agenttesla | e2604e06a1d397760f22a668b48821dc20f06a8c3a28d165b9c96569b0e88bbb

General

Target

0969686.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
3	1616	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-1-5-21-493223053-2004649691-1575712786-1000\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
43	api.ipify.org
44	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 1172 set thread context of 4848	1172	powershell.exe	109

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 6 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
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 4 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
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	3	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4368	vlc.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1172	powershell.exe
1172	powershell.exe
216	powershell.exe
216	powershell.exe
1172	powershell.exe
4848	MSBuild.exe
4848	MSBuild.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4368	vlc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1172	powershell.exe
Token: SeDebugPrivilege	216	powershell.exe
Token: SeDebugPrivilege	4848	MSBuild.exe

Suspicious use of FindShellTrayWindow 9 IoCs

pid	Process
4368	vlc.exe
4368	vlc.exe
4368	vlc.exe
4368	vlc.exe
4368	vlc.exe
4368	vlc.exe
4368	vlc.exe
4368	vlc.exe
4368	vlc.exe

Suspicious use of SendNotifyMessage 8 IoCs

pid	Process
4368	vlc.exe
4368	vlc.exe
4368	vlc.exe
4368	vlc.exe
4368	vlc.exe
4368	vlc.exe
4368	vlc.exe
4368	vlc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4368	vlc.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1652 wrote to memory of 1172	1652	WScript.exe	100
PID 1652 wrote to memory of 1172	1652	WScript.exe	100
PID 1652 wrote to memory of 216	1652	WScript.exe	107
PID 1652 wrote to memory of 216	1652	WScript.exe	107
PID 1172 wrote to memory of 4848	1172	powershell.exe	109
PID 1172 wrote to memory of 4848	1172	powershell.exe	109
PID 1172 wrote to memory of 4848	1172	powershell.exe	109
PID 1172 wrote to memory of 4848	1172	powershell.exe	109
PID 1172 wrote to memory of 4848	1172	powershell.exe	109
PID 1172 wrote to memory of 4848	1172	powershell.exe	109
PID 1172 wrote to memory of 4848	1172	powershell.exe	109
PID 1172 wrote to memory of 4848	1172	powershell.exe	109
PID 1172 wrote to memory of 468	1172	powershell.exe	111
PID 1172 wrote to memory of 468	1172	powershell.exe	111
PID 216 wrote to memory of 2528	216	powershell.exe	110
PID 216 wrote to memory of 2528	216	powershell.exe	110

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\0969686.vbe"
1⤵
- Blocklisted process makes network request
PID:1616

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:1652
- 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:1172
- - 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:4848
- - C:\Windows\system32\wermgr.exe
    "C:\Windows\system32\wermgr.exe" "-outproc" "0" "1172" "2732" "2668" "2736" "0" "0" "2740" "0" "0" "0" "0" "0"
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    PID:468
- 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:216
- - C:\Windows\system32\wermgr.exe
    "C:\Windows\system32\wermgr.exe" "-outproc" "0" "216" "2692" "2616" "2696" "0" "0" "2700" "0" "0" "0" "0" "0"
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    PID:2528

C:\Program Files\VideoLAN\VLC\vlc.exe
"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Desktop\StopRead.wma"
1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:4368

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

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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\Temp\__PSScriptPolicyTest_03wzgdtl.n3x.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
6736011979145b5df03cf100564214f6

SHA1
7e28f3bea6869edbe1ba53534ebf32d83a999f49

SHA256
999efc191ec19d6df170e790fb2d5a8c63c980ed12d7e5185bb53897e630c8f6

SHA512
84ae3c38211b0752be5bb83bb91bf7fc4dec05ac4e033484742f2f4559cc264e824a6e631720f4d3d72cdb19a72b58529dacf770d80972de834634ff8c8b6e82

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

Filesize
6KB

MD5
48ef19417ad556c55a5047473d727b81

SHA1
5db011d43a0b20994957735a61c6aefa64c463fb

SHA256
da6590f6e8260660646c1645d8cb556ddf241f65a72b6d2ea0704f4744dd3171

SHA512
4eb4537360d2e2e874a1cb77334c133ac0beeda08e63ef117683d3c6f110e68cea0bf47eb6b9fecc5ece597f9aaef475f111593c03385ed9d58a99ff2d018446

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

Filesize
2KB

MD5
477e3b6cbf610f72373118d4ca9cdbb2

SHA1
ca88c1b80fa6248644497449c294f92b5a32b300

SHA256
9d75154b064fc63a3de686569088ef8c7ac31f2826dc4557d5e7074535bbdf3c

SHA512
ad3d81784cb1199839e66c7b88ac1da0c14a7f8a6f3f9a7bbb496fc953f02253733e5f7370efe5c08d9c5f4a9f037d84d814e958ea8715732d9e3df14b94b119

Download Submit
memory/1172-13-0x0000015FFA350000-0x0000015FFA372000-memory.dmp

Filesize
136KB

Download
memory/1172-14-0x0000015FFB0D0000-0x0000015FFB114000-memory.dmp

Filesize
272KB

Download
memory/1172-15-0x0000015FFB1A0000-0x0000015FFB216000-memory.dmp

Filesize
472KB

Download
memory/1172-59-0x0000015FFA4B0000-0x0000015FFA4BC000-memory.dmp

Filesize
48KB

Download
memory/1172-58-0x0000015FFA4A0000-0x0000015FFA4A8000-memory.dmp

Filesize
32KB

Download
memory/4368-29-0x00007FF8185E0000-0x00007FF8185FD000-memory.dmp

Filesize
116KB

Download
memory/4368-27-0x00007FF818E30000-0x00007FF818E47000-memory.dmp

Filesize
92KB

Download
memory/4368-26-0x00007FF81F510000-0x00007FF81F521000-memory.dmp

Filesize
68KB

Download
memory/4368-31-0x00007FF816680000-0x00007FF81688B000-memory.dmp

Filesize
2.0MB

Download
memory/4368-25-0x00007FF81FCF0000-0x00007FF81FD07000-memory.dmp

Filesize
92KB

Download
memory/4368-38-0x00007FF8179C0000-0x00007FF8179D1000-memory.dmp

Filesize
68KB

Download
memory/4368-36-0x00007FF817A00000-0x00007FF817A11000-memory.dmp

Filesize
68KB

Download
memory/4368-35-0x00007FF817A20000-0x00007FF817A38000-memory.dmp

Filesize
96KB

Download
memory/4368-34-0x00007FF817A40000-0x00007FF817A61000-memory.dmp

Filesize
132KB

Download
memory/4368-33-0x00007FF817A70000-0x00007FF817AB1000-memory.dmp

Filesize
260KB

Download
memory/4368-37-0x00007FF8179E0000-0x00007FF8179F1000-memory.dmp

Filesize
68KB

Download
memory/4368-39-0x00007FF815F60000-0x00007FF8161B3000-memory.dmp

Filesize
2.3MB

Download
memory/4368-32-0x00007FF810730000-0x00007FF8117E0000-memory.dmp

Filesize
16.7MB

Download
memory/4368-23-0x00007FF817570000-0x00007FF817826000-memory.dmp

Filesize
2.7MB

Download
memory/4368-28-0x00007FF818920000-0x00007FF818931000-memory.dmp

Filesize
68KB

Download
memory/4368-30-0x00007FF817AC0000-0x00007FF817AD1000-memory.dmp

Filesize
68KB

Download
memory/4368-24-0x00007FF825740000-0x00007FF825758000-memory.dmp

Filesize
96KB

Download
memory/4368-22-0x00007FF817AE0000-0x00007FF817B14000-memory.dmp

Filesize
208KB

Download
memory/4368-113-0x00007FF810730000-0x00007FF8117E0000-memory.dmp

Filesize
16.7MB

Download
memory/4368-21-0x00007FF7EA6E0000-0x00007FF7EA7D8000-memory.dmp

Filesize
992KB

Download
memory/4368-91-0x00007FF810730000-0x00007FF8117E0000-memory.dmp

Filesize
16.7MB

Download
memory/4848-79-0x0000000004E20000-0x0000000004E86000-memory.dmp

Filesize
408KB

Download
memory/4848-78-0x00000000053D0000-0x0000000005974000-memory.dmp

Filesize
5.6MB

Download
memory/4848-99-0x0000000006340000-0x0000000006390000-memory.dmp

Filesize
320KB

Download
memory/4848-100-0x0000000006430000-0x00000000064C2000-memory.dmp

Filesize
584KB

Download
memory/4848-101-0x00000000063B0000-0x00000000063BA000-memory.dmp

Filesize
40KB

Download
memory/4848-60-0x0000000000780000-0x00000000007C0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads