agenttesla | 16f76c882a6d5cdbdcdc443d1fc80c52411a6768940a90e7864efe6aaca5dac8

Analysis

max time kernel
148s
max time network
68s
platform
windows10_x64
resource
win10v20210410
submitted
09/08/2021, 05:35

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
MV XIN HAI 588_vsl particulars.exe
Size 485KB
Sample210809-78grkm5n8x
SHA256 16f76c882a6d5cdbdcdc443d1fc80c52411a6768940a90e7864efe6aaca5dac8
MD5 ecbfa8953c4e37bb4033e9c14425a310
SHA1 c3daf12f3b96cdf94a924c34591f35200c81ccc1
SHA512 935fed26024a30db9656801a58bd52bfebc1cc9661e0ade455de6c13b3f5c8ad3fe791965eb50453e62745fe7f45f403c0a745ce23c17fbfcbc703f206f15971
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
smtp.bafaqroup.com
Port
587
Username
[email protected]
Password
bs%K^dS2

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/2676-134-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/2676-135-0x0000000000436A8E-mapping.dmp	family_agenttesla
behavioral2/memory/2676-141-0x0000000005500000-0x00000000059FE000-memory.dmp	family_agenttesla

Nirsoft 5 IoCs

resource	yara_rule
behavioral2/files/0x000300000001a2e0-126.dat	Nirsoft
behavioral2/files/0x000300000001a2e0-127.dat	Nirsoft
behavioral2/files/0x000300000001a2e0-129.dat	Nirsoft
behavioral2/files/0x000300000001a2e0-131.dat	Nirsoft
behavioral2/files/0x000300000001a2e0-133.dat	Nirsoft

Executes dropped EXE 4 IoCs

pid	Process
1176	AdvancedRun.exe
2112	AdvancedRun.exe
1120	AdvancedRun.exe
3820	AdvancedRun.exe

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

description	pid	Process	procid_target
PID 3100 set thread context of 2676	3100	MV XIN HAI 588_vsl particulars.exe	83

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1176	AdvancedRun.exe
1176	AdvancedRun.exe
1176	AdvancedRun.exe
1176	AdvancedRun.exe
2112	AdvancedRun.exe
2112	AdvancedRun.exe
2112	AdvancedRun.exe
2112	AdvancedRun.exe
1120	AdvancedRun.exe
1120	AdvancedRun.exe
1120	AdvancedRun.exe
1120	AdvancedRun.exe
3820	AdvancedRun.exe
3820	AdvancedRun.exe
3820	AdvancedRun.exe
3820	AdvancedRun.exe
3100	MV XIN HAI 588_vsl particulars.exe
3100	MV XIN HAI 588_vsl particulars.exe
2676	MV XIN HAI 588_vsl particulars.exe
2676	MV XIN HAI 588_vsl particulars.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	3100	MV XIN HAI 588_vsl particulars.exe
Token: SeDebugPrivilege	1176	AdvancedRun.exe
Token: SeImpersonatePrivilege	1176	AdvancedRun.exe
Token: SeDebugPrivilege	2112	AdvancedRun.exe
Token: SeImpersonatePrivilege	2112	AdvancedRun.exe
Token: SeDebugPrivilege	1120	AdvancedRun.exe
Token: SeImpersonatePrivilege	1120	AdvancedRun.exe
Token: SeDebugPrivilege	3820	AdvancedRun.exe
Token: SeImpersonatePrivilege	3820	AdvancedRun.exe
Token: SeDebugPrivilege	2676	MV XIN HAI 588_vsl particulars.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3100 wrote to memory of 1176	3100	MV XIN HAI 588_vsl particulars.exe	78
PID 3100 wrote to memory of 1176	3100	MV XIN HAI 588_vsl particulars.exe	78
PID 3100 wrote to memory of 1176	3100	MV XIN HAI 588_vsl particulars.exe	78
PID 1176 wrote to memory of 2112	1176	AdvancedRun.exe	79
PID 1176 wrote to memory of 2112	1176	AdvancedRun.exe	79
PID 1176 wrote to memory of 2112	1176	AdvancedRun.exe	79
PID 3100 wrote to memory of 1120	3100	MV XIN HAI 588_vsl particulars.exe	81
PID 3100 wrote to memory of 1120	3100	MV XIN HAI 588_vsl particulars.exe	81
PID 3100 wrote to memory of 1120	3100	MV XIN HAI 588_vsl particulars.exe	81
PID 1120 wrote to memory of 3820	1120	AdvancedRun.exe	82
PID 1120 wrote to memory of 3820	1120	AdvancedRun.exe	82
PID 1120 wrote to memory of 3820	1120	AdvancedRun.exe	82
PID 3100 wrote to memory of 2676	3100	MV XIN HAI 588_vsl particulars.exe	83
PID 3100 wrote to memory of 2676	3100	MV XIN HAI 588_vsl particulars.exe	83
PID 3100 wrote to memory of 2676	3100	MV XIN HAI 588_vsl particulars.exe	83
PID 3100 wrote to memory of 2676	3100	MV XIN HAI 588_vsl particulars.exe	83
PID 3100 wrote to memory of 2676	3100	MV XIN HAI 588_vsl particulars.exe	83
PID 3100 wrote to memory of 2676	3100	MV XIN HAI 588_vsl particulars.exe	83
PID 3100 wrote to memory of 2676	3100	MV XIN HAI 588_vsl particulars.exe	83
PID 3100 wrote to memory of 2676	3100	MV XIN HAI 588_vsl particulars.exe	83

C:\Users\Admin\AppData\Local\Temp\MV XIN HAI 588_vsl particulars.exe
"C:\Users\Admin\AppData\Local\Temp\MV XIN HAI 588_vsl particulars.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3100
- C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
  "C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /EXEFilename "C:\Windows\System32\sc.exe" /WindowState 0 /CommandLine "stop WinDefend" /StartDirectory "" /RunAs 8 /Run
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1176
- - C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
    "C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /SpecialRun 4101d8 1176
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2112
- C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
  "C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /EXEFilename "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" /WindowState 0 /CommandLine "rmdir 'C:\ProgramData\Microsoft\Windows Defender' -Recurse" /StartDirectory "" /RunAs 8 /Run
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1120
- - C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
    "C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /SpecialRun 4101d8 1120
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3820
- C:\Users\Admin\AppData\Local\Temp\MV XIN HAI 588_vsl particulars.exe
  "C:\Users\Admin\AppData\Local\Temp\MV XIN HAI 588_vsl particulars.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2676

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2676-143-0x0000000006280000-0x0000000006281000-memory.dmp

Download

memory/2676-142-0x00000000061F0000-0x00000000061F1000-memory.dmp

Download

memory/2676-141-0x0000000005500000-0x00000000059FE000-memory.dmp

Download

memory/2676-140-0x0000000005700000-0x0000000005701000-memory.dmp

Download

memory/2676-134-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/3100-117-0x0000000004C90000-0x0000000004C91000-memory.dmp

Download

memory/3100-121-0x0000000006690000-0x00000000066EA000-memory.dmp

Download

memory/3100-114-0x0000000000330000-0x0000000000331000-memory.dmp

Download

memory/3100-118-0x0000000004BD0000-0x0000000004BD1000-memory.dmp

Download

memory/3100-119-0x0000000006710000-0x0000000006711000-memory.dmp

Download

memory/3100-116-0x0000000005190000-0x0000000005191000-memory.dmp

Download

memory/3100-120-0x0000000004C40000-0x0000000004C41000-memory.dmp

Download

memory/3100-124-0x0000000006F40000-0x0000000006F4C000-memory.dmp

Download

memory/3100-123-0x0000000006860000-0x00000000068D4000-memory.dmp

Download

memory/3100-122-0x0000000006790000-0x0000000006791000-memory.dmp

Download