agenttesla | 84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4

Analysis

max time kernel
129s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
29/02/2024, 05:33

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General

Target

84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4.exe
Size

660KB
MD5

b59fdfa1bc3fab9682efe169673b860b
SHA1

9029a816e934ad5e5545171c0bb4b4594e9dd7aa
SHA256

84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4
SHA512

2cc19bb9992e31bc045fc50a5d2bf35a42c3345704d26aa3f0ca139a44250b2dbd601ab6ec7aa0b3cba80d28a16d3ee7b5386a21fc8759f405c77d2f992138f6
SSDEEP

12288:wzNwnqs3y44sAGBqD6iGj1EPoGtaUvNbKMYecJvk5CYxZsFzdZGdrLNhN3b:VnPAGBqD6mbYwtKMWxk5bxZmq3NhN

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.premiermotor.com.bn
Port:
587
Username:
[email protected]
Password:
e3Q9hj?1
Email To:
[email protected]

Signatures

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

Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

resource	yara_rule
behavioral2/memory/3796-32-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

resource	yara_rule
behavioral2/memory/3796-32-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs

resource	yara_rule
behavioral2/memory/3796-32-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/3796-32-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/3796-32-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/3796-32-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation	84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ByjvgQ = "C:\\Users\\Admin\\AppData\\Roaming\\ByjvgQ\\ByjvgQ.exe"	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
38	api.ipify.org
37	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1776 set thread context of 3796	1776	84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4.exe	98

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

pid	Process
4236	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
1776	84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4.exe
1776	84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4.exe
1776	84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4.exe
1776	84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4.exe
1776	84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4.exe
2128	powershell.exe
4984	powershell.exe
1776	84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4.exe
3796	RegSvcs.exe
3796	RegSvcs.exe
4984	powershell.exe
2128	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1776	84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4.exe
Token: SeDebugPrivilege	2128	powershell.exe
Token: SeDebugPrivilege	4984	powershell.exe
Token: SeDebugPrivilege	3796	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3796	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1776 wrote to memory of 2128	1776	84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4.exe	92
PID 1776 wrote to memory of 2128	1776	84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4.exe	92
PID 1776 wrote to memory of 2128	1776	84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4.exe	92
PID 1776 wrote to memory of 4984	1776	84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4.exe	94
PID 1776 wrote to memory of 4984	1776	84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4.exe	94
PID 1776 wrote to memory of 4984	1776	84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4.exe	94
PID 1776 wrote to memory of 4236	1776	84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4.exe	96
PID 1776 wrote to memory of 4236	1776	84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4.exe	96
PID 1776 wrote to memory of 4236	1776	84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4.exe	96
PID 1776 wrote to memory of 3796	1776	84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4.exe	98
PID 1776 wrote to memory of 3796	1776	84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4.exe	98
PID 1776 wrote to memory of 3796	1776	84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4.exe	98
PID 1776 wrote to memory of 3796	1776	84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4.exe	98
PID 1776 wrote to memory of 3796	1776	84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4.exe	98
PID 1776 wrote to memory of 3796	1776	84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4.exe	98
PID 1776 wrote to memory of 3796	1776	84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4.exe	98
PID 1776 wrote to memory of 3796	1776	84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4.exe	98

C:\Users\Admin\AppData\Local\Temp\84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4.exe
"C:\Users\Admin\AppData\Local\Temp\84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1776
- 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\84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2128
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xOhWaFBl.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4984
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xOhWaFBl" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDA91.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4236
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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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
ca59d4aca27465e019cd75aa40087328

SHA1
56eda2d9599a89924ffcd2efa61bac9148b1f3a8

SHA256
a24be6840982e88ed38488e6efcddbf422295b79c900dceeecb4a0e22adc3459

SHA512
c6538cbc7b887d8e854fd921b93be690b93edd01733c5962c042b89addbce71a00f93609e3a05ad37a76e535cfbe030405b6ee253f64bb04c583d072da9e7016

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dfynxmec.pzb.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDA91.tmp

Filesize
1KB

MD5
5fe46bb7debcb4d03d4ec1b647fdf885

SHA1
a4db750937e26861fd94b0869335738e38677fd5

SHA256
300558d7f688f83ebd77b9c1da26ea1dbce51d4cd766797c9cbf6329dfb20266

SHA512
eb53c7ed1bab4a9ac7a8ca547b0518d660a74eefb10f39d2bdc180441a792bfcb37aacb8ceb5ccd6268de5f11c43b1905a96bc8203013c5dfe199ab3121ba165

Download Submit
memory/1776-23-0x0000000005990000-0x00000000059A0000-memory.dmp

Filesize
64KB

Download
memory/1776-3-0x00000000057D0000-0x0000000005862000-memory.dmp

Filesize
584KB

Download
memory/1776-6-0x0000000006DA0000-0x0000000006DBC000-memory.dmp

Filesize
112KB

Download
memory/1776-7-0x0000000005790000-0x000000000579C000-memory.dmp

Filesize
48KB

Download
memory/1776-8-0x0000000002FD0000-0x0000000002FE2000-memory.dmp

Filesize
72KB

Download
memory/1776-9-0x0000000006BE0000-0x0000000006C62000-memory.dmp

Filesize
520KB

Download
memory/1776-10-0x000000000A3C0000-0x000000000A45C000-memory.dmp

Filesize
624KB

Download
memory/1776-0-0x0000000000CE0000-0x0000000000D8A000-memory.dmp

Filesize
680KB

Download
memory/1776-40-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/1776-1-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/1776-2-0x0000000005D80000-0x0000000006324000-memory.dmp

Filesize
5.6MB

Download
memory/1776-19-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/1776-5-0x0000000005770000-0x000000000577A000-memory.dmp

Filesize
40KB

Download
memory/1776-4-0x0000000005990000-0x00000000059A0000-memory.dmp

Filesize
64KB

Download
memory/2128-25-0x0000000005420000-0x0000000005486000-memory.dmp

Filesize
408KB

Download
memory/2128-89-0x0000000007170000-0x0000000007178000-memory.dmp

Filesize
32KB

Download
memory/2128-24-0x0000000004B90000-0x0000000004BB2000-memory.dmp

Filesize
136KB

Download
memory/2128-98-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/2128-18-0x0000000004C80000-0x00000000052A8000-memory.dmp

Filesize
6.2MB

Download
memory/2128-17-0x0000000002270000-0x0000000002280000-memory.dmp

Filesize
64KB

Download
memory/2128-31-0x0000000005500000-0x0000000005566000-memory.dmp

Filesize
408KB

Download
memory/2128-38-0x00000000056B0000-0x0000000005A04000-memory.dmp

Filesize
3.3MB

Download
memory/2128-16-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/2128-91-0x0000000002270000-0x0000000002280000-memory.dmp

Filesize
64KB

Download
memory/2128-15-0x0000000002230000-0x0000000002266000-memory.dmp

Filesize
216KB

Download
memory/2128-80-0x00000000074E0000-0x0000000007B5A000-memory.dmp

Filesize
6.5MB

Download
memory/2128-88-0x0000000007190000-0x00000000071AA000-memory.dmp

Filesize
104KB

Download
memory/2128-85-0x0000000007050000-0x0000000007061000-memory.dmp

Filesize
68KB

Download
memory/2128-55-0x0000000075780000-0x00000000757CC000-memory.dmp

Filesize
304KB

Download
memory/2128-56-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/2128-57-0x000000007F2D0000-0x000000007F2E0000-memory.dmp

Filesize
64KB

Download
memory/2128-82-0x0000000006EC0000-0x0000000006ECA000-memory.dmp

Filesize
40KB

Download
memory/2128-67-0x00000000060D0000-0x00000000060EE000-memory.dmp

Filesize
120KB

Download
memory/2128-54-0x00000000060F0000-0x0000000006122000-memory.dmp

Filesize
200KB

Download
memory/2128-71-0x0000000006DB0000-0x0000000006E53000-memory.dmp

Filesize
652KB

Download
memory/3796-41-0x0000000005520000-0x0000000005530000-memory.dmp

Filesize
64KB

Download
memory/3796-90-0x00000000068C0000-0x0000000006910000-memory.dmp

Filesize
320KB

Download
memory/3796-100-0x0000000005520000-0x0000000005530000-memory.dmp

Filesize
64KB

Download
memory/3796-99-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/3796-32-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3796-39-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/4984-51-0x0000000005AC0000-0x0000000005ADE000-memory.dmp

Filesize
120KB

Download
memory/4984-87-0x0000000007000000-0x0000000007014000-memory.dmp

Filesize
80KB

Download
memory/4984-52-0x0000000005B60000-0x0000000005BAC000-memory.dmp

Filesize
304KB

Download
memory/4984-69-0x000000007F6F0000-0x000000007F700000-memory.dmp

Filesize
64KB

Download
memory/4984-86-0x0000000006FF0000-0x0000000006FFE000-memory.dmp

Filesize
56KB

Download
memory/4984-53-0x0000000004650000-0x0000000004660000-memory.dmp

Filesize
64KB

Download
memory/4984-83-0x0000000007040000-0x00000000070D6000-memory.dmp

Filesize
600KB

Download
memory/4984-22-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/4984-97-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/4984-20-0x0000000004650000-0x0000000004660000-memory.dmp

Filesize
64KB

Download
memory/4984-68-0x0000000075780000-0x00000000757CC000-memory.dmp

Filesize
304KB

Download
memory/4984-81-0x0000000006DC0000-0x0000000006DDA000-memory.dmp

Filesize
104KB

Download