agenttesla | b2083ce7d4550ceaccac4b45679bfa5a9c8168adee4d7c79b7a6b566e597ddf9

General

Target

SOA APRIL.exe
Size

443KB
MD5

b4918de9ccfdf564a629cea7e3b82195
SHA1

aab1d0e71ce72baffc39ce5f9fd3fc5aad0ec8d9
SHA256

c57c75b73874a793db4640a20bf8f89c57d8b95c9165a721e3a71f5693127c49
SHA512

f50ebdab2e8c5c2598ef52eae7a2c0d9f53900f0c26cf17cfd441051390d083a0881d1eb80eb713ef8d2e96633478d654219c07fd5178881919bf78801ed3d41

Score

10^/10

agenttesla collection evasion keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.tolipgoldenplaza.com
Port:
587
Username:
[email protected]
Password:
Golden@#$2019

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.tolipgoldenplaza.com
Port:
587
Username:
[email protected]
Password:
Golden@#$2019

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2812-139-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

Disables Task Manager via registry modification
evasion
Drops file in Drivers directory 1 IoCs

Processes:

SOA APRIL.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts SOA APRIL.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	SOA APRIL.exe

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:

SOA APRIL.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	SOA APRIL.exe

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:

SOA APRIL.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA APRIL.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA APRIL.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA APRIL.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

SOA APRIL.exe

description pid process target process

PID 4964 set thread context of 2812 4964 SOA APRIL.exe SOA APRIL.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

4520 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

3852 REG.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

SOA APRIL.exeSOA APRIL.exe

pid process

4964 SOA APRIL.exe
4964 SOA APRIL.exe
4964 SOA APRIL.exe
2812 SOA APRIL.exe
2812 SOA APRIL.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

SOA APRIL.exeSOA APRIL.exe

description pid process

Token: SeDebugPrivilege 4964 SOA APRIL.exe
Token: SeDebugPrivilege 2812 SOA APRIL.exe

description	pid	process	target process
PID 4964 set thread context of 2812	4964	SOA APRIL.exe	SOA APRIL.exe

pid	process
4520	schtasks.exe

pid	process
3852	REG.exe

pid	process
4964	SOA APRIL.exe
4964	SOA APRIL.exe
4964	SOA APRIL.exe
2812	SOA APRIL.exe
2812	SOA APRIL.exe

description	pid	process
Token: SeDebugPrivilege	4964	SOA APRIL.exe
Token: SeDebugPrivilege	2812	SOA APRIL.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

SOA APRIL.exeSOA APRIL.exe

description	pid	process	target process
PID 4964 wrote to memory of 4520	4964	SOA APRIL.exe	schtasks.exe
PID 4964 wrote to memory of 4520	4964	SOA APRIL.exe	schtasks.exe
PID 4964 wrote to memory of 4520	4964	SOA APRIL.exe	schtasks.exe
PID 4964 wrote to memory of 5096	4964	SOA APRIL.exe	SOA APRIL.exe
PID 4964 wrote to memory of 5096	4964	SOA APRIL.exe	SOA APRIL.exe
PID 4964 wrote to memory of 5096	4964	SOA APRIL.exe	SOA APRIL.exe
PID 4964 wrote to memory of 2812	4964	SOA APRIL.exe	SOA APRIL.exe
PID 4964 wrote to memory of 2812	4964	SOA APRIL.exe	SOA APRIL.exe
PID 4964 wrote to memory of 2812	4964	SOA APRIL.exe	SOA APRIL.exe
PID 4964 wrote to memory of 2812	4964	SOA APRIL.exe	SOA APRIL.exe
PID 4964 wrote to memory of 2812	4964	SOA APRIL.exe	SOA APRIL.exe
PID 4964 wrote to memory of 2812	4964	SOA APRIL.exe	SOA APRIL.exe
PID 4964 wrote to memory of 2812	4964	SOA APRIL.exe	SOA APRIL.exe
PID 4964 wrote to memory of 2812	4964	SOA APRIL.exe	SOA APRIL.exe
PID 2812 wrote to memory of 3852	2812	SOA APRIL.exe	REG.exe
PID 2812 wrote to memory of 3852	2812	SOA APRIL.exe	REG.exe
PID 2812 wrote to memory of 3852	2812	SOA APRIL.exe	REG.exe
PID 2812 wrote to memory of 712	2812	SOA APRIL.exe	netsh.exe
PID 2812 wrote to memory of 712	2812	SOA APRIL.exe	netsh.exe
PID 2812 wrote to memory of 712	2812	SOA APRIL.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

SOA APRIL.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA APRIL.exe

outlook_win_path 1 IoCs

Processes:

SOA APRIL.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA APRIL.exe

C:\Users\Admin\AppData\Local\Temp\SOA APRIL.exe
"C:\Users\Admin\AppData\Local\Temp\SOA APRIL.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4964

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PzcvEUFxw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp23A5.tmp"
2⤵
- Creates scheduled task(s)
PID:4520

C:\Users\Admin\AppData\Local\Temp\SOA APRIL.exe
"{path}"
2⤵
PID:5096

C:\Users\Admin\AppData\Local\Temp\SOA APRIL.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2812

C:\Windows\SysWOW64\REG.exe
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
3⤵
- Modifies registry key
PID:3852

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:712

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

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

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp23A5.tmp
Filesize
1KB

MD5
3ca555a5d58ed6115d4d3295b6e05657

SHA1
c3a9dc22d29e7d14b28520acd2ba9da70773d528

SHA256
9e76f7852bf961eb6f3f6d6582d5b961589477f1a685f181ec5534c7b339bf47

SHA512
b4149cb7520cb256e68168b3d6be9dec319c90a7eca991087c579e66ed53f47283b6323d8cc58a11cf9b852777a968e26394f4a14cf8ccb8be878fcf0c6aa306

Download Submit
memory/712-144-0x0000000000000000-mapping.dmp

Download
memory/2812-139-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2812-138-0x0000000000000000-mapping.dmp

Download
memory/2812-141-0x0000000005BF0000-0x0000000005C56000-memory.dmp

Filesize
408KB

Download
memory/2812-143-0x00000000067D0000-0x0000000006820000-memory.dmp

Filesize
320KB

Download
memory/3852-142-0x0000000000000000-mapping.dmp

Download
memory/4520-135-0x0000000000000000-mapping.dmp

Download
memory/4964-134-0x000000000AB00000-0x000000000AB9C000-memory.dmp

Filesize
624KB

Download
memory/4964-133-0x00000000070C0000-0x00000000070CA000-memory.dmp

Filesize
40KB

Download
memory/4964-130-0x0000000000120000-0x0000000000196000-memory.dmp

Filesize
472KB

Download
memory/4964-132-0x0000000007020000-0x00000000070B2000-memory.dmp

Filesize
584KB

Download
memory/4964-131-0x00000000075D0000-0x0000000007B74000-memory.dmp

Filesize
5.6MB

Download
memory/5096-137-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads