agenttesla | b5407867280ebab5a6ae8ae4878a36108b33d78976a0f5c4697e03ac17327193

General

Target

Quotation#[email protected]
Size

889KB
MD5

98d9d150c0b4afc30efd34c22e176f56
SHA1

ba286afad44a3f4f514aff7f1dca1c159f8cbec0
SHA256

c9c89543724cc2517b6f7a873f9c33cc055c237829c65a268dbdf64a21b4dd95
SHA512

8f03ca7edaebc084f20609f8005b85d8a0fc5d18187f67179b6799dd9c5c337a9584714bbafe9eedf6dbc405787b38b3fdbef723590fd16a4da7ab9b0571ca31
SSDEEP

24576:WyBtjmCojfzv3J3LTT3onKLMplOBLG6+:J72fzv3ZbT0l

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
ikechukwu123456789

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
ikechukwu123456789

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/4988-12-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	Quotation#[email protected]

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
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

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-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation#[email protected]
Key opened	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation#[email protected]
Key opened	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation#[email protected]

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2276 set thread context of 4988	2276	Quotation#[email protected]	93

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Quotation#[email protected]
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Quotation#[email protected]

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2448	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2276	Quotation#[email protected]
2276	Quotation#[email protected]
2276	Quotation#[email protected]
2276	Quotation#[email protected]
4988	Quotation#[email protected]
4988	Quotation#[email protected]

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2276	Quotation#[email protected]
Token: SeDebugPrivilege	4988	Quotation#[email protected]

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2276 wrote to memory of 2448	2276	Quotation#[email protected]	91
PID 2276 wrote to memory of 2448	2276	Quotation#[email protected]	91
PID 2276 wrote to memory of 2448	2276	Quotation#[email protected]	91
PID 2276 wrote to memory of 4988	2276	Quotation#[email protected]	93
PID 2276 wrote to memory of 4988	2276	Quotation#[email protected]	93
PID 2276 wrote to memory of 4988	2276	Quotation#[email protected]	93
PID 2276 wrote to memory of 4988	2276	Quotation#[email protected]	93
PID 2276 wrote to memory of 4988	2276	Quotation#[email protected]	93
PID 2276 wrote to memory of 4988	2276	Quotation#[email protected]	93
PID 2276 wrote to memory of 4988	2276	Quotation#[email protected]	93
PID 2276 wrote to memory of 4988	2276	Quotation#[email protected]	93

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation#[email protected]

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation#[email protected]

C:\Users\Admin\AppData\Local\Temp\Quotation#[email protected]
"C:\Users\Admin\AppData\Local\Temp\Quotation#[email protected]"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2276
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OxswKUOe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4D8E.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2448
- C:\Users\Admin\AppData\Local\Temp\Quotation#[email protected]
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4988

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Quotation#[email protected]

Filesize
412B

MD5
e72888b5960716cf170f3e1becd14370

SHA1
0aeefd2d4a7948a03aad625ca86fc34d79adf248

SHA256
8317f594f74040b50e1b88f4aba5e6da3423bf47fe91df59e6e85f37b1f7e0ab

SHA512
9cdfda6fc4f324dfd8d53b46610114252431a5d26296a6f3d606b8ffeef172263fbde9ce0a1b2b9232dabcdabd33d6677e9a5f7693b175f24cea622c31b5c6b7

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4D8E.tmp

Filesize
1KB

MD5
d1f952ff4202dda30af5aa95175b0e0b

SHA1
31fda287e3125cc57c19243d572a3d6442316eb3

SHA256
47d55d14c3c28633f71ae302325b4683ea8b7a6e5364dff775935796803a9544

SHA512
c9ee2569fb8fdf0e86ef497099875547a72f3342bf5fa81b9cb0c2e7e49e9202e89a187a4a309164441adf877265f252c2ed6691c3800a80e844e4074cd56901

Download Submit
memory/2276-16-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/2276-1-0x0000000000B00000-0x0000000000BE4000-memory.dmp

Filesize
912KB

Download
memory/2276-2-0x0000000005570000-0x000000000560C000-memory.dmp

Filesize
624KB

Download
memory/2276-3-0x0000000005540000-0x0000000005552000-memory.dmp

Filesize
72KB

Download
memory/2276-4-0x0000000005720000-0x00000000057B2000-memory.dmp

Filesize
584KB

Download
memory/2276-5-0x000000007446E000-0x000000007446F000-memory.dmp

Filesize
4KB

Download
memory/2276-6-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/2276-7-0x0000000005D40000-0x0000000005DE2000-memory.dmp

Filesize
648KB

Download
memory/2276-8-0x00000000082E0000-0x0000000008378000-memory.dmp

Filesize
608KB

Download
memory/2276-0-0x000000007446E000-0x000000007446F000-memory.dmp

Filesize
4KB

Download
memory/4988-12-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4988-15-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/4988-17-0x0000000005D60000-0x0000000006304000-memory.dmp

Filesize
5.6MB

Download
memory/4988-18-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/4988-19-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/4988-20-0x0000000005CE0000-0x0000000005CF8000-memory.dmp

Filesize
96KB

Download
memory/4988-21-0x00000000065C0000-0x0000000006626000-memory.dmp

Filesize
408KB

Download
memory/4988-22-0x0000000006B60000-0x0000000006BB0000-memory.dmp

Filesize
320KB

Download
memory/4988-23-0x0000000006F50000-0x0000000006F5A000-memory.dmp

Filesize
40KB

Download
memory/4988-24-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/4988-25-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads