agenttesla | 1c76ab3e803654bd830af90fbe2f96d1b99f41d8644771b0a9b686949688c34c

General

Target

Scaned Product Specification.pdf.exe
Size

1.1MB
MD5

09b0ff1242fe63cb0fd7b07c90e69362
SHA1

f022f88791a64ee203db2f9c3c59baeb1353bb66
SHA256

b8568ef8c461f57be0df8d02e0488a5dbd9d2a7557c8d657e3978f138cbb7cdf
SHA512

2204a7d336f02cc21a7e81e1b02eaf499ef68d5ae4f6915943578aeb3adbccd9801014a28f28fad92fa70651c8baeb66206023ebe03ad04c9d70f9e5802a9d00
SSDEEP

24576:ZqMSN1FCQa9kiMietnN3/vAzfJooWa4xCyQg+nJ8V869/t5:Zq3N1FCQa9kiMienvIzT4x0g+Ett

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.brusln.com
Port:
587
Username:
[email protected]
Password:
Epic@2024

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.brusln.com
Port:
587
Username:
[email protected]
Password:
Epic@2024
Email To:
[email protected]

Signatures

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

Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

resource	yara_rule
behavioral2/memory/4808-11-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

resource	yara_rule
behavioral2/memory/4808-11-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs

resource	yara_rule
behavioral2/memory/4808-11-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/4808-11-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/4808-11-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/4808-11-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\plQRn123nu17 = "C:\\Users\\Admin\\AppData\\Roaming\\plQRn123nu17\\plQRn123nu17.exe"	Scaned Product Specification.pdf.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
18	api.ipify.org
19	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3060 set thread context of 4808	3060	Scaned Product Specification.pdf.exe	96

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4808	Scaned Product Specification.pdf.exe
4808	Scaned Product Specification.pdf.exe
4808	Scaned Product Specification.pdf.exe
4808	Scaned Product Specification.pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4808	Scaned Product Specification.pdf.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3060 wrote to memory of 4808	3060	Scaned Product Specification.pdf.exe	96
PID 3060 wrote to memory of 4808	3060	Scaned Product Specification.pdf.exe	96
PID 3060 wrote to memory of 4808	3060	Scaned Product Specification.pdf.exe	96
PID 3060 wrote to memory of 4808	3060	Scaned Product Specification.pdf.exe	96
PID 3060 wrote to memory of 4808	3060	Scaned Product Specification.pdf.exe	96
PID 3060 wrote to memory of 4808	3060	Scaned Product Specification.pdf.exe	96
PID 3060 wrote to memory of 4808	3060	Scaned Product Specification.pdf.exe	96
PID 3060 wrote to memory of 4808	3060	Scaned Product Specification.pdf.exe	96

C:\Users\Admin\AppData\Local\Temp\Scaned Product Specification.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Scaned Product Specification.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3060
- C:\Users\Admin\AppData\Local\Temp\Scaned Product Specification.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Scaned Product Specification.pdf.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4808

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3776 --field-trial-handle=2232,i,9772508353233483703,11473701862007458502,262144 --variations-seed-version /prefetch:8
1⤵
PID:2656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Scaned Product Specification.pdf.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/3060-10-0x0000000006730000-0x00000000067CC000-memory.dmp

Filesize
624KB

Download
memory/3060-14-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/3060-3-0x00000000052E0000-0x0000000005372000-memory.dmp

Filesize
584KB

Download
memory/3060-0-0x00000000007B0000-0x00000000008D6000-memory.dmp

Filesize
1.1MB

Download
memory/3060-5-0x0000000005490000-0x000000000549A000-memory.dmp

Filesize
40KB

Download
memory/3060-6-0x0000000005660000-0x0000000005676000-memory.dmp

Filesize
88KB

Download
memory/3060-7-0x00000000057A0000-0x00000000057AC000-memory.dmp

Filesize
48KB

Download
memory/3060-8-0x0000000006460000-0x000000000646E000-memory.dmp

Filesize
56KB

Download
memory/3060-2-0x00000000057B0000-0x0000000005D54000-memory.dmp

Filesize
5.6MB

Download
memory/3060-9-0x00000000064C0000-0x0000000006546000-memory.dmp

Filesize
536KB

Download
memory/3060-4-0x00000000052A0000-0x00000000052B0000-memory.dmp

Filesize
64KB

Download
memory/3060-1-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/4808-11-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4808-15-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/4808-16-0x00000000050F0000-0x0000000005100000-memory.dmp

Filesize
64KB

Download
memory/4808-17-0x0000000005190000-0x00000000051F6000-memory.dmp

Filesize
408KB

Download
memory/4808-19-0x0000000006840000-0x0000000006890000-memory.dmp

Filesize
320KB

Download
memory/4808-20-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/4808-21-0x00000000050F0000-0x0000000005100000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads