snakekeylogger | 800c09c96be8db9762e858926bae8a19ad02ae9733095e6eb6e1c493f1f42f2e

General

Target

Purchase Order No.1364.exe
Size

598KB
MD5

0ffccbf50f1d79d5f49413954df54ffc
SHA1

a0e8bff3e1c69eb141af9a47170a126fd7214be1
SHA256

83b701ff5443094c497075463b217819c0b7915a156943e3877ce114a6279800
SHA512

a639c62ea9c091abb5754d470f151089eea9fd8d36d6b039c550337d748e08036bd8381c18b718557e36da68184f0931a287dd577184cbc6a2874df45794a428
SSDEEP

12288:ajUrH0eyTvyTksqFtYZo3uaP9u796ZwGV/OXeXVVKtB:FH0DTawsItYyuaPlZ/wAK

Score

10^/10

snakekeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
[email protected]
Password:
Psalm@1278

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/2424-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger
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
T1552.001
Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order No.1364.exe
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order No.1364.exe
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order No.1364.exe

Looks up external IP address via web service 3 IoCs

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

flow	ioc
16	checkip.dyndns.org
20	reallyfreegeoip.org
21	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3940 set thread context of 2424	3940	Purchase Order No.1364.exe	96

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Purchase Order No.1364.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Purchase Order No.1364.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2424	Purchase Order No.1364.exe
2424	Purchase Order No.1364.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2424	Purchase Order No.1364.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3940 wrote to memory of 2424	3940	Purchase Order No.1364.exe	96
PID 3940 wrote to memory of 2424	3940	Purchase Order No.1364.exe	96
PID 3940 wrote to memory of 2424	3940	Purchase Order No.1364.exe	96
PID 3940 wrote to memory of 2424	3940	Purchase Order No.1364.exe	96
PID 3940 wrote to memory of 2424	3940	Purchase Order No.1364.exe	96
PID 3940 wrote to memory of 2424	3940	Purchase Order No.1364.exe	96
PID 3940 wrote to memory of 2424	3940	Purchase Order No.1364.exe	96
PID 3940 wrote to memory of 2424	3940	Purchase Order No.1364.exe	96

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order No.1364.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order No.1364.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order No.1364.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order No.1364.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3940
- C:\Users\Admin\AppData\Local\Temp\Purchase Order No.1364.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase Order No.1364.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2424

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

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\Microsoft\CLR_v4.0_32\UsageLogs\Purchase Order No.1364.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2424-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2424-20-0x0000000006C80000-0x0000000006E42000-memory.dmp

Filesize
1.8MB

Download
memory/2424-19-0x0000000006A60000-0x0000000006AB0000-memory.dmp

Filesize
320KB

Download
memory/2424-18-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/2424-17-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/2424-16-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/2424-15-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/3940-5-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/3940-9-0x0000000002A60000-0x0000000002ACC000-memory.dmp

Filesize
432KB

Download
memory/3940-10-0x000000000D0C0000-0x000000000D15C000-memory.dmp

Filesize
624KB

Download
memory/3940-8-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/3940-7-0x0000000074D6E000-0x0000000074D6F000-memory.dmp

Filesize
4KB

Download
memory/3940-14-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/3940-6-0x00000000056F0000-0x000000000570E000-memory.dmp

Filesize
120KB

Download
memory/3940-0-0x0000000074D6E000-0x0000000074D6F000-memory.dmp

Filesize
4KB

Download
memory/3940-4-0x00000000051D0000-0x00000000051DA000-memory.dmp

Filesize
40KB

Download
memory/3940-3-0x0000000005200000-0x0000000005292000-memory.dmp

Filesize
584KB

Download
memory/3940-2-0x0000000005710000-0x0000000005CB4000-memory.dmp

Filesize
5.6MB

Download
memory/3940-1-0x0000000000750000-0x00000000007EC000-memory.dmp

Filesize
624KB

Download

Analysis

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