agenttesla | 6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4

Analysis

max time kernel
142s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
24/04/2024, 01:30

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General

Target

6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe
Size

669KB
MD5

5385333a8618dac516b8b33b0bbf11a1
SHA1

3a1171327abe7aefeb85914afae6ec6c8bfbe6e0
SHA256

6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4
SHA512

0392fd0fc5f79b8c19655d279e882bf7cd83a4d841d1bf1f1845997396368734866f47d06c19fa0da48ecc305d2113611f65153e07ff6aae0c99a8137e9e3cea
SSDEEP

12288:x4WzE3RYDR05N+rTd2/6pjhHyKj1jb9WKhsq9Q/V8pekTGzd2S96QKNe:1WR03BAWj0Kj17YV8petwsK

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.starmech.net
Port:
587
Username:
[email protected]
Password:
nics123
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/5056-40-0x0000000000400000-0x0000000000442000-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/5056-40-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

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

resource	yara_rule
behavioral2/memory/5056-40-0x0000000000400000-0x0000000000442000-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/5056-40-0x0000000000400000-0x0000000000442000-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/5056-40-0x0000000000400000-0x0000000000442000-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/5056-40-0x0000000000400000-0x0000000000442000-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-1-5-21-1132431369-515282257-1998160155-1000\Control Panel\International\Geo\Nation	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BjTxJte = "C:\\Users\\Admin\\AppData\\Roaming\\BjTxJte\\BjTxJte.exe"	RegSvcs.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
37	api.ipify.org
38	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4856 set thread context of 5056	4856	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	102

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
3612	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
4856	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe
4288	powershell.exe
4288	powershell.exe
2712	powershell.exe
2712	powershell.exe
4856	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe
4856	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe
5056	RegSvcs.exe
5056	RegSvcs.exe
5056	RegSvcs.exe
4288	powershell.exe
2712	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4856	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe
Token: SeDebugPrivilege	2712	powershell.exe
Token: SeDebugPrivilege	4288	powershell.exe
Token: SeDebugPrivilege	5056	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5056	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4856 wrote to memory of 2712	4856	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	96
PID 4856 wrote to memory of 2712	4856	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	96
PID 4856 wrote to memory of 2712	4856	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	96
PID 4856 wrote to memory of 4288	4856	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	98
PID 4856 wrote to memory of 4288	4856	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	98
PID 4856 wrote to memory of 4288	4856	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	98
PID 4856 wrote to memory of 3612	4856	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	100
PID 4856 wrote to memory of 3612	4856	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	100
PID 4856 wrote to memory of 3612	4856	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	100
PID 4856 wrote to memory of 5056	4856	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	102
PID 4856 wrote to memory of 5056	4856	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	102
PID 4856 wrote to memory of 5056	4856	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	102
PID 4856 wrote to memory of 5056	4856	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	102
PID 4856 wrote to memory of 5056	4856	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	102
PID 4856 wrote to memory of 5056	4856	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	102
PID 4856 wrote to memory of 5056	4856	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	102
PID 4856 wrote to memory of 5056	4856	6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe	102

C:\Users\Admin\AppData\Local\Temp\6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe
"C:\Users\Admin\AppData\Local\Temp\6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4856
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\6c06c665c435cf95787310f59e984006711d50bf091ae610cb4440abae1448c4.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2712
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wpvgIECypA.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4288
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wpvgIECypA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5EAA.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3612
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:5056

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

Filesize
18KB

MD5
64a7b2fa3fd4a6c97e8b9bd70223ccf1

SHA1
99c9f1da3c48d9b8d557e767f54f544027eb2477

SHA256
8f2dcb1d121f3681a0bf88ce9236b45c26e66c4a83ebaf6acd89643e1323af24

SHA512
ac0be5ff49a5d633fa7cd726307230298059e4b662920539541cd47da15966e023ea85c4cc0310ca52eccd6b9c7a44d73da0effea7da46e7139dac6a81785bf8

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_40lykxca.hic.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5EAA.tmp

Filesize
1KB

MD5
1f00df9dd0775e714174a7682a7d4c07

SHA1
d728a12422d37717b631157e4c1648eb68572439

SHA256
f26ff5394a9d5b25bf26406aecbf21e9be0626818566e0d43d456db725821693

SHA512
0cc806f2f8014be9d340d52a4b75fe8a6e2a46104efc196c867977f01cad1a5f3dae0219c03cd2f12cd396b46a83f60ec4d78a0921f02214707afd06196582f3

Download Submit
memory/2712-29-0x0000000005B50000-0x0000000005BB6000-memory.dmp

Filesize
408KB

Download
memory/2712-27-0x00000000051E0000-0x0000000005202000-memory.dmp

Filesize
136KB

Download
memory/2712-99-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/2712-54-0x0000000006240000-0x000000000628C000-memory.dmp

Filesize
304KB

Download
memory/2712-87-0x00000000076D0000-0x00000000076E1000-memory.dmp

Filesize
68KB

Download
memory/2712-84-0x00000000074D0000-0x00000000074EA000-memory.dmp

Filesize
104KB

Download
memory/2712-55-0x000000007F670000-0x000000007F680000-memory.dmp

Filesize
64KB

Download
memory/2712-82-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/2712-56-0x0000000006770000-0x00000000067A2000-memory.dmp

Filesize
200KB

Download
memory/2712-17-0x0000000004C10000-0x0000000004C46000-memory.dmp

Filesize
216KB

Download
memory/2712-18-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/2712-19-0x0000000004C00000-0x0000000004C10000-memory.dmp

Filesize
64KB

Download
memory/2712-20-0x0000000004C00000-0x0000000004C10000-memory.dmp

Filesize
64KB

Download
memory/2712-21-0x0000000005280000-0x00000000058A8000-memory.dmp

Filesize
6.2MB

Download
memory/2712-80-0x0000000004C00000-0x0000000004C10000-memory.dmp

Filesize
64KB

Download
memory/2712-58-0x0000000071320000-0x000000007136C000-memory.dmp

Filesize
304KB

Download
memory/2712-28-0x0000000005AE0000-0x0000000005B46000-memory.dmp

Filesize
408KB

Download
memory/4288-83-0x00000000082B0000-0x000000000892A000-memory.dmp

Filesize
6.5MB

Download
memory/4288-89-0x0000000007EB0000-0x0000000007EC4000-memory.dmp

Filesize
80KB

Download
memory/4288-98-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/4288-91-0x0000000007F90000-0x0000000007F98000-memory.dmp

Filesize
32KB

Download
memory/4288-25-0x0000000003080000-0x0000000003090000-memory.dmp

Filesize
64KB

Download
memory/4288-88-0x0000000007EA0000-0x0000000007EAE000-memory.dmp

Filesize
56KB

Download
memory/4288-86-0x0000000007EF0000-0x0000000007F86000-memory.dmp

Filesize
600KB

Download
memory/4288-85-0x0000000007CE0000-0x0000000007CEA000-memory.dmp

Filesize
40KB

Download
memory/4288-53-0x0000000006940000-0x000000000695E000-memory.dmp

Filesize
120KB

Download
memory/4288-69-0x0000000006F00000-0x0000000006F1E000-memory.dmp

Filesize
120KB

Download
memory/4288-90-0x0000000007FB0000-0x0000000007FCA000-memory.dmp

Filesize
104KB

Download
memory/4288-22-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/4288-57-0x0000000071320000-0x000000007136C000-memory.dmp

Filesize
304KB

Download
memory/4288-59-0x000000007F3C0000-0x000000007F3D0000-memory.dmp

Filesize
64KB

Download
memory/4288-23-0x0000000003080000-0x0000000003090000-memory.dmp

Filesize
64KB

Download
memory/4288-70-0x0000000003080000-0x0000000003090000-memory.dmp

Filesize
64KB

Download
memory/4288-81-0x0000000007B20000-0x0000000007BC3000-memory.dmp

Filesize
652KB

Download
memory/4856-49-0x0000000005930000-0x0000000005940000-memory.dmp

Filesize
64KB

Download
memory/4856-4-0x0000000005940000-0x0000000005C94000-memory.dmp

Filesize
3.3MB

Download
memory/4856-12-0x000000000DAD0000-0x000000000DB6C000-memory.dmp

Filesize
624KB

Download
memory/4856-1-0x0000000000D10000-0x0000000000DBE000-memory.dmp

Filesize
696KB

Download
memory/4856-10-0x0000000006620000-0x0000000006634000-memory.dmp

Filesize
80KB

Download
memory/4856-9-0x0000000006460000-0x000000000646E000-memory.dmp

Filesize
56KB

Download
memory/4856-52-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/4856-6-0x00000000058A0000-0x00000000058AA000-memory.dmp

Filesize
40KB

Download
memory/4856-3-0x00000000057F0000-0x0000000005882000-memory.dmp

Filesize
584KB

Download
memory/4856-8-0x0000000006430000-0x0000000006448000-memory.dmp

Filesize
96KB

Download
memory/4856-5-0x0000000005930000-0x0000000005940000-memory.dmp

Filesize
64KB

Download
memory/4856-7-0x0000000006580000-0x000000000661E000-memory.dmp

Filesize
632KB

Download
memory/4856-11-0x0000000005180000-0x0000000005204000-memory.dmp

Filesize
528KB

Download
memory/4856-24-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/4856-2-0x0000000005D00000-0x00000000062A4000-memory.dmp

Filesize
5.6MB

Download
memory/4856-0-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/5056-40-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/5056-51-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/5056-100-0x00000000062D0000-0x0000000006320000-memory.dmp

Filesize
320KB

Download
memory/5056-101-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/5056-102-0x0000000004D50000-0x0000000004D60000-memory.dmp

Filesize
64KB

Download