agenttesla | d0410b6f47833d94097b4641df6b0d27cba6b84d29ee89cb27665d694e930fdb

General

Target

Invoice and client details.pdf'.exe
Size

493KB
MD5

ade7e98755e204c575754c578d9806b8
SHA1

5c833bf110f91e5ec7f541a2af60a7faf46fe0c8
SHA256

8bacca094f83e0486702d5c22a551a5a52ee7dab8ed6daad0b2881c57a1127ce
SHA512

f667354b0158c2f31c8c6253b4abdf77e214cac1f9bba083b5728dc980ea671630c47e370506a5df17588357074b966ec9ab4fc2314f8ee95fcb9291ec65dae2

Score

10^/10

agenttesla evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.hotel71.com.bd
Port:
587
Username:
chat@hotel71.com.bd
Password:
9+^va&phP1v9

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/396-136-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

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

Processes:

RegSvcs.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Invoice and client details.pdf'.exe

description pid process target process

PID 3108 set thread context of 396 3108 Invoice and client details.pdf'.exe RegSvcs.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3324 396 WerFault.exe RegSvcs.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

1424 REG.exe

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

description	pid	process	target process
PID 3108 set thread context of 396	3108	Invoice and client details.pdf'.exe	RegSvcs.exe

pid	pid_target	process	target process
3324	396	WerFault.exe	RegSvcs.exe

pid	process
1424	REG.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

Invoice and client details.pdf'.exeRegSvcs.exe

pid	process
3108	Invoice and client details.pdf'.exe
3108	Invoice and client details.pdf'.exe
3108	Invoice and client details.pdf'.exe
396	RegSvcs.exe
396	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Invoice and client details.pdf'.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 3108 Invoice and client details.pdf'.exe
Token: SeDebugPrivilege 396 RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3108	Invoice and client details.pdf'.exe
Token: SeDebugPrivilege	396	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Invoice and client details.pdf'.exeRegSvcs.exe

description	pid	process	target process
PID 3108 wrote to memory of 396	3108	Invoice and client details.pdf'.exe	RegSvcs.exe
PID 3108 wrote to memory of 396	3108	Invoice and client details.pdf'.exe	RegSvcs.exe
PID 3108 wrote to memory of 396	3108	Invoice and client details.pdf'.exe	RegSvcs.exe
PID 3108 wrote to memory of 396	3108	Invoice and client details.pdf'.exe	RegSvcs.exe
PID 3108 wrote to memory of 396	3108	Invoice and client details.pdf'.exe	RegSvcs.exe
PID 3108 wrote to memory of 396	3108	Invoice and client details.pdf'.exe	RegSvcs.exe
PID 3108 wrote to memory of 396	3108	Invoice and client details.pdf'.exe	RegSvcs.exe
PID 3108 wrote to memory of 396	3108	Invoice and client details.pdf'.exe	RegSvcs.exe
PID 396 wrote to memory of 1424	396	RegSvcs.exe	REG.exe
PID 396 wrote to memory of 1424	396	RegSvcs.exe	REG.exe
PID 396 wrote to memory of 1424	396	RegSvcs.exe	REG.exe
PID 396 wrote to memory of 2028	396	RegSvcs.exe	netsh.exe
PID 396 wrote to memory of 2028	396	RegSvcs.exe	netsh.exe
PID 396 wrote to memory of 2028	396	RegSvcs.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\Invoice and client details.pdf'.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice and client details.pdf'.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3108

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:396

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:1424

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:2028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 396 -s 1748
3⤵
- Program crash
PID:3324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 396 -ip 396
1⤵
PID:768

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/396-135-0x0000000000000000-mapping.dmp

Download
memory/396-136-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/396-137-0x0000000005D30000-0x0000000005D96000-memory.dmp

Filesize
408KB

Download
memory/396-139-0x0000000007950000-0x00000000079A0000-memory.dmp

Filesize
320KB

Download
memory/1424-138-0x0000000000000000-mapping.dmp

Download
memory/2028-140-0x0000000000000000-mapping.dmp

Download
memory/3108-130-0x0000000000800000-0x0000000000884000-memory.dmp

Filesize
528KB

Download
memory/3108-131-0x0000000007F30000-0x00000000084D4000-memory.dmp

Filesize
5.6MB

Download
memory/3108-132-0x0000000007B60000-0x0000000007BF2000-memory.dmp

Filesize
584KB

Download
memory/3108-133-0x0000000007AF0000-0x0000000007AFA000-memory.dmp

Filesize
40KB

Download
memory/3108-134-0x000000000A470000-0x000000000A50C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads