snakekeylogger | 337f2438ac48410b788b27c4d5a3668b67f1a7d5c1eb3d1c614dfd1652b5a42d

Analysis

max time kernel
124s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24-09-2024 11:27

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General

Target

Items IMG16092024.pdf.exe
Size

957KB
MD5

e24b9ef302a36051801a4d27e5563350
SHA1

f7ca82fcd4fc8d02f6135ee4da09e3d0277421f0
SHA256

337f2438ac48410b788b27c4d5a3668b67f1a7d5c1eb3d1c614dfd1652b5a42d
SHA512

5ebae13b999767baaa6ba52792b8da9e66c814911fe147a90b0e6b4b072533ca12f5447a40bb4832278c381e584223f4ad5dc5bdf8f3c656bf7e7451d7500ffe
SSDEEP

24576:jL7opqubED/7h4y9VATErHoJUG79VkxxKIR5e:rkFahvJrR290

Score

10^/10

snakekeylogger collection discovery keylogger persistence stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot7444558447:AAHNIAHnG1YJbhdGtivj0iiHR8ECCeZ9fo4/sendMessage?chat_id=6981201194

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/3132-1096-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 4992 created 3428	4992	Items IMG16092024.pdf.exe	55

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Jrrujjoouf = "C:\\Users\\Admin\\AppData\\Roaming\\Jrrujjoouf.exe"	Items IMG16092024.pdf.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
19	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4992 set thread context of 3132	4992	Items IMG16092024.pdf.exe	92

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	Items IMG16092024.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4992	Items IMG16092024.pdf.exe
3132	InstallUtil.exe
3132	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4992	Items IMG16092024.pdf.exe
Token: SeDebugPrivilege	4992	Items IMG16092024.pdf.exe
Token: SeDebugPrivilege	3132	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4992 wrote to memory of 3132	4992	Items IMG16092024.pdf.exe	92
PID 4992 wrote to memory of 3132	4992	Items IMG16092024.pdf.exe	92
PID 4992 wrote to memory of 3132	4992	Items IMG16092024.pdf.exe	92
PID 4992 wrote to memory of 3132	4992	Items IMG16092024.pdf.exe	92
PID 4992 wrote to memory of 3132	4992	Items IMG16092024.pdf.exe	92
PID 4992 wrote to memory of 3132	4992	Items IMG16092024.pdf.exe	92
PID 4992 wrote to memory of 3132	4992	Items IMG16092024.pdf.exe	92
PID 4992 wrote to memory of 3132	4992	Items IMG16092024.pdf.exe	92

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3428
- C:\Users\Admin\AppData\Local\Temp\Items IMG16092024.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Items IMG16092024.pdf.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4992
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.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:3132

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3132-1095-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/3132-1097-0x00000000050D0000-0x000000000516C000-memory.dmp

Filesize
624KB

Download
memory/3132-1096-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3132-1098-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/3132-1099-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/3132-1104-0x0000000006440000-0x000000000644A000-memory.dmp

Filesize
40KB

Download
memory/3132-1103-0x00000000064B0000-0x0000000006542000-memory.dmp

Filesize
584KB

Download
memory/3132-1102-0x00000000065E0000-0x00000000067A2000-memory.dmp

Filesize
1.8MB

Download
memory/3132-1101-0x00000000063C0000-0x0000000006410000-memory.dmp

Filesize
320KB

Download
memory/3132-1100-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/4992-32-0x0000000005640000-0x0000000005721000-memory.dmp

Filesize
900KB

Download
memory/4992-16-0x0000000005640000-0x0000000005721000-memory.dmp

Filesize
900KB

Download
memory/4992-68-0x0000000005640000-0x0000000005721000-memory.dmp

Filesize
900KB

Download
memory/4992-66-0x0000000005640000-0x0000000005721000-memory.dmp

Filesize
900KB

Download
memory/4992-62-0x0000000005640000-0x0000000005721000-memory.dmp

Filesize
900KB

Download
memory/4992-60-0x0000000005640000-0x0000000005721000-memory.dmp

Filesize
900KB

Download
memory/4992-58-0x0000000005640000-0x0000000005721000-memory.dmp

Filesize
900KB

Download
memory/4992-64-0x0000000005640000-0x0000000005721000-memory.dmp

Filesize
900KB

Download
memory/4992-56-0x0000000005640000-0x0000000005721000-memory.dmp

Filesize
900KB

Download
memory/4992-52-0x0000000005640000-0x0000000005721000-memory.dmp

Filesize
900KB

Download
memory/4992-50-0x0000000005640000-0x0000000005721000-memory.dmp

Filesize
900KB

Download
memory/4992-48-0x0000000005640000-0x0000000005721000-memory.dmp

Filesize
900KB

Download
memory/4992-46-0x0000000005640000-0x0000000005721000-memory.dmp

Filesize
900KB

Download
memory/4992-42-0x0000000005640000-0x0000000005721000-memory.dmp

Filesize
900KB

Download
memory/4992-40-0x0000000005640000-0x0000000005721000-memory.dmp

Filesize
900KB

Download
memory/4992-38-0x0000000005640000-0x0000000005721000-memory.dmp

Filesize
900KB

Download
memory/4992-36-0x0000000005640000-0x0000000005721000-memory.dmp

Filesize
900KB

Download
memory/4992-34-0x0000000005640000-0x0000000005721000-memory.dmp

Filesize
900KB

Download
memory/4992-44-0x0000000005640000-0x0000000005721000-memory.dmp

Filesize
900KB

Download
memory/4992-30-0x0000000005640000-0x0000000005721000-memory.dmp

Filesize
900KB

Download
memory/4992-28-0x0000000005640000-0x0000000005721000-memory.dmp

Filesize
900KB

Download
memory/4992-26-0x0000000005640000-0x0000000005721000-memory.dmp

Filesize
900KB

Download
memory/4992-24-0x0000000005640000-0x0000000005721000-memory.dmp

Filesize
900KB

Download
memory/4992-22-0x0000000005640000-0x0000000005721000-memory.dmp

Filesize
900KB

Download
memory/4992-18-0x0000000005640000-0x0000000005721000-memory.dmp

Filesize
900KB

Download
memory/4992-54-0x0000000005640000-0x0000000005721000-memory.dmp

Filesize
900KB

Download
memory/4992-15-0x0000000005640000-0x0000000005721000-memory.dmp

Filesize
900KB

Download
memory/4992-10-0x0000000005640000-0x0000000005721000-memory.dmp

Filesize
900KB

Download
memory/4992-8-0x0000000005640000-0x0000000005721000-memory.dmp

Filesize
900KB

Download
memory/4992-6-0x0000000005640000-0x0000000005721000-memory.dmp

Filesize
900KB

Download
memory/4992-5-0x0000000005640000-0x0000000005721000-memory.dmp

Filesize
900KB

Download
memory/4992-20-0x0000000005640000-0x0000000005721000-memory.dmp

Filesize
900KB

Download
memory/4992-12-0x0000000005640000-0x0000000005721000-memory.dmp

Filesize
900KB

Download
memory/4992-1079-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/4992-1080-0x0000000005EF0000-0x0000000005F52000-memory.dmp

Filesize
392KB

Download
memory/4992-1081-0x0000000005F50000-0x0000000005F9C000-memory.dmp

Filesize
304KB

Download
memory/4992-1085-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/4992-1086-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/4992-1087-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/4992-1088-0x00000000748DE000-0x00000000748DF000-memory.dmp

Filesize
4KB

Download
memory/4992-4-0x0000000005640000-0x0000000005728000-memory.dmp

Filesize
928KB

Download
memory/4992-3-0x0000000005340000-0x0000000005426000-memory.dmp

Filesize
920KB

Download
memory/4992-2-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/4992-1-0x0000000000800000-0x00000000008F6000-memory.dmp

Filesize
984KB

Download
memory/4992-0-0x00000000748DE000-0x00000000748DF000-memory.dmp

Filesize
4KB

Download
memory/4992-1089-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/4992-1090-0x00000000068C0000-0x0000000006E64000-memory.dmp

Filesize
5.6MB

Download
memory/4992-1091-0x0000000006010000-0x0000000006064000-memory.dmp

Filesize
336KB

Download
memory/4992-1094-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download