agenttesla | 4fb44ab10d15da11952bca16bae94bd4929eed33fdf277c184bf903f8bbe2c1e

Analysis

max time kernel
147s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2024, 03:00

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General

Target

Dispatch Details.exe
Size

666KB
MD5

311d25fbd99f007e030d5e0ee174f73c
SHA1

b055ceb16c9a6eb74875f47b3746851e8ecccedd
SHA256

6b8bddabcfb3f12258d513da1d26230a9ca39b3d1796afd63fa32cb9d29594db
SHA512

b26231ca787e0a5875c6c61b054205d94aeac47e2054448b890e76dc99bb7c3b77e7e8a630af0ebef5684985dda47f41c605531bc0eba81b181d1efcf64c3af4
SSDEEP

12288:IxEd6x+J3cYI8CLWk+lyKt/0/iTwactW75AT2645dQgv28bt2m+T4Y4nq8syWxF:IxcGOIxWknC0/5olxKx8MmrI

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.sdlbd.net
Port:
587
Username:
[email protected]
Password:
4-CKMOaqPd*Y
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/1788-46-0x0000000000400000-0x0000000000442000-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/1788-46-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

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

resource	yara_rule
behavioral2/memory/1788-46-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

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

resource	yara_rule
behavioral2/memory/1788-46-0x0000000000400000-0x0000000000442000-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/1788-46-0x0000000000400000-0x0000000000442000-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/1788-46-0x0000000000400000-0x0000000000442000-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/1788-46-0x0000000000400000-0x0000000000442000-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-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation	Dispatch Details.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
29	ip-api.com
27	api.ipify.org
28	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4164 set thread context of 1788	4164	Dispatch Details.exe	98

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
4496	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4164	Dispatch Details.exe
4164	Dispatch Details.exe
5048	powershell.exe
5012	powershell.exe
4164	Dispatch Details.exe
4164	Dispatch Details.exe
1788	RegSvcs.exe
1788	RegSvcs.exe
5048	powershell.exe
5012	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4164	Dispatch Details.exe
Token: SeDebugPrivilege	5012	powershell.exe
Token: SeDebugPrivilege	5048	powershell.exe
Token: SeDebugPrivilege	1788	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4164 wrote to memory of 5012	4164	Dispatch Details.exe	92
PID 4164 wrote to memory of 5012	4164	Dispatch Details.exe	92
PID 4164 wrote to memory of 5012	4164	Dispatch Details.exe	92
PID 4164 wrote to memory of 5048	4164	Dispatch Details.exe	94
PID 4164 wrote to memory of 5048	4164	Dispatch Details.exe	94
PID 4164 wrote to memory of 5048	4164	Dispatch Details.exe	94
PID 4164 wrote to memory of 4496	4164	Dispatch Details.exe	96
PID 4164 wrote to memory of 4496	4164	Dispatch Details.exe	96
PID 4164 wrote to memory of 4496	4164	Dispatch Details.exe	96
PID 4164 wrote to memory of 1788	4164	Dispatch Details.exe	98
PID 4164 wrote to memory of 1788	4164	Dispatch Details.exe	98
PID 4164 wrote to memory of 1788	4164	Dispatch Details.exe	98
PID 4164 wrote to memory of 1788	4164	Dispatch Details.exe	98
PID 4164 wrote to memory of 1788	4164	Dispatch Details.exe	98
PID 4164 wrote to memory of 1788	4164	Dispatch Details.exe	98
PID 4164 wrote to memory of 1788	4164	Dispatch Details.exe	98
PID 4164 wrote to memory of 1788	4164	Dispatch Details.exe	98

C:\Users\Admin\AppData\Local\Temp\Dispatch Details.exe
"C:\Users\Admin\AppData\Local\Temp\Dispatch Details.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4164
- 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\Dispatch Details.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5012
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\bBcQIb.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5048
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bBcQIb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8712.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4496
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1788

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
15f9fa947c00cb5a9c3076eb6ecced89

SHA1
3e981f21a6d19c57baf5d1af6b3a1dfdbf03cbd5

SHA256
8f016c61ce0ad52e090339011f9f419505f0c7b66c8ce39046edaae0fcbae776

SHA512
f3124f93cc7169bcbfdbc0830f64e708463c6f5dc4ed7d6297f88ddb8762c792eec7108e82aef3108f1663115e2d3e70cc61834e39d863ce1c41ef207aa5178c

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_y1rxghi2.y42.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8712.tmp

Filesize
1KB

MD5
a5f660c93c9b3794439084e95f0011c3

SHA1
a5b011de64346878ba42a9ecaeea902fd1fa6cf5

SHA256
0d7a625f78fdf2e127c7ef28f9134192818409adcee23dde7f0f54ca7333d51a

SHA512
e1c69e715f4cbc5c6795603cddf68278bdf7510891473cf5c94befb35f80a63e4093c403853ef4466e364541a3b68cc0d11b8b7ff95737a83a60b84dceae2e45

Download Submit
memory/1788-99-0x0000000004E70000-0x0000000004E80000-memory.dmp

Filesize
64KB

Download
memory/1788-46-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1788-49-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/1788-50-0x0000000004E70000-0x0000000004E80000-memory.dmp

Filesize
64KB

Download
memory/1788-97-0x00000000063E0000-0x0000000006430000-memory.dmp

Filesize
320KB

Download
memory/1788-98-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/4164-5-0x0000000004F40000-0x0000000004F4A000-memory.dmp

Filesize
40KB

Download
memory/4164-10-0x0000000008B40000-0x0000000008BDC000-memory.dmp

Filesize
624KB

Download
memory/4164-9-0x0000000006440000-0x00000000064C8000-memory.dmp

Filesize
544KB

Download
memory/4164-8-0x0000000005250000-0x000000000525E000-memory.dmp

Filesize
56KB

Download
memory/4164-0-0x0000000000330000-0x00000000003DC000-memory.dmp

Filesize
688KB

Download
memory/4164-7-0x0000000005240000-0x000000000524A000-memory.dmp

Filesize
40KB

Download
memory/4164-6-0x0000000005210000-0x0000000005224000-memory.dmp

Filesize
80KB

Download
memory/4164-4-0x0000000004D70000-0x0000000004D80000-memory.dmp

Filesize
64KB

Download
memory/4164-3-0x0000000004D90000-0x0000000004E22000-memory.dmp

Filesize
584KB

Download
memory/4164-2-0x0000000005260000-0x0000000005804000-memory.dmp

Filesize
5.6MB

Download
memory/4164-48-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/4164-1-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/5012-17-0x0000000004FB0000-0x00000000055D8000-memory.dmp

Filesize
6.2MB

Download
memory/5012-55-0x0000000070BD0000-0x0000000070C1C000-memory.dmp

Filesize
304KB

Download
memory/5012-41-0x0000000005890000-0x0000000005BE4000-memory.dmp

Filesize
3.3MB

Download
memory/5012-25-0x0000000005740000-0x00000000057A6000-memory.dmp

Filesize
408KB

Download
memory/5012-15-0x00000000048F0000-0x0000000004926000-memory.dmp

Filesize
216KB

Download
memory/5012-16-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/5012-22-0x0000000004970000-0x0000000004980000-memory.dmp

Filesize
64KB

Download
memory/5012-18-0x0000000004970000-0x0000000004980000-memory.dmp

Filesize
64KB

Download
memory/5012-92-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/5012-53-0x0000000007010000-0x0000000007042000-memory.dmp

Filesize
200KB

Download
memory/5012-54-0x000000007EEB0000-0x000000007EEC0000-memory.dmp

Filesize
64KB

Download
memory/5012-84-0x0000000007420000-0x00000000074B6000-memory.dmp

Filesize
600KB

Download
memory/5012-66-0x0000000004970000-0x0000000004980000-memory.dmp

Filesize
64KB

Download
memory/5012-67-0x0000000004970000-0x0000000004980000-memory.dmp

Filesize
64KB

Download
memory/5012-65-0x0000000006430000-0x000000000644E000-memory.dmp

Filesize
120KB

Download
memory/5012-89-0x0000000007410000-0x0000000007418000-memory.dmp

Filesize
32KB

Download
memory/5012-85-0x0000000007390000-0x00000000073A1000-memory.dmp

Filesize
68KB

Download
memory/5012-26-0x0000000005820000-0x0000000005886000-memory.dmp

Filesize
408KB

Download
memory/5012-69-0x0000000007050000-0x00000000070F3000-memory.dmp

Filesize
652KB

Download
memory/5012-81-0x00000000077D0000-0x0000000007E4A000-memory.dmp

Filesize
6.5MB

Download
memory/5012-82-0x0000000007190000-0x00000000071AA000-memory.dmp

Filesize
104KB

Download
memory/5012-83-0x00000000071F0000-0x00000000071FA000-memory.dmp

Filesize
40KB

Download
memory/5048-80-0x00000000029A0000-0x00000000029B0000-memory.dmp

Filesize
64KB

Download
memory/5048-79-0x00000000029A0000-0x00000000029B0000-memory.dmp

Filesize
64KB

Download
memory/5048-86-0x0000000007740000-0x000000000774E000-memory.dmp

Filesize
56KB

Download
memory/5048-87-0x0000000007750000-0x0000000007764000-memory.dmp

Filesize
80KB

Download
memory/5048-88-0x0000000007850000-0x000000000786A000-memory.dmp

Filesize
104KB

Download
memory/5048-68-0x0000000070BD0000-0x0000000070C1C000-memory.dmp

Filesize
304KB

Download
memory/5048-52-0x0000000006220000-0x000000000626C000-memory.dmp

Filesize
304KB

Download
memory/5048-20-0x00000000029A0000-0x00000000029B0000-memory.dmp

Filesize
64KB

Download
memory/5048-19-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/5048-96-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/5048-51-0x0000000006200000-0x000000000621E000-memory.dmp

Filesize
120KB

Download
memory/5048-21-0x00000000029A0000-0x00000000029B0000-memory.dmp

Filesize
64KB

Download
memory/5048-24-0x0000000005310000-0x0000000005332000-memory.dmp

Filesize
136KB

Download