmp

Filesize
256KB

Download
memory/1956-6-0x0000000000840000-0x00000000008A0000-memory.dmp

Filesize
384KB

Download
memory/1956-20-0x0000000074B40000-0x000000007522E000-memory.dmp

Filesize
6.9MB

Download
memory/2644-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2644-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2644-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2644-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2644-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2644-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2644-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2644-21-0x0000000074B40000-0x000000007522E000-memory.dmp

Filesize
6.9MB

Download
memory/2644-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2644-22-0x0000000004BB0000-0x0000000004BF0000-memory.dmp

Filesize
256KB

Download
memory/2644-23-0x0000000074B40000-0x000000007522E000-memory.dmp

Filesize
6.9MB

Download
memory/2644-24-0x0000000004BB0000-0x0000000004BF0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads