agenttesla | 65f3918bbabd50999d9e2fede1ab068d5b8df7019f1210bc72bda826c693c1a9

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15/10/2024, 01:36

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General

Target

65f3918bbabd50999d9e2fede1ab068d5b8df7019f1210bc72bda826c693c1a9.vbs
Size

24KB
MD5

27cbf4229a58f07dcd2a8a025c7d9e06
SHA1

72d1d19362e929e6e8b2c666996ead710e4ce57d
SHA256

65f3918bbabd50999d9e2fede1ab068d5b8df7019f1210bc72bda826c693c1a9
SHA512

3d42afe7b0c4e8ce6fcda3bbb05870c8a69774590e639b8ed3bf71779cbf3e762c0a4b3dd1fc5a966f413e6499c9c61242ecc0e1e63395dc278731cf06160767
SSDEEP

192:eMIPpW99qA+mDnm1A1w1FgrsyK4sezv4zHv7vXCd0nApy2OsEALWdJYHLlmpw3nq:+PyqjIP9CdAssElOkUc2DmJXM9h8HXGy

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

Blocklisted process makes network request 1 IoCs

flow	pid	Process
1	2772	WScript.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\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
69	api.ipify.org
70	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 3412 set thread context of 2508	3412	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 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	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	wermgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	wermgr.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.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

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\SystemSKU	EXCEL.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	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000_Classes\Local Settings	WScript.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: AddClipboardFormatListener 1 IoCs

pid	Process
2156	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
3412	powershell.exe
3412	powershell.exe
1820	powershell.exe
1820	powershell.exe
1820	powershell.exe
3412	powershell.exe
3412	powershell.exe
2508	MSBuild.exe
2508	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3412	powershell.exe
Token: SeDebugPrivilege	1820	powershell.exe
Token: SeDebugPrivilege	2508	MSBuild.exe

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
2156	EXCEL.EXE
2156	EXCEL.EXE
2156	EXCEL.EXE
2156	EXCEL.EXE
2156	EXCEL.EXE
2156	EXCEL.EXE
2156	EXCEL.EXE
2156	EXCEL.EXE
2156	EXCEL.EXE
2156	EXCEL.EXE
2156	EXCEL.EXE
2156	EXCEL.EXE
2156	EXCEL.EXE
2156	EXCEL.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 2772	2216	WScript.exe	83
PID 2216 wrote to memory of 2772	2216	WScript.exe	83
PID 232 wrote to memory of 3412	232	WScript.exe	98
PID 232 wrote to memory of 3412	232	WScript.exe	98
PID 232 wrote to memory of 1820	232	WScript.exe	107
PID 232 wrote to memory of 1820	232	WScript.exe	107
PID 3412 wrote to memory of 2508	3412	powershell.exe	109
PID 3412 wrote to memory of 2508	3412	powershell.exe	109
PID 3412 wrote to memory of 2508	3412	powershell.exe	109
PID 3412 wrote to memory of 2508	3412	powershell.exe	109
PID 3412 wrote to memory of 2508	3412	powershell.exe	109
PID 3412 wrote to memory of 2508	3412	powershell.exe	109
PID 3412 wrote to memory of 2508	3412	powershell.exe	109
PID 3412 wrote to memory of 2508	3412	powershell.exe	109
PID 3412 wrote to memory of 4084	3412	powershell.exe	111
PID 3412 wrote to memory of 4084	3412	powershell.exe	111
PID 1820 wrote to memory of 4772	1820	powershell.exe	110
PID 1820 wrote to memory of 4772	1820	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\65f3918bbabd50999d9e2fede1ab068d5b8df7019f1210bc72bda826c693c1a9.vbs"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\ProgramData\restored.vbe"
  2⤵
  - Blocklisted process makes network request
  PID:2772

C:\Windows\System32\WScript.exe
C:\Windows\System32\WScript.exe "C:\Users\Admin\AppData\Roaming\MjRtEXpmLwgnbtg.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:232
- 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:3412
- - 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:2508
- - C:\Windows\system32\wermgr.exe
    "C:\Windows\system32\wermgr.exe" "-outproc" "0" "3412" "2712" "2652" "2716" "0" "0" "2720" "0" "0" "0" "0" "0"
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    PID:4084
- 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:1820
- - C:\Windows\system32\wermgr.exe
    "C:\Windows\system32\wermgr.exe" "-outproc" "0" "1820" "2688" "2624" "2692" "0" "0" "2696" "0" "0" "0" "0" "0"
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    PID:4772

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\Desktop\StepRemove.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2156

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\restored.vbe

Filesize
11KB

MD5
8be88e1bc506923fe2f5508eafe18352

SHA1
b5acc8b85c25ffc811484207269602e772e97309

SHA256
0a9f0d0f9c7d23ca1774149a637c6776c90453dc9a70b00f62a8e446c20c58f8

SHA512
1555c8ff722f43431b40aefba691fcb0fcdee9349e9c622e13e62e97692127a7378083bd3b0f6fb8bb29068a62eb3b1a1e8bf0b8eb1f694a000ee4e8d47c80b9

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

Filesize
3KB

MD5
9461a7cfb20ff5381df28f51b80c5ef1

SHA1
c86c53fca1dcbe307dafbefbb366abf52c9f5eca

SHA256
d4af1948337d0deb725f4f2b1fe1a9b60f4519841e28748b11bfd62ccd71e028

SHA512
da1e17f67dfebb004ba93d489be504fd7af6d62709ada2581ffa77880baecdaa0015b49d36333d18216d9dc6aad7b0ea2e5bd224d8d3f65ee9b66a05fc45e304

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_2ndwhr2q.ucg.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat

Filesize
381B

MD5
584a1321351ff63bb8dc24b80e006a8c

SHA1
1e212e0fbfab5ea7cef6a6676ac68ff7d6e69463

SHA256
49cc9e323fbee6ed192ef4486620a6265511a988905b2497dc69e552a2fe39ee

SHA512
444eb7f6c2b019463e5c19336e56c826bf946ea010a80bacfde1861f8c5283fbfa031e53b8abe8f004ac3d6530282a110de9b23dd65b6f50aede8b97a30e3731

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

Filesize
6KB

MD5
4c5344523d70e6ae7f12296f861626a7

SHA1
5ef7a2b0c2d33dd45abb3dc30c999bdb9b8e85f8

SHA256
98f1f07f1c0f0e7fc82df5f11fd15c8bed437ed6a2883324ac9c1a0c72e2f66f

SHA512
7320619d2a206f34a25ca9c9d3d4c542315d4c68ce9b2978949dd14740863dfa9c79a98235d12a04d00324f61c17764192a2c3432691113dff361433459a0345

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

Filesize
6KB

MD5
1c8d59d182f3c292f1f38994b98ea8fd

SHA1
0d41df8f002c7f518d86af822e283e8de6a8a629

SHA256
ecb0863bc73193ed2f366d16978595f30658fa70547b2570e003604259ecfd0b

SHA512
42b35987e1ed09973ae3a6ca1d24f3d764ff3c200865a04ae3528c32c647dcaabdd565a1be3e5a4cbbd17a71ad7f9513a60dc697ea68cc61e812ca31c1cc3ea1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
2KB

MD5
2a9d8391d016edf08b4aa0aaf0d81d36

SHA1
5f8b63e3afb34c2420e2b8505bca38a2fc6b32d6

SHA256
6853aeb5eae404bf197da06cef8247669c35e1a0d1c266b5629221a2422f92cd

SHA512
d17b16dc62d7f72349f22a54a74f83c9005270cdfabdff4877c37cfd2f6714f18a03d8d1e637cf620cbcbf86a11ed217eda42bb5c23e91b7b483abdf7170a270

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
2KB

MD5
9438818c7cee2cb31d50e5e9f9bcdafb

SHA1
e8709a0ca1f2118413b36d57060be70cc1dbc3ea

SHA256
97292fbd0c419075ca01acb3d7a383868e8cbac9bcb53e0a4b09667f22b32c6b

SHA512
13f42c63c45254479dd4f8495f5c0c5bc64674f0eb591cdaf4733a33213018f3dfad80fc15f575f5a714ce107e1e7037af4a1c76d0a24fb3656b742b1817b293

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

Filesize
2KB

MD5
21d42a68c7a33bd16dde0bf97f0352f4

SHA1
4ba69492895c1ddce743e10b48f43e65c5cc82cc

SHA256
afc7cc6b833fce873e88e0d87c3c72e3db59bb6c3029e83ac5b62a94eacf9ff6

SHA512
a4e7f50777b5551326154c9e27afef636171626743e8198e396614b0563076f292fe6d407e52021d65976a31cbe23d47200666762cd5c557736dca09aeaeb13b

Download Submit
memory/2156-21-0x00007FFC54CB0000-0x00007FFC54CC0000-memory.dmp

Filesize
64KB

Download
memory/2156-24-0x00007FFC52B50000-0x00007FFC52B60000-memory.dmp

Filesize
64KB

Download
memory/2156-25-0x00007FFC52B50000-0x00007FFC52B60000-memory.dmp

Filesize
64KB

Download
memory/2156-23-0x00007FFC54CB0000-0x00007FFC54CC0000-memory.dmp

Filesize
64KB

Download
memory/2156-22-0x00007FFC54CB0000-0x00007FFC54CC0000-memory.dmp

Filesize
64KB

Download
memory/2156-20-0x00007FFC54CB0000-0x00007FFC54CC0000-memory.dmp

Filesize
64KB

Download
memory/2156-19-0x00007FFC54CB0000-0x00007FFC54CC0000-memory.dmp

Filesize
64KB

Download
memory/2508-100-0x0000000005B80000-0x0000000006124000-memory.dmp

Filesize
5.6MB

Download
memory/2508-82-0x0000000000F70000-0x0000000000FB0000-memory.dmp

Filesize
256KB

Download
memory/2508-101-0x0000000005740000-0x00000000057A6000-memory.dmp

Filesize
408KB

Download
memory/2508-102-0x0000000006C70000-0x0000000006CC0000-memory.dmp

Filesize
320KB

Download
memory/2508-103-0x0000000006D60000-0x0000000006DF2000-memory.dmp

Filesize
584KB

Download
memory/2508-104-0x0000000006CE0000-0x0000000006CEA000-memory.dmp

Filesize
40KB

Download
memory/3412-17-0x0000025720000000-0x0000025720044000-memory.dmp

Filesize
272KB

Download
memory/3412-80-0x000002571FFD0000-0x000002571FFD8000-memory.dmp

Filesize
32KB

Download
memory/3412-81-0x000002571FFE0000-0x000002571FFEC000-memory.dmp

Filesize
48KB

Download
memory/3412-7-0x000002571FE80000-0x000002571FEA2000-memory.dmp

Filesize
136KB

Download
memory/3412-18-0x00000257224A0000-0x0000025722516000-memory.dmp

Filesize
472KB

Download