agenttesla | 08d5c55d4e5f9a25da2e69af35d5c9d0c09f5f261f7eef4dc56d605b6361dd67

General

Target

Slip Copy 240523.pdf.exe
Size

267KB
MD5

6297bc5b7763b64046b110797702d183
SHA1

5ae9d0c1415a005c32494f8c5c74cfc085c91241
SHA256

08d5c55d4e5f9a25da2e69af35d5c9d0c09f5f261f7eef4dc56d605b6361dd67
SHA512

42c5e9fcf8a9704e8c4d94849e98c010142870b1428df7b1a84c39da5a723fd0aa3967a83245195c69b2095bd77c95ec0181ee13a673b387e5bbb71bf4b55cfd
SSDEEP

6144:/Ya603LbTdjNcsWjnra5G3I+Tmdjw4DLi6A5Pg:/YK7Poln+E3IGmdbiD5Pg

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
5112	Slip Copy 240523.pdf.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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Slip Copy 240523.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Slip Copy 240523.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Slip Copy 240523.pdf.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-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FygVDYr = "C:\\Users\\Admin\\AppData\\Roaming\\FygVDYr\\FygVDYr.exe"	Slip Copy 240523.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
28	api.ipify.org
29	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5112 set thread context of 792	5112	Slip Copy 240523.pdf.exe	86

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
792	Slip Copy 240523.pdf.exe
792	Slip Copy 240523.pdf.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
5112	Slip Copy 240523.pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	792	Slip Copy 240523.pdf.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
792	Slip Copy 240523.pdf.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5112 wrote to memory of 792	5112	Slip Copy 240523.pdf.exe	86
PID 5112 wrote to memory of 792	5112	Slip Copy 240523.pdf.exe	86
PID 5112 wrote to memory of 792	5112	Slip Copy 240523.pdf.exe	86
PID 5112 wrote to memory of 792	5112	Slip Copy 240523.pdf.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Slip Copy 240523.pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Slip Copy 240523.pdf.exe

C:\Users\Admin\AppData\Local\Temp\Slip Copy 240523.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Slip Copy 240523.pdf.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:5112
- C:\Users\Admin\AppData\Local\Temp\Slip Copy 240523.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Slip Copy 240523.pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:792

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

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

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsc99D6.tmp\ahjoes.dll

Filesize
4KB

MD5
a6e3c6a4c830509064d35cc2fc4f1b9b

SHA1
7b5f5bd4ec562fe73e339d45d18b65289375d5ab

SHA256
b3e2032075d5eb483d651c3c0fe142793aeda5511400ca04259b70d896b0f788

SHA512
604549245cd818cffd0ed4b8b04df3919f8bc9db6dcdde0190ded50671c062e0a5f664c1c5b88fed5a05b0b191300d07dba06c4a8f6ab63cf16c5a76303bd1b4

Download Submit
memory/792-139-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/792-140-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/792-141-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/792-142-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/792-143-0x00000000049B0000-0x0000000004F54000-memory.dmp

Filesize
5.6MB

Download
memory/792-144-0x0000000004F90000-0x0000000004FF6000-memory.dmp

Filesize
408KB

Download
memory/792-145-0x00000000049A0000-0x00000000049B0000-memory.dmp

Filesize
64KB

Download
memory/792-146-0x00000000049A0000-0x00000000049B0000-memory.dmp

Filesize
64KB

Download
memory/792-147-0x00000000049A0000-0x00000000049B0000-memory.dmp

Filesize
64KB

Download
memory/792-148-0x00000000049A0000-0x00000000049B0000-memory.dmp

Filesize
64KB

Download
memory/792-149-0x0000000005CD0000-0x0000000005D20000-memory.dmp

Filesize
320KB

Download
memory/792-150-0x0000000005D20000-0x0000000005EE2000-memory.dmp

Filesize
1.8MB

Download
memory/792-151-0x0000000005EF0000-0x0000000005F82000-memory.dmp

Filesize
584KB

Download
memory/792-152-0x0000000006180000-0x000000000618A000-memory.dmp

Filesize
40KB

Download
memory/792-154-0x00000000049A0000-0x00000000049B0000-memory.dmp

Filesize
64KB

Download
memory/792-155-0x00000000049A0000-0x00000000049B0000-memory.dmp

Filesize
64KB

Download
memory/792-156-0x00000000049A0000-0x00000000049B0000-memory.dmp

Filesize
64KB

Download
memory/792-157-0x00000000049A0000-0x00000000049B0000-memory.dmp

Filesize
64KB

Download

Analysis

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