agenttesla | 9bdb5db36a0d82f4cbdc06a3cec49c6ba164be2b7c62e236d3b4ee3c5ebd73a1

General

Target

AWB #3827747403.exe
Size

967KB
MD5

85e3d11ed86882201474adead2d4b102
SHA1

05348ce84bc06ef24aa4ac35ad35e80cb8725565
SHA256

9bdb5db36a0d82f4cbdc06a3cec49c6ba164be2b7c62e236d3b4ee3c5ebd73a1
SHA512

542ee81c4a37e0f531193e26ab13cec295f57b9656d49616216c7f6e44c254e4aadfa0b8917b270db0364086d83346939382d1be844df752ca989c2814031cac
SSDEEP

12288:Z3yifFlLKHFjcsqUWv2ir0ZNKgjMOQKf5pV2cZD1+RLQT+OGzd70BmuFfJxUWbde:dyiFvTOKgIO7BD2cpdid70BDrSWbrc

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
marcellinus360

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
marcellinus360

Signatures

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

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-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	AWB #3827747403.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
51	api.ipify.org
52	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4020 set thread context of 4760	4020	AWB #3827747403.exe	105

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

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

T1053

pid	Process
1924	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3900	powershell.exe
3900	powershell.exe
4760	RegSvcs.exe
4760	RegSvcs.exe
4760	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3900	powershell.exe
Token: SeDebugPrivilege	4760	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4760	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4020 wrote to memory of 3900	4020	AWB #3827747403.exe	101
PID 4020 wrote to memory of 3900	4020	AWB #3827747403.exe	101
PID 4020 wrote to memory of 3900	4020	AWB #3827747403.exe	101
PID 4020 wrote to memory of 1924	4020	AWB #3827747403.exe	103
PID 4020 wrote to memory of 1924	4020	AWB #3827747403.exe	103
PID 4020 wrote to memory of 1924	4020	AWB #3827747403.exe	103
PID 4020 wrote to memory of 4760	4020	AWB #3827747403.exe	105
PID 4020 wrote to memory of 4760	4020	AWB #3827747403.exe	105
PID 4020 wrote to memory of 4760	4020	AWB #3827747403.exe	105
PID 4020 wrote to memory of 4760	4020	AWB #3827747403.exe	105
PID 4020 wrote to memory of 4760	4020	AWB #3827747403.exe	105
PID 4020 wrote to memory of 4760	4020	AWB #3827747403.exe	105
PID 4020 wrote to memory of 4760	4020	AWB #3827747403.exe	105
PID 4020 wrote to memory of 4760	4020	AWB #3827747403.exe	105

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\AWB #3827747403.exe
"C:\Users\Admin\AppData\Local\Temp\AWB #3827747403.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4020
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vUIJPhtxAlbHr.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3900
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vUIJPhtxAlbHr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6A04.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1924
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:4760

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dwpjqzjd.hkn.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6A04.tmp

Filesize
1KB

MD5
7e69a5892d503f4b3509ce2e3cf21a16

SHA1
c493c830473c6b579bab6a8816fb4bafdac9a0c4

SHA256
e9b19e4c90c6abb6ea6a55c2fe5f1d15c70d1ed50c640350867b529953be104a

SHA512
b225c05a2e98571dc3dfa29a874f9288fe3f9a40a53f6c98f668fed15c3e37a92fa95f496779654f89657fa44ca8f5d2d0eac277b4aec03509d6433e9ba052b9

Download Submit
memory/3900-163-0x00000000028D0000-0x00000000028E0000-memory.dmp

Filesize
64KB

Download
memory/3900-182-0x0000000007760000-0x00000000077F6000-memory.dmp

Filesize
600KB

Download
memory/3900-185-0x0000000007800000-0x0000000007808000-memory.dmp

Filesize
32KB

Download
memory/3900-164-0x00000000061E0000-0x00000000061FE000-memory.dmp

Filesize
120KB

Download
memory/3900-184-0x0000000007820000-0x000000000783A000-memory.dmp

Filesize
104KB

Download
memory/3900-183-0x0000000007710000-0x000000000771E000-memory.dmp

Filesize
56KB

Download
memory/3900-145-0x00000000028E0000-0x0000000002916000-memory.dmp

Filesize
216KB

Download
memory/3900-165-0x00000000028D0000-0x00000000028E0000-memory.dmp

Filesize
64KB

Download
memory/3900-147-0x00000000053A0000-0x00000000059C8000-memory.dmp

Filesize
6.2MB

Download
memory/3900-149-0x0000000005310000-0x0000000005332000-memory.dmp

Filesize
136KB

Download
memory/3900-150-0x0000000005A40000-0x0000000005AA6000-memory.dmp

Filesize
408KB

Download
memory/3900-181-0x000000007F720000-0x000000007F730000-memory.dmp

Filesize
64KB

Download
memory/3900-156-0x0000000005BA0000-0x0000000005C06000-memory.dmp

Filesize
408KB

Download
memory/3900-166-0x00000000067D0000-0x0000000006802000-memory.dmp

Filesize
200KB

Download
memory/3900-180-0x0000000007560000-0x000000000756A000-memory.dmp

Filesize
40KB

Download
memory/3900-179-0x00000000074E0000-0x00000000074FA000-memory.dmp

Filesize
104KB

Download
memory/3900-178-0x0000000007B30000-0x00000000081AA000-memory.dmp

Filesize
6.5MB

Download
memory/3900-177-0x0000000006790000-0x00000000067AE000-memory.dmp

Filesize
120KB

Download
memory/3900-162-0x00000000028D0000-0x00000000028E0000-memory.dmp

Filesize
64KB

Download
memory/3900-167-0x0000000070D70000-0x0000000070DBC000-memory.dmp

Filesize
304KB

Download
memory/4020-136-0x0000000007D00000-0x0000000007D0A000-memory.dmp

Filesize
40KB

Download
memory/4020-138-0x0000000007FE0000-0x0000000007FF0000-memory.dmp

Filesize
64KB

Download
memory/4020-133-0x0000000000D70000-0x0000000000E66000-memory.dmp

Filesize
984KB

Download
memory/4020-134-0x0000000008260000-0x0000000008804000-memory.dmp

Filesize
5.6MB

Download
memory/4020-135-0x0000000007D50000-0x0000000007DE2000-memory.dmp

Filesize
584KB

Download
memory/4020-137-0x0000000008090000-0x000000000812C000-memory.dmp

Filesize
624KB

Download
memory/4020-139-0x0000000007FE0000-0x0000000007FF0000-memory.dmp

Filesize
64KB

Download
memory/4760-161-0x0000000004F70000-0x0000000004F80000-memory.dmp

Filesize
64KB

Download
memory/4760-146-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4760-188-0x00000000064B0000-0x0000000006500000-memory.dmp

Filesize
320KB

Download
memory/4760-192-0x0000000004F70000-0x0000000004F80000-memory.dmp

Filesize
64KB

Download
memory/4760-193-0x0000000004F70000-0x0000000004F80000-memory.dmp

Filesize
64KB

Download
memory/4760-194-0x0000000004F70000-0x0000000004F80000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads