agenttesla | fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0

General

Target

fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe
Size

731KB
MD5

81cb8ea8d9b46383fcb2a1a46e8b88bc
SHA1

9eb657a5d0836dbc323fc3c129e133c14f99d7d1
SHA256

fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0
SHA512

8620f2376ca0ae293e9eebb8335e2fe63cf420ddfe00de4f0532424e816ced1e64eef314c02f4f74b9cb4f82a86f543dc435dcb92e6ad2d3dad949e5a258c705
SSDEEP

12288:bYWET/mr9KfW+G84wBj5J3MvgHUgwszbpy+uPnO/FdPa4g+m/bb821RMSQkR:bYWtjV+J8oHUgwszc+uPaPnO/bbJJ

Score

10^/10

agenttesla execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.shaktiinstrumentations.in
Port:
587
Username:
[email protected]
Password:
Shakti54231!@#$%#@!
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. 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/928-31-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/928-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/928-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/928-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/928-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/928-31-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/928-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/928-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/928-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/928-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/928-31-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/928-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/928-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/928-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/928-24-0x0000000000400000-0x0000000000442000-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 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/928-31-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/928-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/928-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/928-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/928-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/928-31-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/928-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/928-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/928-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/928-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/928-31-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/928-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/928-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/928-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/928-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exe

pid process

2632 powershell.exe
2460 powershell.exe

pid	process
2632	powershell.exe
2460	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\boqXv = "C:\\Users\\Admin\\AppData\\Roaming\\boqXv\\boqXv.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe

description	pid	process	target process
PID 2224 set thread context of 928	2224	fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe	RegSvcs.exe

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

Processes:

schtasks.exe

pid process

2748 schtasks.exe

pid	process
2748	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exeRegSvcs.exepowershell.exepowershell.exe

pid	process
2224	fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe
2224	fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe
2224	fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe
2224	fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe
2224	fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe
2224	fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe
2224	fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe
928	RegSvcs.exe
928	RegSvcs.exe
2460	powershell.exe
2632	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exeRegSvcs.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	2224	fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe
Token: SeDebugPrivilege	928	RegSvcs.exe
Token: SeDebugPrivilege	2460	powershell.exe
Token: SeDebugPrivilege	2632	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe

description	pid	process	target process
PID 2224 wrote to memory of 2632	2224	fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe	powershell.exe
PID 2224 wrote to memory of 2632	2224	fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe	powershell.exe
PID 2224 wrote to memory of 2632	2224	fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe	powershell.exe
PID 2224 wrote to memory of 2632	2224	fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe	powershell.exe
PID 2224 wrote to memory of 2460	2224	fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe	powershell.exe
PID 2224 wrote to memory of 2460	2224	fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe	powershell.exe
PID 2224 wrote to memory of 2460	2224	fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe	powershell.exe
PID 2224 wrote to memory of 2460	2224	fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe	powershell.exe
PID 2224 wrote to memory of 2748	2224	fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe	schtasks.exe
PID 2224 wrote to memory of 2748	2224	fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe	schtasks.exe
PID 2224 wrote to memory of 2748	2224	fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe	schtasks.exe
PID 2224 wrote to memory of 2748	2224	fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe	schtasks.exe
PID 2224 wrote to memory of 928	2224	fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe	RegSvcs.exe
PID 2224 wrote to memory of 928	2224	fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe	RegSvcs.exe
PID 2224 wrote to memory of 928	2224	fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe	RegSvcs.exe
PID 2224 wrote to memory of 928	2224	fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe	RegSvcs.exe
PID 2224 wrote to memory of 928	2224	fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe	RegSvcs.exe
PID 2224 wrote to memory of 928	2224	fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe	RegSvcs.exe
PID 2224 wrote to memory of 928	2224	fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe	RegSvcs.exe
PID 2224 wrote to memory of 928	2224	fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe	RegSvcs.exe
PID 2224 wrote to memory of 928	2224	fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe	RegSvcs.exe
PID 2224 wrote to memory of 928	2224	fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe	RegSvcs.exe
PID 2224 wrote to memory of 928	2224	fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe	RegSvcs.exe
PID 2224 wrote to memory of 928	2224	fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe
"C:\Users\Admin\AppData\Local\Temp\fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2224
- 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\fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2632
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NNSwwLIbU.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2460
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NNSwwLIbU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEBE5.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2748
- 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
  PID:928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpEBE5.tmp

Filesize
1KB

MD5
290227e039d7f55c25c65668e820e9c8

SHA1
ae0f2d03e2045f7a57f3a9126f7bb59826f5a7b4

SHA256
0c705db970da6d5c9bf7b956be40e3e7e40a2845feba62abd1809195c4932aab

SHA512
b0239db5c9190197296d2c3bfa5180f5bed2bb2a298ecf92eae441ac80cee801965f5eea80099a9513a46bb09665cb7171e88dd73e857a726082e29eb68d69c4

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\N0IQZTKZX2U8IWDZ7E3E.temp

Filesize
7KB

MD5
1ead6e52a14a32e2b65bb538cf678549

SHA1
2e2c131f2da965b5b15b2302e140c941cde10a1f

SHA256
a01ea217a933fb672a420dc1b3638a6b66db673cc8c313d3686c4d53fe40cd3c

SHA512
1e1743de9fc2f3eb8b573ae45b278dbc5548bc9bb73718cb86170699b76d6e2ff4d95a043bea15e0295355f515969d04c771ded75a0c06ffa7c82229e46a9939

Download Submit
memory/928-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/928-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/928-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/928-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/928-27-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/928-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/928-31-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/928-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2224-3-0x0000000000610000-0x0000000000632000-memory.dmp

Filesize
136KB

Download
memory/2224-2-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2224-4-0x00000000003A0000-0x00000000003AC000-memory.dmp

Filesize
48KB

Download
memory/2224-7-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

Filesize
4KB

Download
memory/2224-6-0x00000000004D0000-0x0000000000554000-memory.dmp

Filesize
528KB

Download
memory/2224-1-0x00000000011B0000-0x000000000126A000-memory.dmp

Filesize
744KB

Download
memory/2224-5-0x00000000003C0000-0x00000000003D0000-memory.dmp

Filesize
64KB

Download
memory/2224-0-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

Filesize
4KB

Download
memory/2224-32-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads