agenttesla | d18e2f4903806f4e84849179a1ff724877ea9953ef600ec51cfbd1fe6ed63f2a

General

Target

Quotation_2817.PDF....exe
Size

833KB
MD5

92f3335d62d0fd3237481ee357c5c4b0
SHA1

2b1dcc3d5076af52f78befbf332d56349d1a6b0f
SHA256

c9a1de280156ec597ed843bb47c13fcc149914f9e7740604a1d834a9d033beb7
SHA512

5d7ea8d48f3c99205ce781ddf3d59175ac10f47421c34885f6384b521622820a7a130223f661e860197b2f7f73008a2c670835776f2f09c888465cba58d5e33e

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.bosut.mk
Port:
587
Username:
[email protected]
Password:
0XsKEemhd6EE

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/4560-137-0x0000000000400000-0x0000000000464000-memory.dmp	family_agenttesla

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:

Quotation_2817.PDF....exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	Quotation_2817.PDF....exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Quotation_2817.PDF....exe

description pid process target process

PID 1808 set thread context of 4560 1808 Quotation_2817.PDF....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

3612 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

4560 RegSvcs.exe
4560 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 4560 RegSvcs.exe

description	pid	process	target process
PID 1808 set thread context of 4560	1808	Quotation_2817.PDF....exe	RegSvcs.exe

pid	process
3612	schtasks.exe

pid	process
4560	RegSvcs.exe
4560	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4560	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Quotation_2817.PDF....exe

description	pid	process	target process
PID 1808 wrote to memory of 3612	1808	Quotation_2817.PDF....exe	schtasks.exe
PID 1808 wrote to memory of 3612	1808	Quotation_2817.PDF....exe	schtasks.exe
PID 1808 wrote to memory of 3612	1808	Quotation_2817.PDF....exe	schtasks.exe
PID 1808 wrote to memory of 4560	1808	Quotation_2817.PDF....exe	RegSvcs.exe
PID 1808 wrote to memory of 4560	1808	Quotation_2817.PDF....exe	RegSvcs.exe
PID 1808 wrote to memory of 4560	1808	Quotation_2817.PDF....exe	RegSvcs.exe
PID 1808 wrote to memory of 4560	1808	Quotation_2817.PDF....exe	RegSvcs.exe
PID 1808 wrote to memory of 4560	1808	Quotation_2817.PDF....exe	RegSvcs.exe
PID 1808 wrote to memory of 4560	1808	Quotation_2817.PDF....exe	RegSvcs.exe
PID 1808 wrote to memory of 4560	1808	Quotation_2817.PDF....exe	RegSvcs.exe
PID 1808 wrote to memory of 4560	1808	Quotation_2817.PDF....exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\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-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Quotation_2817.PDF....exe
"C:\Users\Admin\AppData\Local\Temp\Quotation_2817.PDF....exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1808
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bvEQvLDvFAJqv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp560A.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3612
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4560

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp560A.tmp

Filesize
1KB

MD5
997efdc71148917cfe298592e542da0b

SHA1
5839e59fa2e125ebb39189e72da29998bf2121f3

SHA256
9d6d41c11316ceaceb91337e0ce96464a9367d9132b95eda072138dc88dbcc1b

SHA512
7065cff79a281f56892218af527b9fa04effe582ecc62df125a1f3d24c91a6ba781f4013053c7c164da52aab6a7fa63676784277a8bde96b5db8dc995542c4dc

Download Submit
memory/1808-130-0x0000000000660000-0x0000000000736000-memory.dmp

Filesize
856KB

Download
memory/1808-131-0x00000000075A0000-0x0000000007632000-memory.dmp

Filesize
584KB

Download
memory/1808-132-0x0000000007BF0000-0x0000000007C8C000-memory.dmp

Filesize
624KB

Download
memory/1808-133-0x0000000008240000-0x00000000087E4000-memory.dmp

Filesize
5.6MB

Download
memory/3612-134-0x0000000000000000-mapping.dmp

Download
memory/4560-136-0x0000000000000000-mapping.dmp

Download
memory/4560-137-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4560-138-0x0000000005FE0000-0x0000000006046000-memory.dmp

Filesize
408KB

Download
memory/4560-139-0x0000000000FA0000-0x0000000000FF0000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads