agenttesla | 6c13935ce459215baf7b863cf206747125cacca60793e81ca06ee66139eeba79

General

Target

tmp.exe
Size

455KB
MD5

f383aca77ec8694ab609f6c6ee464bde
SHA1

836abb931164edf8ea1ec1437b94eed0fc568049
SHA256

6c13935ce459215baf7b863cf206747125cacca60793e81ca06ee66139eeba79
SHA512

7acba871babb6cba09d1e444387d4d282f65b951b16127145521cd70915995425de6efc72a5f6400c81371734e5a47eaa33ed76ce06586f45fc8df1108af4040

Score

10^/10

agenttesla asyncrat venom clients collection keylogger rat spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
odin.mk-host.com
Port:
587
Username:
[email protected]
Password:
Hotel2020#

Extracted

Family

asyncrat

Version

5.0.5

Botnet

Venom Clients

C2

194.5.97.88:5050

Mutex

Venom_RAT_HVNC_Mutex_Venom RAT_HVNC

Attributes

delay
1
install
false
install_folder
%AppData%

aes.plain

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
odin.mk-host.com
Port:
587
Username:
[email protected]
Password:
Hotel2020#
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
rat asyncrat

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/3960-137-0x0000000000400000-0x0000000000416000-memory.dmp	asyncrat

Executes dropped EXE 3 IoCs

pid	Process
3960	InstallUtil.exe
1908	QWAS.exe
4124	RegAsm.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	InstallUtil.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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4772 set thread context of 3960	4772	tmp.exe	87
PID 1908 set thread context of 4124	1908	QWAS.exe	104

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 9 IoCs

pid	Process
4772	tmp.exe
4772	tmp.exe
1460	powershell.exe
3960	InstallUtil.exe
1460	powershell.exe
1908	QWAS.exe
1908	QWAS.exe
4124	RegAsm.exe
4124	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	4772	tmp.exe
Token: SeDebugPrivilege	3960	InstallUtil.exe
Token: SeDebugPrivilege	1460	powershell.exe
Token: SeDebugPrivilege	1908	QWAS.exe
Token: SeDebugPrivilege	4124	RegAsm.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 4772 wrote to memory of 3960	4772	tmp.exe	87
PID 4772 wrote to memory of 3960	4772	tmp.exe	87
PID 4772 wrote to memory of 3960	4772	tmp.exe	87
PID 4772 wrote to memory of 3960	4772	tmp.exe	87
PID 4772 wrote to memory of 3960	4772	tmp.exe	87
PID 4772 wrote to memory of 3960	4772	tmp.exe	87
PID 4772 wrote to memory of 3960	4772	tmp.exe	87
PID 4772 wrote to memory of 3960	4772	tmp.exe	87
PID 3960 wrote to memory of 5096	3960	InstallUtil.exe	96
PID 3960 wrote to memory of 5096	3960	InstallUtil.exe	96
PID 3960 wrote to memory of 5096	3960	InstallUtil.exe	96
PID 5096 wrote to memory of 1460	5096	cmd.exe	98
PID 5096 wrote to memory of 1460	5096	cmd.exe	98
PID 5096 wrote to memory of 1460	5096	cmd.exe	98
PID 1460 wrote to memory of 1908	1460	powershell.exe	101
PID 1460 wrote to memory of 1908	1460	powershell.exe	101
PID 1460 wrote to memory of 1908	1460	powershell.exe	101
PID 1908 wrote to memory of 4124	1908	QWAS.exe	104
PID 1908 wrote to memory of 4124	1908	QWAS.exe	104
PID 1908 wrote to memory of 4124	1908	QWAS.exe	104
PID 1908 wrote to memory of 4124	1908	QWAS.exe	104
PID 1908 wrote to memory of 4124	1908	QWAS.exe	104
PID 1908 wrote to memory of 4124	1908	QWAS.exe	104
PID 1908 wrote to memory of 4124	1908	QWAS.exe	104
PID 1908 wrote to memory of 4124	1908	QWAS.exe	104

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4772
- C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
  "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3960
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c start /b powershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\Admin\AppData\Local\Temp\QWAS.exe"' & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:5096
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\Admin\AppData\Local\Temp\QWAS.exe"'
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1460
    - - C:\Users\Admin\AppData\Local\Temp\QWAS.exe
        
        "C:\Users\Admin\AppData\Local\Temp\QWAS.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:1908
      - C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
        
        "C:\Users\Admin\AppData\Local\Temp\RegAsm.exe"
        6⤵
        Executes dropped EXE
        Accesses Microsoft Outlook profiles
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        outlook_office_path
        outlook_win_path
        
        PID:4124

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

Filesize
41KB

MD5
5d4073b2eb6d217c19f2b22f21bf8d57

SHA1
f0209900fbf08d004b886a0b3ba33ea2b0bf9da8

SHA256
ac1a3f21fcc88f9cee7bf51581eafba24cc76c924f0821deb2afdf1080ddf3d3

SHA512
9ac94880684933ba3407cdc135abc3047543436567af14cd9269c4adc5a6535db7b867d6de0d6238a21b94e69f9890dbb5739155871a624520623a7e56872159

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

Filesize
41KB

MD5
5d4073b2eb6d217c19f2b22f21bf8d57

SHA1
f0209900fbf08d004b886a0b3ba33ea2b0bf9da8

SHA256
ac1a3f21fcc88f9cee7bf51581eafba24cc76c924f0821deb2afdf1080ddf3d3

SHA512
9ac94880684933ba3407cdc135abc3047543436567af14cd9269c4adc5a6535db7b867d6de0d6238a21b94e69f9890dbb5739155871a624520623a7e56872159

Download Submit
C:\Users\Admin\AppData\Local\Temp\QWAS.exe

Filesize
682KB

MD5
0c333ed8bb368bd1f442e429d25468bf

SHA1
17caab2afdb4338cea5161abe9b4f1137585afcd

SHA256
ad0b97333d1e6ea935fdc6a610f9eeea8fe2f1fcbadcf2c721aa7d1e4149618d

SHA512
a5f2e72c3852cca0b19e89e03cf97db21d030ede8743ad102bf4c3f9bde21a8156f24847766a54163064becdceaef2f482c53f940a58c2a5dc2205ab40a3104b

Download Submit
C:\Users\Admin\AppData\Local\Temp\QWAS.exe

Filesize
682KB

MD5
0c333ed8bb368bd1f442e429d25468bf

SHA1
17caab2afdb4338cea5161abe9b4f1137585afcd

SHA256
ad0b97333d1e6ea935fdc6a610f9eeea8fe2f1fcbadcf2c721aa7d1e4149618d

SHA512
a5f2e72c3852cca0b19e89e03cf97db21d030ede8743ad102bf4c3f9bde21a8156f24847766a54163064becdceaef2f482c53f940a58c2a5dc2205ab40a3104b

Download Submit
C:\Users\Admin\AppData\Local\Temp\RegAsm.exe

Filesize
63KB

MD5
0d5df43af2916f47d00c1573797c1a13

SHA1
230ab5559e806574d26b4c20847c368ed55483b0

SHA256
c066aee7aa3aa83f763ebc5541daa266ed6c648fbffcde0d836a13b221bb2adc

SHA512
f96cf9e1890746b12daf839a6d0f16f062b72c1b8a40439f96583f242980f10f867720232a6fa0f7d4d7ac0a7a6143981a5a130d6417ea98b181447134c7cfe2

Download Submit
C:\Users\Admin\AppData\Local\Temp\RegAsm.exe

Filesize
63KB

MD5
0d5df43af2916f47d00c1573797c1a13

SHA1
230ab5559e806574d26b4c20847c368ed55483b0

SHA256
c066aee7aa3aa83f763ebc5541daa266ed6c648fbffcde0d836a13b221bb2adc

SHA512
f96cf9e1890746b12daf839a6d0f16f062b72c1b8a40439f96583f242980f10f867720232a6fa0f7d4d7ac0a7a6143981a5a130d6417ea98b181447134c7cfe2

Download Submit
memory/1460-151-0x0000000006D40000-0x0000000006D62000-memory.dmp

Filesize
136KB

Download
memory/1460-150-0x0000000006CF0000-0x0000000006D0A000-memory.dmp

Filesize
104KB

Download
memory/1460-149-0x0000000006D70000-0x0000000006E06000-memory.dmp

Filesize
600KB

Download
memory/1460-148-0x0000000006810000-0x000000000682E000-memory.dmp

Filesize
120KB

Download
memory/1460-147-0x0000000006150000-0x00000000061B6000-memory.dmp

Filesize
408KB

Download
memory/1460-146-0x0000000005960000-0x0000000005F88000-memory.dmp

Filesize
6.2MB

Download
memory/1460-145-0x0000000002F30000-0x0000000002F66000-memory.dmp

Filesize
216KB

Download
memory/1908-155-0x0000000000CB0000-0x0000000000D60000-memory.dmp

Filesize
704KB

Download
memory/3960-142-0x0000000006800000-0x000000000681E000-memory.dmp

Filesize
120KB

Download
memory/3960-141-0x0000000006760000-0x00000000067D6000-memory.dmp

Filesize
472KB

Download
memory/3960-140-0x00000000057F0000-0x0000000005856000-memory.dmp

Filesize
408KB

Download
memory/3960-137-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4124-157-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4124-160-0x0000000006A50000-0x0000000006AA0000-memory.dmp

Filesize
320KB

Download
memory/4772-134-0x0000000006020000-0x000000000602A000-memory.dmp

Filesize
40KB

Download
memory/4772-130-0x0000000000660000-0x00000000006D6000-memory.dmp

Filesize
472KB

Download
memory/4772-133-0x00000000051C0000-0x000000000525C000-memory.dmp

Filesize
624KB

Download
memory/4772-135-0x000000000DD80000-0x000000000DDA2000-memory.dmp

Filesize
136KB

Download
memory/4772-132-0x0000000005080000-0x0000000005112000-memory.dmp

Filesize
584KB

Download
memory/4772-131-0x0000000005590000-0x0000000005B34000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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