agenttesla | f1712d431b4bdbc63e6394533274ad333325507ab9034f83981f1a0c831f6e5c

General

Target

Quotation_pdf.exe
Size

705KB
MD5

dddddf377d10cd41e3ee6481cf117cd0
SHA1

a075e276f64a6e89cf20de22e6c5a6304ae1fba3
SHA256

059966fad375c8ce66bbb2da74f0c854918f6dba12af2a64cd401c00db0104dd
SHA512

0b09ca3a3c1034395f13ec0d1429ada31e7d18a0af83daefd05c72a610d5aa0bc860e314463e18bf833511a44ea5551a968910cb23804b9356027e34dcf1d070
SSDEEP

12288:dr5NlaFRMb7GKWWUxDz/xTT8Hc0jcJLSVGelJv61YmkSfsB:RL+Mb7hUhZqc0jcJLsGelavkSfK

Score

10^/10

agenttesla collection keylogger spyware stealer trojan upx

Malware Config

Signatures

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

AgentTesla payload 8 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1840-11-0x0000000000400000-0x00000000004AD000-memory.dmp	family_agenttesla
behavioral1/memory/1840-10-0x0000000000500000-0x0000000000550000-memory.dmp	family_agenttesla
behavioral1/memory/1840-9-0x0000000000500000-0x0000000000550000-memory.dmp	family_agenttesla
behavioral1/memory/1840-8-0x0000000000400000-0x00000000004AD000-memory.dmp	family_agenttesla
behavioral1/memory/1840-7-0x0000000000400000-0x00000000004AD000-memory.dmp	family_agenttesla
behavioral1/memory/1840-22-0x0000000000400000-0x00000000004AD000-memory.dmp	family_agenttesla
behavioral1/memory/1840-23-0x0000000000400000-0x00000000004AD000-memory.dmp	family_agenttesla
behavioral1/memory/1840-24-0x0000000000400000-0x00000000004AD000-memory.dmp	family_agenttesla

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

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/1840-3-0x0000000000400000-0x00000000004AD000-memory.dmp	upx
behavioral1/memory/1840-6-0x0000000000400000-0x00000000004AD000-memory.dmp	upx
behavioral1/memory/1840-11-0x0000000000400000-0x00000000004AD000-memory.dmp	upx
behavioral1/memory/1840-8-0x0000000000400000-0x00000000004AD000-memory.dmp	upx
behavioral1/memory/1840-7-0x0000000000400000-0x00000000004AD000-memory.dmp	upx

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Quotation_pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation_pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation_pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation_pdf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Quotation_pdf.exe

description pid process target process

PID 2860 set thread context of 1840 2860 Quotation_pdf.exe Quotation_pdf.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Quotation_pdf.exeQuotation_pdf.exe

pid process

2860 Quotation_pdf.exe
1840 Quotation_pdf.exe
1840 Quotation_pdf.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

Quotation_pdf.exe

pid process

2860 Quotation_pdf.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Quotation_pdf.exe

description pid process

Token: SeDebugPrivilege 1840 Quotation_pdf.exe

description	pid	process	target process
PID 2860 set thread context of 1840	2860	Quotation_pdf.exe	Quotation_pdf.exe

pid	process
2860	Quotation_pdf.exe
1840	Quotation_pdf.exe
1840	Quotation_pdf.exe

pid	process
2860	Quotation_pdf.exe

description	pid	process
Token: SeDebugPrivilege	1840	Quotation_pdf.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

Quotation_pdf.exe

description	pid	process	target process
PID 2860 wrote to memory of 1840	2860	Quotation_pdf.exe	Quotation_pdf.exe
PID 2860 wrote to memory of 1840	2860	Quotation_pdf.exe	Quotation_pdf.exe
PID 2860 wrote to memory of 1840	2860	Quotation_pdf.exe	Quotation_pdf.exe
PID 2860 wrote to memory of 1840	2860	Quotation_pdf.exe	Quotation_pdf.exe

outlook_office_path 1 IoCs

Processes:

Quotation_pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation_pdf.exe

outlook_win_path 1 IoCs

Processes:

Quotation_pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation_pdf.exe

C:\Users\Admin\AppData\Local\Temp\Quotation_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation_pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2860

C:\Users\Admin\AppData\Local\Temp\Quotation_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation_pdf.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1840

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1840-9-0x0000000000500000-0x0000000000550000-memory.dmp

Filesize
320KB

Download
memory/1840-7-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/1840-3-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/1840-6-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/1840-11-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/1840-10-0x0000000000500000-0x0000000000550000-memory.dmp

Filesize
320KB

Download
memory/1840-24-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/1840-23-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/1840-22-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/1840-8-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/2860-2-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2860-4-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2860-0-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2860-1-0x0000000000260000-0x0000000000268000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads