agenttesla | 6d96b7079f38713fab6c17405615fd41eaae4dcc0ccd63507d20ed5cd8c070e3

General

Target

0d4728178a79b3f7a34094294252d6a8.exe
Size

1.3MB
MD5

0d4728178a79b3f7a34094294252d6a8
SHA1

7806244ef52be105bacae87a23168987e69134f5
SHA256

6d96b7079f38713fab6c17405615fd41eaae4dcc0ccd63507d20ed5cd8c070e3
SHA512

0b37ca1ed150c162975e3f0f8faca8d5a15e9f0b5d1ba0b222e26173a4804cdb073579322d231b996f20c942a60e6d2056931caac4c6c8e95dc6148f7737bc3a
SSDEEP

24576:+95ooKw0UYoVJ5jbUVlAUGwNbwPWnuCXnw8I6TvvtBJ+d9pu80roJvKeSWta3t4J:sWoKw0UYiJ5jbo5GqbwPWnuCXnbRTHts

Score

10^/10

agenttesla collection keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.alfafoodservices.com
Port:
587
Username:
[email protected]
Password:
gwagon2014

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla payload 3 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023214-3.dat	family_agenttesla
behavioral2/memory/628-6-0x0000000000290000-0x00000000002E0000-memory.dmp	family_agenttesla
behavioral2/memory/628-25-0x0000000004C60000-0x0000000004C70000-memory.dmp	family_agenttesla

Executes dropped EXE 1 IoCs

pid	Process
628	test.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
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

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/880-0-0x0000000000400000-0x00000000006A3000-memory.dmp	upx
behavioral2/memory/880-22-0x0000000000400000-0x00000000006A3000-memory.dmp	upx

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	test.exe
Key opened	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	test.exe
Key opened	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	test.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
628	test.exe
628	test.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	628	test.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
628	test.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 880 wrote to memory of 2456	880	0d4728178a79b3f7a34094294252d6a8.exe	88
PID 880 wrote to memory of 2456	880	0d4728178a79b3f7a34094294252d6a8.exe	88
PID 880 wrote to memory of 2456	880	0d4728178a79b3f7a34094294252d6a8.exe	88
PID 2456 wrote to memory of 628	2456	cmd.exe	89
PID 2456 wrote to memory of 628	2456	cmd.exe	89
PID 2456 wrote to memory of 628	2456	cmd.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	test.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	test.exe

C:\Users\Admin\AppData\Local\Temp\0d4728178a79b3f7a34094294252d6a8.exe
"C:\Users\Admin\AppData\Local\Temp\0d4728178a79b3f7a34094294252d6a8.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:880
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c test.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2456
- - C:\Users\Admin\AppData\Local\Temp\test.exe
    test.exe
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - outlook_office_path
    - outlook_win_path
    PID:628

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\Temp\test.exe

Filesize
167KB

MD5
0687bafe9e16dcd8bef8f998327cfcc7

SHA1
2ce6a0dd5a30766f347a5f23e0dde016c8f3348e

SHA256
cf5c21895e43c5826c17150405d75d931690db616890173ae01a699274e3de63

SHA512
0c548e832901a9203013b71122b25d6f3b80b93bec86656d7683cc85286dd4336db54bcb003dd228876d35f55997756aeccb1597390fa5216bc082ef3bbcf3f1

Download Submit
memory/628-11-0x0000000004F30000-0x0000000004F48000-memory.dmp

Filesize
96KB

Download
memory/628-13-0x0000000005ED0000-0x0000000005F20000-memory.dmp

Filesize
320KB

Download
memory/628-7-0x0000000005520000-0x0000000005AC4000-memory.dmp

Filesize
5.6MB

Download
memory/628-5-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/628-9-0x0000000004C60000-0x0000000004C70000-memory.dmp

Filesize
64KB

Download
memory/628-8-0x0000000004D90000-0x0000000004E22000-memory.dmp

Filesize
584KB

Download
memory/628-6-0x0000000000290000-0x00000000002E0000-memory.dmp

Filesize
320KB

Download
memory/628-10-0x0000000004F70000-0x000000000500C000-memory.dmp

Filesize
624KB

Download
memory/628-12-0x0000000005AD0000-0x0000000005B36000-memory.dmp

Filesize
408KB

Download
memory/628-26-0x0000000004C60000-0x0000000004C70000-memory.dmp

Filesize
64KB

Download
memory/628-20-0x0000000004C60000-0x0000000004C70000-memory.dmp

Filesize
64KB

Download
memory/628-19-0x00000000066A0000-0x00000000066AA000-memory.dmp

Filesize
40KB

Download
memory/628-25-0x0000000004C60000-0x0000000004C70000-memory.dmp

Filesize
64KB

Download
memory/628-24-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/880-22-0x0000000000400000-0x00000000006A3000-memory.dmp

Filesize
2.6MB

Download
memory/880-0-0x0000000000400000-0x00000000006A3000-memory.dmp

Filesize
2.6MB

Download

Analysis

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