agenttesla | 7a5b7449fcd765f1a3be1dc0c8286cb46afe94b8c8040a0d268b27fe8d658ee4

General

Target

bccb28e85cdebace63745f82f9aee710e636a8d1.exe
Size

667KB
MD5

873a1ee0a525f7352000a3c5915e2120
SHA1

bccb28e85cdebace63745f82f9aee710e636a8d1
SHA256

7a5b7449fcd765f1a3be1dc0c8286cb46afe94b8c8040a0d268b27fe8d658ee4
SHA512

85c00901c7f74ce3173eb9f28adb71ed929415a866faa640d7ef3d09fa0c16cc8d31bd7025a439d9e114841d7900a9166155f68b062da79f3143383d2b479aa1
SSDEEP

12288:uY1xSo1bDnyLXnT0mes/HwMeCw8NdDw9j6bjUdt38TAhHqjj6yB5fta:uYXTnyrgNCw8N26XUdt8AhYj6yB5fta

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
952	wfbara.exe
1380	wfbara.exe

Loads dropped DLL 3 IoCs

pid	Process
1968	bccb28e85cdebace63745f82f9aee710e636a8d1.exe
1968	bccb28e85cdebace63745f82f9aee710e636a8d1.exe
952	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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wfbara.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wfbara.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wfbara.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 952 set thread context of 1380	952	wfbara.exe	29

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
1380	wfbara.exe
1380	wfbara.exe
1380	wfbara.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
952	wfbara.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1380	wfbara.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1380	wfbara.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 952	1968	bccb28e85cdebace63745f82f9aee710e636a8d1.exe	27
PID 1968 wrote to memory of 952	1968	bccb28e85cdebace63745f82f9aee710e636a8d1.exe	27
PID 1968 wrote to memory of 952	1968	bccb28e85cdebace63745f82f9aee710e636a8d1.exe	27
PID 1968 wrote to memory of 952	1968	bccb28e85cdebace63745f82f9aee710e636a8d1.exe	27
PID 952 wrote to memory of 1380	952	wfbara.exe	29
PID 952 wrote to memory of 1380	952	wfbara.exe	29
PID 952 wrote to memory of 1380	952	wfbara.exe	29
PID 952 wrote to memory of 1380	952	wfbara.exe	29
PID 952 wrote to memory of 1380	952	wfbara.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wfbara.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wfbara.exe

C:\Users\Admin\AppData\Local\Temp\bccb28e85cdebace63745f82f9aee710e636a8d1.exe
"C:\Users\Admin\AppData\Local\Temp\bccb28e85cdebace63745f82f9aee710e636a8d1.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1968
- 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:952
- - 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:1380

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

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\Temp\eevmqfrpo.nw

Filesize
294KB

MD5
d3a84f5b09d771d23b0e7a1d477833be

SHA1
f3c895e1949dadffe19f18dea64716a71b42d87c

SHA256
9a84b8d22977e61b7b827065318877e50487036694720cab09413d874751b21a

SHA512
46abc1f80167450e6a4761f4e1c88f69bbc57bfd92ac5b689393e7c16f419a76f9e1d5cc8a166f1f327814d9183fe1370131b8bbb102c2d49199ea3848723ed9

Download Submit
C:\Users\Admin\AppData\Local\Temp\ljeqsvcix.cr

Filesize
5KB

MD5
37253aa811b5368db29a69b7f433e7c8

SHA1
98c2ba3f2935c8f89dd0a6fad9e1f9e0fda281e7

SHA256
5d19c8234ba80d87e571fbc1fab0c96ef5f42b4e8f660e1cf6e96c2d21627cf5

SHA512
edf9652a3afb7bd4c4ef2b18bf8b4f7be65230a0709f994c334488094118ea54f3f6e3364006cc63ebc051726a2d7c633d93d710433e2b7cdd5e0f56e789dae9

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

Filesize
84KB

MD5
764a308bfd438d57e87373e1f8142eb0

SHA1
6603faacb96675f5ad4aaa94c971a0aeccd545c1

SHA256
676eaa5fde1354b95c484cf67f37f43bb94821c851bbbbb3098de1f1a37da14b

SHA512
8a97936073375ccaf26f42248a3546d8956c3effd46dccf8a7c7e32b0afb374176e461488bea1e779d34e43f321c2102c7d0e8d3b0d2777f228292e22f9b1c6a

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

Filesize
84KB

MD5
764a308bfd438d57e87373e1f8142eb0

SHA1
6603faacb96675f5ad4aaa94c971a0aeccd545c1

SHA256
676eaa5fde1354b95c484cf67f37f43bb94821c851bbbbb3098de1f1a37da14b

SHA512
8a97936073375ccaf26f42248a3546d8956c3effd46dccf8a7c7e32b0afb374176e461488bea1e779d34e43f321c2102c7d0e8d3b0d2777f228292e22f9b1c6a

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

Filesize
84KB

MD5
764a308bfd438d57e87373e1f8142eb0

SHA1
6603faacb96675f5ad4aaa94c971a0aeccd545c1

SHA256
676eaa5fde1354b95c484cf67f37f43bb94821c851bbbbb3098de1f1a37da14b

SHA512
8a97936073375ccaf26f42248a3546d8956c3effd46dccf8a7c7e32b0afb374176e461488bea1e779d34e43f321c2102c7d0e8d3b0d2777f228292e22f9b1c6a

Download Submit
\Users\Admin\AppData\Local\Temp\wfbara.exe

Filesize
84KB

MD5
764a308bfd438d57e87373e1f8142eb0

SHA1
6603faacb96675f5ad4aaa94c971a0aeccd545c1

SHA256
676eaa5fde1354b95c484cf67f37f43bb94821c851bbbbb3098de1f1a37da14b

SHA512
8a97936073375ccaf26f42248a3546d8956c3effd46dccf8a7c7e32b0afb374176e461488bea1e779d34e43f321c2102c7d0e8d3b0d2777f228292e22f9b1c6a

Download Submit
\Users\Admin\AppData\Local\Temp\wfbara.exe

Filesize
84KB

MD5
764a308bfd438d57e87373e1f8142eb0

SHA1
6603faacb96675f5ad4aaa94c971a0aeccd545c1

SHA256
676eaa5fde1354b95c484cf67f37f43bb94821c851bbbbb3098de1f1a37da14b

SHA512
8a97936073375ccaf26f42248a3546d8956c3effd46dccf8a7c7e32b0afb374176e461488bea1e779d34e43f321c2102c7d0e8d3b0d2777f228292e22f9b1c6a

Download Submit
\Users\Admin\AppData\Local\Temp\wfbara.exe

Filesize
84KB

MD5
764a308bfd438d57e87373e1f8142eb0

SHA1
6603faacb96675f5ad4aaa94c971a0aeccd545c1

SHA256
676eaa5fde1354b95c484cf67f37f43bb94821c851bbbbb3098de1f1a37da14b

SHA512
8a97936073375ccaf26f42248a3546d8956c3effd46dccf8a7c7e32b0afb374176e461488bea1e779d34e43f321c2102c7d0e8d3b0d2777f228292e22f9b1c6a

Download Submit
memory/952-57-0x0000000000000000-mapping.dmp

Download
memory/1380-64-0x0000000000401896-mapping.dmp

Download
memory/1380-67-0x0000000001E70000-0x0000000001EA8000-memory.dmp

Filesize
224KB

Download
memory/1380-68-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/1968-54-0x0000000075141000-0x0000000075143000-memory.dmp

Filesize
8KB

Download

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