agenttesla | 221a81d66ccd5492f313733aca66534af9350f427c50a6b30c7a65dce1ea0fbb

General

Target

2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe
Size

943KB
MD5

21e603ea77b316cce2ec68a44cd735c7
SHA1

2bc285f3a8bd60f55bd659b360b1c77eab820b5e
SHA256

221a81d66ccd5492f313733aca66534af9350f427c50a6b30c7a65dce1ea0fbb
SHA512

0256baa5a9e545d3936e98a77eebdaa457aaa78c25c2c9717762d2fbaa103ab26f45bb93164a40374ec0b324b538c42992440ffda7df89b8bef621d2a694b39e
SSDEEP

12288:ziWHxYV/jqmkMD2DExj6L+lMBebblLTMGa9EDL9y3r9FibYjIaCJVbDGo:ztHxYgExj6L+lMBebbRMCD7sjIxJDv

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
host39.registrar-servers.com
Port:
587
Username:
[email protected]
Password:
payment 12345

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware 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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.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-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.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
35	api.ipify.org
36	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4820 set thread context of 3720	4820	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe	92

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
3724	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4820	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe
3720	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe
3720	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe
3720	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4820	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe
Token: SeDebugPrivilege	3720	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4820 wrote to memory of 3724	4820	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe	90
PID 4820 wrote to memory of 3724	4820	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe	90
PID 4820 wrote to memory of 3724	4820	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe	90
PID 4820 wrote to memory of 3720	4820	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe	92
PID 4820 wrote to memory of 3720	4820	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe	92
PID 4820 wrote to memory of 3720	4820	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe	92
PID 4820 wrote to memory of 3720	4820	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe	92
PID 4820 wrote to memory of 3720	4820	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe	92
PID 4820 wrote to memory of 3720	4820	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe	92
PID 4820 wrote to memory of 3720	4820	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe	92
PID 4820 wrote to memory of 3720	4820	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe	92

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe

C:\Users\Admin\AppData\Local\Temp\2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe
"C:\Users\Admin\AppData\Local\Temp\2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4820
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CDNABzJvQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD249.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3724
- C:\Users\Admin\AppData\Local\Temp\2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3720

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

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\2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe.log

Filesize
1KB

MD5
84e77a587d94307c0ac1357eb4d3d46f

SHA1
83cc900f9401f43d181207d64c5adba7a85edc1e

SHA256
e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

SHA512
aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD249.tmp

Filesize
1KB

MD5
d912597492b3bc881991bde6c8c33fac

SHA1
41a555c3595e31dcaee61186e93ed7217a12b2fb

SHA256
1af1325676d79b76e0dc26ba404ae0b44d5569a55642a3f9335d3e49265527a0

SHA512
ca7cc79e45cc10bcc1cdb3f85f3ee2db8404b8b5e2ddb03ab60377951e940b57a5ae8eb7a8aafd23978560c754691306ec3143b4716b1ce207ae800b0ccd2c29

Download Submit
memory/3720-140-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3720-142-0x0000000006540000-0x00000000065A6000-memory.dmp

Filesize
408KB

Download
memory/3720-143-0x0000000007070000-0x00000000070C0000-memory.dmp

Filesize
320KB

Download
memory/4820-132-0x0000000000AE0000-0x0000000000BD2000-memory.dmp

Filesize
968KB

Download
memory/4820-133-0x0000000005BB0000-0x0000000006154000-memory.dmp

Filesize
5.6MB

Download
memory/4820-134-0x0000000005600000-0x0000000005692000-memory.dmp

Filesize
584KB

Download
memory/4820-135-0x00000000056A0000-0x000000000573C000-memory.dmp

Filesize
624KB

Download
memory/4820-136-0x0000000005570000-0x000000000557A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads