snakekeylogger | c99b050645ebbc138018a9dcb4c3029bc1a9aa9376e7541c1011e815942948e1

Resubmissions

01-02-2023 17:02

230201-vj6p3aah39 10

01-02-2023 17:00

230201-vjf5eacg4s 10

01-02-2023 16:57

230201-vgbrxacg2y 10

Analysis

max time kernel
151s
max time network
154s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
01-02-2023 16:57

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General

Target

9dc5600bedda76a29aa0e33da951fc30.exe
Size

504KB
MD5

9dc5600bedda76a29aa0e33da951fc30
SHA1

9daa8192ef8b03ee276de60e656a56b88ec2d074
SHA256

e966cd1651a960bc88f3582b328d274b2cbf2b84d59df761cbcd1702c38d5a14
SHA512

96e37c9a6342d09799138a97e1928d595aabf36ee5a250d7bba5c3397117a6bb0d19063cf305e1af6799aad6fbeb9257d429454340953203118fa288a0f74804
SSDEEP

12288:8RFO4oYvuoQouswXH06WAx5HSbr8z9i7+pvdCWtO:8TO4UdrE6J4r8zw6Rsh

Score

10^/10

snakekeylogger keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
francode@newwinbelt-cn.com
Password:
ROe!AB$3

Signatures

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

Snake Keylogger payload 6 IoCs

Processes:

resource	yara_rule
behavioral5/memory/1264-67-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral5/memory/1264-69-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral5/memory/1264-70-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral5/memory/1264-71-0x00000000004206DE-mapping.dmp	family_snakekeylogger
behavioral5/memory/1264-73-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral5/memory/1264-75-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

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

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

Processes:

9dc5600bedda76a29aa0e33da951fc30.exe

description pid process target process

PID 1940 set thread context of 1264 1940 9dc5600bedda76a29aa0e33da951fc30.exe 9dc5600bedda76a29aa0e33da951fc30.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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

Processes:

schtasks.exe

pid process

1364 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

9dc5600bedda76a29aa0e33da951fc30.exe9dc5600bedda76a29aa0e33da951fc30.exepowershell.exe

pid process

1940 9dc5600bedda76a29aa0e33da951fc30.exe
1940 9dc5600bedda76a29aa0e33da951fc30.exe
1264 9dc5600bedda76a29aa0e33da951fc30.exe
1416 powershell.exe

flow	ioc
4	checkip.dyndns.org

description	pid	process	target process
PID 1940 set thread context of 1264	1940	9dc5600bedda76a29aa0e33da951fc30.exe	9dc5600bedda76a29aa0e33da951fc30.exe

pid	process
1364	schtasks.exe

pid	process
1940	9dc5600bedda76a29aa0e33da951fc30.exe
1940	9dc5600bedda76a29aa0e33da951fc30.exe
1264	9dc5600bedda76a29aa0e33da951fc30.exe
1416	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

9dc5600bedda76a29aa0e33da951fc30.exe9dc5600bedda76a29aa0e33da951fc30.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1940	9dc5600bedda76a29aa0e33da951fc30.exe
Token: SeDebugPrivilege	1264	9dc5600bedda76a29aa0e33da951fc30.exe
Token: SeDebugPrivilege	1416	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

9dc5600bedda76a29aa0e33da951fc30.exe

description	pid	process	target process
PID 1940 wrote to memory of 1416	1940	9dc5600bedda76a29aa0e33da951fc30.exe	powershell.exe
PID 1940 wrote to memory of 1416	1940	9dc5600bedda76a29aa0e33da951fc30.exe	powershell.exe
PID 1940 wrote to memory of 1416	1940	9dc5600bedda76a29aa0e33da951fc30.exe	powershell.exe
PID 1940 wrote to memory of 1416	1940	9dc5600bedda76a29aa0e33da951fc30.exe	powershell.exe
PID 1940 wrote to memory of 1364	1940	9dc5600bedda76a29aa0e33da951fc30.exe	schtasks.exe
PID 1940 wrote to memory of 1364	1940	9dc5600bedda76a29aa0e33da951fc30.exe	schtasks.exe
PID 1940 wrote to memory of 1364	1940	9dc5600bedda76a29aa0e33da951fc30.exe	schtasks.exe
PID 1940 wrote to memory of 1364	1940	9dc5600bedda76a29aa0e33da951fc30.exe	schtasks.exe
PID 1940 wrote to memory of 1264	1940	9dc5600bedda76a29aa0e33da951fc30.exe	9dc5600bedda76a29aa0e33da951fc30.exe
PID 1940 wrote to memory of 1264	1940	9dc5600bedda76a29aa0e33da951fc30.exe	9dc5600bedda76a29aa0e33da951fc30.exe
PID 1940 wrote to memory of 1264	1940	9dc5600bedda76a29aa0e33da951fc30.exe	9dc5600bedda76a29aa0e33da951fc30.exe
PID 1940 wrote to memory of 1264	1940	9dc5600bedda76a29aa0e33da951fc30.exe	9dc5600bedda76a29aa0e33da951fc30.exe
PID 1940 wrote to memory of 1264	1940	9dc5600bedda76a29aa0e33da951fc30.exe	9dc5600bedda76a29aa0e33da951fc30.exe
PID 1940 wrote to memory of 1264	1940	9dc5600bedda76a29aa0e33da951fc30.exe	9dc5600bedda76a29aa0e33da951fc30.exe
PID 1940 wrote to memory of 1264	1940	9dc5600bedda76a29aa0e33da951fc30.exe	9dc5600bedda76a29aa0e33da951fc30.exe
PID 1940 wrote to memory of 1264	1940	9dc5600bedda76a29aa0e33da951fc30.exe	9dc5600bedda76a29aa0e33da951fc30.exe
PID 1940 wrote to memory of 1264	1940	9dc5600bedda76a29aa0e33da951fc30.exe	9dc5600bedda76a29aa0e33da951fc30.exe

C:\Users\Admin\AppData\Local\Temp\9dc5600bedda76a29aa0e33da951fc30.exe
"C:\Users\Admin\AppData\Local\Temp\9dc5600bedda76a29aa0e33da951fc30.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1940

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UDBgQhSevZPJlf.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1416

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UDBgQhSevZPJlf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA796.tmp"
2⤵
- Creates scheduled task(s)
PID:1364

C:\Users\Admin\AppData\Local\Temp\9dc5600bedda76a29aa0e33da951fc30.exe
"C:\Users\Admin\AppData\Local\Temp\9dc5600bedda76a29aa0e33da951fc30.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1264

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA796.tmp
Filesize
1KB

MD5
4b7e4884267a971177d576b06d1267f7

SHA1
718dbf22d2ee14bb0e2065ecdc8512a0f6bf4124

SHA256
3148591c33714fc01f1c0c263d92db9b1c90dc459efa04590f43313e9c81b8a8

SHA512
cdcd67fe7397ea44b42bc42da89eee2f1d97d31d8b1c02b74edf81243e570b1b6aaadc4dd6fd20991662cd82758a9eaa723178a6cfaa1df2d8310729e82319b2

Download Submit
memory/1264-64-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1264-75-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1264-73-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1264-71-0x00000000004206DE-mapping.dmp

Download
memory/1264-70-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1264-65-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1264-67-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1264-69-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1364-60-0x0000000000000000-mapping.dmp

Download
memory/1416-77-0x000000006E300000-0x000000006E8AB000-memory.dmp

Filesize
5.7MB

Download
memory/1416-59-0x0000000000000000-mapping.dmp

Download
memory/1416-78-0x000000006E300000-0x000000006E8AB000-memory.dmp

Filesize
5.7MB

Download
memory/1940-58-0x0000000004FB0000-0x0000000005010000-memory.dmp

Filesize
384KB

Download
memory/1940-63-0x00000000021A0000-0x00000000021C8000-memory.dmp

Filesize
160KB

Download
memory/1940-54-0x0000000000BC0000-0x0000000000C42000-memory.dmp

Filesize
520KB

Download
memory/1940-57-0x0000000000660000-0x000000000066A000-memory.dmp

Filesize
40KB

Download
memory/1940-56-0x00000000005A0000-0x00000000005B4000-memory.dmp

Filesize
80KB

Download
memory/1940-55-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

Filesize
8KB

Download