agenttesla | 1366510b06b23b46e8de8bb22e63cc6052bed981f3b41aecc23fb8e6c654734e

General

Target

a1b019d4fae8f5f9728e78151a8ed69f_JaffaCakes118.exe
Size

354KB
MD5

a1b019d4fae8f5f9728e78151a8ed69f
SHA1

1ba5ebd26b62ec8abc846fe67b812493862978ed
SHA256

1366510b06b23b46e8de8bb22e63cc6052bed981f3b41aecc23fb8e6c654734e
SHA512

22f47ec8b77279b8aa9802cde893aa1a8524d8fe6fff38d0252401ed5ef71abac82cdf0e6e119bc89ab32955e0af8ba2b6fe4b844e02d18eb0289fa645f41b5b
SSDEEP

6144:dvB9U/NhUTtwQmh1+cOPfezP2tSTcRmpbT5DExuKu3yP7ooLMM:dZ9U/NMKf+cGoTcRcbTFEwVyp

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 7 IoCs

resource	yara_rule
behavioral1/memory/2308-14-0x0000000000400000-0x0000000000485000-memory.dmp	family_agenttesla
behavioral1/memory/2308-13-0x0000000000400000-0x0000000000485000-memory.dmp	family_agenttesla
behavioral1/memory/2308-12-0x00000000002A0000-0x00000000002DC000-memory.dmp	family_agenttesla
behavioral1/memory/2308-11-0x00000000002A0000-0x00000000002DC000-memory.dmp	family_agenttesla
behavioral1/memory/2308-9-0x0000000000400000-0x0000000000485000-memory.dmp	family_agenttesla
behavioral1/memory/2308-25-0x0000000000400000-0x0000000000485000-memory.dmp	family_agenttesla
behavioral1/memory/2308-26-0x0000000000400000-0x0000000000485000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	a1b019d4fae8f5f9728e78151a8ed69f_JaffaCakes118.exe

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

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/824-0-0x0000000000400000-0x00000000004C2000-memory.dmp	upx
behavioral1/memory/2308-4-0x0000000000400000-0x0000000000485000-memory.dmp	upx
behavioral1/memory/824-6-0x0000000000400000-0x00000000004C2000-memory.dmp	upx
behavioral1/memory/2308-14-0x0000000000400000-0x0000000000485000-memory.dmp	upx
behavioral1/memory/2308-13-0x0000000000400000-0x0000000000485000-memory.dmp	upx
behavioral1/memory/2308-9-0x0000000000400000-0x0000000000485000-memory.dmp	upx
behavioral1/memory/2308-8-0x0000000000400000-0x0000000000485000-memory.dmp	upx

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a1b019d4fae8f5f9728e78151a8ed69f_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a1b019d4fae8f5f9728e78151a8ed69f_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a1b019d4fae8f5f9728e78151a8ed69f_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 824 set thread context of 2308	824	a1b019d4fae8f5f9728e78151a8ed69f_JaffaCakes118.exe	28

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
824	a1b019d4fae8f5f9728e78151a8ed69f_JaffaCakes118.exe
2308	a1b019d4fae8f5f9728e78151a8ed69f_JaffaCakes118.exe
2308	a1b019d4fae8f5f9728e78151a8ed69f_JaffaCakes118.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
824	a1b019d4fae8f5f9728e78151a8ed69f_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2308	a1b019d4fae8f5f9728e78151a8ed69f_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2308	a1b019d4fae8f5f9728e78151a8ed69f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 824 wrote to memory of 2308	824	a1b019d4fae8f5f9728e78151a8ed69f_JaffaCakes118.exe	28
PID 824 wrote to memory of 2308	824	a1b019d4fae8f5f9728e78151a8ed69f_JaffaCakes118.exe	28
PID 824 wrote to memory of 2308	824	a1b019d4fae8f5f9728e78151a8ed69f_JaffaCakes118.exe	28
PID 824 wrote to memory of 2308	824	a1b019d4fae8f5f9728e78151a8ed69f_JaffaCakes118.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a1b019d4fae8f5f9728e78151a8ed69f_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a1b019d4fae8f5f9728e78151a8ed69f_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\a1b019d4fae8f5f9728e78151a8ed69f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a1b019d4fae8f5f9728e78151a8ed69f_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:824
- C:\Users\Admin\AppData\Local\Temp\a1b019d4fae8f5f9728e78151a8ed69f_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\a1b019d4fae8f5f9728e78151a8ed69f_JaffaCakes118.exe"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2308

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/824-6-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/824-1-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/824-2-0x00000000002C0000-0x00000000002D0000-memory.dmp

Filesize
64KB

Download
memory/824-0-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2308-13-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2308-14-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2308-4-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2308-12-0x00000000002A0000-0x00000000002DC000-memory.dmp

Filesize
240KB

Download
memory/2308-11-0x00000000002A0000-0x00000000002DC000-memory.dmp

Filesize
240KB

Download
memory/2308-9-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2308-8-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2308-25-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2308-26-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download

Analysis

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