agenttesla | 7a5b8b448e7d4fa5edc94dcb66b1493adad87b62291be4ddcbd61fb4f25346a8

General

Target

Air waybill number 290132727 Physical weight 1 05 kg Seats 1.exe
Size

300.3MB
MD5

5868c50e2dc1435ef5c2c33ec04f70d1
SHA1

970a43bb83cde2b80f5ddfa5157b6e5f9e3449c1
SHA256

0963e88faac0d46f2bf382518aabb094fc9429d309e6eb7d18d4fa8c0f32d667
SHA512

76ca95d5b222d8c53ea9a938039168f71e328b3b108187ff1e7fe11c5686978cfadd7919e53ece493384bdf4e8fd5fd924585abbd786c38ae63b9734c526e3b7
SSDEEP

3072:s+LwLS2Vbqe+uZtuQ0UzDNwwh0wR2c2vGZ9pwPtV3vJPg1NXHII61gdZwgJRZ/2u:wEe+iXFBwhw0cvxwV3vaHIIiHFM

Score

10^/10

agenttesla purecrypter collection downloader keylogger loader spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.mgcpakistan.com
Port:
21
Username:
[email protected]
Password:
boygirl123456

Signatures

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

Detect PureCrypter injector 1 IoCs

loader

resource	yara_rule
behavioral1/memory/288-56-0x0000000006240000-0x00000000064B4000-memory.dmp	family_purecrypter

PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
loader downloader purecrypter
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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 288 set thread context of 776	288	Air waybill number 290132727 Physical weight 1 05 kg Seats 1.exe	28

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
1580	powershell.exe
776	RegAsm.exe
776	RegAsm.exe
776	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	288	Air waybill number 290132727 Physical weight 1 05 kg Seats 1.exe
Token: SeDebugPrivilege	1580	powershell.exe
Token: SeDebugPrivilege	776	RegAsm.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 288 wrote to memory of 1580	288	Air waybill number 290132727 Physical weight 1 05 kg Seats 1.exe	26
PID 288 wrote to memory of 1580	288	Air waybill number 290132727 Physical weight 1 05 kg Seats 1.exe	26
PID 288 wrote to memory of 1580	288	Air waybill number 290132727 Physical weight 1 05 kg Seats 1.exe	26
PID 288 wrote to memory of 1580	288	Air waybill number 290132727 Physical weight 1 05 kg Seats 1.exe	26
PID 288 wrote to memory of 776	288	Air waybill number 290132727 Physical weight 1 05 kg Seats 1.exe	28
PID 288 wrote to memory of 776	288	Air waybill number 290132727 Physical weight 1 05 kg Seats 1.exe	28
PID 288 wrote to memory of 776	288	Air waybill number 290132727 Physical weight 1 05 kg Seats 1.exe	28
PID 288 wrote to memory of 776	288	Air waybill number 290132727 Physical weight 1 05 kg Seats 1.exe	28
PID 288 wrote to memory of 776	288	Air waybill number 290132727 Physical weight 1 05 kg Seats 1.exe	28
PID 288 wrote to memory of 776	288	Air waybill number 290132727 Physical weight 1 05 kg Seats 1.exe	28
PID 288 wrote to memory of 776	288	Air waybill number 290132727 Physical weight 1 05 kg Seats 1.exe	28
PID 288 wrote to memory of 776	288	Air waybill number 290132727 Physical weight 1 05 kg Seats 1.exe	28
PID 288 wrote to memory of 776	288	Air waybill number 290132727 Physical weight 1 05 kg Seats 1.exe	28
PID 288 wrote to memory of 776	288	Air waybill number 290132727 Physical weight 1 05 kg Seats 1.exe	28
PID 288 wrote to memory of 776	288	Air waybill number 290132727 Physical weight 1 05 kg Seats 1.exe	28
PID 288 wrote to memory of 776	288	Air waybill number 290132727 Physical weight 1 05 kg Seats 1.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\Air waybill number 290132727 Physical weight 1 05 kg Seats 1.exe
"C:\Users\Admin\AppData\Local\Temp\Air waybill number 290132727 Physical weight 1 05 kg Seats 1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:288
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAANwAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1580
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:776

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/288-62-0x00000000050C0000-0x0000000005118000-memory.dmp

Filesize
352KB

Download
memory/288-55-0x0000000075351000-0x0000000075353000-memory.dmp

Filesize
8KB

Download
memory/288-56-0x0000000006240000-0x00000000064B4000-memory.dmp

Filesize
2.5MB

Download
memory/288-54-0x0000000000220000-0x000000000026C000-memory.dmp

Filesize
304KB

Download
memory/776-68-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/776-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/776-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/776-66-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/776-67-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/776-71-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/776-73-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1580-60-0x000000006F3D0000-0x000000006F97B000-memory.dmp

Filesize
5.7MB

Download
memory/1580-61-0x000000006F3D0000-0x000000006F97B000-memory.dmp

Filesize
5.7MB

Download
memory/1580-59-0x000000006F3D0000-0x000000006F97B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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