agenttesla | 1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8

Analysis

max time kernel
120s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
29-04-2024 01:07

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General

Target

1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe
Size

823KB
MD5

48c4494e4bff82d39ad2ac8173c65bfb
SHA1

1f7fab7375e94b25dd32bc60fc40a76f43ca8862
SHA256

1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8
SHA512

0cf2a5d4eddab765e7f8b1a0e56bc51a190b92fdc524ce6584ca64e834007260bd1cb3fa3380c5dea25838c1673dc5fac5e7e3879dbdcb51caf70c78cd5dde86
SSDEEP

24576:52PjKr5BNDgk95z+mdcxk3IzWTaKHfhnlMh:kk5BNskumdcK3L//Mh

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
dKjVwpK4 dKjVwpK4 dKjVwpK4
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

Processes:

resource	yara_rule
behavioral2/memory/4896-44-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4896-44-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4896-44-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

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

Processes:

resource	yara_rule
behavioral2/memory/4896-44-0x0000000000400000-0x0000000000442000-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

Processes:

resource	yara_rule
behavioral2/memory/4896-44-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4896-44-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4896-44-0x0000000000400000-0x0000000000442000-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

Processes:

1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation	1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

16 ip-api.com

flow	ioc
16	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

Processes:

1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe

description	pid	process	target process
PID 3748 set thread context of 4896	3748	1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe	MSBuild.exe

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

Processes:

schtasks.exe

pid process

4016 schtasks.exe

pid	process
4016	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exepowershell.exepowershell.exeMSBuild.exe

pid	process
3748	1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe
3712	powershell.exe
1536	powershell.exe
3712	powershell.exe
3748	1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe
4896	MSBuild.exe
4896	MSBuild.exe
1536	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exepowershell.exepowershell.exeMSBuild.exe

description	pid	process
Token: SeDebugPrivilege	3748	1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe
Token: SeDebugPrivilege	3712	powershell.exe
Token: SeDebugPrivilege	1536	powershell.exe
Token: SeDebugPrivilege	4896	MSBuild.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe

description	pid	process	target process
PID 3748 wrote to memory of 3712	3748	1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe	powershell.exe
PID 3748 wrote to memory of 3712	3748	1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe	powershell.exe
PID 3748 wrote to memory of 3712	3748	1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe	powershell.exe
PID 3748 wrote to memory of 1536	3748	1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe	powershell.exe
PID 3748 wrote to memory of 1536	3748	1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe	powershell.exe
PID 3748 wrote to memory of 1536	3748	1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe	powershell.exe
PID 3748 wrote to memory of 4016	3748	1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe	schtasks.exe
PID 3748 wrote to memory of 4016	3748	1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe	schtasks.exe
PID 3748 wrote to memory of 4016	3748	1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe	schtasks.exe
PID 3748 wrote to memory of 4896	3748	1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe	MSBuild.exe
PID 3748 wrote to memory of 4896	3748	1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe	MSBuild.exe
PID 3748 wrote to memory of 4896	3748	1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe	MSBuild.exe
PID 3748 wrote to memory of 4896	3748	1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe	MSBuild.exe
PID 3748 wrote to memory of 4896	3748	1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe	MSBuild.exe
PID 3748 wrote to memory of 4896	3748	1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe	MSBuild.exe
PID 3748 wrote to memory of 4896	3748	1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe	MSBuild.exe
PID 3748 wrote to memory of 4896	3748	1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe
"C:\Users\Admin\AppData\Local\Temp\1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3748

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\1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3712

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fbWXASX.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1536

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fbWXASX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5B6E.tmp"
2⤵
- Creates scheduled task(s)
PID:4016

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4896

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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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
1e8293a5d9aee54dc390b9855ff8943e

SHA1
68efb5799f6dd5a5d8d26b08376c43629110663c

SHA256
203ee90053b45c33d0a75b180d665dd1ceecf76b808c68713774e2aee3992f67

SHA512
4f61da07569ba50156e4b06761d08b6b00ee8bd464c213e763f2e7e8c8965fb55f9f43c3cba63750d2c0a9210c7d7d49e4d25d10328c82f8fbfa7d089e182839

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_muy2msyv.i1k.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5B6E.tmp

Filesize
1KB

MD5
e658db68da716b246018d1f818725f03

SHA1
8a08c117d8c3cc1fd49ffbd333e1969671378ad0

SHA256
978603e79d6e4fde65c7d3e802467e3a333dcb08b91a5bdf812a0e5f1001af58

SHA512
7e0ebe0089f2f63febd6491962ef26eb9cd50120f69a7442c51444ef9505a493911115920722d74cb25562a7b9eb332254d813453a3305f2ffae782c8a49d14e

Download Submit
memory/1536-87-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/1536-64-0x0000000070C30000-0x0000000070C7C000-memory.dmp

Filesize
304KB

Download
memory/1536-19-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/1536-24-0x0000000002100000-0x0000000002110000-memory.dmp

Filesize
64KB

Download
memory/3712-15-0x0000000005860000-0x0000000005E88000-memory.dmp

Filesize
6.2MB

Download
memory/3712-61-0x0000000007980000-0x0000000007A23000-memory.dmp

Filesize
652KB

Download
memory/3712-14-0x00000000051D0000-0x0000000005206000-memory.dmp

Filesize
216KB

Download
memory/3712-86-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/3712-16-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/3712-18-0x0000000005220000-0x0000000005230000-memory.dmp

Filesize
64KB

Download
memory/3712-17-0x0000000005220000-0x0000000005230000-memory.dmp

Filesize
64KB

Download
memory/3712-21-0x00000000060A0000-0x0000000006106000-memory.dmp

Filesize
408KB

Download
memory/3712-80-0x0000000007DD0000-0x0000000007DD8000-memory.dmp

Filesize
32KB

Download
memory/3712-79-0x0000000007DF0000-0x0000000007E0A000-memory.dmp

Filesize
104KB

Download
memory/3712-22-0x0000000006110000-0x0000000006176000-memory.dmp

Filesize
408KB

Download
memory/3712-78-0x0000000007CF0000-0x0000000007D04000-memory.dmp

Filesize
80KB

Download
memory/3712-20-0x0000000006000000-0x0000000006022000-memory.dmp

Filesize
136KB

Download
memory/3712-77-0x0000000007CE0000-0x0000000007CEE000-memory.dmp

Filesize
56KB

Download
memory/3712-43-0x0000000006280000-0x00000000065D4000-memory.dmp

Filesize
3.3MB

Download
memory/3712-76-0x0000000007CB0000-0x0000000007CC1000-memory.dmp

Filesize
68KB

Download
memory/3712-75-0x0000000007D30000-0x0000000007DC6000-memory.dmp

Filesize
600KB

Download
memory/3712-47-0x0000000006790000-0x00000000067AE000-memory.dmp

Filesize
120KB

Download
memory/3712-48-0x0000000006820000-0x000000000686C000-memory.dmp

Filesize
304KB

Download
memory/3712-74-0x0000000007B20000-0x0000000007B2A000-memory.dmp

Filesize
40KB

Download
memory/3712-60-0x0000000007750000-0x000000000776E000-memory.dmp

Filesize
120KB

Download
memory/3712-50-0x0000000070C30000-0x0000000070C7C000-memory.dmp

Filesize
304KB

Download
memory/3712-49-0x0000000007710000-0x0000000007742000-memory.dmp

Filesize
200KB

Download
memory/3712-62-0x0000000008100000-0x000000000877A000-memory.dmp

Filesize
6.5MB

Download
memory/3712-63-0x0000000007AB0000-0x0000000007ACA000-memory.dmp

Filesize
104KB

Download
memory/3748-2-0x0000000005AB0000-0x0000000006054000-memory.dmp

Filesize
5.6MB

Download
memory/3748-9-0x000000000C4F0000-0x000000000C58C000-memory.dmp

Filesize
624KB

Download
memory/3748-46-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/3748-5-0x00000000054E0000-0x00000000054EA000-memory.dmp

Filesize
40KB

Download
memory/3748-6-0x0000000005A80000-0x0000000005AA0000-memory.dmp

Filesize
128KB

Download
memory/3748-7-0x0000000006670000-0x0000000006684000-memory.dmp

Filesize
80KB

Download
memory/3748-8-0x00000000093D0000-0x0000000009454000-memory.dmp

Filesize
528KB

Download
memory/3748-3-0x0000000005500000-0x0000000005592000-memory.dmp

Filesize
584KB

Download
memory/3748-4-0x00000000054C0000-0x00000000054D0000-memory.dmp

Filesize
64KB

Download
memory/3748-1-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/3748-0-0x0000000000A00000-0x0000000000AD4000-memory.dmp

Filesize
848KB

Download
memory/4896-44-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4896-88-0x0000000006360000-0x00000000063B0000-memory.dmp

Filesize
320KB

Download