agenttesla | 900d92079c889090445b172adbb843546731d69d22c39c75a41f8e195e0721f5

General

Target

TransportLabel_765430065_pdf.exe
Size

551KB
MD5

8bbf8a6178450bbe3be5d369c16e1f52
SHA1

f36b19e8aac574d40d2a9af847252ebc0553c6ac
SHA256

900d92079c889090445b172adbb843546731d69d22c39c75a41f8e195e0721f5
SHA512

58efc817ce6242e3960252de1e8b58db608377174787431b287c80ce67f5080ee5e8d668681b60432c4c6f8655134e28676bbd8cb9f2fe7fe75a74502b448187
SSDEEP

12288:H987/V7SS+Qv47OnSKEclCw8DC2pa1L9aZBv5EBc:w/kl7OSKEclCLi1gZBvaa

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.rediffrnail.com
Port:
587
Username:
[email protected]
Password:
%wWJeDZ6
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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation	TransportLabel_765430065_pdf.exe

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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TransportLabel_765430065_pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TransportLabel_765430065_pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TransportLabel_765430065_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.

flow	ioc
22	api.ipify.org
23	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4400 set thread context of 2148	4400	TransportLabel_765430065_pdf.exe	95

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4400	TransportLabel_765430065_pdf.exe
4400	TransportLabel_765430065_pdf.exe
1424	powershell.exe
1424	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4400	TransportLabel_765430065_pdf.exe
Token: SeDebugPrivilege	2148	TransportLabel_765430065_pdf.exe
Token: SeDebugPrivilege	1424	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4400 wrote to memory of 1424	4400	TransportLabel_765430065_pdf.exe	92
PID 4400 wrote to memory of 1424	4400	TransportLabel_765430065_pdf.exe	92
PID 4400 wrote to memory of 1424	4400	TransportLabel_765430065_pdf.exe	92
PID 4400 wrote to memory of 2160	4400	TransportLabel_765430065_pdf.exe	94
PID 4400 wrote to memory of 2160	4400	TransportLabel_765430065_pdf.exe	94
PID 4400 wrote to memory of 2160	4400	TransportLabel_765430065_pdf.exe	94
PID 4400 wrote to memory of 2148	4400	TransportLabel_765430065_pdf.exe	95
PID 4400 wrote to memory of 2148	4400	TransportLabel_765430065_pdf.exe	95
PID 4400 wrote to memory of 2148	4400	TransportLabel_765430065_pdf.exe	95
PID 4400 wrote to memory of 2148	4400	TransportLabel_765430065_pdf.exe	95
PID 4400 wrote to memory of 2148	4400	TransportLabel_765430065_pdf.exe	95
PID 4400 wrote to memory of 2148	4400	TransportLabel_765430065_pdf.exe	95
PID 4400 wrote to memory of 2148	4400	TransportLabel_765430065_pdf.exe	95
PID 4400 wrote to memory of 2148	4400	TransportLabel_765430065_pdf.exe	95

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TransportLabel_765430065_pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TransportLabel_765430065_pdf.exe

C:\Users\Admin\AppData\Local\Temp\TransportLabel_765430065_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\TransportLabel_765430065_pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4400
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\TransportLabel_765430065_pdf.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1424
- C:\Users\Admin\AppData\Local\Temp\TransportLabel_765430065_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\TransportLabel_765430065_pdf.exe"
  2⤵
  PID:2160
- C:\Users\Admin\AppData\Local\Temp\TransportLabel_765430065_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\TransportLabel_765430065_pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2148

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\TransportLabel_765430065_pdf.exe.log

Filesize
1KB

MD5
33d62ef2c354f839a8b2b987e6ee41e7

SHA1
d76f64ac411a61f3f232f7f9f7b179bd34042226

SHA256
f6a84062cb11ccf802324692c2c4c48543377cf717d98efd5de695ed6d0a97d9

SHA512
d68a426b2f4646bb45e2267d60680166a8effb9a461e5a07756ba13a3bdf36b27e6e9777d945d03a62362e6976e92214c53ffc7c4f03ec28d3fcfc9a442c5e3c

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3sk2c4qh.l05.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1424-175-0x0000000007FC0000-0x000000000863A000-memory.dmp

Filesize
6.5MB

Download
memory/1424-145-0x0000000005970000-0x0000000005F98000-memory.dmp

Filesize
6.2MB

Download
memory/1424-182-0x0000000007CA0000-0x0000000007CA8000-memory.dmp

Filesize
32KB

Download
memory/1424-181-0x0000000007CC0000-0x0000000007CDA000-memory.dmp

Filesize
104KB

Download
memory/1424-180-0x0000000007BB0000-0x0000000007BBE000-memory.dmp

Filesize
56KB

Download
memory/1424-179-0x0000000007C00000-0x0000000007C96000-memory.dmp

Filesize
600KB

Download
memory/1424-177-0x00000000079F0000-0x00000000079FA000-memory.dmp

Filesize
40KB

Download
memory/1424-143-0x0000000002D60000-0x0000000002D96000-memory.dmp

Filesize
216KB

Download
memory/1424-176-0x0000000007980000-0x000000000799A000-memory.dmp

Filesize
104KB

Download
memory/1424-163-0x0000000070630000-0x000000007067C000-memory.dmp

Filesize
304KB

Download
memory/1424-146-0x00000000057B0000-0x00000000057D2000-memory.dmp

Filesize
136KB

Download
memory/1424-174-0x000000007F720000-0x000000007F730000-memory.dmp

Filesize
64KB

Download
memory/1424-152-0x0000000005FA0000-0x0000000006006000-memory.dmp

Filesize
408KB

Download
memory/1424-157-0x0000000005230000-0x0000000005240000-memory.dmp

Filesize
64KB

Download
memory/1424-173-0x0000000006C10000-0x0000000006C2E000-memory.dmp

Filesize
120KB

Download
memory/1424-160-0x0000000006670000-0x000000000668E000-memory.dmp

Filesize
120KB

Download
memory/1424-162-0x0000000007830000-0x0000000007862000-memory.dmp

Filesize
200KB

Download
memory/1424-161-0x0000000005230000-0x0000000005240000-memory.dmp

Filesize
64KB

Download
memory/1424-159-0x0000000005230000-0x0000000005240000-memory.dmp

Filesize
64KB

Download
memory/2148-144-0x00000000053A0000-0x0000000005406000-memory.dmp

Filesize
408KB

Download
memory/2148-158-0x0000000005390000-0x00000000053A0000-memory.dmp

Filesize
64KB

Download
memory/2148-178-0x0000000006FB0000-0x0000000007000000-memory.dmp

Filesize
320KB

Download
memory/2148-140-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2148-185-0x0000000005390000-0x00000000053A0000-memory.dmp

Filesize
64KB

Download
memory/4400-136-0x0000000004F70000-0x0000000004F80000-memory.dmp

Filesize
64KB

Download
memory/4400-134-0x00000000052F0000-0x0000000005894000-memory.dmp

Filesize
5.6MB

Download
memory/4400-133-0x0000000000370000-0x0000000000400000-memory.dmp

Filesize
576KB

Download
memory/4400-135-0x0000000004DE0000-0x0000000004E72000-memory.dmp

Filesize
584KB

Download
memory/4400-139-0x00000000066F0000-0x000000000678C000-memory.dmp

Filesize
624KB

Download
memory/4400-138-0x0000000004F70000-0x0000000004F80000-memory.dmp

Filesize
64KB

Download
memory/4400-137-0x0000000004DD0000-0x0000000004DDA000-memory.dmp

Filesize
40KB

Download

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