agenttesla | 4211c5b7b23a49af6dbef099e50c2bd32c7027fe437cbf94e4ed13a5889bff5d

General

Target

RFQ_20_2.scr
Size

481KB
MD5

ae7eec82b44c6c1619a156d367f97474
SHA1

0315445529f60a5c77136a33c484306f69dde485
SHA256

1144219246f22a35049d3c74f60e7e09e1b8a65f24b14b7985fcad58bc9e6cfd
SHA512

8e540150fe0bc3c85c84a8953e6797c314dd0595a3c305929268b64af4155ee4575487509fb2b0ad1f4d6b4c4111f795051ff0e43612db1abed9e34db98559fb

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.privateemail.com
Port:
587
Username:
[email protected]
Password:
sparedone

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
behavioral1/memory/1684-58-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RFQ_20_2.scr

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\mNQLE = "C:\\TVHJCWMH\\mNQLEm\\mNQLEmjsz.vbs"	RFQ_20_2.scr

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

RFQ_20_2.scr

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	RFQ_20_2.scr
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	RFQ_20_2.scr

Suspicious use of SetThreadContext 1 IoCs

Processes:

RFQ_20_2.scr

description pid process target process

PID 1464 set thread context of 1684 1464 RFQ_20_2.scr InstallUtil.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

InstallUtil.exe

pid process

1684 InstallUtil.exe
1684 InstallUtil.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

RFQ_20_2.scr

pid process

1464 RFQ_20_2.scr
1464 RFQ_20_2.scr
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

InstallUtil.exe

description pid process

Token: SeDebugPrivilege 1684 InstallUtil.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

InstallUtil.exe

pid process

1684 InstallUtil.exe

description	pid	process	target process
PID 1464 set thread context of 1684	1464	RFQ_20_2.scr	InstallUtil.exe

pid	process
1684	InstallUtil.exe
1684	InstallUtil.exe

pid	process
1464	RFQ_20_2.scr
1464	RFQ_20_2.scr

description	pid	process
Token: SeDebugPrivilege	1684	InstallUtil.exe

pid	process
1684	InstallUtil.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

RFQ_20_2.scr

description	pid	process	target process
PID 1464 wrote to memory of 856	1464	RFQ_20_2.scr	InstallUtil.exe
PID 1464 wrote to memory of 856	1464	RFQ_20_2.scr	InstallUtil.exe
PID 1464 wrote to memory of 856	1464	RFQ_20_2.scr	InstallUtil.exe
PID 1464 wrote to memory of 856	1464	RFQ_20_2.scr	InstallUtil.exe
PID 1464 wrote to memory of 856	1464	RFQ_20_2.scr	InstallUtil.exe
PID 1464 wrote to memory of 856	1464	RFQ_20_2.scr	InstallUtil.exe
PID 1464 wrote to memory of 856	1464	RFQ_20_2.scr	InstallUtil.exe
PID 1464 wrote to memory of 1684	1464	RFQ_20_2.scr	InstallUtil.exe
PID 1464 wrote to memory of 1684	1464	RFQ_20_2.scr	InstallUtil.exe
PID 1464 wrote to memory of 1684	1464	RFQ_20_2.scr	InstallUtil.exe
PID 1464 wrote to memory of 1684	1464	RFQ_20_2.scr	InstallUtil.exe
PID 1464 wrote to memory of 1684	1464	RFQ_20_2.scr	InstallUtil.exe
PID 1464 wrote to memory of 1684	1464	RFQ_20_2.scr	InstallUtil.exe
PID 1464 wrote to memory of 1684	1464	RFQ_20_2.scr	InstallUtil.exe
PID 1464 wrote to memory of 1684	1464	RFQ_20_2.scr	InstallUtil.exe

outlook_office_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\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-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\RFQ_20_2.scr
"C:\Users\Admin\AppData\Local\Temp\RFQ_20_2.scr" /S
1⤵
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1464

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
"C:\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\InstallUtil.exe"
2⤵
PID:856

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
"C:\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\InstallUtil.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1684

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

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/1464-54-0x00000000000F0000-0x000000000016E000-memory.dmp

Filesize
504KB

Download
memory/1464-55-0x0000000000660000-0x00000000006D2000-memory.dmp

Filesize
456KB

Download
memory/1464-56-0x0000000001EB0000-0x0000000001F08000-memory.dmp

Filesize
352KB

Download
memory/1464-59-0x0000000000450000-0x0000000000453000-memory.dmp

Filesize
12KB

Download
memory/1684-57-0x000000000044BBCE-mapping.dmp

Download
memory/1684-58-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1684-60-0x0000000075381000-0x0000000075383000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads