agenttesla | 87e7172f434b6a013113600a3de424c566e9f8f63299ba0360664803f6245b3d

General

Target

oc.exe
Size

752KB
MD5

88a1a6045eb862e7132372ca4b878b65
SHA1

e59a5e2fecb6d1aa754a03be15d5b4d4085aba8d
SHA256

87e7172f434b6a013113600a3de424c566e9f8f63299ba0360664803f6245b3d
SHA512

a1791ae05cf09378003884e3cc318e9b4cda867ce4ef26a6566e2d63cfb2e97537de7619fe18c85d1dee8b8f73bb08776db3d04136075b14e44c8a0178acb74b

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.aivazibis.com
Port:
587
Username:
[email protected]
Password:
l^svHAz9

Signatures

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

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4048-126-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/4048-127-0x00000000004375EE-mapping.dmp	family_agenttesla
behavioral1/memory/4048-133-0x0000000004EA0000-0x000000000539E000-memory.dmp	family_agenttesla
behavioral1/memory/4048-138-0x0000000004EA0000-0x000000000539E000-memory.dmp	family_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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

oc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	oc.exe
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	oc.exe
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	oc.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

oc.exe

description pid process target process

PID 1828 set thread context of 4048 1828 oc.exe oc.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

oc.exe

pid process

4048 oc.exe
4048 oc.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

oc.exe

description pid process

Token: SeDebugPrivilege 4048 oc.exe

description	pid	process	target process
PID 1828 set thread context of 4048	1828	oc.exe	oc.exe

pid	process
4048	oc.exe
4048	oc.exe

description	pid	process
Token: SeDebugPrivilege	4048	oc.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

oc.exe

description	pid	process	target process
PID 1828 wrote to memory of 4048	1828	oc.exe	oc.exe
PID 1828 wrote to memory of 4048	1828	oc.exe	oc.exe
PID 1828 wrote to memory of 4048	1828	oc.exe	oc.exe
PID 1828 wrote to memory of 4048	1828	oc.exe	oc.exe
PID 1828 wrote to memory of 4048	1828	oc.exe	oc.exe
PID 1828 wrote to memory of 4048	1828	oc.exe	oc.exe
PID 1828 wrote to memory of 4048	1828	oc.exe	oc.exe
PID 1828 wrote to memory of 4048	1828	oc.exe	oc.exe

outlook_office_path 1 IoCs

Processes:

oc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	oc.exe

outlook_win_path 1 IoCs

Processes:

oc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	oc.exe

C:\Users\Admin\AppData\Local\Temp\oc.exe
"C:\Users\Admin\AppData\Local\Temp\oc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1828

C:\Users\Admin\AppData\Local\Temp\oc.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4048

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

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\oc.exe.log
MD5
90acfd72f14a512712b1a7380c0faf60

SHA1
40ba4accb8faa75887e84fb8e38d598dc8cf0f12

SHA256
20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

SHA512
29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

Download Submit
memory/1828-120-0x00000000053E0000-0x00000000058DE000-memory.dmp

Filesize
5.0MB

Download
memory/1828-123-0x00000000057E0000-0x00000000057EE000-memory.dmp

Filesize
56KB

Download
memory/1828-119-0x0000000005480000-0x0000000005481000-memory.dmp

Filesize
4KB

Download
memory/1828-115-0x0000000000A00000-0x0000000000A01000-memory.dmp

Filesize
4KB

Download
memory/1828-125-0x00000000071D0000-0x0000000007208000-memory.dmp

Filesize
224KB

Download
memory/1828-122-0x00000000055E0000-0x00000000055E1000-memory.dmp

Filesize
4KB

Download
memory/1828-118-0x00000000058E0000-0x00000000058E1000-memory.dmp

Filesize
4KB

Download
memory/1828-124-0x0000000007040000-0x00000000070C1000-memory.dmp

Filesize
516KB

Download
memory/1828-121-0x0000000005370000-0x0000000005371000-memory.dmp

Filesize
4KB

Download
memory/1828-117-0x00000000052C0000-0x00000000052C1000-memory.dmp

Filesize
4KB

Download
memory/4048-127-0x00000000004375EE-mapping.dmp

Download
memory/4048-126-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4048-133-0x0000000004EA0000-0x000000000539E000-memory.dmp

Filesize
5.0MB

Download
memory/4048-134-0x0000000005B90000-0x0000000005B91000-memory.dmp

Filesize
4KB

Download
memory/4048-135-0x0000000005C20000-0x0000000005C21000-memory.dmp

Filesize
4KB

Download
memory/4048-138-0x0000000004EA0000-0x000000000539E000-memory.dmp

Filesize
5.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads