agenttesla | cef638c80808c085c6ad3382a2c0d1f664a0cba324a178fa2acdd572a193eac5

General

Target

HTMLexe_JC.exe
Size

581KB
MD5

0c86e968796f80b0e5c091b3270ce88b
SHA1

4b8cac21c67d776a6f1e834191b6091236248e73
SHA256

cef638c80808c085c6ad3382a2c0d1f664a0cba324a178fa2acdd572a193eac5
SHA512

fe13ad7fd9ffec5fead6a5e4b75208f9ed2bf9edf70efbc324d34711f1b60e9feabd34a3f74f00a9b6b4f160e524eff9f4f3e795f9ab5b867d908216ee3e31d4
SSDEEP

12288:8awpemS7q1GV1ysvF5kJEqD1DqbQpkMwuINF9ypvrab3ZTsGD/si:8awpemS7qM6sd6JdpPpHvlabJTe

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
bengalleather.com
Port:
587
Username:
[email protected]
Password:
kz@m@n04
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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
T1552.001
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
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HTMLexe_JC.exe
Key opened	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HTMLexe_JC.exe
Key opened	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HTMLexe_JC.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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2316 set thread context of 2600	2316	HTMLexe_JC.exe	31

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

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/Job

T1053

pid	Process
2548	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2600	HTMLexe_JC.exe
2600	HTMLexe_JC.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2600	HTMLexe_JC.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 2548	2316	HTMLexe_JC.exe	29
PID 2316 wrote to memory of 2548	2316	HTMLexe_JC.exe	29
PID 2316 wrote to memory of 2548	2316	HTMLexe_JC.exe	29
PID 2316 wrote to memory of 2548	2316	HTMLexe_JC.exe	29
PID 2316 wrote to memory of 2600	2316	HTMLexe_JC.exe	31
PID 2316 wrote to memory of 2600	2316	HTMLexe_JC.exe	31
PID 2316 wrote to memory of 2600	2316	HTMLexe_JC.exe	31
PID 2316 wrote to memory of 2600	2316	HTMLexe_JC.exe	31
PID 2316 wrote to memory of 2600	2316	HTMLexe_JC.exe	31
PID 2316 wrote to memory of 2600	2316	HTMLexe_JC.exe	31
PID 2316 wrote to memory of 2600	2316	HTMLexe_JC.exe	31
PID 2316 wrote to memory of 2600	2316	HTMLexe_JC.exe	31
PID 2316 wrote to memory of 2600	2316	HTMLexe_JC.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HTMLexe_JC.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HTMLexe_JC.exe

C:\Users\Admin\AppData\Local\Temp\HTMLexe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\HTMLexe_JC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PaJmBrIB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp79C2.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2548
- C:\Users\Admin\AppData\Local\Temp\HTMLexe_JC.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp79C2.tmp

Filesize
1KB

MD5
bf8fc7e02575c76c48a08f868bbbf9ff

SHA1
08cfb26b20bb24dfdd42cb12f416f0c5ad3aa60b

SHA256
4085e02a5148dd39fac38de5fb64677e709ac7d71d55374140316451e05e939b

SHA512
a9747469d910cb1d0d2bfe182acc99955a1be69932411aad094d0616ce3ed5e7291db39d68c8fb9ee5a23d47a616723ef3823c90a9d98785f9cc182ca9e48a32

Download Submit
memory/2316-1-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/2316-0-0x0000000001380000-0x0000000001418000-memory.dmp

Filesize
608KB

Download
memory/2316-2-0x0000000000960000-0x00000000009A0000-memory.dmp

Filesize
256KB

Download
memory/2316-3-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/2316-4-0x000000007EF40000-0x000000007EF50000-memory.dmp

Filesize
64KB

Download
memory/2316-5-0x0000000000D30000-0x0000000000D3C000-memory.dmp

Filesize
48KB

Download
memory/2316-6-0x0000000000960000-0x00000000009A0000-memory.dmp

Filesize
256KB

Download
memory/2316-7-0x000000007EF40000-0x000000007EF50000-memory.dmp

Filesize
64KB

Download
memory/2316-8-0x00000000050F0000-0x0000000005170000-memory.dmp

Filesize
512KB

Download
memory/2316-9-0x0000000004D10000-0x0000000004D52000-memory.dmp

Filesize
264KB

Download
memory/2316-30-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/2600-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2600-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2600-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2600-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2600-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2600-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2600-27-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2600-28-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/2600-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2600-29-0x00000000048F0000-0x0000000004930000-memory.dmp

Filesize
256KB

Download
memory/2600-31-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/2600-32-0x00000000048F0000-0x0000000004930000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads