agenttesla | 2391c9beb21916a6b7f18cd2dadf9f9c19a060b75791f6052e65a683161d7a60

General

Target
ARRIVAL NOTICE & INVOICE.exe
Size 896KB
Sample200828-gem4fdv1as
SHA256 2391c9beb21916a6b7f18cd2dadf9f9c19a060b75791f6052e65a683161d7a60
MD5 826a766370c80d2d2ab2d970dc9ef1c2
SHA1 10430128f54035e586154eff4dcac64f0b12bb10
SHA512 4d9e54ab4b7f8c0a4efa1af00f2a6b750196cce5ccc09d8ddfb59c6c04fdd83cac71fac512d483253a73c1efc79ba7c80d3553285307ace103f4599542d9ffa0
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
us2.smtp.mailhostbox.com
Port
587
Username
[email protected]
Password
stanstan22

Signatures

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

AgentTesla Payload 2 IoCs

resource	yara_rule
behavioral2/memory/3936-5-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral2/memory/3936-6-0x000000000045340E-mapping.dmp	family_agenttesla

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

description	pid	Process	procid_target
PID 4040 set thread context of 3936	4040	ARRIVAL NOTICE & INVOICE.exe	72

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\ServiceProfiles\LocalService\winhttp\cachev3.dat	svchost.exe

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

System Information Discovery
T1082

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecision = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionReason = "1"	svchost.exe
Set value (data)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionTime = bbfe7114547dd601	svchost.exe

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe:Zone.Identifier	cmd.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4040	ARRIVAL NOTICE & INVOICE.exe
4040	ARRIVAL NOTICE & INVOICE.exe
3936	ARRIVAL NOTICE & INVOICE.exe
3936	ARRIVAL NOTICE & INVOICE.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	632	svchost.exe
Token: SeCreatePagefilePrivilege	632	svchost.exe
Token: SeDebugPrivilege	4040	ARRIVAL NOTICE & INVOICE.exe
Token: SeDebugPrivilege	3936	ARRIVAL NOTICE & INVOICE.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4040 wrote to memory of 3936	4040	ARRIVAL NOTICE & INVOICE.exe	72
PID 4040 wrote to memory of 3936	4040	ARRIVAL NOTICE & INVOICE.exe	72
PID 4040 wrote to memory of 3936	4040	ARRIVAL NOTICE & INVOICE.exe	72
PID 4040 wrote to memory of 3936	4040	ARRIVAL NOTICE & INVOICE.exe	72
PID 4040 wrote to memory of 3936	4040	ARRIVAL NOTICE & INVOICE.exe	72
PID 4040 wrote to memory of 3936	4040	ARRIVAL NOTICE & INVOICE.exe	72
PID 4040 wrote to memory of 3936	4040	ARRIVAL NOTICE & INVOICE.exe	72
PID 4040 wrote to memory of 3936	4040	ARRIVAL NOTICE & INVOICE.exe	72
PID 4040 wrote to memory of 3132	4040	ARRIVAL NOTICE & INVOICE.exe	76
PID 4040 wrote to memory of 3132	4040	ARRIVAL NOTICE & INVOICE.exe	76
PID 4040 wrote to memory of 3132	4040	ARRIVAL NOTICE & INVOICE.exe	76
PID 4040 wrote to memory of 4016	4040	ARRIVAL NOTICE & INVOICE.exe	78
PID 4040 wrote to memory of 4016	4040	ARRIVAL NOTICE & INVOICE.exe	78
PID 4040 wrote to memory of 4016	4040	ARRIVAL NOTICE & INVOICE.exe	78
PID 4016 wrote to memory of 3820	4016	cmd.exe	80
PID 4016 wrote to memory of 3820	4016	cmd.exe	80
PID 4016 wrote to memory of 3820	4016	cmd.exe	80
PID 4040 wrote to memory of 1784	4040	ARRIVAL NOTICE & INVOICE.exe	81
PID 4040 wrote to memory of 1784	4040	ARRIVAL NOTICE & INVOICE.exe	81
PID 4040 wrote to memory of 1784	4040	ARRIVAL NOTICE & INVOICE.exe	81

C:\Users\Admin\AppData\Local\Temp\ARRIVAL NOTICE & INVOICE.exe
"C:\Users\Admin\AppData\Local\Temp\ARRIVAL NOTICE & INVOICE.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4040
- C:\Users\Admin\AppData\Local\Temp\ARRIVAL NOTICE & INVOICE.exe
  "C:/Users/Admin/AppData/Local/Temp/ARRIVAL NOTICE & INVOICE.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3936
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:/Users/Admin/AppData/Local/Temp/ARRIVAL NOTICE & INVOICE.exe" "%temp%\FolderN\name.exe" /Y
  2⤵
  PID:3132
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "%temp%\FolderN\name.exe.lnk" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4016
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe.lnk" /f
    3⤵
    PID:3820
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > %temp%\FolderN\name.exe:Zone.Identifier
  2⤵
  - NTFS ADS
  PID:1784

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:632

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/3936-17-0x0000000005670000-0x0000000005671000-memory.dmp

Download

memory/3936-5-0x0000000000400000-0x0000000000458000-memory.dmp

Download

memory/3936-7-0x0000000073380000-0x0000000073A6E000-memory.dmp

Download

memory/3936-10-0x0000000005D00000-0x0000000005D01000-memory.dmp

Download

memory/3936-20-0x0000000006AE0000-0x0000000006AE1000-memory.dmp

Download

memory/3936-19-0x0000000006B50000-0x0000000006B51000-memory.dmp

Download

memory/3936-18-0x0000000006200000-0x0000000006201000-memory.dmp

Download

memory/4040-1-0x0000000000770000-0x0000000000771000-memory.dmp

Download

memory/4040-3-0x0000000005080000-0x0000000005081000-memory.dmp

Download

memory/4040-4-0x0000000005150000-0x00000000051AB000-memory.dmp

Download

memory/4040-0-0x0000000073380000-0x0000000073A6E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads