agenttesla | f5d87682a45a92cc4dbea8ef788846df4492501ffea1ef1da4fbe7372ee5f44d

General

Target

a983dd23ea30dc4c94881bf5e3a2fbdc.exe
Size

800KB
MD5

a983dd23ea30dc4c94881bf5e3a2fbdc
SHA1

7345aeef2a379727c9d0d5d4d83880f943a2b101
SHA256

f5d87682a45a92cc4dbea8ef788846df4492501ffea1ef1da4fbe7372ee5f44d
SHA512

b3cf61f082bcdcddc089f3613838caa2cb8cb56eb0c0c2a10d079b5d98a3cd08d938c7a6527232095ba496015444dc2d584b46ec673b2b09d8d84acadebba841
SSDEEP

12288:gE4sQwoLkO6fAkflhth006PNF/ss+FG5oWknid2IKZjigx98kBnuC8dLvFzPQ:gsQwcKnU06PNFUs+a94Xx99BDOzPQ

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5806691582:AAH6u3QmlmdvCPddcnWF_1vIYT8ymbk2K8M/

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
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-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a983dd23ea30dc4c94881bf5e3a2fbdc.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a983dd23ea30dc4c94881bf5e3a2fbdc.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a983dd23ea30dc4c94881bf5e3a2fbdc.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
46	api.ipify.org
47	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2044 set thread context of 4904	2044	a983dd23ea30dc4c94881bf5e3a2fbdc.exe	102

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2044	a983dd23ea30dc4c94881bf5e3a2fbdc.exe
2044	a983dd23ea30dc4c94881bf5e3a2fbdc.exe
2044	a983dd23ea30dc4c94881bf5e3a2fbdc.exe
2044	a983dd23ea30dc4c94881bf5e3a2fbdc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2044	a983dd23ea30dc4c94881bf5e3a2fbdc.exe
Token: SeDebugPrivilege	4904	a983dd23ea30dc4c94881bf5e3a2fbdc.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 448	2044	a983dd23ea30dc4c94881bf5e3a2fbdc.exe	100
PID 2044 wrote to memory of 448	2044	a983dd23ea30dc4c94881bf5e3a2fbdc.exe	100
PID 2044 wrote to memory of 448	2044	a983dd23ea30dc4c94881bf5e3a2fbdc.exe	100
PID 2044 wrote to memory of 3336	2044	a983dd23ea30dc4c94881bf5e3a2fbdc.exe	101
PID 2044 wrote to memory of 3336	2044	a983dd23ea30dc4c94881bf5e3a2fbdc.exe	101
PID 2044 wrote to memory of 3336	2044	a983dd23ea30dc4c94881bf5e3a2fbdc.exe	101
PID 2044 wrote to memory of 4904	2044	a983dd23ea30dc4c94881bf5e3a2fbdc.exe	102
PID 2044 wrote to memory of 4904	2044	a983dd23ea30dc4c94881bf5e3a2fbdc.exe	102
PID 2044 wrote to memory of 4904	2044	a983dd23ea30dc4c94881bf5e3a2fbdc.exe	102
PID 2044 wrote to memory of 4904	2044	a983dd23ea30dc4c94881bf5e3a2fbdc.exe	102
PID 2044 wrote to memory of 4904	2044	a983dd23ea30dc4c94881bf5e3a2fbdc.exe	102
PID 2044 wrote to memory of 4904	2044	a983dd23ea30dc4c94881bf5e3a2fbdc.exe	102
PID 2044 wrote to memory of 4904	2044	a983dd23ea30dc4c94881bf5e3a2fbdc.exe	102
PID 2044 wrote to memory of 4904	2044	a983dd23ea30dc4c94881bf5e3a2fbdc.exe	102

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a983dd23ea30dc4c94881bf5e3a2fbdc.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a983dd23ea30dc4c94881bf5e3a2fbdc.exe

C:\Users\Admin\AppData\Local\Temp\a983dd23ea30dc4c94881bf5e3a2fbdc.exe
"C:\Users\Admin\AppData\Local\Temp\a983dd23ea30dc4c94881bf5e3a2fbdc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2044
- C:\Users\Admin\AppData\Local\Temp\a983dd23ea30dc4c94881bf5e3a2fbdc.exe
  "C:\Users\Admin\AppData\Local\Temp\a983dd23ea30dc4c94881bf5e3a2fbdc.exe"
  2⤵
  PID:448
- C:\Users\Admin\AppData\Local\Temp\a983dd23ea30dc4c94881bf5e3a2fbdc.exe
  "C:\Users\Admin\AppData\Local\Temp\a983dd23ea30dc4c94881bf5e3a2fbdc.exe"
  2⤵
  PID:3336
- C:\Users\Admin\AppData\Local\Temp\a983dd23ea30dc4c94881bf5e3a2fbdc.exe
  "C:\Users\Admin\AppData\Local\Temp\a983dd23ea30dc4c94881bf5e3a2fbdc.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4904

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\a983dd23ea30dc4c94881bf5e3a2fbdc.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2044-139-0x0000000007160000-0x00000000071FC000-memory.dmp

Filesize
624KB

Download
memory/2044-135-0x0000000005560000-0x00000000055F2000-memory.dmp

Filesize
584KB

Download
memory/2044-136-0x0000000005610000-0x000000000561A000-memory.dmp

Filesize
40KB

Download
memory/2044-137-0x0000000005690000-0x00000000056A0000-memory.dmp

Filesize
64KB

Download
memory/2044-138-0x0000000005690000-0x00000000056A0000-memory.dmp

Filesize
64KB

Download
memory/2044-133-0x0000000000AE0000-0x0000000000BAE000-memory.dmp

Filesize
824KB

Download
memory/2044-134-0x0000000005A70000-0x0000000006014000-memory.dmp

Filesize
5.6MB

Download
memory/4904-140-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4904-143-0x00000000052C0000-0x0000000005326000-memory.dmp

Filesize
408KB

Download
memory/4904-144-0x0000000005440000-0x0000000005450000-memory.dmp

Filesize
64KB

Download
memory/4904-145-0x0000000006E10000-0x0000000006E60000-memory.dmp

Filesize
320KB

Download
memory/4904-146-0x0000000007030000-0x00000000071F2000-memory.dmp

Filesize
1.8MB

Download
memory/4904-147-0x0000000005440000-0x0000000005450000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing