agenttesla | b6f696764f50b5fddc8204a9b35053da3a097dc54cf8e740635e042bbee0419c

General

Target

1808-74-0x0000000000400000-0x000000000043F000-memory.exe
Size

252KB
MD5

8bbab7418675d72363d03ae209dad5cb
SHA1

09b417d68a4dc7bc8463740f89f14e7dc0c76c43
SHA256

b6f696764f50b5fddc8204a9b35053da3a097dc54cf8e740635e042bbee0419c
SHA512

6a5073a5beaa0f64876bb4f0f2de1a81a09d3b73114673866f817fe2b29a100fa72f58dfcc3f67339b8b1e503a99c9789c37e0800c88cf75c01f380270acfb0f
SSDEEP

3072:DefNOSBdA1t90TAaZWm3mG9KRrpU2uTBhlVqUjfwye+POmW++no//M:ZSqzWV2J22WBjVRzNDOTN

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
sqsendy.shop
Port:
587
Username:
[email protected]
Password:
BR[[email protected]+]
Email To:
[email protected]

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-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	1808-74-0x0000000000400000-0x000000000043F000-memory.exe

Executes dropped EXE 2 IoCs

pid	Process
3356	FB_76BB.tmp.exe
4840	FB_79D9.tmp.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-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FB_76BB.tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FB_76BB.tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FB_76BB.tmp.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
17	api.ipify.org
18	api.ipify.org

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3356	FB_76BB.tmp.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1756 wrote to memory of 3356	1756	1808-74-0x0000000000400000-0x000000000043F000-memory.exe	86
PID 1756 wrote to memory of 3356	1756	1808-74-0x0000000000400000-0x000000000043F000-memory.exe	86
PID 1756 wrote to memory of 3356	1756	1808-74-0x0000000000400000-0x000000000043F000-memory.exe	86
PID 1756 wrote to memory of 4840	1756	1808-74-0x0000000000400000-0x000000000043F000-memory.exe	87
PID 1756 wrote to memory of 4840	1756	1808-74-0x0000000000400000-0x000000000043F000-memory.exe	87

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FB_76BB.tmp.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FB_76BB.tmp.exe

C:\Users\Admin\AppData\Local\Temp\1808-74-0x0000000000400000-0x000000000043F000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\1808-74-0x0000000000400000-0x000000000043F000-memory.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1756
- C:\Users\Admin\AppData\Local\Temp\FB_76BB.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\FB_76BB.tmp.exe"
  2⤵
  - Executes dropped EXE
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3356
- C:\Users\Admin\AppData\Local\Temp\FB_79D9.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\FB_79D9.tmp.exe"
  2⤵
  - Executes dropped EXE
  PID:4840

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\FB_76BB.tmp.exe

Filesize
164KB

MD5
57cf6d3236cbff3c46e9902ac6c3d26e

SHA1
f22a4101df1709f4b9aa20d0a3cc538b3234bb9e

SHA256
70907292dc11efa77ff94d7e9141dc9071c4ea1159e9ddd3fbe2fa3107aa5213

SHA512
5611b83ae4df62c3cc324bb78d7d69a3d5ebebbd87e9e785915344f9afca5d27c814045080b4bc8007b649ba3f2457ec3c2382af417f0351ec76434b5e2433c7

Download Submit
C:\Users\Admin\AppData\Local\Temp\FB_76BB.tmp.exe

Filesize
164KB

MD5
57cf6d3236cbff3c46e9902ac6c3d26e

SHA1
f22a4101df1709f4b9aa20d0a3cc538b3234bb9e

SHA256
70907292dc11efa77ff94d7e9141dc9071c4ea1159e9ddd3fbe2fa3107aa5213

SHA512
5611b83ae4df62c3cc324bb78d7d69a3d5ebebbd87e9e785915344f9afca5d27c814045080b4bc8007b649ba3f2457ec3c2382af417f0351ec76434b5e2433c7

Download Submit
C:\Users\Admin\AppData\Local\Temp\FB_76BB.tmp.exe

Filesize
164KB

MD5
57cf6d3236cbff3c46e9902ac6c3d26e

SHA1
f22a4101df1709f4b9aa20d0a3cc538b3234bb9e

SHA256
70907292dc11efa77ff94d7e9141dc9071c4ea1159e9ddd3fbe2fa3107aa5213

SHA512
5611b83ae4df62c3cc324bb78d7d69a3d5ebebbd87e9e785915344f9afca5d27c814045080b4bc8007b649ba3f2457ec3c2382af417f0351ec76434b5e2433c7

Download Submit
C:\Users\Admin\AppData\Local\Temp\FB_79D9.tmp.exe

Filesize
70KB

MD5
3c149955edfbf01a4a3ca9f3e6d82716

SHA1
757f5556b019198c16872c11eb11afb1cb44b709

SHA256
fb2101cc53c5e5e29162fe46851b2e1d7eb682642364c81fa824b37c6e32a926

SHA512
5ba878fe071c05e77aa91b3a1b8c52f8862bf01509eeb509d3cf63bce2ac3831f7416a978bcd1a8834a7b4a048a2cdfaaa8a5ff85cbb5d73e6cdd489900ddfc1

Download Submit
C:\Users\Admin\AppData\Local\Temp\FB_79D9.tmp.exe

Filesize
70KB

MD5
3c149955edfbf01a4a3ca9f3e6d82716

SHA1
757f5556b019198c16872c11eb11afb1cb44b709

SHA256
fb2101cc53c5e5e29162fe46851b2e1d7eb682642364c81fa824b37c6e32a926

SHA512
5ba878fe071c05e77aa91b3a1b8c52f8862bf01509eeb509d3cf63bce2ac3831f7416a978bcd1a8834a7b4a048a2cdfaaa8a5ff85cbb5d73e6cdd489900ddfc1

Download Submit
C:\Users\Admin\AppData\Local\Temp\FB_79D9.tmp.exe

Filesize
70KB

MD5
3c149955edfbf01a4a3ca9f3e6d82716

SHA1
757f5556b019198c16872c11eb11afb1cb44b709

SHA256
fb2101cc53c5e5e29162fe46851b2e1d7eb682642364c81fa824b37c6e32a926

SHA512
5ba878fe071c05e77aa91b3a1b8c52f8862bf01509eeb509d3cf63bce2ac3831f7416a978bcd1a8834a7b4a048a2cdfaaa8a5ff85cbb5d73e6cdd489900ddfc1

Download Submit
memory/3356-159-0x00000000055F0000-0x0000000005B94000-memory.dmp

Filesize
5.6MB

Download
memory/3356-156-0x00000000005B0000-0x00000000005E0000-memory.dmp

Filesize
192KB

Download
memory/3356-161-0x0000000004F70000-0x0000000004FD6000-memory.dmp

Filesize
408KB

Download
memory/3356-162-0x00000000051C0000-0x00000000051D0000-memory.dmp

Filesize
64KB

Download
memory/3356-163-0x00000000069D0000-0x0000000006A62000-memory.dmp

Filesize
584KB

Download
memory/3356-164-0x0000000006980000-0x000000000698A000-memory.dmp

Filesize
40KB

Download
memory/3356-165-0x0000000006C10000-0x0000000006C60000-memory.dmp

Filesize
320KB

Download
memory/3356-166-0x0000000006E50000-0x0000000007012000-memory.dmp

Filesize
1.8MB

Download
memory/3356-168-0x00000000051C0000-0x00000000051D0000-memory.dmp

Filesize
64KB

Download
memory/4840-155-0x0000020DAB8D0000-0x0000020DAB8E8000-memory.dmp

Filesize
96KB

Download
memory/4840-160-0x0000020DC6F60000-0x0000020DC6F70000-memory.dmp

Filesize
64KB

Download
memory/4840-167-0x0000020DC6F60000-0x0000020DC6F70000-memory.dmp

Filesize
64KB

Download

Analysis

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