agenttesla | 625d77dfe7f5dd78fa40accd4e84a12cb5387e6de68f771d0f138e97a18a2959

General

Target

Po docs. pdf................................exe
Size

718KB
MD5

54a11ae845acbd951f5263a8013db736
SHA1

f7e0115a08e3f37519499ff36b5f33c02bd46fdc
SHA256

a2a9b6a0deb3f24e5239a84442bdf3e0d45f2c19b2c1ceb0a1c32f37d38b7a54
SHA512

aa0a42e46f7c592d2bbef0024010fec693303b55d7b95463aa97235e5aa1dc8a4e887e77e2ca0348612dcbc874531fa5842ef582656413e2157341f012c917b2

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.oxc-ph.com
Port:
587
Username:
[email protected]
Password:
oxychempassword

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
behavioral2/memory/3796-128-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/3796-129-0x00000000004375EE-mapping.dmp	family_agenttesla
behavioral2/memory/3796-135-0x00000000054E0000-0x00000000059DE000-memory.dmp	family_agenttesla
behavioral2/memory/3796-140-0x00000000054E0000-0x00000000059DE000-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:

Po docs. pdf................................exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Po docs. pdf................................exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Po docs. pdf................................exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Po docs. pdf................................exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Po docs. pdf................................exe

description	pid	process	target process
PID 2744 set thread context of 3796	2744	Po docs. pdf................................exe	Po docs. pdf................................exe

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

2084 schtasks.exe

pid	process
2084	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Po docs. pdf................................exePo docs. pdf................................exe

pid	process
2744	Po docs. pdf................................exe
3796	Po docs. pdf................................exe
3796	Po docs. pdf................................exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Po docs. pdf................................exePo docs. pdf................................exe

description	pid	process
Token: SeDebugPrivilege	2744	Po docs. pdf................................exe
Token: SeDebugPrivilege	3796	Po docs. pdf................................exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Po docs. pdf................................exe

description	pid	process	target process
PID 2744 wrote to memory of 2084	2744	Po docs. pdf................................exe	schtasks.exe
PID 2744 wrote to memory of 2084	2744	Po docs. pdf................................exe	schtasks.exe
PID 2744 wrote to memory of 2084	2744	Po docs. pdf................................exe	schtasks.exe
PID 2744 wrote to memory of 3796	2744	Po docs. pdf................................exe	Po docs. pdf................................exe
PID 2744 wrote to memory of 3796	2744	Po docs. pdf................................exe	Po docs. pdf................................exe
PID 2744 wrote to memory of 3796	2744	Po docs. pdf................................exe	Po docs. pdf................................exe
PID 2744 wrote to memory of 3796	2744	Po docs. pdf................................exe	Po docs. pdf................................exe
PID 2744 wrote to memory of 3796	2744	Po docs. pdf................................exe	Po docs. pdf................................exe
PID 2744 wrote to memory of 3796	2744	Po docs. pdf................................exe	Po docs. pdf................................exe
PID 2744 wrote to memory of 3796	2744	Po docs. pdf................................exe	Po docs. pdf................................exe
PID 2744 wrote to memory of 3796	2744	Po docs. pdf................................exe	Po docs. pdf................................exe

outlook_office_path 1 IoCs

Processes:

Po docs. pdf................................exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Po docs. pdf................................exe

outlook_win_path 1 IoCs

Processes:

Po docs. pdf................................exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Po docs. pdf................................exe

C:\Users\Admin\AppData\Local\Temp\Po docs. pdf................................exe
"C:\Users\Admin\AppData\Local\Temp\Po docs. pdf................................exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2744

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KwYLBDZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8A5A.tmp"
2⤵
- Creates scheduled task(s)
PID:2084

C:\Users\Admin\AppData\Local\Temp\Po docs. pdf................................exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3796

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

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\Po docs. pdf................................exe.log
MD5
90acfd72f14a512712b1a7380c0faf60

SHA1
40ba4accb8faa75887e84fb8e38d598dc8cf0f12

SHA256
20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

SHA512
29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8A5A.tmp
MD5
63f5fb7b380848bf4d0c3c0d4beb7af0

SHA1
6ca6e8b8fba4ed183dc5d81fc5f69cfdd75297c3

SHA256
cf401076f4a94201c1baf1181709d7bb563b8a999a2d6ad306a2583b30281588

SHA512
7dfdf671dc56497100682c5546f4706bcecfac1091d25af5fc1dd9d49fb1a50e3d396646db55db46e50e137b39ffb04a7dbe2ae9f05a85f8ac5b848e7c6f3d58

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memory/2084-126-0x0000000000000000-mapping.dmp

Download
memory/2744-124-0x0000000007400000-0x0000000007481000-memory.dmp

Filesize
516KB

Download
memory/2744-119-0x0000000004A10000-0x0000000004A11000-memory.dmp

Filesize
4KB

Download
memory/2744-121-0x0000000004990000-0x0000000004991000-memory.dmp

Filesize
4KB

Download
memory/2744-122-0x0000000004BD0000-0x0000000004BD1000-memory.dmp

Filesize
4KB

Download
memory/2744-123-0x0000000004C30000-0x0000000004C35000-memory.dmp

Filesize
20KB

Download
memory/2744-115-0x0000000000010000-0x0000000000011000-memory.dmp

Filesize
4KB

Download
memory/2744-125-0x00000000099C0000-0x00000000099F8000-memory.dmp

Filesize
224KB

Download
memory/2744-120-0x0000000004970000-0x0000000004E6E000-memory.dmp

Filesize
5.0MB

Download
memory/2744-118-0x0000000004E70000-0x0000000004E71000-memory.dmp

Filesize
4KB

Download
memory/2744-117-0x00000000048B0000-0x00000000048B1000-memory.dmp

Filesize
4KB

Download
memory/3796-129-0x00000000004375EE-mapping.dmp

Download
memory/3796-128-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3796-135-0x00000000054E0000-0x00000000059DE000-memory.dmp

Filesize
5.0MB

Download
memory/3796-136-0x0000000005960000-0x0000000005961000-memory.dmp

Filesize
4KB

Download
memory/3796-137-0x0000000006240000-0x0000000006241000-memory.dmp

Filesize
4KB

Download
memory/3796-140-0x00000000054E0000-0x00000000059DE000-memory.dmp

Filesize
5.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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