agenttesla | 7a5b7449fcd765f1a3be1dc0c8286cb46afe94b8c8040a0d268b27fe8d658ee4

Analysis

max time kernel
27s
max time network
135s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
05/01/2023, 14:30

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General

Target
obizx.exe
Size 667KB
Sample230105-rt5zqscc93
SHA256 7a5b7449fcd765f1a3be1dc0c8286cb46afe94b8c8040a0d268b27fe8d658ee4
MD5 873a1ee0a525f7352000a3c5915e2120
SHA1 bccb28e85cdebace63745f82f9aee710e636a8d1
SHA512 85c00901c7f74ce3173eb9f28adb71ed929415a866faa640d7ef3d09fa0c16cc8d31bd7025a439d9e114841d7900a9166155f68b062da79f3143383d2b479aa1
SSDEEP 12288:uY1xSo1bDnyLXnT0mes/HwMeCw8NdDw9j6bjUdt38TAhHqjj6yB5fta:uYXTnyrgNCw8N26XUdt8AhYj6yB5fta
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
smtp.gmail.com
Port
587
Username
[email protected]
Password
hnxqezadblabdsss

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
1052	wfbara.exe
688	wfbara.exe

Loads dropped DLL 3 IoCs

pid	Process
1244	obizx.exe
1244	obizx.exe
1052	wfbara.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-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wfbara.exe
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wfbara.exe
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wfbara.exe

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
3	api.ipify.org
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1052 set thread context of 688	1052	wfbara.exe	30

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
688	wfbara.exe
688	wfbara.exe
688	wfbara.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1052	wfbara.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	688	wfbara.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
688	wfbara.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1244 wrote to memory of 1052	1244	obizx.exe	28
PID 1244 wrote to memory of 1052	1244	obizx.exe	28
PID 1244 wrote to memory of 1052	1244	obizx.exe	28
PID 1244 wrote to memory of 1052	1244	obizx.exe	28
PID 1052 wrote to memory of 688	1052	wfbara.exe	30
PID 1052 wrote to memory of 688	1052	wfbara.exe	30
PID 1052 wrote to memory of 688	1052	wfbara.exe	30
PID 1052 wrote to memory of 688	1052	wfbara.exe	30
PID 1052 wrote to memory of 688	1052	wfbara.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wfbara.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wfbara.exe

C:\Users\Admin\AppData\Local\Temp\obizx.exe
"C:\Users\Admin\AppData\Local\Temp\obizx.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1244
- C:\Users\Admin\AppData\Local\Temp\wfbara.exe
  "C:\Users\Admin\AppData\Local\Temp\wfbara.exe" C:\Users\Admin\AppData\Local\Temp\ljeqsvcix.cr
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1052
- - C:\Users\Admin\AppData\Local\Temp\wfbara.exe
    "C:\Users\Admin\AppData\Local\Temp\wfbara.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - outlook_office_path
    - outlook_win_path
    PID:688

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

eevmqfrpo.nw

Path C:\Users\Admin\AppData\Local\Temp\eevmqfrpo.nw
Size 294KB
SHA256 9a84b8d22977e61b7b827065318877e50487036694720cab09413d874751b21a
MD5 d3a84f5b09d771d23b0e7a1d477833be
SHA1 f3c895e1949dadffe19f18dea64716a71b42d87c
SHA512 46abc1f80167450e6a4761f4e1c88f69bbc57bfd92ac5b689393e7c16f419a76f9e1d5cc8a166f1f327814d9183fe1370131b8bbb102c2d49199ea3848723ed9
SSDEEP 6144:ybAGX3Oqv0GRkOjVs8iafS/HeP1FHS6KC6Pg7xfQmnwxN0OFkCZ6vOTDQU7R:ybOqdRkOjVsH5/uHS6Kc7xJO+CZ6vyDr
MD5 SHA1 SHA512 SSDEEP

Submit Download

ljeqsvcix.cr

Path C:\Users\Admin\AppData\Local\Temp\ljeqsvcix.cr
Size 5KB
SHA256 5d19c8234ba80d87e571fbc1fab0c96ef5f42b4e8f660e1cf6e96c2d21627cf5
MD5 37253aa811b5368db29a69b7f433e7c8
SHA1 98c2ba3f2935c8f89dd0a6fad9e1f9e0fda281e7
SHA512 edf9652a3afb7bd4c4ef2b18bf8b4f7be65230a0709f994c334488094118ea54f3f6e3364006cc63ebc051726a2d7c633d93d710433e2b7cdd5e0f56e789dae9
SSDEEP 96:Farc6oYpEg/DrYuEk2XO5oSwsJfjA9dkl66bEK2LSIx7TPgOlFdwIFc48m6t+Mcm:FarcRUTMhX1ShJfj4dkYOIxXgU1cPmS3
MD5 SHA1 SHA512 SSDEEP

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wfbara.exe

Path C:\Users\Admin\AppData\Local\Temp\wfbara.exe
Size 84KB
SHA256 676eaa5fde1354b95c484cf67f37f43bb94821c851bbbbb3098de1f1a37da14b
MD5 764a308bfd438d57e87373e1f8142eb0
SHA1 6603faacb96675f5ad4aaa94c971a0aeccd545c1
SHA512 8a97936073375ccaf26f42248a3546d8956c3effd46dccf8a7c7e32b0afb374176e461488bea1e779d34e43f321c2102c7d0e8d3b0d2777f228292e22f9b1c6a
SSDEEP 1536:yBIoK2O+urs1j8ZPJFqUGQX+/ivwSyXgYmdyAQ0JYI5pcbOMisubmfsrXX:92O+ursl2GU2/ivwSyXMdyAQ0JY6eOLH
MD5 SHA1 SHA512 SSDEEP

Submit Download

wfbara.exe

Path C:\Users\Admin\AppData\Local\Temp\wfbara.exe
Size 84KB
SHA256 676eaa5fde1354b95c484cf67f37f43bb94821c851bbbbb3098de1f1a37da14b
MD5 764a308bfd438d57e87373e1f8142eb0
SHA1 6603faacb96675f5ad4aaa94c971a0aeccd545c1
SHA512 8a97936073375ccaf26f42248a3546d8956c3effd46dccf8a7c7e32b0afb374176e461488bea1e779d34e43f321c2102c7d0e8d3b0d2777f228292e22f9b1c6a
SSDEEP 1536:yBIoK2O+urs1j8ZPJFqUGQX+/ivwSyXgYmdyAQ0JYI5pcbOMisubmfsrXX:92O+ursl2GU2/ivwSyXMdyAQ0JY6eOLH
MD5 SHA1 SHA512 SSDEEP

Submit Download

wfbara.exe

Path C:\Users\Admin\AppData\Local\Temp\wfbara.exe
Size 84KB
SHA256 676eaa5fde1354b95c484cf67f37f43bb94821c851bbbbb3098de1f1a37da14b
MD5 764a308bfd438d57e87373e1f8142eb0
SHA1 6603faacb96675f5ad4aaa94c971a0aeccd545c1
SHA512 8a97936073375ccaf26f42248a3546d8956c3effd46dccf8a7c7e32b0afb374176e461488bea1e779d34e43f321c2102c7d0e8d3b0d2777f228292e22f9b1c6a
SSDEEP 1536:yBIoK2O+urs1j8ZPJFqUGQX+/ivwSyXgYmdyAQ0JYI5pcbOMisubmfsrXX:92O+ursl2GU2/ivwSyXMdyAQ0JY6eOLH
MD5 SHA1 SHA512 SSDEEP

Submit Download

wfbara.exe

Path \Users\Admin\AppData\Local\Temp\wfbara.exe
Size 84KB
SHA256 676eaa5fde1354b95c484cf67f37f43bb94821c851bbbbb3098de1f1a37da14b
MD5 764a308bfd438d57e87373e1f8142eb0
SHA1 6603faacb96675f5ad4aaa94c971a0aeccd545c1
SHA512 8a97936073375ccaf26f42248a3546d8956c3effd46dccf8a7c7e32b0afb374176e461488bea1e779d34e43f321c2102c7d0e8d3b0d2777f228292e22f9b1c6a
SSDEEP 1536:yBIoK2O+urs1j8ZPJFqUGQX+/ivwSyXgYmdyAQ0JYI5pcbOMisubmfsrXX:92O+ursl2GU2/ivwSyXMdyAQ0JY6eOLH
MD5 SHA1 SHA512 SSDEEP

Submit Download

wfbara.exe

Path \Users\Admin\AppData\Local\Temp\wfbara.exe
Size 84KB
SHA256 676eaa5fde1354b95c484cf67f37f43bb94821c851bbbbb3098de1f1a37da14b
MD5 764a308bfd438d57e87373e1f8142eb0
SHA1 6603faacb96675f5ad4aaa94c971a0aeccd545c1
SHA512 8a97936073375ccaf26f42248a3546d8956c3effd46dccf8a7c7e32b0afb374176e461488bea1e779d34e43f321c2102c7d0e8d3b0d2777f228292e22f9b1c6a
SSDEEP 1536:yBIoK2O+urs1j8ZPJFqUGQX+/ivwSyXgYmdyAQ0JYI5pcbOMisubmfsrXX:92O+ursl2GU2/ivwSyXMdyAQ0JY6eOLH
MD5 SHA1 SHA512 SSDEEP

Submit Download

wfbara.exe

Path \Users\Admin\AppData\Local\Temp\wfbara.exe
Size 84KB
SHA256 676eaa5fde1354b95c484cf67f37f43bb94821c851bbbbb3098de1f1a37da14b
MD5 764a308bfd438d57e87373e1f8142eb0
SHA1 6603faacb96675f5ad4aaa94c971a0aeccd545c1
SHA512 8a97936073375ccaf26f42248a3546d8956c3effd46dccf8a7c7e32b0afb374176e461488bea1e779d34e43f321c2102c7d0e8d3b0d2777f228292e22f9b1c6a
SSDEEP 1536:yBIoK2O+urs1j8ZPJFqUGQX+/ivwSyXgYmdyAQ0JYI5pcbOMisubmfsrXX:92O+ursl2GU2/ivwSyXMdyAQ0JY6eOLH
MD5 SHA1 SHA512 SSDEEP

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memory/688-67-0x0000000001DB0000-0x0000000001DE8000-memory.dmp

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memory/688-68-0x0000000000400000-0x0000000000449000-memory.dmp

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memory/1244-54-0x0000000075291000-0x0000000075293000-memory.dmp

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