a310logger | 61560f470822a249950e3d35574aae0ee9c93da31c1fd6f001c0cec97069a4fb

General

Target

b3d0b8c065ad75dfd646829bc7c87735.exe
Size

67KB
MD5

b3d0b8c065ad75dfd646829bc7c87735
SHA1

629655f03b356ad46ae106855eb004c7be7098c0
SHA256

61560f470822a249950e3d35574aae0ee9c93da31c1fd6f001c0cec97069a4fb
SHA512

81539089391fb7aad33450a37ab57ec4a13c544a70ead868bc89f4e5d3d81dd948b4ea82c9ba1a780e03dfee608839b6acf2868f0ff6c0fc0fd2ef2fd6cf766e
SSDEEP

768:Xb5fzfrnTjUzYZzZbvINP2hTlCio1cIBB6zTTCkvbIcwlwLHT1C4kh3ZsXULI9eN:L5bTnBIrio1cKeTDvbIcwqdUEPR+pR

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

resource	yara_rule
behavioral2/files/0x000200000001e828-9.dat	a310logger
behavioral2/memory/3696-17-0x0000000000D00000-0x0000000000D10000-memory.dmp	a310logger

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation	b3d0b8c065ad75dfd646829bc7c87735.exe

Executes dropped EXE 1 IoCs

pid	Process
3696	MZ.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
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b3d0b8c065ad75dfd646829bc7c87735.exe
Key opened	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b3d0b8c065ad75dfd646829bc7c87735.exe
Key opened	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b3d0b8c065ad75dfd646829bc7c87735.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
21	icanhazip.com

Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	b3d0b8c065ad75dfd646829bc7c87735.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	b3d0b8c065ad75dfd646829bc7c87735.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3696	MZ.exe
3696	MZ.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4188	b3d0b8c065ad75dfd646829bc7c87735.exe
Token: SeDebugPrivilege	3696	MZ.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4188 wrote to memory of 3696	4188	b3d0b8c065ad75dfd646829bc7c87735.exe	95
PID 4188 wrote to memory of 3696	4188	b3d0b8c065ad75dfd646829bc7c87735.exe	95

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b3d0b8c065ad75dfd646829bc7c87735.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b3d0b8c065ad75dfd646829bc7c87735.exe

C:\Users\Admin\AppData\Local\Temp\b3d0b8c065ad75dfd646829bc7c87735.exe
"C:\Users\Admin\AppData\Local\Temp\b3d0b8c065ad75dfd646829bc7c87735.exe"
1⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:4188
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

2

T1012

System Information Discovery

3

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\MZ.exe

Filesize
20KB

MD5
1bad0cbd09b05a21157d8255dc801778

SHA1
ff284bba12f011b72e20d4c9537d6c455cdbf228

SHA256
218073bda7a00e780704c1289d5e22ad27bb3ba11f210afa18af33a6ad5176e9

SHA512
4fea56812eba1f1bba17f20d06b509e2a3b4e138562e53c230d0736d596abed4a6a3e43e26936fcd6d107924c8bba41885f34901afa4fd0d37d7e4a93c9b8533

Download Submit
memory/3696-16-0x00007FF832A30000-0x00007FF8333D1000-memory.dmp

Filesize
9.6MB

Download
memory/3696-17-0x0000000000D00000-0x0000000000D10000-memory.dmp

Filesize
64KB

Download
memory/3696-21-0x00007FF832A30000-0x00007FF8333D1000-memory.dmp

Filesize
9.6MB

Download
memory/3696-22-0x00007FF832A30000-0x00007FF8333D1000-memory.dmp

Filesize
9.6MB

Download
memory/4188-0-0x000000001B080000-0x000000001B0E2000-memory.dmp

Filesize
392KB

Download
memory/4188-1-0x00007FF832A30000-0x00007FF8333D1000-memory.dmp

Filesize
9.6MB

Download
memory/4188-3-0x00007FF832A30000-0x00007FF8333D1000-memory.dmp

Filesize
9.6MB

Download
memory/4188-4-0x0000000000AE0000-0x0000000000AF0000-memory.dmp

Filesize
64KB

Download
memory/4188-2-0x000000001B210000-0x000000001B2B6000-memory.dmp

Filesize
664KB

Download
memory/4188-24-0x00007FF832A30000-0x00007FF8333D1000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads