agenttesla | 42131014120f6538128d4ca52b1eae8e23a543a5a7c56a42602f8e19fccdafa9

General

Target

Invoice of 53 Flights.exe
Size

743KB
MD5

b3ef016f54f183fd2af6388d72ff2f91
SHA1

7e48d5902eeb0ba793f15a8091111795d92d71b4
SHA256

42131014120f6538128d4ca52b1eae8e23a543a5a7c56a42602f8e19fccdafa9
SHA512

d0bdb5aa85021bd89e25a73f3cd9d7215252f7fa04a652a722a5a0a7e6a2f1e8c23dc59a144a7d5105ee98a447ed8871a913b4ee4a7c855032f0aadceae6267f
SSDEEP

12288:HZn3L0T55u+pRvKpe17N6J/c/+LyH5ugcGg:2RypM4Jk/+Oa

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
sh003.webhostbox.net
Port:
587
Username:
[email protected]
Password:
bl e ss ing 2 0 2 3
Email To:
[email protected]

Signatures

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4102714285-680558483-2379744688-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-4102714285-680558483-2379744688-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-4102714285-680558483-2379744688-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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
5	api.ipify.org
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1432 set thread context of 560	1432	Invoice of 53 Flights.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
560	RegSvcs.exe
560	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	560	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1432 wrote to memory of 560	1432	Invoice of 53 Flights.exe	28
PID 1432 wrote to memory of 560	1432	Invoice of 53 Flights.exe	28
PID 1432 wrote to memory of 560	1432	Invoice of 53 Flights.exe	28
PID 1432 wrote to memory of 560	1432	Invoice of 53 Flights.exe	28
PID 1432 wrote to memory of 560	1432	Invoice of 53 Flights.exe	28
PID 1432 wrote to memory of 560	1432	Invoice of 53 Flights.exe	28
PID 1432 wrote to memory of 560	1432	Invoice of 53 Flights.exe	28
PID 1432 wrote to memory of 560	1432	Invoice of 53 Flights.exe	28
PID 1432 wrote to memory of 560	1432	Invoice of 53 Flights.exe	28
PID 1432 wrote to memory of 560	1432	Invoice of 53 Flights.exe	28
PID 1432 wrote to memory of 560	1432	Invoice of 53 Flights.exe	28
PID 1432 wrote to memory of 560	1432	Invoice of 53 Flights.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4102714285-680558483-2379744688-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4102714285-680558483-2379744688-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Invoice of 53 Flights.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice of 53 Flights.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1432
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:560

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab6635.tmp

Filesize
62KB

MD5
3ac860860707baaf32469fa7cc7c0192

SHA1
c33c2acdaba0e6fa41fd2f00f186804722477639

SHA256
d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

SHA512
d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

Download Submit
memory/560-67-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/560-65-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/560-87-0x0000000005050000-0x0000000005090000-memory.dmp

Filesize
256KB

Download
memory/560-70-0x0000000005050000-0x0000000005090000-memory.dmp

Filesize
256KB

Download
memory/560-69-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/560-60-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/560-61-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/560-64-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/560-63-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/560-62-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1432-56-0x0000000004D00000-0x0000000004D40000-memory.dmp

Filesize
256KB

Download
memory/1432-54-0x0000000000A30000-0x0000000000AF0000-memory.dmp

Filesize
768KB

Download
memory/1432-59-0x0000000000680000-0x00000000006B0000-memory.dmp

Filesize
192KB

Download
memory/1432-58-0x0000000005200000-0x000000000527C000-memory.dmp

Filesize
496KB

Download
memory/1432-55-0x0000000004D00000-0x0000000004D40000-memory.dmp

Filesize
256KB

Download
memory/1432-57-0x00000000003D0000-0x00000000003E4000-memory.dmp

Filesize
80KB

Download

Analysis

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