agenttesla | 656b4aca18598d0fc4b53fa2585745d48498ced7d027e115643c7e50a5d92b9d

General

Target

b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe
Size

910KB
MD5

e2f700dd4f26b02938dabb237b0dbe46
SHA1

b7f8e51419c9c0d1669bb5f447274697b4548c4c
SHA256

656b4aca18598d0fc4b53fa2585745d48498ced7d027e115643c7e50a5d92b9d
SHA512

2b88e4041fd1c9de4d5b618529cb100d7e63623a432fed3f205b8aa3bab3e95a47c864c86635cb040463b621435188a1c8c9103c0c1ba6cb851f861886df2a70
SSDEEP

12288:nE/V28nss0h0Pj9ggKdG+PVogHOpi5L7P++FrdvhXuJl9PsMgGTmy9Ph0:nEN28e6JIdGxq7P+wBhOeyM

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.qualitysolutions.co.in
Port:
587
Username:
sales@qualitysolutions.co.in
Password:
9873335231

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.qualitysolutions.co.in
Port:
587
Username:
sales@qualitysolutions.co.in
Password:
9873335231
Email To:
marketing@shaktiinstrumentations.in

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Drops file in Drivers directory 1 IoCs

Processes:

b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe
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

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\yqWDN = "C:\\Users\\Admin\\AppData\\Roaming\\yqWDN\\yqWDN.exe"	b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe

description	pid	process	target process
PID 1756 set thread context of 904	1756	b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe	b7f8e51419c9c0d1669bb5f447274697b4548c4c.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

1288 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe

pid process

904 b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe
904 b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe

description pid process

Token: SeDebugPrivilege 904 b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe

pid	process
1288	schtasks.exe

pid	process
904	b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe
904	b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe

description	pid	process
Token: SeDebugPrivilege	904	b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe

description	pid	process	target process
PID 1756 wrote to memory of 1288	1756	b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe	schtasks.exe
PID 1756 wrote to memory of 1288	1756	b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe	schtasks.exe
PID 1756 wrote to memory of 1288	1756	b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe	schtasks.exe
PID 1756 wrote to memory of 1288	1756	b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe	schtasks.exe
PID 1756 wrote to memory of 904	1756	b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe	b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe
PID 1756 wrote to memory of 904	1756	b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe	b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe
PID 1756 wrote to memory of 904	1756	b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe	b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe
PID 1756 wrote to memory of 904	1756	b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe	b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe
PID 1756 wrote to memory of 904	1756	b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe	b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe
PID 1756 wrote to memory of 904	1756	b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe	b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe
PID 1756 wrote to memory of 904	1756	b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe	b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe
PID 1756 wrote to memory of 904	1756	b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe	b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe
PID 1756 wrote to memory of 904	1756	b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe	b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe

outlook_office_path 1 IoCs

Processes:

b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe

outlook_win_path 1 IoCs

Processes:

b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe

C:\Users\Admin\AppData\Local\Temp\b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe
"C:\Users\Admin\AppData\Local\Temp\b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1756

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OiDoZiiA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9F9A.tmp"
2⤵
- Creates scheduled task(s)
PID:1288

C:\Users\Admin\AppData\Local\Temp\b7f8e51419c9c0d1669bb5f447274697b4548c4c.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:904

Network

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

1

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\tmp9F9A.tmp
Filesize
1KB

MD5
68ee120c09115f46f26c94c7685eb09e

SHA1
13af24c04f084a923c82a1265bab0336b5f0cf0d

SHA256
508d7227bd3b16f9db4a5744860eafdc01c7580d55084077b629ee17ad4711db

SHA512
8d6bb270a69543fa9a0dcd8fac2026b09815041445b9dfcdd6040e1b6f4be092dea3cba0474e3fbd89190b345bcb112f48ffe3320764fc34be1ae81871bbca0c

Download Submit
memory/904-67-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/904-66-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/904-72-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/904-70-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/904-68-0x0000000000435D0E-mapping.dmp

Download
memory/904-62-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/904-65-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/904-63-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1288-60-0x0000000000000000-mapping.dmp

Download
memory/1756-55-0x0000000075F51000-0x0000000075F53000-memory.dmp

Filesize
8KB

Download
memory/1756-56-0x0000000000A90000-0x0000000000A9E000-memory.dmp

Filesize
56KB

Download
memory/1756-54-0x0000000000B30000-0x0000000000C1A000-memory.dmp

Filesize
936KB

Download
memory/1756-59-0x0000000004BD0000-0x0000000004C18000-memory.dmp

Filesize
288KB

Download
memory/1756-58-0x0000000008420000-0x00000000084B0000-memory.dmp

Filesize
576KB

Download
memory/1756-57-0x0000000005D50000-0x0000000005DE8000-memory.dmp

Filesize
608KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads