a310logger | d166df0fa1b80518c97b3977154bb8ebfc5364daec8f82b76882d43ec74b2c29

General

Target

464424544266244342.exe
Size

899KB
MD5

0911a58481531db75673b46587dbe4c9
SHA1

ab49bd40920e1b24b3c948cd9cd89c328d5edce7
SHA256

d166df0fa1b80518c97b3977154bb8ebfc5364daec8f82b76882d43ec74b2c29
SHA512

08ed905dc6c3fb11263aab1dc82b0f0847f4c2bc9b75c507c250563ea153a0a0c88f0bb21a14cdaf55939997faa461cb71b557bb2eb713ce45b9acb67e116e47

Score

10^/10

a310logger 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

2660 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
Suspicious use of SetThreadContext 1 IoCs

Processes:

464424544266244342.exe

description pid process target process

PID 4000 set thread context of 2708 4000 464424544266244342.exe 464424544266244342.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

2372 schtasks.exe

pid	process
2660	Fox.exe

description	pid	process	target process
PID 4000 set thread context of 2708	4000	464424544266244342.exe	464424544266244342.exe

pid	process
2372	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

464424544266244342.exe

pid	process
4000	464424544266244342.exe
4000	464424544266244342.exe
4000	464424544266244342.exe
4000	464424544266244342.exe
4000	464424544266244342.exe
4000	464424544266244342.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

464424544266244342.exe

description pid process

Token: SeDebugPrivilege 4000 464424544266244342.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

464424544266244342.exe

pid process

2708 464424544266244342.exe

description	pid	process
Token: SeDebugPrivilege	4000	464424544266244342.exe

pid	process
2708	464424544266244342.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

464424544266244342.exe464424544266244342.exeWinMail.exe

description	pid	process	target process
PID 4000 wrote to memory of 2372	4000	464424544266244342.exe	schtasks.exe
PID 4000 wrote to memory of 2372	4000	464424544266244342.exe	schtasks.exe
PID 4000 wrote to memory of 2372	4000	464424544266244342.exe	schtasks.exe
PID 4000 wrote to memory of 3772	4000	464424544266244342.exe	464424544266244342.exe
PID 4000 wrote to memory of 3772	4000	464424544266244342.exe	464424544266244342.exe
PID 4000 wrote to memory of 3772	4000	464424544266244342.exe	464424544266244342.exe
PID 4000 wrote to memory of 2708	4000	464424544266244342.exe	464424544266244342.exe
PID 4000 wrote to memory of 2708	4000	464424544266244342.exe	464424544266244342.exe
PID 4000 wrote to memory of 2708	4000	464424544266244342.exe	464424544266244342.exe
PID 4000 wrote to memory of 2708	4000	464424544266244342.exe	464424544266244342.exe
PID 4000 wrote to memory of 2708	4000	464424544266244342.exe	464424544266244342.exe
PID 4000 wrote to memory of 2708	4000	464424544266244342.exe	464424544266244342.exe
PID 4000 wrote to memory of 2708	4000	464424544266244342.exe	464424544266244342.exe
PID 4000 wrote to memory of 2708	4000	464424544266244342.exe	464424544266244342.exe
PID 2708 wrote to memory of 2660	2708	464424544266244342.exe	Fox.exe
PID 2708 wrote to memory of 2660	2708	464424544266244342.exe	Fox.exe
PID 2708 wrote to memory of 1824	2708	464424544266244342.exe	WinMail.exe
PID 2708 wrote to memory of 1824	2708	464424544266244342.exe	WinMail.exe
PID 2708 wrote to memory of 1824	2708	464424544266244342.exe	WinMail.exe
PID 1824 wrote to memory of 2100	1824	WinMail.exe	WinMail.exe
PID 1824 wrote to memory of 2100	1824	WinMail.exe	WinMail.exe

C:\Users\Admin\AppData\Local\Temp\464424544266244342.exe
"C:\Users\Admin\AppData\Local\Temp\464424544266244342.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4000
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IKIBAFYAQObvf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE2E4.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2372
- C:\Users\Admin\AppData\Local\Temp\464424544266244342.exe
  "C:\Users\Admin\AppData\Local\Temp\464424544266244342.exe"
  2⤵
  PID:3772
- C:\Users\Admin\AppData\Local\Temp\464424544266244342.exe
  "C:\Users\Admin\AppData\Local\Temp\464424544266244342.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2708
- - 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
    PID:2660
- - C:\Program Files (x86)\Windows Mail\WinMail.exe
    "C:\Program Files (x86)\Windows Mail\WinMail" OCInstallUserConfigOE
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1824
  - - C:\Program Files\Windows Mail\WinMail.exe
      "C:\Program Files\Windows Mail\WinMail" OCInstallUserConfigOE
      4⤵
      PID:2100

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

2

T1005

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

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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

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memory/1824-137-0x0000000000000000-mapping.dmp

Download
memory/2100-138-0x0000000000000000-mapping.dmp

Download
memory/2372-125-0x0000000000000000-mapping.dmp

Download
memory/2660-135-0x000000001AE90000-0x000000001AE92000-memory.dmp

Filesize
8KB

Download
memory/2660-133-0x00000000000B0000-0x00000000000B1000-memory.dmp

Filesize
4KB

Download
memory/2660-130-0x0000000000000000-mapping.dmp

Download
memory/2708-126-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2708-127-0x0000000000401B9C-mapping.dmp

Download
memory/4000-115-0x0000000000630000-0x0000000000631000-memory.dmp

Filesize
4KB

Download
memory/4000-124-0x0000000004A50000-0x0000000004AA8000-memory.dmp

Filesize
352KB

Download
memory/4000-123-0x00000000098C0000-0x000000000994B000-memory.dmp

Filesize
556KB

Download
memory/4000-122-0x0000000007680000-0x0000000007696000-memory.dmp

Filesize
88KB

Download
memory/4000-121-0x0000000008ED0000-0x0000000008ED1000-memory.dmp

Filesize
4KB

Download
memory/4000-120-0x00000000073D0000-0x00000000078CE000-memory.dmp

Filesize
5.0MB

Download
memory/4000-119-0x0000000007420000-0x0000000007421000-memory.dmp

Filesize
4KB

Download
memory/4000-118-0x0000000007470000-0x0000000007471000-memory.dmp

Filesize
4KB

Download
memory/4000-117-0x00000000078D0000-0x00000000078D1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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