agenttesla | 71a4df5f7ec7a6fc953f090d09b068a43b7fb10ae0050d759f32aa2e48c8377a

Analysis

max time kernel
146s
max time network
148s
platform
windows10_x64
resource
win10v200722
submitted
10/09/2020, 05:32

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General

Target
RFQ 11054 -Items.exe
Size 890KB
Sample200910-vb4y3jgq6x
SHA256 71a4df5f7ec7a6fc953f090d09b068a43b7fb10ae0050d759f32aa2e48c8377a
MD5 600ceabb2d0a62346a5969353e70105d
SHA1 5dfba50ef6457f7d9c17a80f6b6da9afc60ee7e2
SHA512 755d16e91a548f8997c72879f5026713ccd14cca087646e40dd9f9f503bda6fd76a59c25822c563c6a50c444ea2d75f6774f483786c38db5e0348f3c801c63b9
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
smtp.yandex.com
Port
587
Username
[email protected]
Password
mathins

Signatures

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

AgentTesla Payload 3 IoCs

resource	yara_rule
behavioral2/memory/2560-3-0x00000000004A27E0-mapping.dmp	family_agenttesla
behavioral2/memory/2560-6-0x0000000000400000-0x00000000004A4000-memory.dmp	family_agenttesla
behavioral2/memory/2560-7-0x0000000002150000-0x000000000219C000-memory.dmp	family_agenttesla

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2560-2-0x0000000000400000-0x00000000004A4000-memory.dmp	upx
behavioral2/memory/2560-5-0x0000000000400000-0x00000000004A4000-memory.dmp	upx
behavioral2/memory/2560-6-0x0000000000400000-0x00000000004A4000-memory.dmp	upx

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FILE.vbs	notepad.exe

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

description	pid	Process	procid_target
PID 3952 set thread context of 2560	3952	RFQ 11054 -Items.exe	73

Drops file in Windows directory 1 IoCs

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

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionTime = 44cbbefd4487d601	svchost.exe
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

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3952	RFQ 11054 -Items.exe
3952	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3952	RFQ 11054 -Items.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1592	svchost.exe
Token: SeCreatePagefilePrivilege	1592	svchost.exe
Token: SeDebugPrivilege	2560	RFQ 11054 -Items.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3952	RFQ 11054 -Items.exe
3952	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe
2652	RFQ 11054 -Items.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3952 wrote to memory of 2428	3952	RFQ 11054 -Items.exe	72
PID 3952 wrote to memory of 2428	3952	RFQ 11054 -Items.exe	72
PID 3952 wrote to memory of 2428	3952	RFQ 11054 -Items.exe	72
PID 3952 wrote to memory of 2428	3952	RFQ 11054 -Items.exe	72
PID 3952 wrote to memory of 2428	3952	RFQ 11054 -Items.exe	72
PID 3952 wrote to memory of 2560	3952	RFQ 11054 -Items.exe	73
PID 3952 wrote to memory of 2560	3952	RFQ 11054 -Items.exe	73
PID 3952 wrote to memory of 2560	3952	RFQ 11054 -Items.exe	73
PID 3952 wrote to memory of 2652	3952	RFQ 11054 -Items.exe	74
PID 3952 wrote to memory of 2652	3952	RFQ 11054 -Items.exe	74
PID 3952 wrote to memory of 2652	3952	RFQ 11054 -Items.exe	74

C:\Users\Admin\AppData\Local\Temp\RFQ 11054 -Items.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ 11054 -Items.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3952
- C:\Windows\SysWOW64\notepad.exe
  "C:\Windows\system32\notepad.exe"
  2⤵
  - Drops startup file
  PID:2428
- C:\Users\Admin\AppData\Local\Temp\RFQ 11054 -Items.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ 11054 -Items.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2560
- C:\Users\Admin\AppData\Local\Temp\RFQ 11054 -Items.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ 11054 -Items.exe" 2 2560 259294296
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2652

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:1592

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2560-2-0x0000000000400000-0x00000000004A4000-memory.dmp

Download

memory/2560-5-0x0000000000400000-0x00000000004A4000-memory.dmp

Download

memory/2560-6-0x0000000000400000-0x00000000004A4000-memory.dmp

Download

memory/2560-7-0x0000000002150000-0x000000000219C000-memory.dmp

Download

memory/2560-9-0x0000000002242000-0x0000000002243000-memory.dmp

Download

memory/2652-8-0x0000000000400000-0x00000000004E5000-memory.dmp

Download

memory/3952-0-0x0000000000400000-0x00000000004E5000-memory.dmp

Download