agenttesla | 41f42c51eae4e230acff3a90db82fbaac022ee71c91eae7478069792833fc3f9

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
20-06-2024 01:11

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General

Target

shipping documents.exe
Size

663KB
MD5

dd1c0c05fece823d0c57d0c507e9deb2
SHA1

cfad01e0218e8ccc2adf740edc8bc594a0b3cd20
SHA256

ba5b16c28def8e5d0ea0a09bf25b4d980fe89e3537f7034d775ccdf3bd9f5035
SHA512

cd186111b32a33e23a9af82e986415ab45a75176248c5b3c178330fee14824dae5ff9ee2a90c84cb1f481ea22fdc9462f80411e0ffaf5d9080d722c3e7244272
SSDEEP

12288:eFIsPALKLE97fl/JJ1B+7rdVYBbP7NYzDa2HQUphVonpX+Apg1k/oNRKFXlXDtkA:4IK+dlL1BSrdCB9YqhUKKVNRiNLznZ

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. 5 IoCs

resource	yara_rule
behavioral1/memory/2572-31-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2572-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2572-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2572-25-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2572-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

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

resource	yara_rule
behavioral1/memory/2572-31-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2572-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2572-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2572-25-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2572-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with SmartAssembly 1 IoCs

resource	yara_rule
behavioral1/memory/2352-5-0x00000000003F0000-0x00000000003FC000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly

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

resource	yara_rule
behavioral1/memory/2572-31-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2572-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2572-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2572-25-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2572-23-0x0000000000400000-0x0000000000442000-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

resource	yara_rule
behavioral1/memory/2572-31-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2572-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2572-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2572-25-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2572-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

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

resource	yara_rule
behavioral1/memory/2572-31-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2572-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2572-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2572-25-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2572-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

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

resource	yara_rule
behavioral1/memory/2572-31-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2572-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2572-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2572-25-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2572-23-0x0000000000400000-0x0000000000442000-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
2836	powershell.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-1-5-21-2812790648-3157963462-487717889-1000\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 2352 set thread context of 2572	2352	shipping documents.exe	34

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2876	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2352	shipping documents.exe
2352	shipping documents.exe
2352	shipping documents.exe
2352	shipping documents.exe
2352	shipping documents.exe
2352	shipping documents.exe
2352	shipping documents.exe
2572	RegSvcs.exe
2572	RegSvcs.exe
2840	powershell.exe
2836	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2352	shipping documents.exe
Token: SeDebugPrivilege	2572	RegSvcs.exe
Token: SeDebugPrivilege	2840	powershell.exe
Token: SeDebugPrivilege	2836	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 2840	2352	shipping documents.exe	28
PID 2352 wrote to memory of 2840	2352	shipping documents.exe	28
PID 2352 wrote to memory of 2840	2352	shipping documents.exe	28
PID 2352 wrote to memory of 2840	2352	shipping documents.exe	28
PID 2352 wrote to memory of 2836	2352	shipping documents.exe	30
PID 2352 wrote to memory of 2836	2352	shipping documents.exe	30
PID 2352 wrote to memory of 2836	2352	shipping documents.exe	30
PID 2352 wrote to memory of 2836	2352	shipping documents.exe	30
PID 2352 wrote to memory of 2876	2352	shipping documents.exe	31
PID 2352 wrote to memory of 2876	2352	shipping documents.exe	31
PID 2352 wrote to memory of 2876	2352	shipping documents.exe	31
PID 2352 wrote to memory of 2876	2352	shipping documents.exe	31
PID 2352 wrote to memory of 2572	2352	shipping documents.exe	34
PID 2352 wrote to memory of 2572	2352	shipping documents.exe	34
PID 2352 wrote to memory of 2572	2352	shipping documents.exe	34
PID 2352 wrote to memory of 2572	2352	shipping documents.exe	34
PID 2352 wrote to memory of 2572	2352	shipping documents.exe	34
PID 2352 wrote to memory of 2572	2352	shipping documents.exe	34
PID 2352 wrote to memory of 2572	2352	shipping documents.exe	34
PID 2352 wrote to memory of 2572	2352	shipping documents.exe	34
PID 2352 wrote to memory of 2572	2352	shipping documents.exe	34
PID 2352 wrote to memory of 2572	2352	shipping documents.exe	34
PID 2352 wrote to memory of 2572	2352	shipping documents.exe	34
PID 2352 wrote to memory of 2572	2352	shipping documents.exe	34

C:\Users\Admin\AppData\Local\Temp\shipping documents.exe
"C:\Users\Admin\AppData\Local\Temp\shipping documents.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2352
- 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\shipping documents.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\AxawoKKXrVH.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2836
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AxawoKKXrVH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6078.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2876
- 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:2572

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp6078.tmp

Filesize
1KB

MD5
19987a44bd5b21d416751c51300b5ec8

SHA1
cd39777b14e6b9df27f6c6c1abe76d730d4914b9

SHA256
37d9050b7321f1991d9eeb1a8d51311cf4dcc9c3c0bd46f1869b7fcc14b10e28

SHA512
c48ced3f5a4cefeaf2a44f4be726daeae1ed894a77eb8a7d7398396dd65a29eb55df2fc87a4bc91802fbac07559c2ff01d061cfff6cddbde8ee67c68b609f0ef

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\OPWKPV18X6UASXI5U1PD.temp

Filesize
7KB

MD5
28039e7cceceadbc4bb1cc8f3c5ab274

SHA1
6ecf4c71064dc53130789d3e9778b8b831dfb765

SHA256
713608cb1049eb21a8b4811c296d7ea60332fb1cbdc1e81ed1914456e76156d9

SHA512
4c7a0a03721ed089e4641e132ed6033e7fd98519bd62af0f3f3e938435a397b4291a3aa0dd41f76ee3e90161f38a19d2aab3b75e78b8fb38fe4f7a02dfed09bc

Download Submit
memory/2352-4-0x00000000003E0000-0x00000000003E8000-memory.dmp

Filesize
32KB

Download
memory/2352-32-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/2352-0-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/2352-5-0x00000000003F0000-0x00000000003FC000-memory.dmp

Filesize
48KB

Download
memory/2352-6-0x0000000004F50000-0x0000000004FD4000-memory.dmp

Filesize
528KB

Download
memory/2352-2-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/2352-1-0x0000000000F40000-0x0000000000FE8000-memory.dmp

Filesize
672KB

Download
memory/2352-3-0x0000000000320000-0x0000000000332000-memory.dmp

Filesize
72KB

Download
memory/2572-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2572-31-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2572-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2572-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2572-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2572-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2572-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2572-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download