agenttesla | 65f3918bbabd50999d9e2fede1ab068d5b8df7019f1210bc72bda826c693c1a9

General

Target

EQORY0083009.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	4964	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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\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
41	api.ipify.org
42	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 2744 set thread context of 1712	2744	powershell.exe	98

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 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
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 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

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000_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
692	vlc.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2744	powershell.exe
2744	powershell.exe
4604	powershell.exe
4604	powershell.exe
2744	powershell.exe
1712	MSBuild.exe
1712	MSBuild.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
692	vlc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2744	powershell.exe
Token: SeDebugPrivilege	4604	powershell.exe
Token: SeDebugPrivilege	1712	MSBuild.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
692	vlc.exe
692	vlc.exe
692	vlc.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
692	vlc.exe
692	vlc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
692	vlc.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1224 wrote to memory of 4964	1224	WScript.exe	83
PID 1224 wrote to memory of 4964	1224	WScript.exe	83
PID 620 wrote to memory of 2744	620	WScript.exe	91
PID 620 wrote to memory of 2744	620	WScript.exe	91
PID 620 wrote to memory of 4604	620	WScript.exe	96
PID 620 wrote to memory of 4604	620	WScript.exe	96
PID 2744 wrote to memory of 1712	2744	powershell.exe	98
PID 2744 wrote to memory of 1712	2744	powershell.exe	98
PID 2744 wrote to memory of 1712	2744	powershell.exe	98
PID 2744 wrote to memory of 1712	2744	powershell.exe	98
PID 2744 wrote to memory of 1712	2744	powershell.exe	98
PID 2744 wrote to memory of 1712	2744	powershell.exe	98
PID 2744 wrote to memory of 1712	2744	powershell.exe	98
PID 2744 wrote to memory of 1712	2744	powershell.exe	98
PID 2744 wrote to memory of 3204	2744	powershell.exe	99
PID 2744 wrote to memory of 3204	2744	powershell.exe	99
PID 4604 wrote to memory of 3468	4604	powershell.exe	100
PID 4604 wrote to memory of 3468	4604	powershell.exe	100

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\EQORY0083009.vbs"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1224
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\ProgramData\restored.vbe"
  2⤵
  - Blocklisted process makes network request
  PID:4964

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:620
- 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:2744
- - 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:1712
- - C:\Windows\system32\wermgr.exe
    "C:\Windows\system32\wermgr.exe" "-outproc" "0" "2744" "2712" "2668" "2716" "0" "0" "2720" "0" "0" "0" "0" "0"
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    PID:3204
- 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:4604
- - C:\Windows\system32\wermgr.exe
    "C:\Windows\system32\wermgr.exe" "-outproc" "0" "4604" "2680" "2620" "2684" "0" "0" "2688" "0" "0" "0" "0" "0"
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    PID:3468

C:\Program Files\VideoLAN\VLC\vlc.exe
"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Desktop\SaveBackup.TTS"
1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:692

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:\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_gzi5muij.o5a.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
a84250eb99d3e3ceb9935055727f28ed

SHA1
e3a1ce2bd1e1305cc71b201c334faecc02c3a5ef

SHA256
2c9d1dfb2db20ea8c5be3ee0d20776f08f41e51ba4937566faaddaf4441fb1fa

SHA512
a86591f42437a4d3fb53a6639ba2fed3caa6286ed8d0afafea79f222e68cccf61fee6214a7320ac5b25b5d0a02b9a991054fe14951c088d0758f4727fb0be4aa

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

Filesize
6KB

MD5
9a95d6fd608f0906e30b0a2d2fb1573c

SHA1
43bcfb0e17d5016e67d0b173e56fd69d4094e223

SHA256
c26f93425e962b604fb11a15c17540275f3717dc8c190afe43ba1171b2a5ca4a

SHA512
55a25cb2e9ab8bff9a0a3b87f2d352b338c140547167d28d27f69e64bb4be877f5d5ddb71798f0e61b9e9e48006818baad76801f448a36eae59bb0571173d187

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

Filesize
2KB

MD5
21d42a68c7a33bd16dde0bf97f0352f4

SHA1
4ba69492895c1ddce743e10b48f43e65c5cc82cc

SHA256
afc7cc6b833fce873e88e0d87c3c72e3db59bb6c3029e83ac5b62a94eacf9ff6

SHA512
a4e7f50777b5551326154c9e27afef636171626743e8198e396614b0563076f292fe6d407e52021d65976a31cbe23d47200666762cd5c557736dca09aeaeb13b

Download Submit
memory/692-21-0x00007FFB27E30000-0x00007FFB280E6000-memory.dmp

Filesize
2.7MB

Download
memory/692-23-0x00007FFB3F830000-0x00007FFB3F847000-memory.dmp

Filesize
92KB

Download
memory/692-19-0x00007FF7A5DC0000-0x00007FF7A5EB8000-memory.dmp

Filesize
992KB

Download
memory/692-27-0x00007FFB29590000-0x00007FFB295AD000-memory.dmp

Filesize
116KB

Download
memory/692-26-0x00007FFB29A40000-0x00007FFB29A51000-memory.dmp

Filesize
68KB

Download
memory/692-31-0x00007FFB292B0000-0x00007FFB292D1000-memory.dmp

Filesize
132KB

Download
memory/692-30-0x00007FFB293F0000-0x00007FFB29431000-memory.dmp

Filesize
260KB

Download
memory/692-29-0x00007FFB24310000-0x00007FFB2451B000-memory.dmp

Filesize
2.0MB

Download
memory/692-36-0x00007FFB28F50000-0x00007FFB28F61000-memory.dmp

Filesize
68KB

Download
memory/692-37-0x00007FFB25D70000-0x00007FFB25DCC000-memory.dmp

Filesize
368KB

Download
memory/692-35-0x00007FFB28F70000-0x00007FFB28F81000-memory.dmp

Filesize
68KB

Download
memory/692-34-0x00007FFB28F90000-0x00007FFB28FA1000-memory.dmp

Filesize
68KB

Download
memory/692-33-0x00007FFB28FB0000-0x00007FFB28FC8000-memory.dmp

Filesize
96KB

Download
memory/692-25-0x00007FFB31800000-0x00007FFB31817000-memory.dmp

Filesize
92KB

Download
memory/692-24-0x00007FFB318D0000-0x00007FFB318E1000-memory.dmp

Filesize
68KB

Download
memory/692-28-0x00007FFB29440000-0x00007FFB29451000-memory.dmp

Filesize
68KB

Download
memory/692-22-0x00007FFB40450000-0x00007FFB40468000-memory.dmp

Filesize
96KB

Download
memory/692-32-0x00007FFB23260000-0x00007FFB24310000-memory.dmp

Filesize
16.7MB

Download
memory/692-20-0x00007FFB2A3A0000-0x00007FFB2A3D4000-memory.dmp

Filesize
208KB

Download
memory/692-113-0x00007FFB23260000-0x00007FFB24310000-memory.dmp

Filesize
16.7MB

Download
memory/692-94-0x00007FFB23260000-0x00007FFB24310000-memory.dmp

Filesize
16.7MB

Download
memory/1712-58-0x0000000001100000-0x0000000001140000-memory.dmp

Filesize
256KB

Download
memory/1712-76-0x0000000005DA0000-0x0000000006344000-memory.dmp

Filesize
5.6MB

Download
memory/1712-77-0x0000000005860000-0x00000000058C6000-memory.dmp

Filesize
408KB

Download
memory/1712-78-0x0000000006CA0000-0x0000000006CF0000-memory.dmp

Filesize
320KB

Download
memory/1712-79-0x0000000006D90000-0x0000000006E22000-memory.dmp

Filesize
584KB

Download
memory/1712-80-0x0000000006D10000-0x0000000006D1A000-memory.dmp

Filesize
40KB

Download
memory/2744-56-0x000001A05D790000-0x000001A05D798000-memory.dmp

Filesize
32KB

Download
memory/2744-57-0x000001A05D810000-0x000001A05D81C000-memory.dmp

Filesize
48KB

Download
memory/2744-7-0x000001A05D7A0000-0x000001A05D7C2000-memory.dmp

Filesize
136KB

Download
memory/2744-17-0x000001A05FCF0000-0x000001A05FD34000-memory.dmp

Filesize
272KB

Download
memory/2744-18-0x000001A05FDC0000-0x000001A05FE36000-memory.dmp

Filesize
472KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads