agenttesla | 4896d44c5a38409245c325f61876345a7ee8d8741905af4c0d2910baa2386dbc

General

Target

Documents.exe
Size

1.1MB
MD5

870c75311ace0bfc0493e146683aa461
SHA1

40a14357cf0a5e660f420959b9aa2e39860fe71e
SHA256

4896d44c5a38409245c325f61876345a7ee8d8741905af4c0d2910baa2386dbc
SHA512

d67fd1df37dfe1a23a4ca142a0e9b69e0a0921ed894c67585198f026fcbce1dbf2462d2d453bd33be76e7093fd5752d9f80643761c26453308461e3dae1a0b34
SSDEEP

24576:e+12zVZ97VL7N9Eapjbj6UsgkfE7b4Z1bQkv65:DAR37HPe6GZZ/

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.rapidcheckng.com
Port:
587
Username:
[email protected]
Password:
@Rapidcheckng#
Email To:
[email protected]

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

Processes:

Documents.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	Documents.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\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.

Processes:

flow ioc

42 api.ipify.org
43 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Documents.exe

description pid process target process

PID 4720 set thread context of 3320 4720 Documents.exe RegSvcs.exe
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

Processes:

schtasks.exe

pid process

2200 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Documents.exepowershell.exe

pid process

4720 Documents.exe
4720 Documents.exe
2116 powershell.exe
2116 powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Documents.exepowershell.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 4720 Documents.exe
Token: SeDebugPrivilege 2116 powershell.exe
Token: SeDebugPrivilege 3320 RegSvcs.exe

flow	ioc
42	api.ipify.org
43	api.ipify.org

description	pid	process	target process
PID 4720 set thread context of 3320	4720	Documents.exe	RegSvcs.exe

pid	process
2200	schtasks.exe

pid	process
4720	Documents.exe
4720	Documents.exe
2116	powershell.exe
2116	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4720	Documents.exe
Token: SeDebugPrivilege	2116	powershell.exe
Token: SeDebugPrivilege	3320	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Documents.exe

description	pid	process	target process
PID 4720 wrote to memory of 2116	4720	Documents.exe	powershell.exe
PID 4720 wrote to memory of 2116	4720	Documents.exe	powershell.exe
PID 4720 wrote to memory of 2116	4720	Documents.exe	powershell.exe
PID 4720 wrote to memory of 2200	4720	Documents.exe	schtasks.exe
PID 4720 wrote to memory of 2200	4720	Documents.exe	schtasks.exe
PID 4720 wrote to memory of 2200	4720	Documents.exe	schtasks.exe
PID 4720 wrote to memory of 3320	4720	Documents.exe	RegSvcs.exe
PID 4720 wrote to memory of 3320	4720	Documents.exe	RegSvcs.exe
PID 4720 wrote to memory of 3320	4720	Documents.exe	RegSvcs.exe
PID 4720 wrote to memory of 3320	4720	Documents.exe	RegSvcs.exe
PID 4720 wrote to memory of 3320	4720	Documents.exe	RegSvcs.exe
PID 4720 wrote to memory of 3320	4720	Documents.exe	RegSvcs.exe
PID 4720 wrote to memory of 3320	4720	Documents.exe	RegSvcs.exe
PID 4720 wrote to memory of 3320	4720	Documents.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

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

Processes:

RegSvcs.exe

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\Documents.exe
"C:\Users\Admin\AppData\Local\Temp\Documents.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4720
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JdjuzhQjWTPa.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2116
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JdjuzhQjWTPa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6DDD.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2200
- 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 use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3320

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_bzedrmdl.b3j.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6DDD.tmp

Filesize
1KB

MD5
181f5e45f60a8e32ee068c9cb2d32268

SHA1
52b1bc8e7ca74a82dae65d2f2ae9149ea1ac1096

SHA256
61c3cfd3293b0bc687a9de24f5be183e8273a671e904e98d39595e34d67c0026

SHA512
c1f67df4ba8fbf459dd8c9dd73e8b767891aa91bc5314ff951b1014883dc073e492bf7e668426c17cda693aaef51c7bb3eaf2acfe04b8ceb2827fdd8c5db2495

Download Submit
memory/2116-179-0x0000000007B90000-0x000000000820A000-memory.dmp

Filesize
6.5MB

Download
memory/2116-186-0x0000000007890000-0x00000000078AA000-memory.dmp

Filesize
104KB

Download
memory/2116-187-0x0000000007870000-0x0000000007878000-memory.dmp

Filesize
32KB

Download
memory/2116-185-0x0000000007780000-0x000000000778E000-memory.dmp

Filesize
56KB

Download
memory/2116-182-0x00000000077D0000-0x0000000007866000-memory.dmp

Filesize
600KB

Download
memory/2116-144-0x00000000028F0000-0x0000000002926000-memory.dmp

Filesize
216KB

Download
memory/2116-164-0x0000000006240000-0x000000000625E000-memory.dmp

Filesize
120KB

Download
memory/2116-181-0x00000000075B0000-0x00000000075BA000-memory.dmp

Filesize
40KB

Download
memory/2116-147-0x00000000055E0000-0x0000000005C08000-memory.dmp

Filesize
6.2MB

Download
memory/2116-149-0x0000000005370000-0x0000000005392000-memory.dmp

Filesize
136KB

Download
memory/2116-180-0x0000000007540000-0x000000000755A000-memory.dmp

Filesize
104KB

Download
memory/2116-152-0x0000000005490000-0x00000000054F6000-memory.dmp

Filesize
408KB

Download
memory/2116-153-0x0000000002940000-0x0000000002950000-memory.dmp

Filesize
64KB

Download
memory/2116-154-0x0000000002940000-0x0000000002950000-memory.dmp

Filesize
64KB

Download
memory/2116-178-0x000000007F120000-0x000000007F130000-memory.dmp

Filesize
64KB

Download
memory/2116-177-0x0000000002940000-0x0000000002950000-memory.dmp

Filesize
64KB

Download
memory/2116-176-0x00000000067E0000-0x00000000067FE000-memory.dmp

Filesize
120KB

Download
memory/2116-165-0x0000000006800000-0x0000000006832000-memory.dmp

Filesize
200KB

Download
memory/2116-166-0x0000000070070000-0x00000000700BC000-memory.dmp

Filesize
304KB

Download
memory/3320-183-0x0000000006AF0000-0x0000000006B40000-memory.dmp

Filesize
320KB

Download
memory/3320-190-0x00000000050B0000-0x00000000050C0000-memory.dmp

Filesize
64KB

Download
memory/3320-150-0x0000000005130000-0x0000000005196000-memory.dmp

Filesize
408KB

Download
memory/3320-146-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3320-184-0x0000000006D10000-0x0000000006ED2000-memory.dmp

Filesize
1.8MB

Download
memory/3320-151-0x00000000050B0000-0x00000000050C0000-memory.dmp

Filesize
64KB

Download
memory/4720-136-0x00000000075A0000-0x00000000075AA000-memory.dmp

Filesize
40KB

Download
memory/4720-133-0x0000000000460000-0x000000000057C000-memory.dmp

Filesize
1.1MB

Download
memory/4720-135-0x00000000073F0000-0x0000000007482000-memory.dmp

Filesize
584KB

Download
memory/4720-138-0x0000000007590000-0x00000000075A0000-memory.dmp

Filesize
64KB

Download
memory/4720-139-0x0000000008DE0000-0x0000000008E7C000-memory.dmp

Filesize
624KB

Download
memory/4720-134-0x0000000007900000-0x0000000007EA4000-memory.dmp

Filesize
5.6MB

Download
memory/4720-137-0x0000000007590000-0x00000000075A0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads