agenttesla | d33d3b2fc0555d5b478f2e06e1a11ddf7310d73e7f0dca11e5c6e94a02f0e4ff

General

Target

77eafe33151847045a09acab1689c50a.exe
Size

503KB
MD5

77eafe33151847045a09acab1689c50a
SHA1

2c522cfbae388470fe8a5ed0291b5001bb6d45b4
SHA256

d33d3b2fc0555d5b478f2e06e1a11ddf7310d73e7f0dca11e5c6e94a02f0e4ff
SHA512

03ffee96b26cd94eca7a0b15cb2ed44e30fe3364d95139305c87e96dc320b93f4ce664622c325afd004ec6bdd3544ce2dbe12a14b7a6475a51daf74e366d9919

Score

10^/10

agenttesla coreentity keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.officelog.org
Port:
587
Username:
ur@officelog.org
Password:
Wiremoney123.

Signatures

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

CoreEntity .NET Packer 1 IoCs

A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

coreentity

Processes:

resource	yara_rule
behavioral2/memory/4076-4-0x0000000002FC0000-0x0000000002FC2000-memory.dmp	coreentity

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3024-11-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral2/memory/3024-12-0x000000000044D1DE-mapping.dmp	family_agenttesla

rezer0 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral2/memory/4076-6-0x0000000005AD0000-0x0000000005B23000-memory.dmp	rezer0

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

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

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

Data from Local System
T1005

Credentials in Files
T1081
Suspicious use of SetThreadContext 1 IoCs

Processes:

77eafe33151847045a09acab1689c50a.exe

description pid process target process

PID 4076 set thread context of 3024 4076 77eafe33151847045a09acab1689c50a.exe 77eafe33151847045a09acab1689c50a.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

208 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

77eafe33151847045a09acab1689c50a.exe

pid process

3024 77eafe33151847045a09acab1689c50a.exe
3024 77eafe33151847045a09acab1689c50a.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

77eafe33151847045a09acab1689c50a.exe77eafe33151847045a09acab1689c50a.exe

description pid process

Token: SeDebugPrivilege 4076 77eafe33151847045a09acab1689c50a.exe
Token: SeDebugPrivilege 3024 77eafe33151847045a09acab1689c50a.exe

description	pid	process	target process
PID 4076 set thread context of 3024	4076	77eafe33151847045a09acab1689c50a.exe	77eafe33151847045a09acab1689c50a.exe

pid	process
208	schtasks.exe

pid	process
3024	77eafe33151847045a09acab1689c50a.exe
3024	77eafe33151847045a09acab1689c50a.exe

description	pid	process
Token: SeDebugPrivilege	4076	77eafe33151847045a09acab1689c50a.exe
Token: SeDebugPrivilege	3024	77eafe33151847045a09acab1689c50a.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

77eafe33151847045a09acab1689c50a.exe77eafe33151847045a09acab1689c50a.exe

description	pid	process	target process
PID 4076 wrote to memory of 208	4076	77eafe33151847045a09acab1689c50a.exe	schtasks.exe
PID 4076 wrote to memory of 208	4076	77eafe33151847045a09acab1689c50a.exe	schtasks.exe
PID 4076 wrote to memory of 208	4076	77eafe33151847045a09acab1689c50a.exe	schtasks.exe
PID 4076 wrote to memory of 3024	4076	77eafe33151847045a09acab1689c50a.exe	77eafe33151847045a09acab1689c50a.exe
PID 4076 wrote to memory of 3024	4076	77eafe33151847045a09acab1689c50a.exe	77eafe33151847045a09acab1689c50a.exe
PID 4076 wrote to memory of 3024	4076	77eafe33151847045a09acab1689c50a.exe	77eafe33151847045a09acab1689c50a.exe
PID 4076 wrote to memory of 3024	4076	77eafe33151847045a09acab1689c50a.exe	77eafe33151847045a09acab1689c50a.exe
PID 4076 wrote to memory of 3024	4076	77eafe33151847045a09acab1689c50a.exe	77eafe33151847045a09acab1689c50a.exe
PID 4076 wrote to memory of 3024	4076	77eafe33151847045a09acab1689c50a.exe	77eafe33151847045a09acab1689c50a.exe
PID 4076 wrote to memory of 3024	4076	77eafe33151847045a09acab1689c50a.exe	77eafe33151847045a09acab1689c50a.exe
PID 4076 wrote to memory of 3024	4076	77eafe33151847045a09acab1689c50a.exe	77eafe33151847045a09acab1689c50a.exe
PID 3024 wrote to memory of 2692	3024	77eafe33151847045a09acab1689c50a.exe	netsh.exe
PID 3024 wrote to memory of 2692	3024	77eafe33151847045a09acab1689c50a.exe	netsh.exe
PID 3024 wrote to memory of 2692	3024	77eafe33151847045a09acab1689c50a.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\77eafe33151847045a09acab1689c50a.exe
"C:\Users\Admin\AppData\Local\Temp\77eafe33151847045a09acab1689c50a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4076

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wtQvAxzi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4BE3.tmp"
2⤵
- Creates scheduled task(s)
PID:208

C:\Users\Admin\AppData\Local\Temp\77eafe33151847045a09acab1689c50a.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3024

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:2692

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

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\77eafe33151847045a09acab1689c50a.exe.log
MD5
179a315edc48c9f36389c2f6c6df7381

SHA1
eea81bdc49cdade53dbe305b9b6d1ed1226624ac

SHA256
8bc7fa3629a7470a1a58cd39660fa3f2387f620410560dbd337e809f102403b1

SHA512
12c6dabeb0d65e7e7966855a8c1efc8ac8580c206d451daa7e46b3d2e992da6195db16b6c3bb2c497de2352a485ac8f3e949b7e8b134e9860407d0c91f228a26

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4BE3.tmp
MD5
8c9af01f4d34a92b95fb45915842657f

SHA1
5d49d3f311887bd839ae0d0be9abe85ce21a9eb5

SHA256
cf92d36ea42cf419044683f88eb786ad70046765ad79015495eae8a4b6ef3e92

SHA512
d1721345b44799f6165cb200e2f7295c266e67f43e048e5b06d36302ceb0e22b640f6988379472d2ace21e85d511c8d1646e532612557920e2741edb357d73bd

Download Submit
memory/208-9-0x0000000000000000-mapping.dmp

Download
memory/2692-21-0x0000000000000000-mapping.dmp

Download
memory/3024-11-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3024-23-0x0000000006470000-0x0000000006471000-memory.dmp

Filesize
4KB

Download
memory/3024-20-0x0000000005C70000-0x0000000005C71000-memory.dmp

Filesize
4KB

Download
memory/3024-19-0x0000000005110000-0x0000000005111000-memory.dmp

Filesize
4KB

Download
memory/3024-14-0x00000000739A0000-0x000000007408E000-memory.dmp

Filesize
6.9MB

Download
memory/3024-12-0x000000000044D1DE-mapping.dmp

Download
memory/4076-3-0x0000000005570000-0x00000000055CF000-memory.dmp

Filesize
380KB

Download
memory/4076-4-0x0000000002FC0000-0x0000000002FC2000-memory.dmp

Filesize
8KB

Download
memory/4076-1-0x0000000000D40000-0x0000000000D41000-memory.dmp

Filesize
4KB

Download
memory/4076-0-0x00000000739A0000-0x000000007408E000-memory.dmp

Filesize
6.9MB

Download
memory/4076-8-0x0000000006170000-0x0000000006171000-memory.dmp

Filesize
4KB

Download
memory/4076-7-0x0000000005BD0000-0x0000000005BD1000-memory.dmp

Filesize
4KB

Download
memory/4076-6-0x0000000005AD0000-0x0000000005B23000-memory.dmp

Filesize
332KB

Download
memory/4076-5-0x0000000009B90000-0x0000000009B91000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads