agenttesla | 47c89c8b504cdbd28b1e573025fc005b8a89fe4e7e6d61a608921881f41a7f44

Analysis

max time kernel
142s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20230621-en
resource tags

arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
submitted
30/06/2023, 06:28

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General

Target

Remittance.pdf.exe
Size

841KB
MD5

b45ac3d395b7354fa58ceb8b8a7072f3
SHA1

3ca84f5c556dd01f8a2e915d4e5b07d9f5083299
SHA256

47c89c8b504cdbd28b1e573025fc005b8a89fe4e7e6d61a608921881f41a7f44
SHA512

aedda4d74bff532731262c33c235b344e89ba06d13bdd67ff346181d03c03efbc31e54c6d17e97850fa3aa52ca7ff0705b961dab0ffd2b267d802ce10833bb1a
SSDEEP

12288:u9XncwoPeeyy6/32BYGPnVkoDt4EzQPS6fA/dX+PDI1mPne+ox1bbbbbbbbbbbbh:MyA2BYG/ZDtAx+8PU

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.steamd.in
Port:
587
Username:
[email protected]
Password:
Purchase321@#
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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2177513644-1903222820-241662473-1000\Control Panel\International\Geo\Nation	Remittance.pdf.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2177513644-1903222820-241662473-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2177513644-1903222820-241662473-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2177513644-1903222820-241662473-1000\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
37	api.ipify.org
38	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3504 set thread context of 528	3504	Remittance.pdf.exe	97

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

T1053

pid	Process
1896	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4388	powershell.exe
5088	powershell.exe
4388	powershell.exe
5088	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5088	powershell.exe
Token: SeDebugPrivilege	4388	powershell.exe
Token: SeDebugPrivilege	528	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
528	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3504 wrote to memory of 5088	3504	Remittance.pdf.exe	91
PID 3504 wrote to memory of 5088	3504	Remittance.pdf.exe	91
PID 3504 wrote to memory of 5088	3504	Remittance.pdf.exe	91
PID 3504 wrote to memory of 4388	3504	Remittance.pdf.exe	93
PID 3504 wrote to memory of 4388	3504	Remittance.pdf.exe	93
PID 3504 wrote to memory of 4388	3504	Remittance.pdf.exe	93
PID 3504 wrote to memory of 1896	3504	Remittance.pdf.exe	95
PID 3504 wrote to memory of 1896	3504	Remittance.pdf.exe	95
PID 3504 wrote to memory of 1896	3504	Remittance.pdf.exe	95
PID 3504 wrote to memory of 528	3504	Remittance.pdf.exe	97
PID 3504 wrote to memory of 528	3504	Remittance.pdf.exe	97
PID 3504 wrote to memory of 528	3504	Remittance.pdf.exe	97
PID 3504 wrote to memory of 528	3504	Remittance.pdf.exe	97
PID 3504 wrote to memory of 528	3504	Remittance.pdf.exe	97
PID 3504 wrote to memory of 528	3504	Remittance.pdf.exe	97
PID 3504 wrote to memory of 528	3504	Remittance.pdf.exe	97
PID 3504 wrote to memory of 528	3504	Remittance.pdf.exe	97

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2177513644-1903222820-241662473-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2177513644-1903222820-241662473-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Remittance.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Remittance.pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3504
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Remittance.pdf.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5088
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NUouefAFLRrz.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4388
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NUouefAFLRrz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFFAD.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1896
- 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
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:528

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
b16c86c547fa483efc28be028997b3ec

SHA1
a926cee99844798913541c1b29a783be680b7dbf

SHA256
c6217e4c948c5768f2502c0c54e1e3a5e3d41c2c243df2429d5fd298577a2c7a

SHA512
947e90420059647b9f20c5034f45b10e46bddc824c8a20392672e5c979257d967698ffc50c01b28207e52e86f350ada07872fb6e77270ac14dfe016f4800efef

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_frj0fixw.kyo.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
1KB

MD5
063f920f9335cefd831885f697de533b

SHA1
d55e0809f8958adfdf9436a1680a03b610c76399

SHA256
5639d12326b75066e1ddd8fd8523bb7ed5a1659007a8750281328a540778ce6b

SHA512
8e85295ffab40a01cc647009b47bb511317c200b88d5a9b0822ae75d320dd5e22bd649bb8c160ef0ea162136c313aa8e27b967b7ea3488bdbcd81e3f36a1ec02

Download Submit
memory/528-147-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/528-206-0x0000000006800000-0x0000000006850000-memory.dmp

Filesize
320KB

Download
memory/528-174-0x0000000004D50000-0x0000000004D60000-memory.dmp

Filesize
64KB

Download
memory/528-207-0x0000000006B40000-0x0000000006D02000-memory.dmp

Filesize
1.8MB

Download
memory/528-154-0x0000000004E30000-0x0000000004E96000-memory.dmp

Filesize
408KB

Download
memory/528-216-0x0000000004D50000-0x0000000004D60000-memory.dmp

Filesize
64KB

Download
memory/3504-139-0x0000000005680000-0x0000000005690000-memory.dmp

Filesize
64KB

Download
memory/3504-133-0x00000000009C0000-0x0000000000A98000-memory.dmp

Filesize
864KB

Download
memory/3504-134-0x00000000059D0000-0x0000000005F74000-memory.dmp

Filesize
5.6MB

Download
memory/3504-135-0x00000000054C0000-0x0000000005552000-memory.dmp

Filesize
584KB

Download
memory/3504-136-0x0000000005680000-0x0000000005690000-memory.dmp

Filesize
64KB

Download
memory/3504-137-0x0000000005460000-0x000000000546A000-memory.dmp

Filesize
40KB

Download
memory/3504-138-0x0000000005780000-0x000000000581C000-memory.dmp

Filesize
624KB

Download
memory/4388-151-0x0000000005610000-0x0000000005620000-memory.dmp

Filesize
64KB

Download
memory/4388-153-0x0000000005610000-0x0000000005620000-memory.dmp

Filesize
64KB

Download
memory/4388-152-0x00000000057F0000-0x0000000005812000-memory.dmp

Filesize
136KB

Download
memory/4388-198-0x0000000006EA0000-0x0000000006EBE000-memory.dmp

Filesize
120KB

Download
memory/4388-176-0x0000000005610000-0x0000000005620000-memory.dmp

Filesize
64KB

Download
memory/4388-208-0x0000000007DE0000-0x0000000007DEE000-memory.dmp

Filesize
56KB

Download
memory/4388-202-0x00000000081E0000-0x000000000885A000-memory.dmp

Filesize
6.5MB

Download
memory/4388-201-0x000000007F880000-0x000000007F890000-memory.dmp

Filesize
64KB

Download
memory/4388-179-0x0000000070E90000-0x0000000070EDC000-memory.dmp

Filesize
304KB

Download
memory/5088-175-0x0000000005A50000-0x0000000005A6E000-memory.dmp

Filesize
120KB

Download
memory/5088-200-0x000000007F290000-0x000000007F2A0000-memory.dmp

Filesize
64KB

Download
memory/5088-180-0x0000000070E90000-0x0000000070EDC000-memory.dmp

Filesize
304KB

Download
memory/5088-178-0x0000000006010000-0x0000000006042000-memory.dmp

Filesize
200KB

Download
memory/5088-203-0x0000000006D50000-0x0000000006D6A000-memory.dmp

Filesize
104KB

Download
memory/5088-204-0x0000000006DC0000-0x0000000006DCA000-memory.dmp

Filesize
40KB

Download
memory/5088-205-0x0000000006FD0000-0x0000000007066000-memory.dmp

Filesize
600KB

Download
memory/5088-177-0x00000000022E0000-0x00000000022F0000-memory.dmp

Filesize
64KB

Download
memory/5088-155-0x0000000004BC0000-0x0000000004C26000-memory.dmp

Filesize
408KB

Download
memory/5088-150-0x00000000022E0000-0x00000000022F0000-memory.dmp

Filesize
64KB

Download
memory/5088-209-0x0000000007090000-0x00000000070AA000-memory.dmp

Filesize
104KB

Download
memory/5088-210-0x0000000007080000-0x0000000007088000-memory.dmp

Filesize
32KB

Download
memory/5088-149-0x00000000022E0000-0x00000000022F0000-memory.dmp

Filesize
64KB

Download
memory/5088-145-0x0000000004D00000-0x0000000005328000-memory.dmp

Filesize
6.2MB

Download
memory/5088-143-0x0000000002120000-0x0000000002156000-memory.dmp

Filesize
216KB

Download