snakekeylogger | 92c7146dd4dd24206b2c0b9dee831bdd772eced8b8d5c67b3b73e31bababea82

General

Target

MV. NEW BRIDGE (EX THORCO SVENDBORG)..xll
Size

1.7MB
MD5

e772d046be7fbfbe96e90eca5ab20566
SHA1

286d9bcf13c0cb309f9041f2ea03e5ce99848669
SHA256

92c7146dd4dd24206b2c0b9dee831bdd772eced8b8d5c67b3b73e31bababea82
SHA512

4c79623f6c7c557169da85715e69f387ef2d98a16ab35516768ef921e65e791d1301d2574a6703b1e7c9fb6902d69bef341908294ba31469e57321533de70103

Score

10^/10

snakekeylogger collection keylogger persistence stealer suricata

Malware Config

Extracted

Language

xlm4.0

Source

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot1707668650:AAFJBUcmT6aGlXwy3-beDARhm0ji930DCzM/sendMessage?chat_id=-772314354

Signatures

Process spawned unexpected child process 2 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

cmd.execmd.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1188	3568	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3104	3568	cmd.exe	EXCEL.EXE

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

Snake Keylogger Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1600-167-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata
Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

appBQQRFLOQKX.txt.exe

pid process

1324 appBQQRFLOQKX.txt.exe

pid	process
1324	appBQQRFLOQKX.txt.exe

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

Processes:

appBQQRFLOQKX.txt.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	appBQQRFLOQKX.txt.exe

Loads dropped DLL 2 IoCs

Processes:

EXCEL.EXE

pid process

3568 EXCEL.EXE
3568 EXCEL.EXE

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\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

T1060

Modify Registry

T1112

Processes:

appBQQRFLOQKX.txt.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rrfta = "\"C:\\Users\\Admin\\AppData\\Roaming\\Hbxhwj\\Rrfta.exe\""	appBQQRFLOQKX.txt.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.

Processes:

flow ioc

35 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

appBQQRFLOQKX.txt.exe

description pid process target process

PID 1324 set thread context of 1600 1324 appBQQRFLOQKX.txt.exe InstallUtil.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

flow	ioc
35	checkip.dyndns.org

description	pid	process	target process
PID 1324 set thread context of 1600	1324	appBQQRFLOQKX.txt.exe	InstallUtil.exe

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3568 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

powershell.exeappBQQRFLOQKX.txt.exeInstallUtil.exe

pid process

3956 powershell.exe
3956 powershell.exe
1324 appBQQRFLOQKX.txt.exe
1324 appBQQRFLOQKX.txt.exe
1600 InstallUtil.exe

pid	process
3956	powershell.exe
3956	powershell.exe
1324	appBQQRFLOQKX.txt.exe
1324	appBQQRFLOQKX.txt.exe
1600	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

EXCEL.EXEappBQQRFLOQKX.txt.exepowershell.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	3568	EXCEL.EXE
Token: SeDebugPrivilege	1324	appBQQRFLOQKX.txt.exe
Token: SeDebugPrivilege	3956	powershell.exe
Token: SeDebugPrivilege	1600	InstallUtil.exe

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3568	EXCEL.EXE
3568	EXCEL.EXE
3568	EXCEL.EXE
3568	EXCEL.EXE
3568	EXCEL.EXE
3568	EXCEL.EXE
3568	EXCEL.EXE
3568	EXCEL.EXE
3568	EXCEL.EXE
3568	EXCEL.EXE
3568	EXCEL.EXE
3568	EXCEL.EXE

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

EXCEL.EXEcmd.execmd.exeappBQQRFLOQKX.txt.exe

description	pid	process	target process
PID 3568 wrote to memory of 1188	3568	EXCEL.EXE	cmd.exe
PID 3568 wrote to memory of 1188	3568	EXCEL.EXE	cmd.exe
PID 1188 wrote to memory of 4016	1188	cmd.exe	certutil.exe
PID 1188 wrote to memory of 4016	1188	cmd.exe	certutil.exe
PID 3568 wrote to memory of 3104	3568	EXCEL.EXE	cmd.exe
PID 3568 wrote to memory of 3104	3568	EXCEL.EXE	cmd.exe
PID 3104 wrote to memory of 3056	3104	cmd.exe	certutil.exe
PID 3104 wrote to memory of 3056	3104	cmd.exe	certutil.exe
PID 3568 wrote to memory of 1324	3568	EXCEL.EXE	appBQQRFLOQKX.txt.exe
PID 3568 wrote to memory of 1324	3568	EXCEL.EXE	appBQQRFLOQKX.txt.exe
PID 3568 wrote to memory of 1324	3568	EXCEL.EXE	appBQQRFLOQKX.txt.exe
PID 1324 wrote to memory of 3956	1324	appBQQRFLOQKX.txt.exe	powershell.exe
PID 1324 wrote to memory of 3956	1324	appBQQRFLOQKX.txt.exe	powershell.exe
PID 1324 wrote to memory of 3956	1324	appBQQRFLOQKX.txt.exe	powershell.exe
PID 1324 wrote to memory of 1600	1324	appBQQRFLOQKX.txt.exe	InstallUtil.exe
PID 1324 wrote to memory of 1600	1324	appBQQRFLOQKX.txt.exe	InstallUtil.exe
PID 1324 wrote to memory of 1600	1324	appBQQRFLOQKX.txt.exe	InstallUtil.exe
PID 1324 wrote to memory of 1600	1324	appBQQRFLOQKX.txt.exe	InstallUtil.exe
PID 1324 wrote to memory of 1600	1324	appBQQRFLOQKX.txt.exe	InstallUtil.exe
PID 1324 wrote to memory of 1600	1324	appBQQRFLOQKX.txt.exe	InstallUtil.exe
PID 1324 wrote to memory of 1600	1324	appBQQRFLOQKX.txt.exe	InstallUtil.exe
PID 1324 wrote to memory of 1600	1324	appBQQRFLOQKX.txt.exe	InstallUtil.exe

outlook_office_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\MV. NEW BRIDGE (EX THORCO SVENDBORG)..xll"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3568

C:\Windows\SYSTEM32\cmd.exe
"cmd.exe" /C certutil -decode C:\Users\Admin\Downloads\appBQQRFLOQKX.txt C:\Users\Admin\Downloads\appBQQRFLOQKX.txt.xlsx
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1188

C:\Windows\system32\certutil.exe
certutil -decode C:\Users\Admin\Downloads\appBQQRFLOQKX.txt C:\Users\Admin\Downloads\appBQQRFLOQKX.txt.xlsx
3⤵
PID:4016

C:\Windows\SYSTEM32\cmd.exe
"cmd.exe" /C certutil -decode C:\Users\Admin\Downloads\appBQQRFLOQKX.txt C:\Users\Admin\Downloads\appBQQRFLOQKX.txt.exe &
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:3104

C:\Windows\system32\certutil.exe
certutil -decode C:\Users\Admin\Downloads\appBQQRFLOQKX.txt C:\Users\Admin\Downloads\appBQQRFLOQKX.txt.exe
3⤵
PID:3056

C:\Users\Admin\Downloads\appBQQRFLOQKX.txt.exe
"C:\Users\Admin\Downloads\appBQQRFLOQKX.txt.exe"
2⤵
- Executes dropped EXE
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1324

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3956

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
3⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1600

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

4

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\MV. NEW BRIDGE (EX THORCO SVENDBORG)..xll
Filesize
1.7MB

MD5
e772d046be7fbfbe96e90eca5ab20566

SHA1
286d9bcf13c0cb309f9041f2ea03e5ce99848669

SHA256
92c7146dd4dd24206b2c0b9dee831bdd772eced8b8d5c67b3b73e31bababea82

SHA512
4c79623f6c7c557169da85715e69f387ef2d98a16ab35516768ef921e65e791d1301d2574a6703b1e7c9fb6902d69bef341908294ba31469e57321533de70103

Download Submit
C:\Users\Admin\AppData\Local\Temp\MV. NEW BRIDGE (EX THORCO SVENDBORG)..xll
Filesize
1.7MB

MD5
e772d046be7fbfbe96e90eca5ab20566

SHA1
286d9bcf13c0cb309f9041f2ea03e5ce99848669

SHA256
92c7146dd4dd24206b2c0b9dee831bdd772eced8b8d5c67b3b73e31bababea82

SHA512
4c79623f6c7c557169da85715e69f387ef2d98a16ab35516768ef921e65e791d1301d2574a6703b1e7c9fb6902d69bef341908294ba31469e57321533de70103

Download Submit
C:\Users\Admin\Downloads\appBQQRFLOQKX.txt
Filesize
24KB

MD5
fbefbe8ae4a09ba8018b2d7ff9143f3e

SHA1
c03cd7561d6a64f754c65bda8faa5a434eb04e0b

SHA256
881a15d10e000d20b2179290d340e1234f46301569f19e34fe06f82f37cb32c8

SHA512
490167845d6930e10339e83a5e60181e78a718b8975eccb6bb104467020b4fd4b080be20e463e5bfe681549e843999a2b90b3f48db737229e8a0bdc198af7189

Download Submit
C:\Users\Admin\Downloads\appBQQRFLOQKX.txt
Filesize
58B

MD5
759d88148f2999ed1b1db44c9b1be24d

SHA1
6a427759e0dfb9ebc2826a239dd3c7ffb2d39a36

SHA256
22a3bb08dd922fa426a32104fb211b5b6897f286913f74e349c55dcec45e307c

SHA512
0b3c1cbc98c7f6839b7654f80037e5efd0ea06a62ef3afb52423d27cd283aee4b844befed5fb0f1f65f89fe472a455a255f911e9a296206758e53666fdd5d852

Download Submit
C:\Users\Admin\Downloads\appBQQRFLOQKX.txt.exe
Filesize
174KB

MD5
29e69c25d02c5a45e62f038f7aa7a716

SHA1
9aa09cd4c4126cd410a2674a37d34d1d7575d8b0

SHA256
cb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db

SHA512
b626b753d4e9daf4ab42e0fe00213600a12874822703c7d7c9fb6a2c8548885ad6f30b341c317780146ac5c7dacf11331071cc721c0cc9a411c4386dc6ee00e9

Download Submit
C:\Users\Admin\Downloads\appBQQRFLOQKX.txt.exe
Filesize
174KB

MD5
29e69c25d02c5a45e62f038f7aa7a716

SHA1
9aa09cd4c4126cd410a2674a37d34d1d7575d8b0

SHA256
cb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db

SHA512
b626b753d4e9daf4ab42e0fe00213600a12874822703c7d7c9fb6a2c8548885ad6f30b341c317780146ac5c7dacf11331071cc721c0cc9a411c4386dc6ee00e9

Download Submit
C:\Users\Admin\Downloads\appBQQRFLOQKX.txt.xlsx
Filesize
18KB

MD5
aea065e068a1c885c5c82b9da16de628

SHA1
f6c1af23d9e30b77160bf0da4f56eaef94d853c1

SHA256
fcd49a887692286cd815e911fd667f9323152c4d13e37020f065aabd023ab0ca

SHA512
092247866bca90694c95e7d1db658baba7fd88c192fd8e2c132de896541b3a09b74b17055022dbb03789814a0a31c3ae57072e6ef6f3c88f2cd23c0ca8275c8a

Download Submit
memory/1188-141-0x0000000000000000-mapping.dmp

Download
memory/1324-165-0x000000002FD70000-0x000000002FE02000-memory.dmp

Filesize
584KB

Download
memory/1324-150-0x0000000000000000-mapping.dmp

Download
memory/1324-153-0x0000000000EA0000-0x0000000000ED2000-memory.dmp

Filesize
200KB

Download
memory/1600-166-0x0000000000000000-mapping.dmp

Download
memory/1600-167-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1600-168-0x0000000004E20000-0x00000000053C4000-memory.dmp

Filesize
5.6MB

Download
memory/1600-169-0x0000000004910000-0x00000000049AC000-memory.dmp

Filesize
624KB

Download
memory/1600-170-0x00000000059A0000-0x0000000005B62000-memory.dmp

Filesize
1.8MB

Download
memory/1600-171-0x0000000005910000-0x000000000591A000-memory.dmp

Filesize
40KB

Download
memory/3056-148-0x0000000000000000-mapping.dmp

Download
memory/3104-147-0x0000000000000000-mapping.dmp

Download
memory/3568-164-0x0000014E1DC5C000-0x0000014E1DC5F000-memory.dmp

Filesize
12KB

Download
memory/3568-133-0x00007FF8D0890000-0x00007FF8D08A0000-memory.dmp

Filesize
64KB

Download
memory/3568-144-0x00007FF8E85F0000-0x00007FF8E90B1000-memory.dmp

Filesize
10.8MB

Download
memory/3568-177-0x00007FF8E85F0000-0x00007FF8E90B1000-memory.dmp

Filesize
10.8MB

Download
memory/3568-176-0x00007FF8D0890000-0x00007FF8D08A0000-memory.dmp

Filesize
64KB

Download
memory/3568-175-0x00007FF8D0890000-0x00007FF8D08A0000-memory.dmp

Filesize
64KB

Download
memory/3568-174-0x00007FF8D0890000-0x00007FF8D08A0000-memory.dmp

Filesize
64KB

Download
memory/3568-173-0x00007FF8D0890000-0x00007FF8D08A0000-memory.dmp

Filesize
64KB

Download
memory/3568-131-0x00007FF8D0890000-0x00007FF8D08A0000-memory.dmp

Filesize
64KB

Download
memory/3568-132-0x00007FF8D0890000-0x00007FF8D08A0000-memory.dmp

Filesize
64KB

Download
memory/3568-146-0x0000014E1DC5C000-0x0000014E1DC5F000-memory.dmp

Filesize
12KB

Download
memory/3568-134-0x00007FF8D0890000-0x00007FF8D08A0000-memory.dmp

Filesize
64KB

Download
memory/3568-135-0x00007FF8CDFC0000-0x00007FF8CDFD0000-memory.dmp

Filesize
64KB

Download
memory/3568-163-0x00007FF8E85F0000-0x00007FF8E90B1000-memory.dmp

Filesize
10.8MB

Download
memory/3568-130-0x00007FF8D0890000-0x00007FF8D08A0000-memory.dmp

Filesize
64KB

Download
memory/3568-138-0x0000014E05560000-0x0000014E05733000-memory.dmp

Filesize
1.8MB

Download
memory/3568-136-0x00007FF8CDFC0000-0x00007FF8CDFD0000-memory.dmp

Filesize
64KB

Download
memory/3956-162-0x0000000006AB0000-0x0000000006ACA000-memory.dmp

Filesize
104KB

Download
memory/3956-161-0x0000000007C00000-0x000000000827A000-memory.dmp

Filesize
6.5MB

Download
memory/3956-160-0x00000000065B0000-0x00000000065CE000-memory.dmp

Filesize
120KB

Download
memory/3956-159-0x0000000005EA0000-0x0000000005F06000-memory.dmp

Filesize
408KB

Download
memory/3956-158-0x0000000005D30000-0x0000000005D96000-memory.dmp

Filesize
408KB

Download
memory/3956-157-0x0000000005600000-0x0000000005622000-memory.dmp

Filesize
136KB

Download
memory/3956-156-0x0000000005690000-0x0000000005CB8000-memory.dmp

Filesize
6.2MB

Download
memory/3956-155-0x0000000004FF0000-0x0000000005026000-memory.dmp

Filesize
216KB

Download
memory/3956-154-0x0000000000000000-mapping.dmp

Download
memory/4016-142-0x0000000000000000-mapping.dmp

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads