agenttesla | 279479d7f8311dc31a6123bb46451795ae79864582bccee23e3262119a218f34

General

Target

Invoice 3892764.exe
Size

790KB
MD5

e87a53f8119728e8c0e5432276f1fbd9
SHA1

617316663be1c8fe0a31d7e989ce7eae0a93e922
SHA256

279479d7f8311dc31a6123bb46451795ae79864582bccee23e3262119a218f34
SHA512

e02ea27617448d7193ed9f43cc0f93a68e1861bcb2697e0c0d069f9c3a83c93002ddeb9ccdb770a83f97cb590e6aa4f850951bde773a89caa68874418943b873
SSDEEP

12288:asxTA6qNb5y7QsDzVlEcSqXbUsiaB3xeX2lfpuMtUzKVXPTt0uSax:lxs6koFzAcSS+aneX2lwMlVXPZMs

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.rmmarine.com.sg
Port:
587
Username:
[email protected]
Password:
Rmms201809
Email To:
[email protected]

Signatures

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

Processes:

Invoice 3892764.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Invoice 3892764.exe
Key opened	\REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Invoice 3892764.exe
Key opened	\REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Invoice 3892764.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Invoice 3892764.exe

description pid process target process

PID 4140 set thread context of 4112 4140 Invoice 3892764.exe Invoice 3892764.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Invoice 3892764.exe

pid process

4112 Invoice 3892764.exe
4112 Invoice 3892764.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Invoice 3892764.exe

description pid process

Token: SeDebugPrivilege 4112 Invoice 3892764.exe

description	pid	process	target process
PID 4140 set thread context of 4112	4140	Invoice 3892764.exe	Invoice 3892764.exe

pid	process
4112	Invoice 3892764.exe
4112	Invoice 3892764.exe

description	pid	process
Token: SeDebugPrivilege	4112	Invoice 3892764.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Invoice 3892764.exe

description	pid	process	target process
PID 4140 wrote to memory of 4112	4140	Invoice 3892764.exe	Invoice 3892764.exe
PID 4140 wrote to memory of 4112	4140	Invoice 3892764.exe	Invoice 3892764.exe
PID 4140 wrote to memory of 4112	4140	Invoice 3892764.exe	Invoice 3892764.exe
PID 4140 wrote to memory of 4112	4140	Invoice 3892764.exe	Invoice 3892764.exe
PID 4140 wrote to memory of 4112	4140	Invoice 3892764.exe	Invoice 3892764.exe
PID 4140 wrote to memory of 4112	4140	Invoice 3892764.exe	Invoice 3892764.exe
PID 4140 wrote to memory of 4112	4140	Invoice 3892764.exe	Invoice 3892764.exe
PID 4140 wrote to memory of 4112	4140	Invoice 3892764.exe	Invoice 3892764.exe

outlook_office_path 1 IoCs

Processes:

Invoice 3892764.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Invoice 3892764.exe

outlook_win_path 1 IoCs

Processes:

Invoice 3892764.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Invoice 3892764.exe

C:\Users\Admin\AppData\Local\Temp\Invoice 3892764.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice 3892764.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4140

C:\Users\Admin\AppData\Local\Temp\Invoice 3892764.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice 3892764.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4112

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

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\Invoice 3892764.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/4112-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4112-21-0x0000000075190000-0x0000000075940000-memory.dmp

Filesize
7.7MB

Download
memory/4112-20-0x00000000064A0000-0x00000000064F0000-memory.dmp

Filesize
320KB

Download
memory/4112-19-0x00000000057E0000-0x0000000005846000-memory.dmp

Filesize
408KB

Download
memory/4112-18-0x0000000005580000-0x0000000005590000-memory.dmp

Filesize
64KB

Download
memory/4112-16-0x0000000075190000-0x0000000075940000-memory.dmp

Filesize
7.7MB

Download
memory/4140-10-0x00000000052E0000-0x00000000052F0000-memory.dmp

Filesize
64KB

Download
memory/4140-6-0x0000000005BD0000-0x0000000005BEC000-memory.dmp

Filesize
112KB

Download
memory/4140-9-0x0000000005A40000-0x0000000005A50000-memory.dmp

Filesize
64KB

Download
memory/4140-0-0x0000000000D30000-0x0000000000DFC000-memory.dmp

Filesize
816KB

Download
memory/4140-11-0x0000000007120000-0x000000000719C000-memory.dmp

Filesize
496KB

Download
memory/4140-12-0x0000000007240000-0x00000000072DC000-memory.dmp

Filesize
624KB

Download
memory/4140-7-0x0000000005A30000-0x0000000005A3C000-memory.dmp

Filesize
48KB

Download
memory/4140-8-0x0000000075190000-0x0000000075940000-memory.dmp

Filesize
7.7MB

Download
memory/4140-17-0x0000000075190000-0x0000000075940000-memory.dmp

Filesize
7.7MB

Download
memory/4140-5-0x0000000005990000-0x000000000599A000-memory.dmp

Filesize
40KB

Download
memory/4140-4-0x0000000005A40000-0x0000000005A50000-memory.dmp

Filesize
64KB

Download
memory/4140-3-0x00000000057E0000-0x0000000005872000-memory.dmp

Filesize
584KB

Download
memory/4140-2-0x0000000005CF0000-0x0000000006294000-memory.dmp

Filesize
5.6MB

Download
memory/4140-1-0x0000000075190000-0x0000000075940000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads