agenttesla | 3e71398f2c545fe979dbc8c61ccaf8bd055a7d5855d978b0bf006fa6dd1222ed

Analysis

max time kernel
27s
max time network
135s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
07/02/2023, 17:13

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General

Target
FedEx Shipment Documents.exe
Size 1.3MB
Sample230207-vreljsga91
SHA256 3e71398f2c545fe979dbc8c61ccaf8bd055a7d5855d978b0bf006fa6dd1222ed
MD5 9c9f41d8e63cb9e62d0436427963609e
SHA1 49e38e7da4c9e3f18de007c700834be790d67be5
SHA512 275068fa106c3055b4de0dcaabf23574c4a00b2c9aae3edbda77295d77af6c08729c2e4f5aaff99fe0b342de09580930d3c727c98753591ec9192d8d34f66611
SSDEEP 12288:4nrIEdgtHUB7lceAvODldNTSt9/VyiMLOfEkuM//nId0gfiW:BMowSZ
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot6029430300:AAFQ7GBMtGUFRsP8QhdOQS_iHzmyaFFWGvs/

Signatures

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\BcPuxLH = "C:\\Users\\Admin\\AppData\\Roaming\\BcPuxLH\\BcPuxLH.exe"	MSBuild.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
4	api.ipify.org
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1576 set thread context of 1360	1576	FedEx Shipment Documents.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1360	MSBuild.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1576 wrote to memory of 1360	1576	FedEx Shipment Documents.exe	28
PID 1576 wrote to memory of 1360	1576	FedEx Shipment Documents.exe	28
PID 1576 wrote to memory of 1360	1576	FedEx Shipment Documents.exe	28
PID 1576 wrote to memory of 1360	1576	FedEx Shipment Documents.exe	28
PID 1576 wrote to memory of 1360	1576	FedEx Shipment Documents.exe	28
PID 1576 wrote to memory of 1360	1576	FedEx Shipment Documents.exe	28
PID 1576 wrote to memory of 1360	1576	FedEx Shipment Documents.exe	28
PID 1576 wrote to memory of 1360	1576	FedEx Shipment Documents.exe	28
PID 1576 wrote to memory of 1360	1576	FedEx Shipment Documents.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\FedEx Shipment Documents.exe
"C:\Users\Admin\AppData\Local\Temp\FedEx Shipment Documents.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1576
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1360

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/1360-57-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1360-58-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1360-60-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1360-61-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1360-62-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1360-65-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1360-67-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1360-68-0x0000000075611000-0x0000000075613000-memory.dmp

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memory/1576-54-0x0000000000990000-0x0000000000AEE000-memory.dmp

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memory/1576-55-0x00000000020F0000-0x00000000021A0000-memory.dmp

Download

memory/1576-56-0x0000000000280000-0x000000000029A000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads