agenttesla | e5b8a3e2cdc609010cf39a2738171e269dab41b06f1f0443e0d5ed7393f2b0e7

General

Target

e5b8a3e2cdc609010cf39a2738171e269dab41b06f1f0443e0d5ed7393f2b0e7.vbe
Size

1.2MB
MD5

1248756083db7da261a13f0e48dd517d
SHA1

1d1ba6d89043170791758e74f805edd23efcf105
SHA256

e5b8a3e2cdc609010cf39a2738171e269dab41b06f1f0443e0d5ed7393f2b0e7
SHA512

f5596b7fbe4a61229d609a052d0fd6ffe8ecf0fe32cac7126296cac008d19925516bea6fb6c90cc4bd4b5d9f5278eca31b9e77869f890263a084d8e7b136a91b
SSDEEP

24576:ZnPZ7ZYu2j38F8hadKwLqVGISlFX7D8TfowsAhYgb5s26P8tWuYX2GK9OvloQH9r:GQ

Score

10^/10

agenttesla execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
162.254.34.31
Port:
587
Username:
[email protected]
Password:
JaR4LTajHPY5
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/1588-48-0x0000000000400000-0x0000000000440000-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/1588-48-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

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

resource	yara_rule
behavioral2/memory/1588-48-0x0000000000400000-0x0000000000440000-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/1588-48-0x0000000000400000-0x0000000000440000-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/1588-48-0x0000000000400000-0x0000000000440000-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/1588-48-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation	WScript.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
15	api.ipify.org

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\%AppData%\Microsoft\Windows\Start Menu\Programs\Windows PowerShell\Windows PowerShell.lnk	powershell.exe
File opened for modification	C:\Windows\System32\%AppData%\Microsoft\Windows\Start Menu\Programs\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 812 set thread context of 1588	812	powershell.exe	100

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 9 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	POWERPNT.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	wermgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	wermgr.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	POWERPNT.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	POWERPNT.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	wermgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	wermgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	wermgr.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	wermgr.exe

Enumerates system info in registry 2 TTPs 7 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	POWERPNT.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	POWERPNT.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	wermgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	wermgr.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	wermgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	wermgr.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	POWERPNT.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2428	POWERPNT.EXE

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
812	powershell.exe
812	powershell.exe
4912	powershell.exe
4912	powershell.exe
812	powershell.exe
1588	MSBuild.exe
1588	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	812	powershell.exe
Token: SeDebugPrivilege	4912	powershell.exe
Token: SeDebugPrivilege	1588	MSBuild.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2428	POWERPNT.EXE
2428	POWERPNT.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3504 wrote to memory of 812	3504	WScript.exe	92
PID 3504 wrote to memory of 812	3504	WScript.exe	92
PID 3504 wrote to memory of 4912	3504	WScript.exe	98
PID 3504 wrote to memory of 4912	3504	WScript.exe	98
PID 812 wrote to memory of 1588	812	powershell.exe	100
PID 812 wrote to memory of 1588	812	powershell.exe	100
PID 812 wrote to memory of 1588	812	powershell.exe	100
PID 812 wrote to memory of 1588	812	powershell.exe	100
PID 812 wrote to memory of 1588	812	powershell.exe	100
PID 812 wrote to memory of 1588	812	powershell.exe	100
PID 812 wrote to memory of 1588	812	powershell.exe	100
PID 812 wrote to memory of 1588	812	powershell.exe	100
PID 4912 wrote to memory of 244	4912	powershell.exe	101
PID 4912 wrote to memory of 244	4912	powershell.exe	101
PID 812 wrote to memory of 1360	812	powershell.exe	102
PID 812 wrote to memory of 1360	812	powershell.exe	102

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\e5b8a3e2cdc609010cf39a2738171e269dab41b06f1f0443e0d5ed7393f2b0e7.vbe"
1⤵
PID:3384

C:\Windows\System32\WScript.exe
C:\Windows\System32\WScript.exe "C:\Users\Admin\UIyhDipbjgVeCeX.js"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3504
- C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:812
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1588
- - C:\Windows\system32\wermgr.exe
    "C:\Windows\system32\wermgr.exe" "-outproc" "0" "812" "2788" "2728" "2792" "0" "0" "2796" "0" "0" "0" "0" "0"
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    PID:1360
- C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4912
- - C:\Windows\system32\wermgr.exe
    "C:\Windows\system32\wermgr.exe" "-outproc" "0" "4912" "2692" "2612" "2696" "0" "0" "2700" "0" "0" "0" "0" "0"
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    PID:244

C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE
"C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE" /s "C:\Users\Admin\Desktop\SetRegister.pps" /ou ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

JavaScript

1

T1059.007

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

4

T1012

System Information Discovery

4

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
3KB

MD5
3f01549ee3e4c18244797530b588dad9

SHA1
3e87863fc06995fe4b741357c68931221d6cc0b9

SHA256
36b51e575810b6af6fc5e778ce0f228bc7797cd3224839b00829ca166fa13f9a

SHA512
73843215228865a4186ac3709bf2896f0f68da0ba3601cc20226203dd429a2ad9817b904a45f6b0456b8be68deebf3b011742a923ce4a77c0c6f3a155522ab50

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache

Filesize
53KB

MD5
a26df49623eff12a70a93f649776dab7

SHA1
efb53bd0df3ac34bd119adf8788127ad57e53803

SHA256
4ebde1c12625cb55034d47e5169f709b0bd02a8caa76b5b9854efad7f4710245

SHA512
e5f9b8645fb2a50763fcbffe877ca03e9cadf099fe2d510b74bfa9ff18d0a6563d11160e00f495eeefebde63450d0ade8d6b6a824e68bd8a59e1971dc842709c

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

Filesize
3KB

MD5
6e809f4c18466a0a63db912fb7a2441c

SHA1
d88653e1426406c3175c3fee38d55cd94a1ec5b1

SHA256
2a684a0f36716559ec3fef1d5cdcd0fa7d48cd59e40457b7adc4d7b1f9a0c9fa

SHA512
b47bb55f42d8930277dcab4d3850aba5b1f40b794f07cf1a0858b7280dc8bab243f445c50d2a45fa183c8f664c4864f476d4565c85380fc10cf45fe53d16100c

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_f5sbspxa.aof.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
6KB

MD5
a6d531d1006e62cde278b3fb956900b2

SHA1
7540e08eca955c7731762f5cd81a19315be751e6

SHA256
ee20b77fcdb02403a824cbb832f6dfc28b8a40dc7305db0432657939084ae08c

SHA512
904e13eb7eec11b72be81d01d8eb0898b865c70971e4cd12a6b15ffa501159ecfcc9dfc92f8f4f7a8b87761415da9c5135034a8b72cc5c9eaaecf4719a69af03

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
6KB

MD5
6bccf5c25775a4b4905942f385f9a886

SHA1
1f28f423e9b197287d71edcde956c835d9f0533d

SHA256
0877f032d377870e19a5f534ab6ddf8c8ca9f7675d57f246f4a1eaed56c84afe

SHA512
d15791811471f1e5a364f8e39aeb33dea1610796090af19ae1447705c5d5142a48f504cbea7451da3bb529cec3346e6c227673185980f243408d6c312ae1b9d6

Download Submit
C:\Users\Admin\UIyhDipbjgVeCeX.js

Filesize
2KB

MD5
e834ed26edf38e887873eb92122dda18

SHA1
20a7e9d6a2f904f2715cf81791c52fec319140ca

SHA256
1e67f2aa970337225c58b9c632d81fbee9400977f0d499aa45934783a846510f

SHA512
33212d4d7278135fe071969fa5d1ff1aba4a8b998c9def0738fe99c3eca01ff98d81585e8bdf25a3c2172aca0b09503d8e59a7d18e5838b7447e540207612b37

Download Submit
memory/812-4-0x000001E86D950000-0x000001E86D972000-memory.dmp

Filesize
136KB

Download
memory/812-14-0x000001E86DE10000-0x000001E86DE54000-memory.dmp

Filesize
272KB

Download
memory/812-15-0x000001E86DEE0000-0x000001E86DF56000-memory.dmp

Filesize
472KB

Download
memory/812-47-0x000001E86DE00000-0x000001E86DE0C000-memory.dmp

Filesize
48KB

Download
memory/812-46-0x000001E86DDF0000-0x000001E86DDF8000-memory.dmp

Filesize
32KB

Download
memory/1588-68-0x00000000052B0000-0x0000000005316000-memory.dmp

Filesize
408KB

Download
memory/1588-50-0x0000000005650000-0x0000000005BF4000-memory.dmp

Filesize
5.6MB

Download
memory/1588-71-0x0000000006800000-0x000000000680A000-memory.dmp

Filesize
40KB

Download
memory/1588-70-0x0000000006900000-0x0000000006992000-memory.dmp

Filesize
584KB

Download
memory/1588-69-0x0000000006810000-0x0000000006860000-memory.dmp

Filesize
320KB

Download
memory/1588-48-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2428-16-0x00007FF82C070000-0x00007FF82C080000-memory.dmp

Filesize
64KB

Download
memory/2428-17-0x00007FF82C070000-0x00007FF82C080000-memory.dmp

Filesize
64KB

Download
memory/2428-18-0x00007FF82C070000-0x00007FF82C080000-memory.dmp

Filesize
64KB

Download
memory/2428-22-0x00007FF8298A0000-0x00007FF8298B0000-memory.dmp

Filesize
64KB

Download
memory/2428-19-0x00007FF82C070000-0x00007FF82C080000-memory.dmp

Filesize
64KB

Download
memory/2428-20-0x00007FF82C070000-0x00007FF82C080000-memory.dmp

Filesize
64KB

Download
memory/2428-21-0x00007FF8298A0000-0x00007FF8298B0000-memory.dmp

Filesize
64KB

Download
memory/2428-75-0x00007FF82C070000-0x00007FF82C080000-memory.dmp

Filesize
64KB

Download
memory/2428-76-0x00007FF82C070000-0x00007FF82C080000-memory.dmp

Filesize
64KB

Download
memory/2428-78-0x00007FF82C070000-0x00007FF82C080000-memory.dmp

Filesize
64KB

Download
memory/2428-77-0x00007FF82C070000-0x00007FF82C080000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads