agenttesla | e2604e06a1d397760f22a668b48821dc20f06a8c3a28d165b9c96569b0e88bbb

General

Target

e2604e06a1d397760f22a668b48821dc20f06a8c3a28d165b9c96569b0e88bbb.vbe
Size

11KB
MD5

4565da69d82d3d17f33436b132261de7
SHA1

5e124ae25d9ec64cc681546299e0fa2d4f4b50d4
SHA256

e2604e06a1d397760f22a668b48821dc20f06a8c3a28d165b9c96569b0e88bbb
SHA512

7390abe671d2ad1a430bfb69888cdcb7f6e9284cc9432338a5b1eddeb0624987b92a56009e50c283c46894256ca1ab43640cac3ecbf09bd4b69867cccb6f4329
SSDEEP

192:YeHNd/sigyX/tr7b7RMAv0Evwfk5Pv4fX//CxHQ6V62nN4je5K:zHMiTFPXHvwfk5PvQiHQ6EGijT

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
162.254.34.31
Port:
587
Username:
[email protected]
Password:
M992uew1mw6Z
Email To:
[email protected]

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 1 IoCs

flow	pid	Process
1	4196	WScript.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

Looks up external IP address via web service 2 IoCs

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

flow	ioc
36	api.ipify.org
37	api.ipify.org

Drops file in System32 directory 1 IoCs

description	ioc	Process
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 1488 set thread context of 2832	1488	powershell.exe	95

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

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
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

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Script User-Agent 1 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	1	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1488	powershell.exe
1488	powershell.exe
1488	powershell.exe
2832	MSBuild.exe
2832	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1488	powershell.exe
Token: SeDebugPrivilege	2832	MSBuild.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3088 wrote to memory of 1488	3088	WScript.exe	92
PID 3088 wrote to memory of 1488	3088	WScript.exe	92
PID 1488 wrote to memory of 2832	1488	powershell.exe	95
PID 1488 wrote to memory of 2832	1488	powershell.exe	95
PID 1488 wrote to memory of 2832	1488	powershell.exe	95
PID 1488 wrote to memory of 2832	1488	powershell.exe	95
PID 1488 wrote to memory of 2832	1488	powershell.exe	95
PID 1488 wrote to memory of 2832	1488	powershell.exe	95
PID 1488 wrote to memory of 2832	1488	powershell.exe	95
PID 1488 wrote to memory of 2832	1488	powershell.exe	95
PID 1488 wrote to memory of 1852	1488	powershell.exe	96
PID 1488 wrote to memory of 1852	1488	powershell.exe	96

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\e2604e06a1d397760f22a668b48821dc20f06a8c3a28d165b9c96569b0e88bbb.vbe"
1⤵
- Blocklisted process makes network request
PID:4196

C:\Windows\System32\WScript.exe
C:\Windows\System32\WScript.exe "C:\Users\Admin\AppData\Roaming\uaDoJtHubxengYS.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3088
- 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:1488
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2832
- - C:\Windows\system32\wermgr.exe
    "C:\Windows\system32\wermgr.exe" "-outproc" "0" "1488" "2712" "2644" "2716" "0" "0" "2720" "0" "0" "0" "0" "0"
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    PID:1852

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

4

T1012

System Information Discovery

4

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cblvanqi.gsi.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\uaDoJtHubxengYS.vbs

Filesize
2KB

MD5
477e3b6cbf610f72373118d4ca9cdbb2

SHA1
ca88c1b80fa6248644497449c294f92b5a32b300

SHA256
9d75154b064fc63a3de686569088ef8c7ac31f2826dc4557d5e7074535bbdf3c

SHA512
ad3d81784cb1199839e66c7b88ac1da0c14a7f8a6f3f9a7bbb496fc953f02253733e5f7370efe5c08d9c5f4a9f037d84d814e958ea8715732d9e3df14b94b119

Download Submit
memory/1488-18-0x0000024147450000-0x000002414745A000-memory.dmp

Filesize
40KB

Download
memory/1488-14-0x00000241601B0000-0x00000241601F4000-memory.dmp

Filesize
272KB

Download
memory/1488-15-0x0000024160280000-0x00000241602F6000-memory.dmp

Filesize
472KB

Download
memory/1488-17-0x0000024147410000-0x0000024147418000-memory.dmp

Filesize
32KB

Download
memory/1488-4-0x0000024147420000-0x0000024147442000-memory.dmp

Filesize
136KB

Download
memory/2832-19-0x0000000001030000-0x0000000001070000-memory.dmp

Filesize
256KB

Download
memory/2832-29-0x0000000005C50000-0x00000000061F4000-memory.dmp

Filesize
5.6MB

Download
memory/2832-30-0x00000000057A0000-0x0000000005806000-memory.dmp

Filesize
408KB

Download
memory/2832-31-0x0000000006BE0000-0x0000000006C30000-memory.dmp

Filesize
320KB

Download
memory/2832-32-0x0000000006CD0000-0x0000000006D62000-memory.dmp

Filesize
584KB

Download
memory/2832-33-0x0000000006C50000-0x0000000006C5A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads