agenttesla | 1cf5756cac6b8969e8efcf8843496e5626b7c5dcc168d945c68f4b08b212ce18

General

Target

d2c753ecf3190e32e4a5ed873a796383a445c3d51012bcc5739bd42d99dfafc5.exe
Size

523KB
MD5

ada654794b72ff4d6c5bc4a2b980ba85
SHA1

0abd6d77ee33987cb7a32770e5b6887a4a04deed
SHA256

d2c753ecf3190e32e4a5ed873a796383a445c3d51012bcc5739bd42d99dfafc5
SHA512

3e1b01a1266ea339a6222e6c5df78160d0d8d50fffb610fff892fc8839a8e911260298c6f5a0373d4e75771f38da7a3ebd22dde20725774a1f5551b2dd9414a8
SSDEEP

12288:nTW86fsTiubFoAlT6ZogjuQ7DYmXesyIXm9rXmKQVTNpVo:nTF6fWoAlm6gjdbexmpVxpV

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://valvulasthermovalve.cl
Port:
21
Username:
[email protected]
Password:
LILKOOLL14!!

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-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe
Key opened	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe
Key opened	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.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
27	api.ipify.org
28	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4924 set thread context of 3748	4924	d2c753ecf3190e32e4a5ed873a796383a445c3d51012bcc5739bd42d99dfafc5.exe	89

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3748	CasPol.exe
3748	CasPol.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3748	CasPol.exe
Token: SeManageVolumePrivilege	1200	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4924 wrote to memory of 3748	4924	d2c753ecf3190e32e4a5ed873a796383a445c3d51012bcc5739bd42d99dfafc5.exe	89
PID 4924 wrote to memory of 3748	4924	d2c753ecf3190e32e4a5ed873a796383a445c3d51012bcc5739bd42d99dfafc5.exe	89
PID 4924 wrote to memory of 3748	4924	d2c753ecf3190e32e4a5ed873a796383a445c3d51012bcc5739bd42d99dfafc5.exe	89
PID 4924 wrote to memory of 3748	4924	d2c753ecf3190e32e4a5ed873a796383a445c3d51012bcc5739bd42d99dfafc5.exe	89
PID 4924 wrote to memory of 3748	4924	d2c753ecf3190e32e4a5ed873a796383a445c3d51012bcc5739bd42d99dfafc5.exe	89
PID 4924 wrote to memory of 3748	4924	d2c753ecf3190e32e4a5ed873a796383a445c3d51012bcc5739bd42d99dfafc5.exe	89
PID 4924 wrote to memory of 3748	4924	d2c753ecf3190e32e4a5ed873a796383a445c3d51012bcc5739bd42d99dfafc5.exe	89
PID 4924 wrote to memory of 3748	4924	d2c753ecf3190e32e4a5ed873a796383a445c3d51012bcc5739bd42d99dfafc5.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe

C:\Users\Admin\AppData\Local\Temp\d2c753ecf3190e32e4a5ed873a796383a445c3d51012bcc5739bd42d99dfafc5.exe
"C:\Users\Admin\AppData\Local\Temp\d2c753ecf3190e32e4a5ed873a796383a445c3d51012bcc5739bd42d99dfafc5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4924
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3748

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
1⤵
PID:3432

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k UnistackSvcGroup
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1200

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

memory/1200-19-0x0000018C83740000-0x0000018C83750000-memory.dmp

Filesize
64KB

Download
memory/1200-55-0x0000018C8BC90000-0x0000018C8BC91000-memory.dmp

Filesize
4KB

Download
memory/1200-54-0x0000018C8BB80000-0x0000018C8BB81000-memory.dmp

Filesize
4KB

Download
memory/1200-53-0x0000018C8BB80000-0x0000018C8BB81000-memory.dmp

Filesize
4KB

Download
memory/1200-51-0x0000018C8BB50000-0x0000018C8BB51000-memory.dmp

Filesize
4KB

Download
memory/1200-35-0x0000018C83840000-0x0000018C83850000-memory.dmp

Filesize
64KB

Download
memory/3748-14-0x0000000005810000-0x0000000005820000-memory.dmp

Filesize
64KB

Download
memory/3748-18-0x0000000005810000-0x0000000005820000-memory.dmp

Filesize
64KB

Download
memory/3748-17-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/3748-16-0x0000000006D30000-0x0000000006D80000-memory.dmp

Filesize
320KB

Download
memory/3748-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3748-12-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/3748-15-0x0000000005920000-0x0000000005986000-memory.dmp

Filesize
408KB

Download
memory/4924-6-0x0000000005B70000-0x0000000005B80000-memory.dmp

Filesize
64KB

Download
memory/4924-13-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/4924-9-0x0000000006020000-0x000000000603A000-memory.dmp

Filesize
104KB

Download
memory/4924-8-0x0000000006D00000-0x0000000006D62000-memory.dmp

Filesize
392KB

Download
memory/4924-7-0x0000000006DA0000-0x0000000006E3C000-memory.dmp

Filesize
624KB

Download
memory/4924-0-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/4924-5-0x0000000005A50000-0x0000000005A5A000-memory.dmp

Filesize
40KB

Download
memory/4924-4-0x0000000005B70000-0x0000000005B80000-memory.dmp

Filesize
64KB

Download
memory/4924-3-0x0000000005990000-0x0000000005A22000-memory.dmp

Filesize
584KB

Download
memory/4924-2-0x0000000006070000-0x0000000006614000-memory.dmp

Filesize
5.6MB

Download
memory/4924-1-0x0000000000F20000-0x0000000000FA8000-memory.dmp

Filesize
544KB

Download

Analysis

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