agenttesla | c3fb8862aa52c578aca75ee923448a3013ff97e2ebe3b0dad8d6d708e78262bf

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
22/05/2024, 02:20

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General

Target

c3fb8862aa52c578aca75ee923448a3013ff97e2ebe3b0dad8d6d708e78262bf.exe
Size

853KB
MD5

a918e922397d50c75a2ae930e6e3e733
SHA1

f57c53de5e2b7156b7de7eb6fadac808db2a648f
SHA256

c3fb8862aa52c578aca75ee923448a3013ff97e2ebe3b0dad8d6d708e78262bf
SHA512

b1d07be42ee7d6e412264828c99e7c25d4e027203272ae66ebb3fb9551fe777bccb0e0ddce8eb0b343e468a36b94b401af6e0be4e94601601471941b2a895683
SSDEEP

24576:Zw4bjw4blsqzA4+wKZjXU/GaHqK2RpnEU17B:Zw4bjw4blsqzgtU/dHqKEnEwB

Score

10^/10

agenttesla execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.springandsummer.lk
Port:
587
Username:
[email protected]
Password:
anu##323
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/4564-36-0x0000000000400000-0x0000000000442000-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/4564-36-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

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

resource	yara_rule
behavioral2/memory/4564-36-0x0000000000400000-0x0000000000442000-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/4564-36-0x0000000000400000-0x0000000000442000-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/4564-36-0x0000000000400000-0x0000000000442000-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/4564-36-0x0000000000400000-0x0000000000442000-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

pid	Process
2840	powershell.exe
2232	powershell.exe

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-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	c3fb8862aa52c578aca75ee923448a3013ff97e2ebe3b0dad8d6d708e78262bf.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-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boqXv = "C:\\Users\\Admin\\AppData\\Roaming\\boqXv\\boqXv.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 212 set thread context of 4564	212	c3fb8862aa52c578aca75ee923448a3013ff97e2ebe3b0dad8d6d708e78262bf.exe	95

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
452	schtasks.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
212	c3fb8862aa52c578aca75ee923448a3013ff97e2ebe3b0dad8d6d708e78262bf.exe
212	c3fb8862aa52c578aca75ee923448a3013ff97e2ebe3b0dad8d6d708e78262bf.exe
212	c3fb8862aa52c578aca75ee923448a3013ff97e2ebe3b0dad8d6d708e78262bf.exe
212	c3fb8862aa52c578aca75ee923448a3013ff97e2ebe3b0dad8d6d708e78262bf.exe
212	c3fb8862aa52c578aca75ee923448a3013ff97e2ebe3b0dad8d6d708e78262bf.exe
212	c3fb8862aa52c578aca75ee923448a3013ff97e2ebe3b0dad8d6d708e78262bf.exe
2840	powershell.exe
2232	powershell.exe
212	c3fb8862aa52c578aca75ee923448a3013ff97e2ebe3b0dad8d6d708e78262bf.exe
2840	powershell.exe
2232	powershell.exe
4564	RegSvcs.exe
4564	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	212	c3fb8862aa52c578aca75ee923448a3013ff97e2ebe3b0dad8d6d708e78262bf.exe
Token: SeDebugPrivilege	2840	powershell.exe
Token: SeDebugPrivilege	2232	powershell.exe
Token: SeDebugPrivilege	4564	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 212 wrote to memory of 2840	212	c3fb8862aa52c578aca75ee923448a3013ff97e2ebe3b0dad8d6d708e78262bf.exe	89
PID 212 wrote to memory of 2840	212	c3fb8862aa52c578aca75ee923448a3013ff97e2ebe3b0dad8d6d708e78262bf.exe	89
PID 212 wrote to memory of 2840	212	c3fb8862aa52c578aca75ee923448a3013ff97e2ebe3b0dad8d6d708e78262bf.exe	89
PID 212 wrote to memory of 2232	212	c3fb8862aa52c578aca75ee923448a3013ff97e2ebe3b0dad8d6d708e78262bf.exe	91
PID 212 wrote to memory of 2232	212	c3fb8862aa52c578aca75ee923448a3013ff97e2ebe3b0dad8d6d708e78262bf.exe	91
PID 212 wrote to memory of 2232	212	c3fb8862aa52c578aca75ee923448a3013ff97e2ebe3b0dad8d6d708e78262bf.exe	91
PID 212 wrote to memory of 452	212	c3fb8862aa52c578aca75ee923448a3013ff97e2ebe3b0dad8d6d708e78262bf.exe	93
PID 212 wrote to memory of 452	212	c3fb8862aa52c578aca75ee923448a3013ff97e2ebe3b0dad8d6d708e78262bf.exe	93
PID 212 wrote to memory of 452	212	c3fb8862aa52c578aca75ee923448a3013ff97e2ebe3b0dad8d6d708e78262bf.exe	93
PID 212 wrote to memory of 4564	212	c3fb8862aa52c578aca75ee923448a3013ff97e2ebe3b0dad8d6d708e78262bf.exe	95
PID 212 wrote to memory of 4564	212	c3fb8862aa52c578aca75ee923448a3013ff97e2ebe3b0dad8d6d708e78262bf.exe	95
PID 212 wrote to memory of 4564	212	c3fb8862aa52c578aca75ee923448a3013ff97e2ebe3b0dad8d6d708e78262bf.exe	95
PID 212 wrote to memory of 4564	212	c3fb8862aa52c578aca75ee923448a3013ff97e2ebe3b0dad8d6d708e78262bf.exe	95
PID 212 wrote to memory of 4564	212	c3fb8862aa52c578aca75ee923448a3013ff97e2ebe3b0dad8d6d708e78262bf.exe	95
PID 212 wrote to memory of 4564	212	c3fb8862aa52c578aca75ee923448a3013ff97e2ebe3b0dad8d6d708e78262bf.exe	95
PID 212 wrote to memory of 4564	212	c3fb8862aa52c578aca75ee923448a3013ff97e2ebe3b0dad8d6d708e78262bf.exe	95
PID 212 wrote to memory of 4564	212	c3fb8862aa52c578aca75ee923448a3013ff97e2ebe3b0dad8d6d708e78262bf.exe	95

C:\Users\Admin\AppData\Local\Temp\c3fb8862aa52c578aca75ee923448a3013ff97e2ebe3b0dad8d6d708e78262bf.exe
"C:\Users\Admin\AppData\Local\Temp\c3fb8862aa52c578aca75ee923448a3013ff97e2ebe3b0dad8d6d708e78262bf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:212
- 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\c3fb8862aa52c578aca75ee923448a3013ff97e2ebe3b0dad8d6d708e78262bf.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2840
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GDBGcnlB.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2232
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GDBGcnlB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9460.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:452
- 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:4564

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

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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
6404fa2eb8c0a71725b9962f785db2f6

SHA1
11a4b4e5bc61299fc5189198a62b386d57f02cf6

SHA256
ea499438b5fdcf2d5003ff2254d36f077f2bf65936b9694eeebcb2aa0717759d

SHA512
746580d0585c6a761efda89d9d0eb8eb2fbfd22e4c2b4dbd538f1069bf7fbe7da979641949f822c66d0b11db360f4316f381bd037d5a310eecfce9b1c8dbc677

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_f5lup3vm.tms.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9460.tmp

Filesize
1KB

MD5
5a68e1ebfdc222162fabd229a61418a4

SHA1
49e8a512d7c5f5a85f8c8c8de8548f7e1f242c53

SHA256
e30c7874bc8080118fdeda8b2ba5c23c9cc316a1744e86d478b497b9174647ab

SHA512
d0b979ee31cf9b13826d556d3cf8612bd80351144b42bba0f94010fbef61c3ed210ca627939ad39a3ff8882458d6318b07bbefd5b493e829529f6a2c6b762ba3

Download Submit
memory/212-6-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/212-1-0x00000000000D0000-0x00000000001A6000-memory.dmp

Filesize
856KB

Download
memory/212-5-0x0000000004E30000-0x0000000004ECC000-memory.dmp

Filesize
624KB

Download
memory/212-7-0x00000000058D0000-0x00000000058EA000-memory.dmp

Filesize
104KB

Download
memory/212-8-0x0000000005170000-0x0000000005180000-memory.dmp

Filesize
64KB

Download
memory/212-9-0x0000000005D70000-0x0000000005DF4000-memory.dmp

Filesize
528KB

Download
memory/212-15-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

Filesize
4KB

Download
memory/212-49-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/212-0-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

Filesize
4KB

Download
memory/212-3-0x0000000004BD0000-0x0000000004C62000-memory.dmp

Filesize
584KB

Download
memory/212-2-0x0000000005180000-0x0000000005724000-memory.dmp

Filesize
5.6MB

Download
memory/212-4-0x0000000004BB0000-0x0000000004BBA000-memory.dmp

Filesize
40KB

Download
memory/212-37-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/2232-84-0x0000000007BA0000-0x0000000007BBA000-memory.dmp

Filesize
104KB

Download
memory/2232-83-0x0000000007AA0000-0x0000000007AB4000-memory.dmp

Filesize
80KB

Download
memory/2232-80-0x0000000007A60000-0x0000000007A71000-memory.dmp

Filesize
68KB

Download
memory/2232-78-0x00000000078D0000-0x00000000078DA000-memory.dmp

Filesize
40KB

Download
memory/2232-30-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/2232-20-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/2232-38-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/2232-77-0x0000000007860000-0x000000000787A000-memory.dmp

Filesize
104KB

Download
memory/2232-92-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/2232-65-0x0000000075580000-0x00000000755CC000-memory.dmp

Filesize
304KB

Download
memory/2840-17-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/2840-79-0x0000000007870000-0x0000000007906000-memory.dmp

Filesize
600KB

Download
memory/2840-51-0x0000000006490000-0x00000000064DC000-memory.dmp

Filesize
304KB

Download
memory/2840-53-0x0000000007470000-0x00000000074A2000-memory.dmp

Filesize
200KB

Download
memory/2840-54-0x0000000075580000-0x00000000755CC000-memory.dmp

Filesize
304KB

Download
memory/2840-64-0x0000000007450000-0x000000000746E000-memory.dmp

Filesize
120KB

Download
memory/2840-66-0x00000000074C0000-0x0000000007563000-memory.dmp

Filesize
652KB

Download
memory/2840-21-0x0000000005410000-0x0000000005432000-memory.dmp

Filesize
136KB

Download
memory/2840-76-0x0000000007C30000-0x00000000082AA000-memory.dmp

Filesize
6.5MB

Download
memory/2840-91-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/2840-35-0x0000000005CC0000-0x0000000006014000-memory.dmp

Filesize
3.3MB

Download
memory/2840-50-0x00000000062D0000-0x00000000062EE000-memory.dmp

Filesize
120KB

Download
memory/2840-22-0x0000000005B30000-0x0000000005B96000-memory.dmp

Filesize
408KB

Download
memory/2840-14-0x00000000029B0000-0x00000000029E6000-memory.dmp

Filesize
216KB

Download
memory/2840-82-0x0000000007820000-0x000000000782E000-memory.dmp

Filesize
56KB

Download
memory/2840-23-0x0000000005C50000-0x0000000005CB6000-memory.dmp

Filesize
408KB

Download
memory/2840-19-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/2840-85-0x0000000007910000-0x0000000007918000-memory.dmp

Filesize
32KB

Download
memory/2840-18-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/2840-16-0x0000000005500000-0x0000000005B28000-memory.dmp

Filesize
6.2MB

Download
memory/4564-81-0x0000000006130000-0x0000000006180000-memory.dmp

Filesize
320KB

Download
memory/4564-36-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download