agenttesla | 4012c4289aa953f24fdc7e1e257f2d9b04f835a8d6bd1b8eb919271c46a7db62

General

Target

invo5514155.pdf.exe
Size

687KB
MD5

fc0b0215e0ec8169fcd6556e236302c1
SHA1

e7b965067c6b7be5e24ad284562a9bac91e591e3
SHA256

4012c4289aa953f24fdc7e1e257f2d9b04f835a8d6bd1b8eb919271c46a7db62
SHA512

7359ba0dd283d5e9976d2604a87e8a48339e8d2f5433bd2488a2745c6443da672fe9889805b22f6044e2469333ef58b65d37d5f73eae3ab06b76d12704f5c0bd

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.simpleitalian.com.au
Port:
587
Username:
bookings@simpleitalian.com.au
Password:
SIpassword101$

Signatures

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

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2564-126-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/2564-127-0x00000000004374CE-mapping.dmp	family_agenttesla

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

Processes:

resource	yara_rule
behavioral2/memory/3036-121-0x0000000005250000-0x000000000525B000-memory.dmp	CustAttr

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
Suspicious use of SetThreadContext 1 IoCs

Processes:

invo5514155.pdf.exe

description pid process target process

PID 3036 set thread context of 2564 3036 invo5514155.pdf.exe invo5514155.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

3884 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

invo5514155.pdf.exeinvo5514155.pdf.exe

pid process

3036 invo5514155.pdf.exe
2564 invo5514155.pdf.exe
2564 invo5514155.pdf.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

invo5514155.pdf.exeinvo5514155.pdf.exe

description pid process

Token: SeDebugPrivilege 3036 invo5514155.pdf.exe
Token: SeDebugPrivilege 2564 invo5514155.pdf.exe

description	pid	process	target process
PID 3036 set thread context of 2564	3036	invo5514155.pdf.exe	invo5514155.pdf.exe

pid	process
3884	schtasks.exe

pid	process
3036	invo5514155.pdf.exe
2564	invo5514155.pdf.exe
2564	invo5514155.pdf.exe

description	pid	process
Token: SeDebugPrivilege	3036	invo5514155.pdf.exe
Token: SeDebugPrivilege	2564	invo5514155.pdf.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

invo5514155.pdf.exe

description	pid	process	target process
PID 3036 wrote to memory of 3884	3036	invo5514155.pdf.exe	schtasks.exe
PID 3036 wrote to memory of 3884	3036	invo5514155.pdf.exe	schtasks.exe
PID 3036 wrote to memory of 3884	3036	invo5514155.pdf.exe	schtasks.exe
PID 3036 wrote to memory of 2564	3036	invo5514155.pdf.exe	invo5514155.pdf.exe
PID 3036 wrote to memory of 2564	3036	invo5514155.pdf.exe	invo5514155.pdf.exe
PID 3036 wrote to memory of 2564	3036	invo5514155.pdf.exe	invo5514155.pdf.exe
PID 3036 wrote to memory of 2564	3036	invo5514155.pdf.exe	invo5514155.pdf.exe
PID 3036 wrote to memory of 2564	3036	invo5514155.pdf.exe	invo5514155.pdf.exe
PID 3036 wrote to memory of 2564	3036	invo5514155.pdf.exe	invo5514155.pdf.exe
PID 3036 wrote to memory of 2564	3036	invo5514155.pdf.exe	invo5514155.pdf.exe
PID 3036 wrote to memory of 2564	3036	invo5514155.pdf.exe	invo5514155.pdf.exe

C:\Users\Admin\AppData\Local\Temp\invo5514155.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\invo5514155.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3036

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DsQcdiulZfq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF8BD.tmp"
2⤵
- Creates scheduled task(s)
PID:3884

C:\Users\Admin\AppData\Local\Temp\invo5514155.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\invo5514155.pdf.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2564

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

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\invo5514155.pdf.exe.log
MD5
c3cc52ccca9ff2b6fa8d267fc350ca6b

SHA1
a68d4028333296d222e4afd75dea36fdc98d05f3

SHA256
3125b6071e2d78f575a06ed7ac32a83d9262ae64d1fa81ac43e8bfc1ef157c0e

SHA512
b0c7b2501b1a2c559795a9d178c0bbda0e03cbdbaaa2c4330ac1202a55373fe1b742078adcfa915bd6e805565a2daa6d35d64ef7a14ffcd09069f9ea6a691cc7

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C:\Users\Admin\AppData\Local\Temp\tmpF8BD.tmp
MD5
9cccf9faaf5dd19873dded7bf418870e

SHA1
f5dffaeaa849aabc7b2b2de11b303c415be2276d

SHA256
41539b47e3de4635dc61308e695ec7c5a1020ecddc6c331b60aaabd35e4e41ec

SHA512
0f122fe634b116edd6e7d7e50225462b92ed81d491e66b3635eda272184b22b8873fe2bce2f5e616eb37a49294673314759240d7eaf41c7401aa3b7f84d6a8eb

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memory/2564-138-0x0000000005321000-0x0000000005322000-memory.dmp

Filesize
4KB

Download
memory/2564-135-0x0000000006050000-0x0000000006051000-memory.dmp

Filesize
4KB

Download
memory/2564-134-0x0000000005FB0000-0x0000000005FB1000-memory.dmp

Filesize
4KB

Download
memory/2564-133-0x0000000005320000-0x0000000005321000-memory.dmp

Filesize
4KB

Download
memory/2564-127-0x00000000004374CE-mapping.dmp

Download
memory/2564-126-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3036-119-0x0000000004CC0000-0x0000000004CC1000-memory.dmp

Filesize
4KB

Download
memory/3036-123-0x0000000007430000-0x000000000746D000-memory.dmp

Filesize
244KB

Download
memory/3036-122-0x00000000073A0000-0x0000000007423000-memory.dmp

Filesize
524KB

Download
memory/3036-121-0x0000000005250000-0x000000000525B000-memory.dmp

Filesize
44KB

Download
memory/3036-120-0x0000000004E10000-0x000000000530E000-memory.dmp

Filesize
5.0MB

Download
memory/3036-114-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/3036-118-0x0000000004E10000-0x0000000004E11000-memory.dmp

Filesize
4KB

Download
memory/3036-117-0x0000000004D50000-0x0000000004D51000-memory.dmp

Filesize
4KB

Download
memory/3036-116-0x0000000005310000-0x0000000005311000-memory.dmp

Filesize
4KB

Download
memory/3884-124-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads