agenttesla | 936fa9d5f9708a96f2e8cc270deb24518d047450e0618c6c22753d97a7589177

General

Target

Scan copy_001.exe
Size

947KB
MD5

45d964682ea37a0809803e813638017f
SHA1

9d6c3495865736235e55d8384832e9f09cb70896
SHA256

b7ee1c6ebcc9675e5e1e3743b03a712c5e789f9b456275c05b35502bea6131e6
SHA512

e4b2d060dd4066534cc6c8e726f7e41e637ad6a0203dc36c59d75eb136a366695adcbe363eb8627e4df46f659821d6fea85995c28686dd2453aa14ba4a727356
SSDEEP

12288:ZXQZnf1pZRNtMLHK7zMWM9IZoFhK5zM66MXo8QR8T+JqS25lsxW9gf+NLIRljvfm:efXTs9Ktl7Yf2SoPfsMdIR9h

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.shivsundaram.com
Port:
587
Username:
[email protected]
Password:
hemant@10023

Signatures

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

AgentTesla payload 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2764-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2764-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2764-23-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2764-25-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2764-28-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2764-30-0x00000000003B0000-0x00000000003F0000-memory.dmp	family_agenttesla
behavioral1/memory/2764-33-0x00000000003B0000-0x00000000003F0000-memory.dmp	family_agenttesla

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

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Scan copy_001.exe

description pid process target process

PID 2020 set thread context of 2764 2020 Scan copy_001.exe RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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/Job
T1053

Processes:

schtasks.exe

pid process

2068 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

2764 RegSvcs.exe
2764 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 2764 RegSvcs.exe

description	pid	process	target process
PID 2020 set thread context of 2764	2020	Scan copy_001.exe	RegSvcs.exe

pid	process
2068	schtasks.exe

pid	process
2764	RegSvcs.exe
2764	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2764	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

Scan copy_001.exe

description	pid	process	target process
PID 2020 wrote to memory of 2068	2020	Scan copy_001.exe	schtasks.exe
PID 2020 wrote to memory of 2068	2020	Scan copy_001.exe	schtasks.exe
PID 2020 wrote to memory of 2068	2020	Scan copy_001.exe	schtasks.exe
PID 2020 wrote to memory of 2068	2020	Scan copy_001.exe	schtasks.exe
PID 2020 wrote to memory of 2764	2020	Scan copy_001.exe	RegSvcs.exe
PID 2020 wrote to memory of 2764	2020	Scan copy_001.exe	RegSvcs.exe
PID 2020 wrote to memory of 2764	2020	Scan copy_001.exe	RegSvcs.exe
PID 2020 wrote to memory of 2764	2020	Scan copy_001.exe	RegSvcs.exe
PID 2020 wrote to memory of 2764	2020	Scan copy_001.exe	RegSvcs.exe
PID 2020 wrote to memory of 2764	2020	Scan copy_001.exe	RegSvcs.exe
PID 2020 wrote to memory of 2764	2020	Scan copy_001.exe	RegSvcs.exe
PID 2020 wrote to memory of 2764	2020	Scan copy_001.exe	RegSvcs.exe
PID 2020 wrote to memory of 2764	2020	Scan copy_001.exe	RegSvcs.exe
PID 2020 wrote to memory of 2764	2020	Scan copy_001.exe	RegSvcs.exe
PID 2020 wrote to memory of 2764	2020	Scan copy_001.exe	RegSvcs.exe
PID 2020 wrote to memory of 2764	2020	Scan copy_001.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Scan copy_001.exe
"C:\Users\Admin\AppData\Local\Temp\Scan copy_001.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FcKakBL" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAD21.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2068
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2764

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpAD21.tmp

Filesize
1KB

MD5
c391d383417a325fe59047f2ca7c193c

SHA1
fbc74c57249d64165d72a0d78336a31f4b88de79

SHA256
c54087c0d2d7ebcf698a5badf6dbd179d962137b5aeb356e6945fcf1488d1adb

SHA512
7bc23e0b8a5ad15ff5860916807997f3d3718022aa2956ee6637da747b4bcb320f9703d746bc48b97dd044ad7aa3c2976ab30b474ac92878f8f34e727d5413e9

Download Submit
memory/2020-1-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2020-0-0x00000000003C0000-0x00000000004B4000-memory.dmp

Filesize
976KB

Download
memory/2020-2-0x0000000004F40000-0x0000000004F80000-memory.dmp

Filesize
256KB

Download
memory/2020-3-0x00000000043A0000-0x00000000043B6000-memory.dmp

Filesize
88KB

Download
memory/2020-4-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2020-5-0x0000000004F40000-0x0000000004F80000-memory.dmp

Filesize
256KB

Download
memory/2020-6-0x0000000005710000-0x00000000057B2000-memory.dmp

Filesize
648KB

Download
memory/2020-7-0x0000000004EB0000-0x0000000004EEC000-memory.dmp

Filesize
240KB

Download
memory/2020-27-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2764-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2764-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2764-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2764-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2764-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2764-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2764-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2764-28-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2764-29-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2764-30-0x00000000003B0000-0x00000000003F0000-memory.dmp

Filesize
256KB

Download
memory/2764-32-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2764-33-0x00000000003B0000-0x00000000003F0000-memory.dmp

Filesize
256KB

Download
memory/2764-35-0x00000000003B0000-0x00000000003F0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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