agenttesla | b7394e25936c4fd44716fcdcce914a35c0cdb0980e4527035681df4f800520e7

General

Target

payment copy.pdf.exe
Size

738KB
MD5

27d631027838d94262fe33e8b76b0543
SHA1

3fd40787525906c92cf9d485299e4d06b6043407
SHA256

b7394e25936c4fd44716fcdcce914a35c0cdb0980e4527035681df4f800520e7
SHA512

07b34c65df7e9f80cbe84c11c290cd64dca7ee2394ec47c9ef39dad3640ffc47e73895c769b2160d912013d79250379dde2fc363dc2cfcc64374539f08573c5a
SSDEEP

12288:awlxmomPZefGPtqvyuzj8DNaHHAq17pKbZaws+iKvaSUih4qxs4jnTS+Co3ry/J:GomxiGQFviaub0wnieNfm46+RuJ

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.reousaomilia.gr
Port:
587
Username:
[email protected]
Password:
nora2020!
Email To:
[email protected]

Signatures

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

payment copy.pdf.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	payment copy.pdf.exe

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:

payment copy.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	payment copy.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	payment copy.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	payment copy.pdf.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

49 api.ipify.org
50 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

payment copy.pdf.exe

description pid process target process

PID 868 set thread context of 2424 868 payment copy.pdf.exe payment copy.pdf.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

2576 schtasks.exe

flow	ioc
49	api.ipify.org
50	api.ipify.org

description	pid	process	target process
PID 868 set thread context of 2424	868	payment copy.pdf.exe	payment copy.pdf.exe

pid	process
2576	schtasks.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

Processes:

payment copy.pdf.exepayment copy.pdf.exepowershell.exe

pid	process
868	payment copy.pdf.exe
868	payment copy.pdf.exe
868	payment copy.pdf.exe
868	payment copy.pdf.exe
868	payment copy.pdf.exe
868	payment copy.pdf.exe
868	payment copy.pdf.exe
868	payment copy.pdf.exe
2424	payment copy.pdf.exe
2424	payment copy.pdf.exe
3080	powershell.exe
3080	powershell.exe
2424	payment copy.pdf.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

payment copy.pdf.exepayment copy.pdf.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	868	payment copy.pdf.exe
Token: SeDebugPrivilege	2424	payment copy.pdf.exe
Token: SeDebugPrivilege	3080	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

payment copy.pdf.exe

pid process

2424 payment copy.pdf.exe

pid	process
2424	payment copy.pdf.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

payment copy.pdf.exe

description	pid	process	target process
PID 868 wrote to memory of 3080	868	payment copy.pdf.exe	powershell.exe
PID 868 wrote to memory of 3080	868	payment copy.pdf.exe	powershell.exe
PID 868 wrote to memory of 3080	868	payment copy.pdf.exe	powershell.exe
PID 868 wrote to memory of 2576	868	payment copy.pdf.exe	schtasks.exe
PID 868 wrote to memory of 2576	868	payment copy.pdf.exe	schtasks.exe
PID 868 wrote to memory of 2576	868	payment copy.pdf.exe	schtasks.exe
PID 868 wrote to memory of 2424	868	payment copy.pdf.exe	payment copy.pdf.exe
PID 868 wrote to memory of 2424	868	payment copy.pdf.exe	payment copy.pdf.exe
PID 868 wrote to memory of 2424	868	payment copy.pdf.exe	payment copy.pdf.exe
PID 868 wrote to memory of 2424	868	payment copy.pdf.exe	payment copy.pdf.exe
PID 868 wrote to memory of 2424	868	payment copy.pdf.exe	payment copy.pdf.exe
PID 868 wrote to memory of 2424	868	payment copy.pdf.exe	payment copy.pdf.exe
PID 868 wrote to memory of 2424	868	payment copy.pdf.exe	payment copy.pdf.exe
PID 868 wrote to memory of 2424	868	payment copy.pdf.exe	payment copy.pdf.exe

outlook_office_path 1 IoCs

Processes:

payment copy.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	payment copy.pdf.exe

outlook_win_path 1 IoCs

Processes:

payment copy.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	payment copy.pdf.exe

C:\Users\Admin\AppData\Local\Temp\payment copy.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\payment copy.pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:868

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xlZIAWSuNdLq.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3080

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xlZIAWSuNdLq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBE7D.tmp"
2⤵
- Creates scheduled task(s)
PID:2576

C:\Users\Admin\AppData\Local\Temp\payment copy.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\payment copy.pdf.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2424

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

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\tmpBE7D.tmp
Filesize
1KB

MD5
d1e7aefe24110e1951e11225f38321a3

SHA1
57f8513cba3a9a337bfa112dd8c0e93b85f190f3

SHA256
2957f99a035acf078977169ce215d62e4e48c20898be2b4875677204d8b5cc63

SHA512
12e17f87a2171cb8de8267f65cb5f8ead6a3b7f065b580985b367179458c7d039923ab2f7fc398aceff5c3c255bb9038b7b0df8e711737cafee6fe2653c2e3a3

Download Submit
memory/868-133-0x0000000005740000-0x0000000005CE4000-memory.dmp

Filesize
5.6MB

Download
memory/868-134-0x00000000050B0000-0x0000000005142000-memory.dmp

Filesize
584KB

Download
memory/868-135-0x0000000005170000-0x000000000517A000-memory.dmp

Filesize
40KB

Download
memory/868-136-0x000000000AF80000-0x000000000B01C000-memory.dmp

Filesize
624KB

Download
memory/868-132-0x0000000000680000-0x000000000073E000-memory.dmp

Filesize
760KB

Download
memory/2424-142-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2424-151-0x0000000006880000-0x00000000068D0000-memory.dmp

Filesize
320KB

Download
memory/2424-141-0x0000000000000000-mapping.dmp

Download
memory/2576-138-0x0000000000000000-mapping.dmp

Download
memory/3080-144-0x0000000005460000-0x0000000005482000-memory.dmp

Filesize
136KB

Download
memory/3080-149-0x00000000702A0000-0x00000000702EC000-memory.dmp

Filesize
304KB

Download
memory/3080-140-0x0000000002DD0000-0x0000000002E06000-memory.dmp

Filesize
216KB

Download
memory/3080-145-0x0000000005680000-0x00000000056E6000-memory.dmp

Filesize
408KB

Download
memory/3080-146-0x0000000005760000-0x00000000057C6000-memory.dmp

Filesize
408KB

Download
memory/3080-147-0x00000000065B0000-0x00000000065CE000-memory.dmp

Filesize
120KB

Download
memory/3080-148-0x0000000006D10000-0x0000000006D42000-memory.dmp

Filesize
200KB

Download
memory/3080-143-0x0000000005830000-0x0000000005E58000-memory.dmp

Filesize
6.2MB

Download
memory/3080-150-0x0000000006CF0000-0x0000000006D0E000-memory.dmp

Filesize
120KB

Download
memory/3080-137-0x0000000000000000-mapping.dmp

Download
memory/3080-152-0x0000000008080000-0x00000000086FA000-memory.dmp

Filesize
6.5MB

Download
memory/3080-153-0x0000000001120000-0x000000000113A000-memory.dmp

Filesize
104KB

Download
memory/3080-154-0x0000000006B80000-0x0000000006B8A000-memory.dmp

Filesize
40KB

Download
memory/3080-155-0x0000000007C60000-0x0000000007CF6000-memory.dmp

Filesize
600KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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