agenttesla | 6b38e25c6e111c4f041b048ff8a74c22a60f81d05ce6b5de283de5042c87aed0

General

Target

Request For Quote.exe
Size

656KB
MD5

d9bd911bcf5a9b6b29d10e805b8bb877
SHA1

4812b2b03777351c93887a24087a36761ad1608e
SHA256

96a3201fa6c5771d32d5ca7d7caee1cf66dfc635b5b2466d1eb5c4f105b6446a
SHA512

c2c86ed6bff1eebd1f4c71c9860ea96c9a75ae8f38350b990f4ccf4530b55fbeb97b6172115493c3881f587cde4533242618e708f21886888b7fdbe5f0048109

Score

10^/10

agenttesla collection evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.prcpl.com
Port:
587
Username:
[email protected]
Password:
jyotika@2015

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
UAC bypass 3 TTPs
evasion trojan

Bypass User Account Control
T1088

Disabling Security Tools
T1089

Modify Registry
T1112

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2420-137-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

RegSvcs.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RegSvcs.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Request For Quote.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	Request For Quote.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.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	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CJzRAE = "C:\\Users\\Admin\\AppData\\Roaming\\CJzRAE\\CJzRAE.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Request For Quote.exe

description pid process target process

PID 3428 set thread context of 2420 3428 Request For Quote.exe RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

2616 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Request For Quote.exeRegSvcs.exe

pid process

3428 Request For Quote.exe
2420 RegSvcs.exe
2420 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Request For Quote.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 3428 Request For Quote.exe
Token: SeDebugPrivilege 2420 RegSvcs.exe

description	pid	process	target process
PID 3428 set thread context of 2420	3428	Request For Quote.exe	RegSvcs.exe

pid	process
2616	schtasks.exe

pid	process
3428	Request For Quote.exe
2420	RegSvcs.exe
2420	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3428	Request For Quote.exe
Token: SeDebugPrivilege	2420	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Request For Quote.exe

description	pid	process	target process
PID 3428 wrote to memory of 2616	3428	Request For Quote.exe	schtasks.exe
PID 3428 wrote to memory of 2616	3428	Request For Quote.exe	schtasks.exe
PID 3428 wrote to memory of 2616	3428	Request For Quote.exe	schtasks.exe
PID 3428 wrote to memory of 2420	3428	Request For Quote.exe	RegSvcs.exe
PID 3428 wrote to memory of 2420	3428	Request For Quote.exe	RegSvcs.exe
PID 3428 wrote to memory of 2420	3428	Request For Quote.exe	RegSvcs.exe
PID 3428 wrote to memory of 2420	3428	Request For Quote.exe	RegSvcs.exe
PID 3428 wrote to memory of 2420	3428	Request For Quote.exe	RegSvcs.exe
PID 3428 wrote to memory of 2420	3428	Request For Quote.exe	RegSvcs.exe
PID 3428 wrote to memory of 2420	3428	Request For Quote.exe	RegSvcs.exe
PID 3428 wrote to memory of 2420	3428	Request For Quote.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.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	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.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	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Request For Quote.exe
"C:\Users\Admin\AppData\Local\Temp\Request For Quote.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3428

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hBmwgKvPSVy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7C44.tmp"
2⤵
- Creates scheduled task(s)
PID:2616

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2420

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Bypass User Account Control

1

T1088

Scheduled Task

1

T1053

Defense Evasion

Bypass User Account Control

1

T1088

Disabling Security Tools

1

T1089

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp7C44.tmp
Filesize
1KB

MD5
378ac7309d90bb85086df7c55bc3356f

SHA1
34de169e851676b410d1e067917a0c7f9676c0d3

SHA256
1107badc097814d2e78423897b47bc33c7c261b0551365212091fa4568f81d5e

SHA512
1af8b9c1cf07a5dc555b125c6504fafa7b682c3f3a66467085e5a409d8726b25b1340291e22d5c9655076044537f2fd12b0ce29ac0c3a64421b7d8870fd6b9bb

Download Submit
memory/2420-136-0x0000000000000000-mapping.dmp

Download
memory/2420-137-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2420-138-0x0000000006650000-0x00000000066B6000-memory.dmp

Filesize
408KB

Download
memory/2420-139-0x0000000006DB0000-0x0000000006E00000-memory.dmp

Filesize
320KB

Download
memory/2420-140-0x0000000006E40000-0x0000000006E4A000-memory.dmp

Filesize
40KB

Download
memory/2616-134-0x0000000000000000-mapping.dmp

Download
memory/3428-130-0x0000000000DE0000-0x0000000000E8A000-memory.dmp

Filesize
680KB

Download
memory/3428-131-0x00000000057E0000-0x000000000587C000-memory.dmp

Filesize
624KB

Download
memory/3428-132-0x00000000059C0000-0x0000000005A52000-memory.dmp

Filesize
584KB

Download
memory/3428-133-0x0000000006600000-0x0000000006BA4000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads