agenttesla | 60d64391a2d2632f20b0861d2f74f6568fb70bcceedfaf998db1d88ad4a4cc81

General

Target

RFQ__PR_.exe
Size

955KB
MD5

6d823d1b2a16711319fa18cd7572dd5f
SHA1

939bd30ea50d1aed08709d404fb2fc3ec560bdf4
SHA256

af77d39da76931a81bfd25f69b8bada064540e564af4848d5f87abb3c1eae795
SHA512

b725130440f061665edebe68849234b6c64d68fcc9509cdd90cedb72b67ea135f7c64e4dc2d71a6fce64f8593e5138f06628f2a2c56c366328a449c94e0165c5

Score

10^/10

agenttesla agilenet collection keylogger spyware stealer trojan

Malware Config

Signatures

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

AgentTesla Payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1620-55-0x0000000000260000-0x0000000000354000-memory.dmp	family_agenttesla
behavioral1/memory/324-63-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/324-64-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/324-65-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/324-68-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla

Executes dropped EXE 1 IoCs

Processes:

InstallUtil.exe

pid process

324 InstallUtil.exe
Loads dropped DLL 1 IoCs

Processes:

RFQ__PR_.exe

pid process

1620 RFQ__PR_.exe

pid	process
324	InstallUtil.exe

pid	process
1620	RFQ__PR_.exe

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

Processes:

resource	yara_rule
behavioral1/memory/1620-58-0x0000000000510000-0x0000000000524000-memory.dmp	agile_net

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:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

RFQ__PR_.exe

description pid process target process

PID 1620 set thread context of 324 1620 RFQ__PR_.exe InstallUtil.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

RFQ__PR_.exeInstallUtil.exe

pid process

1620 RFQ__PR_.exe
324 InstallUtil.exe
324 InstallUtil.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RFQ__PR_.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 1620 RFQ__PR_.exe
Token: SeDebugPrivilege 324 InstallUtil.exe

description	pid	process	target process
PID 1620 set thread context of 324	1620	RFQ__PR_.exe	InstallUtil.exe

pid	process
1620	RFQ__PR_.exe
324	InstallUtil.exe
324	InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	1620	RFQ__PR_.exe
Token: SeDebugPrivilege	324	InstallUtil.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

RFQ__PR_.exe

description	pid	process	target process
PID 1620 wrote to memory of 324	1620	RFQ__PR_.exe	InstallUtil.exe
PID 1620 wrote to memory of 324	1620	RFQ__PR_.exe	InstallUtil.exe
PID 1620 wrote to memory of 324	1620	RFQ__PR_.exe	InstallUtil.exe
PID 1620 wrote to memory of 324	1620	RFQ__PR_.exe	InstallUtil.exe
PID 1620 wrote to memory of 324	1620	RFQ__PR_.exe	InstallUtil.exe
PID 1620 wrote to memory of 324	1620	RFQ__PR_.exe	InstallUtil.exe
PID 1620 wrote to memory of 324	1620	RFQ__PR_.exe	InstallUtil.exe
PID 1620 wrote to memory of 324	1620	RFQ__PR_.exe	InstallUtil.exe
PID 1620 wrote to memory of 324	1620	RFQ__PR_.exe	InstallUtil.exe
PID 1620 wrote to memory of 324	1620	RFQ__PR_.exe	InstallUtil.exe
PID 1620 wrote to memory of 324	1620	RFQ__PR_.exe	InstallUtil.exe
PID 1620 wrote to memory of 324	1620	RFQ__PR_.exe	InstallUtil.exe

outlook_office_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\RFQ__PR_.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ__PR_.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1620

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:324

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
memory/324-63-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/324-61-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/324-62-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/324-64-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/324-65-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/324-68-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/324-70-0x00000000023B0000-0x0000000004490000-memory.dmp

Filesize
32.9MB

Download
memory/324-71-0x00000000023B0000-0x0000000004490000-memory.dmp

Filesize
32.9MB

Download
memory/1620-59-0x0000000000820000-0x000000000082C000-memory.dmp

Filesize
48KB

Download
memory/1620-58-0x0000000000510000-0x0000000000524000-memory.dmp

Filesize
80KB

Download
memory/1620-55-0x0000000000260000-0x0000000000354000-memory.dmp

Filesize
976KB

Download
memory/1620-57-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

Filesize
8KB

Download
memory/1620-56-0x00000000004D0000-0x0000000000510000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads