agenttesla | 8a7d7ead016896373547cc431e014a9d6a6af581d2c78c5d6c54029d67ae1a82

General

Target

DHL Receipt_95521152018.exe
Size

663KB
MD5

9718853c421d5e323f7c851d6e6d3477
SHA1

e816b528e32cc59ae4ffe38f17bd7501bec2a86b
SHA256

8a7d7ead016896373547cc431e014a9d6a6af581d2c78c5d6c54029d67ae1a82
SHA512

ecb2680c0103e6762c90630c112cb0d7ab2bf3c9c351d7b393d3f1f40b4b582ea2ff5dd6f1405959aa8f7c9d11459148f7cd4941c857fe4e55091480aa9c4bf5
SSDEEP

12288:JEfOZ1LKMYrQsO5ymyunNiZzPzHF7jlnnBoMSc0n89XlSGv:mWZMMYrQsO5zyu+TnBoMn0yV

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://discord.com/api/webhooks/1145972821810495569/PegkyEU-M73Raf4uQETS497Tswn1FxpE00N5s-dCyvCDbhrDKLRqjlMsuyVcuMi3eJW-

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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-1-5-21-4078585466-1563564224-3678410669-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL Receipt_95521152018.exe
Key opened	\REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL Receipt_95521152018.exe
Key opened	\REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL Receipt_95521152018.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1904 set thread context of 1896	1904	DHL Receipt_95521152018.exe	90

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1896	DHL Receipt_95521152018.exe
1896	DHL Receipt_95521152018.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1896	DHL Receipt_95521152018.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1904 wrote to memory of 1896	1904	DHL Receipt_95521152018.exe	90
PID 1904 wrote to memory of 1896	1904	DHL Receipt_95521152018.exe	90
PID 1904 wrote to memory of 1896	1904	DHL Receipt_95521152018.exe	90
PID 1904 wrote to memory of 1896	1904	DHL Receipt_95521152018.exe	90
PID 1904 wrote to memory of 1896	1904	DHL Receipt_95521152018.exe	90
PID 1904 wrote to memory of 1896	1904	DHL Receipt_95521152018.exe	90
PID 1904 wrote to memory of 1896	1904	DHL Receipt_95521152018.exe	90
PID 1904 wrote to memory of 1896	1904	DHL Receipt_95521152018.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL Receipt_95521152018.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL Receipt_95521152018.exe

C:\Users\Admin\AppData\Local\Temp\DHL Receipt_95521152018.exe
"C:\Users\Admin\AppData\Local\Temp\DHL Receipt_95521152018.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1904
- C:\Users\Admin\AppData\Local\Temp\DHL Receipt_95521152018.exe
  "C:\Users\Admin\AppData\Local\Temp\DHL Receipt_95521152018.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1896

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\DHL Receipt_95521152018.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1896-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1896-17-0x0000000006410000-0x0000000006460000-memory.dmp

Filesize
320KB

Download
memory/1896-16-0x00000000748E0000-0x0000000075090000-memory.dmp

Filesize
7.7MB

Download
memory/1896-15-0x00000000057A0000-0x0000000005806000-memory.dmp

Filesize
408KB

Download
memory/1896-14-0x0000000001820000-0x0000000001830000-memory.dmp

Filesize
64KB

Download
memory/1896-12-0x00000000748E0000-0x0000000075090000-memory.dmp

Filesize
7.7MB

Download
memory/1904-8-0x00000000057B0000-0x00000000057C0000-memory.dmp

Filesize
64KB

Download
memory/1904-0-0x00000000748E0000-0x0000000075090000-memory.dmp

Filesize
7.7MB

Download
memory/1904-7-0x00000000748E0000-0x0000000075090000-memory.dmp

Filesize
7.7MB

Download
memory/1904-6-0x00000000057C0000-0x000000000585C000-memory.dmp

Filesize
624KB

Download
memory/1904-5-0x00000000054E0000-0x00000000054EA000-memory.dmp

Filesize
40KB

Download
memory/1904-13-0x00000000748E0000-0x0000000075090000-memory.dmp

Filesize
7.7MB

Download
memory/1904-4-0x00000000057B0000-0x00000000057C0000-memory.dmp

Filesize
64KB

Download
memory/1904-3-0x0000000005550000-0x00000000055E2000-memory.dmp

Filesize
584KB

Download
memory/1904-2-0x0000000005B00000-0x00000000060A4000-memory.dmp

Filesize
5.6MB

Download
memory/1904-1-0x0000000000BC0000-0x0000000000C6C000-memory.dmp

Filesize
688KB

Download

Analysis

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