agenttesla | 8d7e7de33c7e1f4d0f3bc0ac20f92e2f2e0df9ee62b93a3e340cdfdbbf6a27c1

General

Target

NEW RFQ_Dole Int'l Korea.exe
Size

473KB
MD5

25ab12854daf3e994ddfeea8d0770f3f
SHA1

47d48a204146fba4efce4b2ef901fc06b2deddc4
SHA256

407dbe5863d155a141aec5b500637d794275bf0680e2c8ca34e99f56a28f11a9
SHA512

5a625db7252587797f346451da0d3596f6fa6ff6f620b495c8011a48a59a89e9f88fef43c2d52e33f17f9f1838eecfac39f3fae04325bd60ddbec8b12fdb4dfa

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.flsrnidth.com
Port:
587
Username:
[email protected]
Password:
x{Op,7(4O+yl

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4324-136-0x0000000000400000-0x000000000044C000-memory.dmp	family_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

Processes:

NEW RFQ_Dole Int'l Korea.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW RFQ_Dole Int'l Korea.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW RFQ_Dole Int'l Korea.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW RFQ_Dole Int'l Korea.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

NEW RFQ_Dole Int'l Korea.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe"	NEW RFQ_Dole Int'l Korea.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

NEW RFQ_Dole Int'l Korea.exe

description pid process target process

PID 4128 set thread context of 4324 4128 NEW RFQ_Dole Int'l Korea.exe NEW RFQ_Dole Int'l Korea.exe

description	pid	process	target process
PID 4128 set thread context of 4324	4128	NEW RFQ_Dole Int'l Korea.exe	NEW RFQ_Dole Int'l Korea.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

NEW RFQ_Dole Int'l Korea.exeNEW RFQ_Dole Int'l Korea.exe

pid	process
4128	NEW RFQ_Dole Int'l Korea.exe
4128	NEW RFQ_Dole Int'l Korea.exe
4128	NEW RFQ_Dole Int'l Korea.exe
4324	NEW RFQ_Dole Int'l Korea.exe
4324	NEW RFQ_Dole Int'l Korea.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

NEW RFQ_Dole Int'l Korea.exe

pid process

4324 NEW RFQ_Dole Int'l Korea.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

NEW RFQ_Dole Int'l Korea.exeNEW RFQ_Dole Int'l Korea.exe

description pid process

Token: SeDebugPrivilege 4128 NEW RFQ_Dole Int'l Korea.exe
Token: SeDebugPrivilege 4324 NEW RFQ_Dole Int'l Korea.exe

pid	process
4324	NEW RFQ_Dole Int'l Korea.exe

description	pid	process
Token: SeDebugPrivilege	4128	NEW RFQ_Dole Int'l Korea.exe
Token: SeDebugPrivilege	4324	NEW RFQ_Dole Int'l Korea.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

NEW RFQ_Dole Int'l Korea.exe

description	pid	process	target process
PID 4128 wrote to memory of 4324	4128	NEW RFQ_Dole Int'l Korea.exe	NEW RFQ_Dole Int'l Korea.exe
PID 4128 wrote to memory of 4324	4128	NEW RFQ_Dole Int'l Korea.exe	NEW RFQ_Dole Int'l Korea.exe
PID 4128 wrote to memory of 4324	4128	NEW RFQ_Dole Int'l Korea.exe	NEW RFQ_Dole Int'l Korea.exe
PID 4128 wrote to memory of 4324	4128	NEW RFQ_Dole Int'l Korea.exe	NEW RFQ_Dole Int'l Korea.exe
PID 4128 wrote to memory of 4324	4128	NEW RFQ_Dole Int'l Korea.exe	NEW RFQ_Dole Int'l Korea.exe
PID 4128 wrote to memory of 4324	4128	NEW RFQ_Dole Int'l Korea.exe	NEW RFQ_Dole Int'l Korea.exe
PID 4128 wrote to memory of 4324	4128	NEW RFQ_Dole Int'l Korea.exe	NEW RFQ_Dole Int'l Korea.exe
PID 4128 wrote to memory of 4324	4128	NEW RFQ_Dole Int'l Korea.exe	NEW RFQ_Dole Int'l Korea.exe

outlook_office_path 1 IoCs

Processes:

NEW RFQ_Dole Int'l Korea.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW RFQ_Dole Int'l Korea.exe

outlook_win_path 1 IoCs

Processes:

NEW RFQ_Dole Int'l Korea.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW RFQ_Dole Int'l Korea.exe

C:\Users\Admin\AppData\Local\Temp\NEW RFQ_Dole Int'l Korea.exe
"C:\Users\Admin\AppData\Local\Temp\NEW RFQ_Dole Int'l Korea.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4128

C:\Users\Admin\AppData\Local\Temp\NEW RFQ_Dole Int'l Korea.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4324

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\NEW RFQ_Dole Int'l Korea.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/4128-130-0x0000000000D70000-0x0000000000DEC000-memory.dmp

Filesize
496KB

Download
memory/4128-131-0x0000000005D50000-0x00000000062F4000-memory.dmp

Filesize
5.6MB

Download
memory/4128-132-0x00000000057A0000-0x0000000005832000-memory.dmp

Filesize
584KB

Download
memory/4128-133-0x0000000005930000-0x000000000593A000-memory.dmp

Filesize
40KB

Download
memory/4128-134-0x0000000008440000-0x00000000084DC000-memory.dmp

Filesize
624KB

Download
memory/4324-135-0x0000000000000000-mapping.dmp

Download
memory/4324-136-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4324-138-0x0000000005530000-0x0000000005596000-memory.dmp

Filesize
408KB

Download
memory/4324-139-0x00000000062D0000-0x0000000006320000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads