agenttesla | 5c32a108f641e44909abe928e9d4a3d82683b85bcd42e0c4723eadea5d80a6c2

General

Target

36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe
Size

821KB
MD5

36e405c13bdb91f28d3ad5e494625c91
SHA1

8a9e527199b3899547680596ec9e06baa0a3ecbe
SHA256

5c32a108f641e44909abe928e9d4a3d82683b85bcd42e0c4723eadea5d80a6c2
SHA512

12c848ecc1c6e9c7c83ab39333c0d655dbb59e7beaff86ee2fe920cd8b2350ae2b5430a0522a2fc18a2dad31a1828b1146e2b3bf84f00f4e8232524702b19fab
SSDEEP

12288:lT/HK7zQemMjVwgKdTkc2XhtkI2EvnFhUi3dfnOquCqyBS5JcmOVEc73jzckwlke:ArbGVYB2EvnrUiNPOdyBSj

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.aninditaeng.net
Port:
587
Username:
[email protected]
Password:
t2weClGi1f~7Elps
Email To:
[email protected]

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/2176-17-0x0000000000400000-0x000000000043C000-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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	36e405c13bdb91f28d3ad5e494625c91_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 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-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4784 set thread context of 2176	4784	36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe	93

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	36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	36e405c13bdb91f28d3ad5e494625c91_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
2164	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4784	36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe
4784	36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe
4784	36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe
2176	36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe
2176	36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4784	36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe
Token: SeDebugPrivilege	2176	36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2176	36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4784 wrote to memory of 2164	4784	36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe	90
PID 4784 wrote to memory of 2164	4784	36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe	90
PID 4784 wrote to memory of 2164	4784	36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe	90
PID 4784 wrote to memory of 3316	4784	36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe	92
PID 4784 wrote to memory of 3316	4784	36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe	92
PID 4784 wrote to memory of 3316	4784	36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe	92
PID 4784 wrote to memory of 2176	4784	36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe	93
PID 4784 wrote to memory of 2176	4784	36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe	93
PID 4784 wrote to memory of 2176	4784	36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe	93
PID 4784 wrote to memory of 2176	4784	36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe	93
PID 4784 wrote to memory of 2176	4784	36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe	93
PID 4784 wrote to memory of 2176	4784	36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe	93
PID 4784 wrote to memory of 2176	4784	36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe	93
PID 4784 wrote to memory of 2176	4784	36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe	93

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4784
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iQKFJUIneZB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp52BF.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2164
- C:\Users\Admin\AppData\Local\Temp\36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe"
  2⤵
  PID:3316
- C:\Users\Admin\AppData\Local\Temp\36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2176

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

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

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_v4.0_32\UsageLogs\36e405c13bdb91f28d3ad5e494625c91_JaffaCakes118.exe.log

Filesize
1KB

MD5
84e77a587d94307c0ac1357eb4d3d46f

SHA1
83cc900f9401f43d181207d64c5adba7a85edc1e

SHA256
e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

SHA512
aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp52BF.tmp

Filesize
1KB

MD5
4d5e227cfa784eea0fffc46a5813db95

SHA1
6a02689e62b8844ad3a10776fa229e4471eb015c

SHA256
2fca6c8898213cb300d4486929700dcd05e6c3b26a606f7113f8918879f797bd

SHA512
fee2341ebf5bfcd530d2f4b092fec9a153e242deb98637b0480d39a01ed76c108fa639a1f52865e2f81950d5930ddfcfb7bc626e0a97a877dc43193c34faf82b

Download Submit
memory/2176-23-0x0000000005A00000-0x0000000005A18000-memory.dmp

Filesize
96KB

Download
memory/2176-29-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/2176-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2176-28-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/2176-27-0x0000000006830000-0x0000000006880000-memory.dmp

Filesize
320KB

Download
memory/2176-26-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/2176-25-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/2176-24-0x00000000063B0000-0x0000000006416000-memory.dmp

Filesize
408KB

Download
memory/2176-22-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/2176-20-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/4784-8-0x000000007514E000-0x000000007514F000-memory.dmp

Filesize
4KB

Download
memory/4784-4-0x0000000004CE0000-0x0000000004D7C000-memory.dmp

Filesize
624KB

Download
memory/4784-11-0x0000000008D20000-0x0000000008D5C000-memory.dmp

Filesize
240KB

Download
memory/4784-1-0x00000000000F0000-0x00000000001C4000-memory.dmp

Filesize
848KB

Download
memory/4784-21-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/4784-10-0x00000000066D0000-0x0000000006772000-memory.dmp

Filesize
648KB

Download
memory/4784-0-0x000000007514E000-0x000000007514F000-memory.dmp

Filesize
4KB

Download
memory/4784-9-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/4784-3-0x0000000004B60000-0x0000000004BF2000-memory.dmp

Filesize
584KB

Download
memory/4784-7-0x0000000006590000-0x00000000065A6000-memory.dmp

Filesize
88KB

Download
memory/4784-6-0x0000000004C00000-0x0000000004C0A000-memory.dmp

Filesize
40KB

Download
memory/4784-5-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/4784-2-0x00000000051F0000-0x0000000005794000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads