agenttesla | bdc112926d3e7803c413575e3d50a5c314a992d9a80ed0920f948ebadd121b98

General

Target

ffb41217759c2a14ed1e0e4916de0667_JaffaCakes118.exe
Size

473KB
MD5

ffb41217759c2a14ed1e0e4916de0667
SHA1

bda692056eebb41fdeade9fa7558cac72d176eb4
SHA256

bdc112926d3e7803c413575e3d50a5c314a992d9a80ed0920f948ebadd121b98
SHA512

0918183e9f2236ffb0dba66dfbc87717982415fe60d7e98d036bd4d70e9fa9e2048f81a2e1d516f0f1f9916a7b4dcd18b94cbce2d04fb5d82d98543028983809
SSDEEP

6144:j7/taMI/YTRsoqQ8gGQ7H9MesIl5hlL7IGLrwR1/VwNf+sas7ZBMn0r:Uc1sRvgGQb9VsK5L9fwf/uNf+3sF0a

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.ecsglobelwire.com
Port:
587
Username:
[email protected]
Password:
y8bg_ep{3A$R

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/3068-8-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	ffb41217759c2a14ed1e0e4916de0667_JaffaCakes118.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
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 3 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

Credentials from Web Browsers
T1555.003
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

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-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ffb41217759c2a14ed1e0e4916de0667_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ffb41217759c2a14ed1e0e4916de0667_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ffb41217759c2a14ed1e0e4916de0667_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4332 set thread context of 3068	4332	ffb41217759c2a14ed1e0e4916de0667_JaffaCakes118.exe	85

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ffb41217759c2a14ed1e0e4916de0667_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ffb41217759c2a14ed1e0e4916de0667_JaffaCakes118.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4056	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3068	ffb41217759c2a14ed1e0e4916de0667_JaffaCakes118.exe
3068	ffb41217759c2a14ed1e0e4916de0667_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3068	ffb41217759c2a14ed1e0e4916de0667_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4332 wrote to memory of 4056	4332	ffb41217759c2a14ed1e0e4916de0667_JaffaCakes118.exe	83
PID 4332 wrote to memory of 4056	4332	ffb41217759c2a14ed1e0e4916de0667_JaffaCakes118.exe	83
PID 4332 wrote to memory of 4056	4332	ffb41217759c2a14ed1e0e4916de0667_JaffaCakes118.exe	83
PID 4332 wrote to memory of 3068	4332	ffb41217759c2a14ed1e0e4916de0667_JaffaCakes118.exe	85
PID 4332 wrote to memory of 3068	4332	ffb41217759c2a14ed1e0e4916de0667_JaffaCakes118.exe	85
PID 4332 wrote to memory of 3068	4332	ffb41217759c2a14ed1e0e4916de0667_JaffaCakes118.exe	85
PID 4332 wrote to memory of 3068	4332	ffb41217759c2a14ed1e0e4916de0667_JaffaCakes118.exe	85
PID 4332 wrote to memory of 3068	4332	ffb41217759c2a14ed1e0e4916de0667_JaffaCakes118.exe	85
PID 4332 wrote to memory of 3068	4332	ffb41217759c2a14ed1e0e4916de0667_JaffaCakes118.exe	85
PID 4332 wrote to memory of 3068	4332	ffb41217759c2a14ed1e0e4916de0667_JaffaCakes118.exe	85
PID 4332 wrote to memory of 3068	4332	ffb41217759c2a14ed1e0e4916de0667_JaffaCakes118.exe	85

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ffb41217759c2a14ed1e0e4916de0667_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ffb41217759c2a14ed1e0e4916de0667_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\ffb41217759c2a14ed1e0e4916de0667_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ffb41217759c2a14ed1e0e4916de0667_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4332
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kEubUoCfPaFIih" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBDE1.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4056
- C:\Users\Admin\AppData\Local\Temp\ffb41217759c2a14ed1e0e4916de0667_JaffaCakes118.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3068

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

4

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\ffb41217759c2a14ed1e0e4916de0667_JaffaCakes118.exe.log

Filesize
496B

MD5
cb76b18ebed3a9f05a14aed43d35fba6

SHA1
836a4b4e351846fca08b84149cb734cb59b8c0d6

SHA256
8d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349

SHA512
7631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpBDE1.tmp

Filesize
1KB

MD5
8bef3d64f7c2b371cab3803fe318ffa9

SHA1
513635c9d45ead05e7d20562f92304b64386ce2d

SHA256
8ca1d6f266fe48e0d4c142d6519085e62884e62cca858b436dfbc89210567baf

SHA512
b72b85f68bc41981d321b1ef96dd45309a2ab2cb6607c71c97725009b60c4671aa4e18d906d394be96e6112e4f4fefe4688bb68f29a6980e274ecbaf7cef7092

Download Submit
memory/3068-8-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3068-12-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/3068-13-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/3068-14-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/3068-15-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/3068-16-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/4332-0-0x00000000750C2000-0x00000000750C3000-memory.dmp

Filesize
4KB

Download
memory/4332-1-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/4332-2-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/4332-11-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads