agenttesla | 350fee444e2e7bb7924093b3c57ce9cbb8d6810a3dc4af17a971739ccf05f9fb

General

Target

PO82100088.exe
Size

568KB
MD5

cdabc5342191cc7423fabc6038eb180d
SHA1

7b2641cf0dae1cc1da54218bcd6b2a066c491c39
SHA256

5c08922622153fcfa1cf05af7f0bdf474c6f9990c4f529742516a03362675cc0
SHA512

6ec7218f70c13638d23228736c3aedf62f7206f07c1b56d6bba273d3ec10eda6ff153f4d5f44ccaf3a9bb39a3d492a9ef45072c40970a1d7aa8211bd130875d9
SSDEEP

12288:IcK1qNZRAucPPVeFfV8pC3WosUgLhkVr100kmRmyMXtTd:tlXcPPVMfi0s7o0LmRNM9Td

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.mbarieservicesltd.com
Port:
587
Username:
[email protected]
Password:
*o9H+18Q4%;M
Email To:
[email protected]

Signatures

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

Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1452-11-0x0000000000400000-0x0000000000430000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

PO82100088.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\International\Geo\Nation	PO82100088.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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

Processes:

PO82100088.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO82100088.exe
Key opened	\REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO82100088.exe
Key opened	\REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO82100088.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO82100088.exe

description pid process target process

PID 5092 set thread context of 1452 5092 PO82100088.exe PO82100088.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe

pid process

3044 powershell.exe
3044 powershell.exe
3044 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO82100088.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1452 PO82100088.exe
Token: SeDebugPrivilege 3044 powershell.exe

description	pid	process	target process
PID 5092 set thread context of 1452	5092	PO82100088.exe	PO82100088.exe

pid	process
3044	powershell.exe
3044	powershell.exe
3044	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1452	PO82100088.exe
Token: SeDebugPrivilege	3044	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

PO82100088.exe

description	pid	process	target process
PID 5092 wrote to memory of 3044	5092	PO82100088.exe	powershell.exe
PID 5092 wrote to memory of 3044	5092	PO82100088.exe	powershell.exe
PID 5092 wrote to memory of 3044	5092	PO82100088.exe	powershell.exe
PID 5092 wrote to memory of 1452	5092	PO82100088.exe	PO82100088.exe
PID 5092 wrote to memory of 1452	5092	PO82100088.exe	PO82100088.exe
PID 5092 wrote to memory of 1452	5092	PO82100088.exe	PO82100088.exe
PID 5092 wrote to memory of 1452	5092	PO82100088.exe	PO82100088.exe
PID 5092 wrote to memory of 1452	5092	PO82100088.exe	PO82100088.exe
PID 5092 wrote to memory of 1452	5092	PO82100088.exe	PO82100088.exe
PID 5092 wrote to memory of 1452	5092	PO82100088.exe	PO82100088.exe
PID 5092 wrote to memory of 1452	5092	PO82100088.exe	PO82100088.exe

outlook_office_path 1 IoCs

Processes:

PO82100088.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO82100088.exe

outlook_win_path 1 IoCs

Processes:

PO82100088.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO82100088.exe

C:\Users\Admin\AppData\Local\Temp\PO82100088.exe
"C:\Users\Admin\AppData\Local\Temp\PO82100088.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5092

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PO82100088.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3044

C:\Users\Admin\AppData\Local\Temp\PO82100088.exe
"C:\Users\Admin\AppData\Local\Temp\PO82100088.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1452

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO82100088.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wu1ejv5h.o13.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1452-11-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1452-65-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/1452-52-0x00000000064E0000-0x00000000066A2000-memory.dmp

Filesize
1.8MB

Download
memory/1452-50-0x00000000062C0000-0x0000000006310000-memory.dmp

Filesize
320KB

Download
memory/1452-17-0x0000000005020000-0x0000000005030000-memory.dmp

Filesize
64KB

Download
memory/1452-16-0x0000000004F00000-0x0000000004F66000-memory.dmp

Filesize
408KB

Download
memory/1452-14-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/3044-23-0x0000000004C50000-0x0000000004C72000-memory.dmp

Filesize
136KB

Download
memory/3044-37-0x00000000062C0000-0x00000000062F2000-memory.dmp

Filesize
200KB

Download
memory/3044-64-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/3044-61-0x0000000007350000-0x0000000007358000-memory.dmp

Filesize
32KB

Download
memory/3044-60-0x0000000007370000-0x000000000738A000-memory.dmp

Filesize
104KB

Download
memory/3044-59-0x0000000007270000-0x0000000007284000-memory.dmp

Filesize
80KB

Download
memory/3044-58-0x0000000007260000-0x000000000726E000-memory.dmp

Filesize
56KB

Download
memory/3044-57-0x0000000007230000-0x0000000007241000-memory.dmp

Filesize
68KB

Download
memory/3044-18-0x0000000002440000-0x0000000002476000-memory.dmp

Filesize
216KB

Download
memory/3044-19-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/3044-20-0x00000000023C0000-0x00000000023D0000-memory.dmp

Filesize
64KB

Download
memory/3044-21-0x0000000004F30000-0x0000000005558000-memory.dmp

Filesize
6.2MB

Download
memory/3044-22-0x00000000023C0000-0x00000000023D0000-memory.dmp

Filesize
64KB

Download
memory/3044-56-0x00000000072B0000-0x0000000007346000-memory.dmp

Filesize
600KB

Download
memory/3044-24-0x0000000005660000-0x00000000056C6000-memory.dmp

Filesize
408KB

Download
memory/3044-55-0x00000000070A0000-0x00000000070AA000-memory.dmp

Filesize
40KB

Download
memory/3044-30-0x0000000005740000-0x0000000005A94000-memory.dmp

Filesize
3.3MB

Download
memory/3044-35-0x0000000005CF0000-0x0000000005D0E000-memory.dmp

Filesize
120KB

Download
memory/3044-36-0x0000000005D80000-0x0000000005DCC000-memory.dmp

Filesize
304KB

Download
memory/3044-54-0x0000000007030000-0x000000000704A000-memory.dmp

Filesize
104KB

Download
memory/3044-38-0x000000007EE40000-0x000000007EE50000-memory.dmp

Filesize
64KB

Download
memory/3044-39-0x0000000070050000-0x000000007009C000-memory.dmp

Filesize
304KB

Download
memory/3044-53-0x00000000076B0000-0x0000000007D2A000-memory.dmp

Filesize
6.5MB

Download
memory/3044-49-0x00000000062A0000-0x00000000062BE000-memory.dmp

Filesize
120KB

Download
memory/3044-51-0x0000000006F80000-0x0000000007023000-memory.dmp

Filesize
652KB

Download
memory/5092-2-0x00000000052D0000-0x0000000005874000-memory.dmp

Filesize
5.6MB

Download
memory/5092-3-0x0000000004C30000-0x0000000004CC2000-memory.dmp

Filesize
584KB

Download
memory/5092-10-0x0000000008530000-0x00000000085CC000-memory.dmp

Filesize
624KB

Download
memory/5092-4-0x0000000004E20000-0x0000000004E30000-memory.dmp

Filesize
64KB

Download
memory/5092-1-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/5092-5-0x0000000004CE0000-0x0000000004CEA000-memory.dmp

Filesize
40KB

Download
memory/5092-6-0x0000000004DB0000-0x0000000004DC8000-memory.dmp

Filesize
96KB

Download
memory/5092-15-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/5092-7-0x0000000004E00000-0x0000000004E0E000-memory.dmp

Filesize
56KB

Download
memory/5092-8-0x0000000005290000-0x00000000052A4000-memory.dmp

Filesize
80KB

Download
memory/5092-9-0x0000000002500000-0x0000000002572000-memory.dmp

Filesize
456KB

Download
memory/5092-0-0x00000000001B0000-0x0000000000244000-memory.dmp

Filesize
592KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads