agenttesla | b22198ac3df18326aba01db3b50038e880327bad5ec59cc248848cd98d5eb0f6

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-11-2024 03:13

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General

Target

b22198ac3df18326aba01db3b50038e880327bad5ec59cc248848cd98d5eb0f6.exe
Size

347KB
MD5

daf2c3b134b7eb351027b07f9134093a
SHA1

bef5e2fbbb6409182e19025aa6eef37de9e2d9b5
SHA256

b22198ac3df18326aba01db3b50038e880327bad5ec59cc248848cd98d5eb0f6
SHA512

1041b5b3dcd1463a286dc9dada110f26dffc6ff8a8791527488e4527f09e13d82da79c9cab61aabf0e87cf04840b1ab5a839c0a427d39c1ba33f543c013e10d5
SSDEEP

6144:irT55Efr24puFmFySo/NJrMyzqPOEK6l6wQVaIucpahQMqgCNz1ZB3WpWIUAHcpv:m5Cfr2LQyh/rLcdQVhucjM1CDQQPpNGH

Score

10^/10

agenttesla redline xworm foz collection discovery execution infostealer keylogger persistence rat spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
s82.gocheapweb.com
Port:
587
Username:
[email protected]
Password:
london@1759

Extracted

Family

xworm

Version

5.0

212.162.149.53:7071

Mutex

9GNxvcpH1EHQrLdj

Attributes

Install_directory
%AppData%
install_file
XClient.exe

aes.plain

Extracted

Family

redline

Botnet

FOZ

212.162.149.53:36014

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
s82.gocheapweb.com
Port:
587
Username:
[email protected]
Password:
london@1759
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla family
agenttesla

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/files/0x000c000000023b36-6.dat	family_xworm
behavioral2/memory/1200-17-0x0000000000E80000-0x0000000000E90000-memory.dmp	family_xworm

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine payload 3 IoCs

resource	yara_rule
behavioral2/files/0x000b000000023b8f-19.dat	family_redline
behavioral2/memory/3488-29-0x0000000000F60000-0x0000000000FB2000-memory.dmp	family_redline
behavioral2/memory/1200-56-0x000000001E2B0000-0x000000001E302000-memory.dmp	family_redline

Redline family
redline
Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
xworm

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
5048	powershell.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	b22198ac3df18326aba01db3b50038e880327bad5ec59cc248848cd98d5eb0f6.exe
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	XClient.exe

Drops startup file 4 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	apihost.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	XClient.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	XClient.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\apihost.exe.lnk	XClient.exe

Executes dropped EXE 3 IoCs

pid	Process
1200	XClient.exe
3488	build.exe
1504	apihost.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
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
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	XClient.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	XClient.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	XClient.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe"	apihost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe"	XClient.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

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
21	checkip.dyndns.org
28	api.ipify.org
29	api.ipify.org

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	build.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1684	timeout.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2868	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
1200	XClient.exe
1504	apihost.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
1200	XClient.exe
3488	build.exe
3488	build.exe
3488	build.exe
1200	XClient.exe
1200	XClient.exe
1200	XClient.exe
5048	powershell.exe
5048	powershell.exe
1200	XClient.exe
1200	XClient.exe
1200	XClient.exe
1504	apihost.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1200	XClient.exe
Token: SeDebugPrivilege	3488	build.exe
Token: SeDebugPrivilege	5048	powershell.exe
Token: SeDebugPrivilege	1504	apihost.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1200	XClient.exe
1200	XClient.exe
1200	XClient.exe
1504	apihost.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4688 wrote to memory of 1200	4688	b22198ac3df18326aba01db3b50038e880327bad5ec59cc248848cd98d5eb0f6.exe	85
PID 4688 wrote to memory of 1200	4688	b22198ac3df18326aba01db3b50038e880327bad5ec59cc248848cd98d5eb0f6.exe	85
PID 4688 wrote to memory of 3488	4688	b22198ac3df18326aba01db3b50038e880327bad5ec59cc248848cd98d5eb0f6.exe	86
PID 4688 wrote to memory of 3488	4688	b22198ac3df18326aba01db3b50038e880327bad5ec59cc248848cd98d5eb0f6.exe	86
PID 4688 wrote to memory of 3488	4688	b22198ac3df18326aba01db3b50038e880327bad5ec59cc248848cd98d5eb0f6.exe	86
PID 1200 wrote to memory of 5048	1200	XClient.exe	103
PID 1200 wrote to memory of 5048	1200	XClient.exe	103
PID 1200 wrote to memory of 2868	1200	XClient.exe	104
PID 1200 wrote to memory of 2868	1200	XClient.exe	104
PID 1200 wrote to memory of 1504	1200	XClient.exe	107
PID 1200 wrote to memory of 1504	1200	XClient.exe	107
PID 1504 wrote to memory of 2420	1504	apihost.exe	113
PID 1504 wrote to memory of 2420	1504	apihost.exe	113
PID 2420 wrote to memory of 1684	2420	cmd.exe	115
PID 2420 wrote to memory of 1684	2420	cmd.exe	115

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	XClient.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	XClient.exe

C:\Users\Admin\AppData\Local\Temp\b22198ac3df18326aba01db3b50038e880327bad5ec59cc248848cd98d5eb0f6.exe
"C:\Users\Admin\AppData\Local\Temp\b22198ac3df18326aba01db3b50038e880327bad5ec59cc248848cd98d5eb0f6.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4688
- C:\Users\Admin\AppData\Local\Temp\XClient.exe
  "C:\Users\Admin\AppData\Local\Temp\XClient.exe"
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Executes dropped EXE
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:1200
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\ACCApi'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5048
- - C:\Windows\SYSTEM32\schtasks.exe
    "schtasks.exe" /create /tn AccSys /tr "C:\Users\Admin\AppData\Roaming\ACCApi\apihost.exe" /st 03:18 /du 23:59 /sc daily /ri 1 /f
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2868
- - C:\Users\Admin\AppData\Roaming\ACCApi\apihost.exe
    "C:\Users\Admin\AppData\Roaming\ACCApi\apihost.exe"
    3⤵
    - Drops startup file
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1504
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4E74.tmp.bat""
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2420
    - - C:\Windows\system32\timeout.exe
        
        timeout 3
        5⤵
        Delays execution with timeout.exe
        
        PID:1684
- C:\Users\Admin\AppData\Local\Temp\build.exe
  "C:\Users\Admin\AppData\Local\Temp\build.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3488

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\XClient.exe

Filesize
40KB

MD5
1c5cf825e29b63a62c3c8b1589d51a1e

SHA1
ea4f1dceeeea35b6bd17f4040511bbd0341246a8

SHA256
d868406f1fdc6a5c15a70f03f6279fb8a3fe190ea5a4911bf6839fc483c753b0

SHA512
c780aff70b930ea221ffd96081c02116f76d2c7b20590fff6ab04038e2aef50ad57eb8f28a67c4dfdb6a00e3fe393e1238d448c3f346585242ee18d180203fd2

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3ij5a5bd.4e0.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\build.exe

Filesize
300KB

MD5
1ed2ecae05aaa1c505136f5252287cc7

SHA1
2c73c09437c4c1d5e90013a6ca7a65ac0a5fadc5

SHA256
d771f70ba342e5d4cd7f129a4a2b4a6c6c7293233135f266db33f356986a70f9

SHA512
ca82139310ea62ec8703f6fcb19d843644a5ce40323e8f7857c9fd3173bb0796eb20f9002209b9fcbfa7ce9858fe3b932e070f8449bc2736b6712d39515d9219

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4E74.tmp.bat

Filesize
163B

MD5
3d7f75e7e74dc968b6eb465513b7765d

SHA1
cae263b7a803f57623dc90d04311124c22a36f18

SHA256
6e54233c28153650294fe0ffb335a69385324d73a2b5938ff17891345d8e131f

SHA512
2b167529ffb395dfcb3f6f11f1909be7a271984992f6b73915ee0a26e97feafa8956baf679ccfac4a49c47fdfef850bb5cbe013ee854dbf4bd8d68c3a2523835

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk

Filesize
771B

MD5
4ca821a9805b2357d47b2c20a8336613

SHA1
fd60232558db16e137a9930e88c10794a7922dc1

SHA256
0e965593ff7cf221a0554aad43d1ee27c9ef9cb544477e349a3fa9d1280cfefb

SHA512
d6c0fc780594215ce57ab2edce34c3c56c8bb73123f690a62cecbb948aca9d701209f77c2da92d5bdcad9e470e2cdb7e548e37c230747ec38c6b4dd5491b40bb

Download Submit
memory/1200-76-0x000000001D150000-0x000000001D312000-memory.dmp

Filesize
1.8MB

Download
memory/1200-60-0x000000001E750000-0x000000001E794000-memory.dmp

Filesize
272KB

Download
memory/1200-17-0x0000000000E80000-0x0000000000E90000-memory.dmp

Filesize
64KB

Download
memory/1200-91-0x00007FFE174C0000-0x00007FFE17F81000-memory.dmp

Filesize
10.8MB

Download
memory/1200-77-0x000000004A910000-0x000000004AE38000-memory.dmp

Filesize
5.2MB

Download
memory/1200-50-0x000000001BBA0000-0x000000001BBB0000-memory.dmp

Filesize
64KB

Download
memory/1200-46-0x00007FFE174C0000-0x00007FFE17F81000-memory.dmp

Filesize
10.8MB

Download
memory/1200-62-0x000000001C200000-0x000000001C250000-memory.dmp

Filesize
320KB

Download
memory/1200-61-0x000000001E710000-0x000000001E728000-memory.dmp

Filesize
96KB

Download
memory/1200-23-0x00007FFE174C0000-0x00007FFE17F81000-memory.dmp

Filesize
10.8MB

Download
memory/1200-58-0x000000001E730000-0x000000001E742000-memory.dmp

Filesize
72KB

Download
memory/1200-59-0x000000001E790000-0x000000001E7CC000-memory.dmp

Filesize
240KB

Download
memory/1200-57-0x000000001E820000-0x000000001E92A000-memory.dmp

Filesize
1.0MB

Download
memory/1200-56-0x000000001E2B0000-0x000000001E302000-memory.dmp

Filesize
328KB

Download
memory/1200-44-0x000000001BBA0000-0x000000001BBB0000-memory.dmp

Filesize
64KB

Download
memory/1200-53-0x000000001BB70000-0x000000001BB8E000-memory.dmp

Filesize
120KB

Download
memory/1504-97-0x000000001B610000-0x000000001B61C000-memory.dmp

Filesize
48KB

Download
memory/3488-32-0x00000000059B0000-0x0000000005A42000-memory.dmp

Filesize
584KB

Download
memory/3488-36-0x0000000005D80000-0x0000000005E8A000-memory.dmp

Filesize
1.0MB

Download
memory/3488-49-0x00000000074B0000-0x0000000007500000-memory.dmp

Filesize
320KB

Download
memory/3488-47-0x000000007478E000-0x000000007478F000-memory.dmp

Filesize
4KB

Download
memory/3488-51-0x0000000007960000-0x0000000007B22000-memory.dmp

Filesize
1.8MB

Download
memory/3488-52-0x0000000008770000-0x0000000008C9C000-memory.dmp

Filesize
5.2MB

Download
memory/3488-45-0x0000000005FB0000-0x0000000006016000-memory.dmp

Filesize
408KB

Download
memory/3488-55-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/3488-39-0x0000000005CF0000-0x0000000005D3C000-memory.dmp

Filesize
304KB

Download
memory/3488-38-0x0000000005CA0000-0x0000000005CDC000-memory.dmp

Filesize
240KB

Download
memory/3488-37-0x0000000005C40000-0x0000000005C52000-memory.dmp

Filesize
72KB

Download
memory/3488-48-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/3488-35-0x0000000006C00000-0x0000000007218000-memory.dmp

Filesize
6.1MB

Download
memory/3488-34-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/3488-33-0x0000000005A60000-0x0000000005A6A000-memory.dmp

Filesize
40KB

Download
memory/3488-28-0x000000007478E000-0x000000007478F000-memory.dmp

Filesize
4KB

Download
memory/3488-29-0x0000000000F60000-0x0000000000FB2000-memory.dmp

Filesize
328KB

Download
memory/3488-30-0x0000000006030000-0x00000000065D4000-memory.dmp

Filesize
5.6MB

Download
memory/4688-31-0x00007FFE174C0000-0x00007FFE17F81000-memory.dmp

Filesize
10.8MB

Download
memory/4688-0-0x00007FFE174C3000-0x00007FFE174C5000-memory.dmp

Filesize
8KB

Download
memory/4688-13-0x00007FFE174C0000-0x00007FFE17F81000-memory.dmp

Filesize
10.8MB

Download
memory/4688-1-0x0000000000A00000-0x0000000000A5E000-memory.dmp

Filesize
376KB

Download
memory/5048-69-0x000001EFE17E0000-0x000001EFE1802000-memory.dmp

Filesize
136KB

Download