agenttesla | 191bbf637696ece59a72a105bdcd7f9e175309fff88acc612c353cef8cdf5234

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
16-05-2024 01:04

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General

Target

purchase order T&B19-20PO128.exe
Size

712KB
MD5

cb557a97949c50fc133f4d58537ddc44
SHA1

b46e14c0325e0b1419e6df97b20803eeb92a55b4
SHA256

d967ab9c69606d614df05823f3fcb76d436dbda3f1306db4d132acbda8aa8cb5
SHA512

91d5abcc7199c36eb89cc1a3536fb0ba633fa96f2743d7461d1b48a37f5e09974f05600b7d50cf8961dfcf414b6025ae4a14c0c500c6d5749d778e3a4650feb6
SSDEEP

12288:zrXYMjhvPie/rByY77777777777774HOE+aEz+dbZjghmi8+NEaIa0lPhcPIuRiU:3YMFniyyVufcbRg/I5PhcwuRiFtq5630

Score

10^/10

agenttesla execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.clslk.com
Port:
587
Username:
[email protected]
Password:
NUZRATHinam1978
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/2976-46-0x0000000000400000-0x0000000000442000-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/2976-46-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

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

resource	yara_rule
behavioral2/memory/2976-46-0x0000000000400000-0x0000000000442000-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/2976-46-0x0000000000400000-0x0000000000442000-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/2976-46-0x0000000000400000-0x0000000000442000-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/2976-46-0x0000000000400000-0x0000000000442000-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
3672	powershell.exe
4904	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-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation	purchase order T&B19-20PO128.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-1-5-21-3906287020-2915474608-1755617787-1000\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 4632 set thread context of 2976	4632	purchase order T&B19-20PO128.exe	104

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
220	schtasks.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
4632	purchase order T&B19-20PO128.exe
4632	purchase order T&B19-20PO128.exe
4632	purchase order T&B19-20PO128.exe
4904	powershell.exe
4904	powershell.exe
3672	powershell.exe
3672	powershell.exe
4632	purchase order T&B19-20PO128.exe
4632	purchase order T&B19-20PO128.exe
3672	powershell.exe
4904	powershell.exe
2976	RegSvcs.exe
2976	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4632	purchase order T&B19-20PO128.exe
Token: SeDebugPrivilege	4904	powershell.exe
Token: SeDebugPrivilege	3672	powershell.exe
Token: SeDebugPrivilege	2976	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4632 wrote to memory of 3672	4632	purchase order T&B19-20PO128.exe	98
PID 4632 wrote to memory of 3672	4632	purchase order T&B19-20PO128.exe	98
PID 4632 wrote to memory of 3672	4632	purchase order T&B19-20PO128.exe	98
PID 4632 wrote to memory of 4904	4632	purchase order T&B19-20PO128.exe	100
PID 4632 wrote to memory of 4904	4632	purchase order T&B19-20PO128.exe	100
PID 4632 wrote to memory of 4904	4632	purchase order T&B19-20PO128.exe	100
PID 4632 wrote to memory of 220	4632	purchase order T&B19-20PO128.exe	102
PID 4632 wrote to memory of 220	4632	purchase order T&B19-20PO128.exe	102
PID 4632 wrote to memory of 220	4632	purchase order T&B19-20PO128.exe	102
PID 4632 wrote to memory of 2976	4632	purchase order T&B19-20PO128.exe	104
PID 4632 wrote to memory of 2976	4632	purchase order T&B19-20PO128.exe	104
PID 4632 wrote to memory of 2976	4632	purchase order T&B19-20PO128.exe	104
PID 4632 wrote to memory of 2976	4632	purchase order T&B19-20PO128.exe	104
PID 4632 wrote to memory of 2976	4632	purchase order T&B19-20PO128.exe	104
PID 4632 wrote to memory of 2976	4632	purchase order T&B19-20PO128.exe	104
PID 4632 wrote to memory of 2976	4632	purchase order T&B19-20PO128.exe	104
PID 4632 wrote to memory of 2976	4632	purchase order T&B19-20PO128.exe	104

C:\Users\Admin\AppData\Local\Temp\purchase order T&B19-20PO128.exe
"C:\Users\Admin\AppData\Local\Temp\purchase order T&B19-20PO128.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4632
- 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\purchase order T&B19-20PO128.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3672
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\lRlzknDDQQAND.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4904
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lRlzknDDQQAND" /XML "C:\Users\Admin\AppData\Local\Temp\tmp86B4.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:220
- 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:2976

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

Replay Monitor

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Downloads

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

Filesize
1KB

MD5
33b19d75aa77114216dbc23f43b195e3

SHA1
36a6c3975e619e0c5232aa4f5b7dc1fec9525535

SHA256
b23ced31b855e5a39c94afa1f9d55b023b8c40d4dc62143e0539c6916c12c9d2

SHA512
676fa2fd34878b75e5899197fe6826bb5604541aa468804bc9835bd3acabed2e6759878a8f1358955413818a51456816e90f149133828575a416c2a74fc7d821

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

Filesize
18KB

MD5
0dda5c3653ef3c0e0e5acff1bcdabc2d

SHA1
3669fac89ea67313285e267036f504b4a4d46dde

SHA256
6b713dfa220793d11613130c1b0b7c1048835dcf14dfc130ea2ab1ef1801be15

SHA512
7852a491ae6272b585a09629a103fb8f6cfae7f9c8f613621ae4abbde86b70553beeb8b524d7a664769f48490d2c46514db54682a88e2e8e484b86b3b6336aed

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4j0dygv5.hqf.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp86B4.tmp

Filesize
1KB

MD5
34e7d7ca49c69ae2836aca8e4217f877

SHA1
994429f28cd0fae48ed545edc886bb40d03c8388

SHA256
48de3d5d29d1b208a23baa054147bdec4d4608eb2ac301a93671b03f70a49a2f

SHA512
dff135ef6c805033686fdfe69b7fec5e662fdaea9c8efbcd0d83d059e40b3914265cc8d7648d0ef5a2880f88866edf7a4f8cabb1623c7e772db9584db77f7bbd

Download Submit
memory/2976-46-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2976-73-0x00000000067C0000-0x0000000006810000-memory.dmp

Filesize
320KB

Download
memory/3672-16-0x00000000059B0000-0x0000000005FD8000-memory.dmp

Filesize
6.2MB

Download
memory/3672-19-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download
memory/3672-50-0x0000000006BD0000-0x0000000006C1C000-memory.dmp

Filesize
304KB

Download
memory/3672-49-0x00000000066A0000-0x00000000066BE000-memory.dmp

Filesize
120KB

Download
memory/3672-53-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download
memory/3672-15-0x0000000002DB0000-0x0000000002DE6000-memory.dmp

Filesize
216KB

Download
memory/3672-18-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download
memory/3672-17-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download
memory/4632-48-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download
memory/4632-7-0x0000000005740000-0x0000000005750000-memory.dmp

Filesize
64KB

Download
memory/4632-6-0x00000000054F0000-0x0000000005510000-memory.dmp

Filesize
128KB

Download
memory/4632-5-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download
memory/4632-4-0x00000000051C0000-0x00000000051CA000-memory.dmp

Filesize
40KB

Download
memory/4632-3-0x0000000005210000-0x00000000052A2000-memory.dmp

Filesize
584KB

Download
memory/4632-10-0x0000000008FC0000-0x000000000905C000-memory.dmp

Filesize
624KB

Download
memory/4632-2-0x00000000057C0000-0x0000000005D64000-memory.dmp

Filesize
5.6MB

Download
memory/4632-0-0x00000000752AE000-0x00000000752AF000-memory.dmp

Filesize
4KB

Download
memory/4632-9-0x0000000006570000-0x00000000065F4000-memory.dmp

Filesize
528KB

Download
memory/4632-8-0x0000000005750000-0x0000000005766000-memory.dmp

Filesize
88KB

Download
memory/4632-1-0x0000000000710000-0x00000000007C6000-memory.dmp

Filesize
728KB

Download
memory/4904-37-0x0000000005A20000-0x0000000005D74000-memory.dmp

Filesize
3.3MB

Download
memory/4904-21-0x0000000005140000-0x0000000005162000-memory.dmp

Filesize
136KB

Download
memory/4904-22-0x0000000005840000-0x00000000058A6000-memory.dmp

Filesize
408KB

Download
memory/4904-26-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download
memory/4904-54-0x0000000006520000-0x0000000006552000-memory.dmp

Filesize
200KB

Download
memory/4904-55-0x0000000075B30000-0x0000000075B7C000-memory.dmp

Filesize
304KB

Download
memory/4904-65-0x0000000006FB0000-0x0000000006FCE000-memory.dmp

Filesize
120KB

Download
memory/4904-66-0x0000000006FD0000-0x0000000007073000-memory.dmp

Filesize
652KB

Download
memory/4904-67-0x00000000079E0000-0x000000000805A000-memory.dmp

Filesize
6.5MB

Download
memory/4904-68-0x0000000007120000-0x000000000713A000-memory.dmp

Filesize
104KB

Download
memory/4904-70-0x00000000073A0000-0x00000000073AA000-memory.dmp

Filesize
40KB

Download
memory/4904-71-0x00000000075B0000-0x0000000007646000-memory.dmp

Filesize
600KB

Download
memory/4904-72-0x0000000007530000-0x0000000007541000-memory.dmp

Filesize
68KB

Download
memory/4904-23-0x00000000059B0000-0x0000000005A16000-memory.dmp

Filesize
408KB

Download
memory/4904-74-0x0000000007560000-0x000000000756E000-memory.dmp

Filesize
56KB

Download
memory/4904-75-0x0000000007570000-0x0000000007584000-memory.dmp

Filesize
80KB

Download
memory/4904-76-0x0000000007670000-0x000000000768A000-memory.dmp

Filesize
104KB

Download
memory/4904-77-0x0000000007650000-0x0000000007658000-memory.dmp

Filesize
32KB

Download
memory/4904-24-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download
memory/4904-20-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download
memory/4904-81-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download