agenttesla | fa9744a9f8530dfe050f21fd9b85a9cabfcfefd30b5290355e3ea6b6c8136b6f

General

Target

1443ecb318ff158823692945f04e0a14_JaffaCakes118.exe
Size

448KB
MD5

1443ecb318ff158823692945f04e0a14
SHA1

fba634c395ca7bf82496d04e5b45822611db65e5
SHA256

fa9744a9f8530dfe050f21fd9b85a9cabfcfefd30b5290355e3ea6b6c8136b6f
SHA512

ccc22d778f9369b3d38e9658216a1600602f951f7c437aaa6c1292f0bae7eb94dedbc3456cc0ce832a1f9f9ac2e11a58f8c459eb4a215d0b829ad6ae1da06aa5
SSDEEP

6144:aHERGpLRGW22gxFfF1UOVGuklso07Lnaorfxl+y3POaTtDy6JDDT5voaZ5CgZuU9:aHI2LHoF/LN5nysTTgmnaaZ5CgMiyIQ2

Score

10^/10

agenttesla collection evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.bsia.co.in
Port:
587
Username:
[email protected]
Password:
21mbsia@)@!Y

Signatures

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

AgentTesla payload 6 IoCs

resource	yara_rule
behavioral1/memory/2720-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2720-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2720-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2720-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2720-21-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2696-25-0x0000000002670000-0x00000000026B0000-memory.dmp	family_agenttesla

Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions	1443ecb318ff158823692945f04e0a14_JaffaCakes118.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools	1443ecb318ff158823692945f04e0a14_JaffaCakes118.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	1443ecb318ff158823692945f04e0a14_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	1443ecb318ff158823692945f04e0a14_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

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\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1443ecb318ff158823692945f04e0a14_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1443ecb318ff158823692945f04e0a14_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1443ecb318ff158823692945f04e0a14_JaffaCakes118.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	1443ecb318ff158823692945f04e0a14_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	1443ecb318ff158823692945f04e0a14_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2044 set thread context of 2720	2044	1443ecb318ff158823692945f04e0a14_JaffaCakes118.exe	31

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2696	powershell.exe
2720	1443ecb318ff158823692945f04e0a14_JaffaCakes118.exe
2720	1443ecb318ff158823692945f04e0a14_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2696	powershell.exe
Token: SeDebugPrivilege	2720	1443ecb318ff158823692945f04e0a14_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 2696	2044	1443ecb318ff158823692945f04e0a14_JaffaCakes118.exe	28
PID 2044 wrote to memory of 2696	2044	1443ecb318ff158823692945f04e0a14_JaffaCakes118.exe	28
PID 2044 wrote to memory of 2696	2044	1443ecb318ff158823692945f04e0a14_JaffaCakes118.exe	28
PID 2044 wrote to memory of 2696	2044	1443ecb318ff158823692945f04e0a14_JaffaCakes118.exe	28
PID 2044 wrote to memory of 2720	2044	1443ecb318ff158823692945f04e0a14_JaffaCakes118.exe	31
PID 2044 wrote to memory of 2720	2044	1443ecb318ff158823692945f04e0a14_JaffaCakes118.exe	31
PID 2044 wrote to memory of 2720	2044	1443ecb318ff158823692945f04e0a14_JaffaCakes118.exe	31
PID 2044 wrote to memory of 2720	2044	1443ecb318ff158823692945f04e0a14_JaffaCakes118.exe	31
PID 2044 wrote to memory of 2720	2044	1443ecb318ff158823692945f04e0a14_JaffaCakes118.exe	31
PID 2044 wrote to memory of 2720	2044	1443ecb318ff158823692945f04e0a14_JaffaCakes118.exe	31
PID 2044 wrote to memory of 2720	2044	1443ecb318ff158823692945f04e0a14_JaffaCakes118.exe	31
PID 2044 wrote to memory of 2720	2044	1443ecb318ff158823692945f04e0a14_JaffaCakes118.exe	31
PID 2044 wrote to memory of 2720	2044	1443ecb318ff158823692945f04e0a14_JaffaCakes118.exe	31

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	1443ecb318ff158823692945f04e0a14_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	1443ecb318ff158823692945f04e0a14_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\1443ecb318ff158823692945f04e0a14_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1443ecb318ff158823692945f04e0a14_JaffaCakes118.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2044
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\1443ecb318ff158823692945f04e0a14_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2696
- C:\Users\Admin\AppData\Local\Temp\1443ecb318ff158823692945f04e0a14_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\1443ecb318ff158823692945f04e0a14_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2720

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2044-22-0x00000000740B0000-0x000000007479E000-memory.dmp

Filesize
6.9MB

Download
memory/2044-1-0x00000000740B0000-0x000000007479E000-memory.dmp

Filesize
6.9MB

Download
memory/2044-2-0x0000000004DA0000-0x0000000004DE0000-memory.dmp

Filesize
256KB

Download
memory/2044-3-0x00000000005C0000-0x00000000005CE000-memory.dmp

Filesize
56KB

Download
memory/2044-4-0x00000000740B0000-0x000000007479E000-memory.dmp

Filesize
6.9MB

Download
memory/2044-5-0x0000000004DA0000-0x0000000004DE0000-memory.dmp

Filesize
256KB

Download
memory/2044-6-0x00000000051C0000-0x0000000005220000-memory.dmp

Filesize
384KB

Download
memory/2044-0-0x00000000001B0000-0x0000000000226000-memory.dmp

Filesize
472KB

Download
memory/2696-25-0x0000000002670000-0x00000000026B0000-memory.dmp

Filesize
256KB

Download
memory/2696-23-0x000000006ED60000-0x000000006F30B000-memory.dmp

Filesize
5.7MB

Download
memory/2696-30-0x000000006ED60000-0x000000006F30B000-memory.dmp

Filesize
5.7MB

Download
memory/2696-28-0x0000000002670000-0x00000000026B0000-memory.dmp

Filesize
256KB

Download
memory/2696-26-0x0000000002670000-0x00000000026B0000-memory.dmp

Filesize
256KB

Download
memory/2696-24-0x000000006ED60000-0x000000006F30B000-memory.dmp

Filesize
5.7MB

Download
memory/2720-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2720-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2720-21-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2720-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2720-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2720-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2720-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2720-27-0x00000000740B0000-0x000000007479E000-memory.dmp

Filesize
6.9MB

Download
memory/2720-29-0x0000000000450000-0x0000000000490000-memory.dmp

Filesize
256KB

Download
memory/2720-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2720-31-0x00000000740B0000-0x000000007479E000-memory.dmp

Filesize
6.9MB

Download
memory/2720-32-0x0000000000450000-0x0000000000490000-memory.dmp

Filesize
256KB

Download
memory/2720-33-0x0000000000450000-0x0000000000490000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads