agenttesla | 0f3591120f2f986f136cc78f39ee44b66e002dd5dec008f814acc8b54de2a962

Analysis

max time kernel
47s
max time network
142s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
14/03/2023, 01:00

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General

Target
PO-91402278.exe
Size 605KB
Sample230314-bcnfcscf89
SHA256 0f3591120f2f986f136cc78f39ee44b66e002dd5dec008f814acc8b54de2a962
MD5 763772a6e8321fa148605aa253ed45d4
SHA1 ddc1871ed00e27658a756c9899a51b6fa5a09aa1
SHA512 122c913d5c06f5e54a5e6dfdfdc6cf2beeccf418d9b1099ba5fae834018ccfb92d67cb7f1262d5cec02de34e26a8f894190f65cbac12cf1438b345de0516c3ad
SSDEEP 12288:xnE5BhWH78QM8y46CAsQbxBtMm9CNzHMtN5lt+oLPSjW+:xnE5KbXP750BtMmoshnmj
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.exceltruea.com
Port
587
Username
[email protected]
Password
bl es si ng 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-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 928 set thread context of 1416	928	PO-91402278.exe	27

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
928	PO-91402278.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	928	PO-91402278.exe
Token: SeDebugPrivilege	1416	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 928 wrote to memory of 1416	928	PO-91402278.exe	27
PID 928 wrote to memory of 1416	928	PO-91402278.exe	27
PID 928 wrote to memory of 1416	928	PO-91402278.exe	27
PID 928 wrote to memory of 1416	928	PO-91402278.exe	27
PID 928 wrote to memory of 1416	928	PO-91402278.exe	27
PID 928 wrote to memory of 1416	928	PO-91402278.exe	27
PID 928 wrote to memory of 1416	928	PO-91402278.exe	27
PID 928 wrote to memory of 1416	928	PO-91402278.exe	27
PID 928 wrote to memory of 1416	928	PO-91402278.exe	27
PID 928 wrote to memory of 1416	928	PO-91402278.exe	27
PID 928 wrote to memory of 1416	928	PO-91402278.exe	27
PID 928 wrote to memory of 1416	928	PO-91402278.exe	27

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\PO-91402278.exe
"C:\Users\Admin\AppData\Local\Temp\PO-91402278.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:928
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1416

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/928-54-0x0000000000A50000-0x0000000000AEE000-memory.dmp

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memory/928-55-0x0000000004750000-0x0000000004790000-memory.dmp

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memory/928-56-0x0000000000320000-0x000000000032C000-memory.dmp

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memory/928-57-0x0000000004750000-0x0000000004790000-memory.dmp

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memory/928-58-0x0000000005130000-0x00000000051A8000-memory.dmp

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memory/928-59-0x0000000000360000-0x0000000000390000-memory.dmp

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memory/1416-60-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1416-61-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1416-62-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1416-64-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/1416-63-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1416-65-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1416-67-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1416-69-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1416-70-0x0000000004D20000-0x0000000004D60000-memory.dmp

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memory/1416-88-0x0000000004D20000-0x0000000004D60000-memory.dmp

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