a310logger | 675b0dff6f40d1838f3e386abdb322f9491069f7b57a9fc1dd33fde9805d923b

General

Target

6628819927788177272-DEKONT.exe
Size

561KB
MD5

ffe72c0b077d5f676be820489ecec81a
SHA1

cde15eab3928df21425863da28c42dd34b708f4e
SHA256

675b0dff6f40d1838f3e386abdb322f9491069f7b57a9fc1dd33fde9805d923b
SHA512

c4e475affe7225e77ef7f14acedd4ff14e37cab7efe792c85a8b60d3943e1662daa5a7bd42a2cb42a5dfe6962be6d512821a9126c791b9761bdef0cdf1fba03c

Score

10^/10

a310logger collection spyware stealer

Malware Config

Signatures

A310logger
A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.
stealer spyware a310logger

A310logger Executable 2 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe	a310logger
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe	a310logger

Executes dropped EXE 1 IoCs

Processes:

Fox.exe

pid process

2452 Fox.exe
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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

pid	process
2452	Fox.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Fox.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fox.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fox.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fox.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

6628819927788177272-DEKONT.exe

description pid process target process

PID 3792 set thread context of 3596 3792 6628819927788177272-DEKONT.exe 6628819927788177272-DEKONT.exe
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.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

3392 schtasks.exe

description	pid	process	target process
PID 3792 set thread context of 3596	3792	6628819927788177272-DEKONT.exe	6628819927788177272-DEKONT.exe

pid	process
3392	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

6628819927788177272-DEKONT.exe

pid	process
3792	6628819927788177272-DEKONT.exe
3792	6628819927788177272-DEKONT.exe
3792	6628819927788177272-DEKONT.exe
3792	6628819927788177272-DEKONT.exe
3792	6628819927788177272-DEKONT.exe
3792	6628819927788177272-DEKONT.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

6628819927788177272-DEKONT.exe

description pid process

Token: SeDebugPrivilege 3792 6628819927788177272-DEKONT.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

6628819927788177272-DEKONT.exe

pid process

3596 6628819927788177272-DEKONT.exe

description	pid	process
Token: SeDebugPrivilege	3792	6628819927788177272-DEKONT.exe

pid	process
3596	6628819927788177272-DEKONT.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

6628819927788177272-DEKONT.exe6628819927788177272-DEKONT.exeWinMail.exe

description	pid	process	target process
PID 3792 wrote to memory of 3392	3792	6628819927788177272-DEKONT.exe	schtasks.exe
PID 3792 wrote to memory of 3392	3792	6628819927788177272-DEKONT.exe	schtasks.exe
PID 3792 wrote to memory of 3392	3792	6628819927788177272-DEKONT.exe	schtasks.exe
PID 3792 wrote to memory of 3596	3792	6628819927788177272-DEKONT.exe	6628819927788177272-DEKONT.exe
PID 3792 wrote to memory of 3596	3792	6628819927788177272-DEKONT.exe	6628819927788177272-DEKONT.exe
PID 3792 wrote to memory of 3596	3792	6628819927788177272-DEKONT.exe	6628819927788177272-DEKONT.exe
PID 3792 wrote to memory of 3596	3792	6628819927788177272-DEKONT.exe	6628819927788177272-DEKONT.exe
PID 3792 wrote to memory of 3596	3792	6628819927788177272-DEKONT.exe	6628819927788177272-DEKONT.exe
PID 3792 wrote to memory of 3596	3792	6628819927788177272-DEKONT.exe	6628819927788177272-DEKONT.exe
PID 3792 wrote to memory of 3596	3792	6628819927788177272-DEKONT.exe	6628819927788177272-DEKONT.exe
PID 3792 wrote to memory of 3596	3792	6628819927788177272-DEKONT.exe	6628819927788177272-DEKONT.exe
PID 3596 wrote to memory of 2452	3596	6628819927788177272-DEKONT.exe	Fox.exe
PID 3596 wrote to memory of 2452	3596	6628819927788177272-DEKONT.exe	Fox.exe
PID 3596 wrote to memory of 1328	3596	6628819927788177272-DEKONT.exe	WinMail.exe
PID 3596 wrote to memory of 1328	3596	6628819927788177272-DEKONT.exe	WinMail.exe
PID 3596 wrote to memory of 1328	3596	6628819927788177272-DEKONT.exe	WinMail.exe
PID 1328 wrote to memory of 3308	1328	WinMail.exe	WinMail.exe
PID 1328 wrote to memory of 3308	1328	WinMail.exe	WinMail.exe

outlook_office_path 1 IoCs

Processes:

Fox.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fox.exe

outlook_win_path 1 IoCs

Processes:

Fox.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fox.exe

C:\Users\Admin\AppData\Local\Temp\6628819927788177272-DEKONT.exe
"C:\Users\Admin\AppData\Local\Temp\6628819927788177272-DEKONT.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3792
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DkmTmLL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp72DA.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3392
- C:\Users\Admin\AppData\Local\Temp\6628819927788177272-DEKONT.exe
  "C:\Users\Admin\AppData\Local\Temp\6628819927788177272-DEKONT.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3596
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - outlook_office_path
    - outlook_win_path
    PID:2452
- - C:\Program Files (x86)\Windows Mail\WinMail.exe
    "C:\Program Files (x86)\Windows Mail\WinMail" OCInstallUserConfigOE
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1328
  - - C:\Program Files\Windows Mail\WinMail.exe
      "C:\Program Files\Windows Mail\WinMail" OCInstallUserConfigOE
      4⤵
      PID:3308

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe

MD5
91b41651e6e9ab352805c6d35a297d08

SHA1
11b8eaa7b7941461bc952b11ec3f07d25dcd1c2e

SHA256
0872abe29cc9231cdded3a44e02a7ea17f09cf2ac2bdbd7077065858829c3723

SHA512
b0b0d73f6ac7b6e9b39db0fa58931873143f6559c3b8d3db2d82d453045f75da94f3236b6c6c5200b52af6cacc038565eb2e9c6a834608dac0b0e8bb45b1e892

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe

MD5
91b41651e6e9ab352805c6d35a297d08

SHA1
11b8eaa7b7941461bc952b11ec3f07d25dcd1c2e

SHA256
0872abe29cc9231cdded3a44e02a7ea17f09cf2ac2bdbd7077065858829c3723

SHA512
b0b0d73f6ac7b6e9b39db0fa58931873143f6559c3b8d3db2d82d453045f75da94f3236b6c6c5200b52af6cacc038565eb2e9c6a834608dac0b0e8bb45b1e892

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\credentials.txt

MD5
055c857272026583a61e1b5821c69a24

SHA1
ec39d34f16487682801dd2b319554cbed57feca4

SHA256
190db16bb64995e3bdea04b9e6fc1994dacfea3253a7559732205b1d41362b84

SHA512
d7833c4651683e95959107e05b07b60d2e963b9fbecd0106b329e2087d1dfc9aedb962b334e22b6b462699cbce86097d4d50ce5d1310ad098e3531efaa4e204b

Download Submit
memory/1328-136-0x0000000000000000-mapping.dmp

Download
memory/2452-129-0x0000000000000000-mapping.dmp

Download
memory/2452-134-0x000000001B8F0000-0x000000001B8F2000-memory.dmp

Filesize
8KB

Download
memory/2452-132-0x0000000000D10000-0x0000000000D11000-memory.dmp

Filesize
4KB

Download
memory/3308-137-0x0000000000000000-mapping.dmp

Download
memory/3392-124-0x0000000000000000-mapping.dmp

Download
memory/3596-126-0x0000000000401B9C-mapping.dmp

Download
memory/3596-127-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download
memory/3596-128-0x0000000000CB0000-0x0000000000CBA000-memory.dmp

Filesize
40KB

Download
memory/3596-125-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/3792-115-0x0000000000160000-0x0000000000161000-memory.dmp

Filesize
4KB

Download
memory/3792-123-0x00000000085D0000-0x0000000008648000-memory.dmp

Filesize
480KB

Download
memory/3792-122-0x0000000008430000-0x0000000008431000-memory.dmp

Filesize
4KB

Download
memory/3792-121-0x0000000004F50000-0x0000000004F56000-memory.dmp

Filesize
24KB

Download
memory/3792-120-0x0000000004C70000-0x0000000004C71000-memory.dmp

Filesize
4KB

Download
memory/3792-119-0x0000000004A80000-0x0000000004F7E000-memory.dmp

Filesize
5.0MB

Download
memory/3792-118-0x0000000004B70000-0x0000000004B71000-memory.dmp

Filesize
4KB

Download
memory/3792-117-0x0000000004F80000-0x0000000004F81000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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