agenttesla | a86ebb515972e0290fe78d073a8a057ae65181ffc8f511f2ddcebe1fb9a47a5e

General

Target

Bytcentrum New Inquiry #57280_PDF.exe
Size

717KB
MD5

08ebb1813895b664712ce4b91d3ae1f7
SHA1

a2f15bf230124ec8c1cd658a721528e6800e4c9d
SHA256

a86ebb515972e0290fe78d073a8a057ae65181ffc8f511f2ddcebe1fb9a47a5e
SHA512

7cddbe02536f43949c33de2e084d38aac8baa42fc628bb5dd73293de26ba7e8bc5b5082d5c24ab3ea5e087e0c493c140b327ef7b88bc1834383c00a89b7ea363
SSDEEP

12288:ptHnV7rD6PuHzDDGrqMaofNbWQUIHs3siRN:t3DXX4qMaybXBwsi7

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:

Bytcentrum New Inquiry #57280_PDF.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bytcentrum New Inquiry #57280_PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bytcentrum New Inquiry #57280_PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bytcentrum New Inquiry #57280_PDF.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Bytcentrum New Inquiry #57280_PDF.exe

description pid process target process

PID 2540 set thread context of 1324 2540 Bytcentrum New Inquiry #57280_PDF.exe Bytcentrum New Inquiry #57280_PDF.exe

description	pid	process	target process
PID 2540 set thread context of 1324	2540	Bytcentrum New Inquiry #57280_PDF.exe	Bytcentrum New Inquiry #57280_PDF.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

Bytcentrum New Inquiry #57280_PDF.exeBytcentrum New Inquiry #57280_PDF.exe

pid	process
2540	Bytcentrum New Inquiry #57280_PDF.exe
2540	Bytcentrum New Inquiry #57280_PDF.exe
2540	Bytcentrum New Inquiry #57280_PDF.exe
2540	Bytcentrum New Inquiry #57280_PDF.exe
1324	Bytcentrum New Inquiry #57280_PDF.exe
1324	Bytcentrum New Inquiry #57280_PDF.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Bytcentrum New Inquiry #57280_PDF.exeBytcentrum New Inquiry #57280_PDF.exe

description	pid	process
Token: SeDebugPrivilege	2540	Bytcentrum New Inquiry #57280_PDF.exe
Token: SeDebugPrivilege	1324	Bytcentrum New Inquiry #57280_PDF.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Bytcentrum New Inquiry #57280_PDF.exe

description	pid	process	target process
PID 2540 wrote to memory of 336	2540	Bytcentrum New Inquiry #57280_PDF.exe	Bytcentrum New Inquiry #57280_PDF.exe
PID 2540 wrote to memory of 336	2540	Bytcentrum New Inquiry #57280_PDF.exe	Bytcentrum New Inquiry #57280_PDF.exe
PID 2540 wrote to memory of 336	2540	Bytcentrum New Inquiry #57280_PDF.exe	Bytcentrum New Inquiry #57280_PDF.exe
PID 2540 wrote to memory of 3600	2540	Bytcentrum New Inquiry #57280_PDF.exe	Bytcentrum New Inquiry #57280_PDF.exe
PID 2540 wrote to memory of 3600	2540	Bytcentrum New Inquiry #57280_PDF.exe	Bytcentrum New Inquiry #57280_PDF.exe
PID 2540 wrote to memory of 3600	2540	Bytcentrum New Inquiry #57280_PDF.exe	Bytcentrum New Inquiry #57280_PDF.exe
PID 2540 wrote to memory of 1324	2540	Bytcentrum New Inquiry #57280_PDF.exe	Bytcentrum New Inquiry #57280_PDF.exe
PID 2540 wrote to memory of 1324	2540	Bytcentrum New Inquiry #57280_PDF.exe	Bytcentrum New Inquiry #57280_PDF.exe
PID 2540 wrote to memory of 1324	2540	Bytcentrum New Inquiry #57280_PDF.exe	Bytcentrum New Inquiry #57280_PDF.exe
PID 2540 wrote to memory of 1324	2540	Bytcentrum New Inquiry #57280_PDF.exe	Bytcentrum New Inquiry #57280_PDF.exe
PID 2540 wrote to memory of 1324	2540	Bytcentrum New Inquiry #57280_PDF.exe	Bytcentrum New Inquiry #57280_PDF.exe
PID 2540 wrote to memory of 1324	2540	Bytcentrum New Inquiry #57280_PDF.exe	Bytcentrum New Inquiry #57280_PDF.exe
PID 2540 wrote to memory of 1324	2540	Bytcentrum New Inquiry #57280_PDF.exe	Bytcentrum New Inquiry #57280_PDF.exe
PID 2540 wrote to memory of 1324	2540	Bytcentrum New Inquiry #57280_PDF.exe	Bytcentrum New Inquiry #57280_PDF.exe

outlook_office_path 1 IoCs

Processes:

Bytcentrum New Inquiry #57280_PDF.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bytcentrum New Inquiry #57280_PDF.exe

outlook_win_path 1 IoCs

Processes:

Bytcentrum New Inquiry #57280_PDF.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bytcentrum New Inquiry #57280_PDF.exe

C:\Users\Admin\AppData\Local\Temp\Bytcentrum New Inquiry #57280_PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Bytcentrum New Inquiry #57280_PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2540

C:\Users\Admin\AppData\Local\Temp\Bytcentrum New Inquiry #57280_PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Bytcentrum New Inquiry #57280_PDF.exe"
2⤵
PID:336

C:\Users\Admin\AppData\Local\Temp\Bytcentrum New Inquiry #57280_PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Bytcentrum New Inquiry #57280_PDF.exe"
2⤵
PID:3600

C:\Users\Admin\AppData\Local\Temp\Bytcentrum New Inquiry #57280_PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Bytcentrum New Inquiry #57280_PDF.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1324

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\Bytcentrum New Inquiry #57280_PDF.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1324-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1324-22-0x00000000059C0000-0x00000000059D0000-memory.dmp

Filesize
64KB

Download
memory/1324-21-0x0000000074BA0000-0x0000000075350000-memory.dmp

Filesize
7.7MB

Download
memory/1324-20-0x00000000066B0000-0x0000000006700000-memory.dmp

Filesize
320KB

Download
memory/1324-19-0x00000000059D0000-0x0000000005A36000-memory.dmp

Filesize
408KB

Download
memory/1324-18-0x00000000059C0000-0x00000000059D0000-memory.dmp

Filesize
64KB

Download
memory/1324-17-0x0000000074BA0000-0x0000000075350000-memory.dmp

Filesize
7.7MB

Download
memory/2540-5-0x00000000052A0000-0x00000000052AA000-memory.dmp

Filesize
40KB

Download
memory/2540-6-0x00000000055E0000-0x00000000055FA000-memory.dmp

Filesize
104KB

Download
memory/2540-10-0x00000000065B0000-0x00000000065BC000-memory.dmp

Filesize
48KB

Download
memory/2540-11-0x0000000009990000-0x0000000009A0C000-memory.dmp

Filesize
496KB

Download
memory/2540-12-0x000000000C270000-0x000000000C30C000-memory.dmp

Filesize
624KB

Download
memory/2540-8-0x0000000005070000-0x0000000005080000-memory.dmp

Filesize
64KB

Download
memory/2540-7-0x0000000074BA0000-0x0000000075350000-memory.dmp

Filesize
7.7MB

Download
memory/2540-9-0x0000000005600000-0x000000000560A000-memory.dmp

Filesize
40KB

Download
memory/2540-16-0x0000000074BA0000-0x0000000075350000-memory.dmp

Filesize
7.7MB

Download
memory/2540-1-0x0000000000640000-0x00000000006FA000-memory.dmp

Filesize
744KB

Download
memory/2540-4-0x0000000005070000-0x0000000005080000-memory.dmp

Filesize
64KB

Download
memory/2540-3-0x0000000005100000-0x0000000005192000-memory.dmp

Filesize
584KB

Download
memory/2540-2-0x0000000005610000-0x0000000005BB4000-memory.dmp

Filesize
5.6MB

Download
memory/2540-0-0x0000000074BA0000-0x0000000075350000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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