agenttesla | 0543d3e6b17798c68a8f2442b5d2bc1a2407dbdabd0c82ba7c8ddcde3488f662

General

Target

updated SOA.pdf.exe
Size

705KB
MD5

72b566a19405295457438c5373f2e91c
SHA1

bc3ea0e5fb136dfc33d7442fd191439501b55303
SHA256

0543d3e6b17798c68a8f2442b5d2bc1a2407dbdabd0c82ba7c8ddcde3488f662
SHA512

9e241b12f6d2b08450966ec9162e0a241d71469a2527d2dcc65e04b47c5772f3136dbb2a1482413bddd0a022f9155e5cef7a1c48aa8fb4d7a620c5f5d23a8c87
SSDEEP

12288:nzveLTgNGSD7QK8oX97/kBPB/SyXEROFIA/DLRPbnf7+mWc1:ze/MMZU9Tu5qydFN9Tf7+Jc

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1644755040:AAGRTnph6BdO8-t1bJaOyVu9aeuJErmisqs/

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:

updated SOA.pdf.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	updated SOA.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:

updated SOA.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	updated SOA.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	updated SOA.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	updated SOA.pdf.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

updated SOA.pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yGbzOMp = "C:\\Users\\Admin\\AppData\\Roaming\\yGbzOMp\\yGbzOMp.exe"	updated SOA.pdf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

updated SOA.pdf.exe

description pid process target process

PID 1396 set thread context of 1736 1396 updated SOA.pdf.exe updated SOA.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

3464 schtasks.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

updated SOA.pdf.exe

pid process

1396 updated SOA.pdf.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

updated SOA.pdf.exeupdated SOA.pdf.exe

description pid process

Token: SeDebugPrivilege 1396 updated SOA.pdf.exe
Token: SeDebugPrivilege 1736 updated SOA.pdf.exe

description	pid	process	target process
PID 1396 set thread context of 1736	1396	updated SOA.pdf.exe	updated SOA.pdf.exe

pid	process
3464	schtasks.exe

pid	process
1396	updated SOA.pdf.exe

description	pid	process
Token: SeDebugPrivilege	1396	updated SOA.pdf.exe
Token: SeDebugPrivilege	1736	updated SOA.pdf.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

updated SOA.pdf.exe

description	pid	process	target process
PID 1396 wrote to memory of 3464	1396	updated SOA.pdf.exe	schtasks.exe
PID 1396 wrote to memory of 3464	1396	updated SOA.pdf.exe	schtasks.exe
PID 1396 wrote to memory of 3464	1396	updated SOA.pdf.exe	schtasks.exe
PID 1396 wrote to memory of 1736	1396	updated SOA.pdf.exe	updated SOA.pdf.exe
PID 1396 wrote to memory of 1736	1396	updated SOA.pdf.exe	updated SOA.pdf.exe
PID 1396 wrote to memory of 1736	1396	updated SOA.pdf.exe	updated SOA.pdf.exe
PID 1396 wrote to memory of 1736	1396	updated SOA.pdf.exe	updated SOA.pdf.exe
PID 1396 wrote to memory of 1736	1396	updated SOA.pdf.exe	updated SOA.pdf.exe
PID 1396 wrote to memory of 1736	1396	updated SOA.pdf.exe	updated SOA.pdf.exe
PID 1396 wrote to memory of 1736	1396	updated SOA.pdf.exe	updated SOA.pdf.exe
PID 1396 wrote to memory of 1736	1396	updated SOA.pdf.exe	updated SOA.pdf.exe

outlook_office_path 1 IoCs

Processes:

updated SOA.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	updated SOA.pdf.exe

outlook_win_path 1 IoCs

Processes:

updated SOA.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	updated SOA.pdf.exe

C:\Users\Admin\AppData\Local\Temp\updated SOA.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\updated SOA.pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1396

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ykcziJshCF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1E84.tmp"
2⤵
- Creates scheduled task(s)
PID:3464

C:\Users\Admin\AppData\Local\Temp\updated SOA.pdf.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1736

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

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

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\Microsoft\CLR_v4.0_32\UsageLogs\updated SOA.pdf.exe.log
Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1E84.tmp
Filesize
1KB

MD5
60ecc1195f9ede073a57a91d28f70137

SHA1
a5e4570c3c813d0b784f36ab86066c381ecb2c69

SHA256
6d54d613838351f8600d7207a7890f37a0025b83e85431a3a58d894b12cf95d9

SHA512
b0224d224a4dbd5800156eff9041110b5ed5439ee0293834721eff44b47180918df236c0d4b492cf48628a0c9d218aee6ece1076ce678b2e73b43da75638ad25

Download Submit
memory/1396-137-0x00000000054C0000-0x00000000054CA000-memory.dmp

Filesize
40KB

Download
memory/1396-134-0x00000000054E0000-0x000000000557C000-memory.dmp

Filesize
624KB

Download
memory/1396-133-0x0000000000A60000-0x0000000000B16000-memory.dmp

Filesize
728KB

Download
memory/1396-138-0x00000000056C0000-0x0000000005716000-memory.dmp

Filesize
344KB

Download
memory/1396-139-0x0000000005790000-0x00000000057A0000-memory.dmp

Filesize
64KB

Download
memory/1396-140-0x0000000005790000-0x00000000057A0000-memory.dmp

Filesize
64KB

Download
memory/1396-135-0x0000000005B30000-0x00000000060D4000-memory.dmp

Filesize
5.6MB

Download
memory/1396-136-0x0000000005620000-0x00000000056B2000-memory.dmp

Filesize
584KB

Download
memory/1736-144-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1736-147-0x0000000005880000-0x00000000058E6000-memory.dmp

Filesize
408KB

Download
memory/1736-148-0x0000000005BA0000-0x0000000005BB0000-memory.dmp

Filesize
64KB

Download
memory/1736-150-0x0000000006B30000-0x0000000006B80000-memory.dmp

Filesize
320KB

Download
memory/1736-151-0x0000000006E50000-0x0000000007012000-memory.dmp

Filesize
1.8MB

Download
memory/1736-152-0x0000000005BA0000-0x0000000005BB0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads