snakekeylogger | d19ccea3327e9aeb00c9fc78791c20b50a28f43cfa075485efd610b498d3f2b2

General

Target

Purchase Order.exe
Size

636KB
MD5

b4998c696f853894b0c61c6554da3683
SHA1

977f2760b3ab960c036fcbd45d8980e95bf54c5f
SHA256

d19ccea3327e9aeb00c9fc78791c20b50a28f43cfa075485efd610b498d3f2b2
SHA512

76a098ef7fccf8ab19c6e176b0001751e82224805f71ee8a2d41b9e26f0a1702c311bf6a5ff340703a6daa2c2220cb312989b6a2a684cad0cf06b44137558d09
SSDEEP

12288:B4+3RUx0MSNgVkrYtW/6aRcyzi2nHdDra9o6:1Mmek0tW/6zK9DmK

Score

10^/10

snakekeylogger stormkitty collection keylogger spyware stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.mkt-marketing.com
Port:
587
Username:
[email protected]
Password:
Lim5106Ivy

Signatures

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

Snake Keylogger payload 6 IoCs

resource	yara_rule
behavioral1/memory/1468-65-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1468-66-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1468-68-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1468-70-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1468-72-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1468-74-0x0000000004CD0000-0x0000000004D10000-memory.dmp	family_snakekeylogger

StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 5 IoCs

resource	yara_rule
behavioral1/memory/1468-65-0x0000000000400000-0x0000000000426000-memory.dmp	family_stormkitty
behavioral1/memory/1468-66-0x0000000000400000-0x0000000000426000-memory.dmp	family_stormkitty
behavioral1/memory/1468-68-0x0000000000400000-0x0000000000426000-memory.dmp	family_stormkitty
behavioral1/memory/1468-70-0x0000000000400000-0x0000000000426000-memory.dmp	family_stormkitty
behavioral1/memory/1468-72-0x0000000000400000-0x0000000000426000-memory.dmp	family_stormkitty

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-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order.exe
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order.exe
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order.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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1696 set thread context of 1468	1696	Purchase Order.exe	30

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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

pid	Process
1440	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1468	Purchase Order.exe
1468	Purchase Order.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1468	Purchase Order.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1468	Purchase Order.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1696 wrote to memory of 1440	1696	Purchase Order.exe	28
PID 1696 wrote to memory of 1440	1696	Purchase Order.exe	28
PID 1696 wrote to memory of 1440	1696	Purchase Order.exe	28
PID 1696 wrote to memory of 1440	1696	Purchase Order.exe	28
PID 1696 wrote to memory of 1468	1696	Purchase Order.exe	30
PID 1696 wrote to memory of 1468	1696	Purchase Order.exe	30
PID 1696 wrote to memory of 1468	1696	Purchase Order.exe	30
PID 1696 wrote to memory of 1468	1696	Purchase Order.exe	30
PID 1696 wrote to memory of 1468	1696	Purchase Order.exe	30
PID 1696 wrote to memory of 1468	1696	Purchase Order.exe	30
PID 1696 wrote to memory of 1468	1696	Purchase Order.exe	30
PID 1696 wrote to memory of 1468	1696	Purchase Order.exe	30
PID 1696 wrote to memory of 1468	1696	Purchase Order.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1696
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rUoAoacqXC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9E14.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1440
- C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1468

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

1

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\Local\Temp\tmp9E14.tmp

Filesize
1KB

MD5
114cc0871f0a8d1706519ea95af4f3e3

SHA1
083bbde2cbbb8efe4d9ad1fb892efe956008dea7

SHA256
5afc4fb2f3aeb518ed78befcc07ae237ae33be8ea28a4ab2e6d7fb4346971ecc

SHA512
906d056138b705565acdd83bae62e6c677683759fe83974f0348091d35422b1355846296d04f11412d0f93314251fbca126ef2e17a2e52d7ba4e1c86efe24db6

Download Submit
memory/1468-68-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1468-63-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1468-74-0x0000000004CD0000-0x0000000004D10000-memory.dmp

Filesize
256KB

Download
memory/1468-73-0x0000000004CD0000-0x0000000004D10000-memory.dmp

Filesize
256KB

Download
memory/1468-65-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1468-72-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1468-70-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1468-64-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1468-67-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1468-66-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1696-59-0x0000000000950000-0x0000000000976000-memory.dmp

Filesize
152KB

Download
memory/1696-54-0x0000000000980000-0x0000000000A26000-memory.dmp

Filesize
664KB

Download
memory/1696-56-0x00000000005F0000-0x00000000005FC000-memory.dmp

Filesize
48KB

Download
memory/1696-55-0x00000000003A0000-0x00000000003E0000-memory.dmp

Filesize
256KB

Download
memory/1696-58-0x0000000005640000-0x00000000056B4000-memory.dmp

Filesize
464KB

Download
memory/1696-57-0x00000000003A0000-0x00000000003E0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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