snakekeylogger | 58639b55ef4faebf0a6ab625ecdd348508fab2fc433a1dcc2bee02b20bee2078

General

Target

Nmtdeo.exe
Size

277KB
MD5

597b9168856a6693e107e7f1e80483e7
SHA1

ce15dbb1a3397127def9ab607694a82c14abfa2a
SHA256

58639b55ef4faebf0a6ab625ecdd348508fab2fc433a1dcc2bee02b20bee2078
SHA512

6b431b15a49114e92705e7549dd1143dcbc40c78f2e89c099cda3f3e312306dfb330535d01b41f53f90116e6126a1662b120def47b4e02af7f71a102891b969b
SSDEEP

6144:+KbhmkakvzstDVP+8SJIDRINLLOxJSksFGAtvHLqsIaP7i2NnD:+N3PZmvJIt6LOXSBFGeBIaj7N

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6339928612:AAF--PH7Kfwf4Dph8taQxUsHJm3oLkMeciE/sendMessage?chat_id=5532763142

Signatures

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

Snake Keylogger payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3268-11-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger

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:

Nmtdeo.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Control Panel\International\Geo\Nation Nmtdeo.exe
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 2 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

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Control Panel\International\Geo\Nation	Nmtdeo.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Nmtdeo.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Nmtdeo.exe
Key opened	\REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Nmtdeo.exe
Key opened	\REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Nmtdeo.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

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

Processes:

Nmtdeo.exe

description pid process target process

PID 2340 set thread context of 3268 2340 Nmtdeo.exe Nmtdeo.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command and Scripting Interpreter
T1059

Processes:

ipconfig.exeipconfig.exe

pid process

3944 ipconfig.exe
1912 ipconfig.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Nmtdeo.exe

pid process

3268 Nmtdeo.exe
3268 Nmtdeo.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Nmtdeo.exeNmtdeo.exe

description pid process

Token: SeDebugPrivilege 2340 Nmtdeo.exe
Token: SeDebugPrivilege 3268 Nmtdeo.exe

flow	ioc
85	checkip.dyndns.org

description	pid	process	target process
PID 2340 set thread context of 3268	2340	Nmtdeo.exe	Nmtdeo.exe

pid	process
3944	ipconfig.exe
1912	ipconfig.exe

pid	process
3268	Nmtdeo.exe
3268	Nmtdeo.exe

description	pid	process
Token: SeDebugPrivilege	2340	Nmtdeo.exe
Token: SeDebugPrivilege	3268	Nmtdeo.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

Nmtdeo.execmd.execmd.exe

description	pid	process	target process
PID 2340 wrote to memory of 3824	2340	Nmtdeo.exe	cmd.exe
PID 2340 wrote to memory of 3824	2340	Nmtdeo.exe	cmd.exe
PID 2340 wrote to memory of 3824	2340	Nmtdeo.exe	cmd.exe
PID 3824 wrote to memory of 3944	3824	cmd.exe	ipconfig.exe
PID 3824 wrote to memory of 3944	3824	cmd.exe	ipconfig.exe
PID 3824 wrote to memory of 3944	3824	cmd.exe	ipconfig.exe
PID 2340 wrote to memory of 4884	2340	Nmtdeo.exe	cmd.exe
PID 2340 wrote to memory of 4884	2340	Nmtdeo.exe	cmd.exe
PID 2340 wrote to memory of 4884	2340	Nmtdeo.exe	cmd.exe
PID 4884 wrote to memory of 1912	4884	cmd.exe	ipconfig.exe
PID 4884 wrote to memory of 1912	4884	cmd.exe	ipconfig.exe
PID 4884 wrote to memory of 1912	4884	cmd.exe	ipconfig.exe
PID 2340 wrote to memory of 3268	2340	Nmtdeo.exe	Nmtdeo.exe
PID 2340 wrote to memory of 3268	2340	Nmtdeo.exe	Nmtdeo.exe
PID 2340 wrote to memory of 3268	2340	Nmtdeo.exe	Nmtdeo.exe
PID 2340 wrote to memory of 3268	2340	Nmtdeo.exe	Nmtdeo.exe
PID 2340 wrote to memory of 3268	2340	Nmtdeo.exe	Nmtdeo.exe
PID 2340 wrote to memory of 3268	2340	Nmtdeo.exe	Nmtdeo.exe
PID 2340 wrote to memory of 3268	2340	Nmtdeo.exe	Nmtdeo.exe
PID 2340 wrote to memory of 3268	2340	Nmtdeo.exe	Nmtdeo.exe

outlook_office_path 1 IoCs

Processes:

Nmtdeo.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Nmtdeo.exe

outlook_win_path 1 IoCs

Processes:

Nmtdeo.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Nmtdeo.exe

C:\Users\Admin\AppData\Local\Temp\Nmtdeo.exe
"C:\Users\Admin\AppData\Local\Temp\Nmtdeo.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2340

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ipconfig /release
2⤵
- Suspicious use of WriteProcessMemory
PID:3824

C:\Windows\SysWOW64\ipconfig.exe
ipconfig /release
3⤵
- Gathers network information
PID:3944

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ipconfig /renew
2⤵
- Suspicious use of WriteProcessMemory
PID:4884

C:\Windows\SysWOW64\ipconfig.exe
ipconfig /renew
3⤵
- Gathers network information
PID:1912

C:\Users\Admin\AppData\Local\Temp\Nmtdeo.exe
C:\Users\Admin\AppData\Local\Temp\Nmtdeo.exe
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3268

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

3

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\Microsoft\CLR_v4.0_32\UsageLogs\Nmtdeo.exe.log

Filesize
1KB

MD5
f7047b64aa01f9d80c7a5e177ce2485c

SHA1
bab6005f4a30f12ee36b9abf6bfdfaa5411bbff8

SHA256
807356d2424d2d04f51ebd56f926d4d5a8318bc947c76569a3b5ca2c2f279915

SHA512
a9af5ace72eb66a6156a5d8764031cdc46feefffabb6898651f91a5af7f3bcef645e63e8d01ed35f1105e824d6830f6fa97e70adda2d5b148ffaff5f54ca248f

Download Submit
memory/2340-10-0x0000000004D00000-0x0000000004D10000-memory.dmp

Filesize
64KB

Download
memory/2340-5-0x0000000004BF0000-0x0000000004C26000-memory.dmp

Filesize
216KB

Download
memory/2340-16-0x00000000747F0000-0x0000000074FA0000-memory.dmp

Filesize
7.7MB

Download
memory/2340-4-0x0000000004D00000-0x0000000004D10000-memory.dmp

Filesize
64KB

Download
memory/2340-1-0x00000000001D0000-0x000000000021C000-memory.dmp

Filesize
304KB

Download
memory/2340-6-0x0000000004C30000-0x0000000004C7C000-memory.dmp

Filesize
304KB

Download
memory/2340-7-0x0000000004DB0000-0x0000000004E42000-memory.dmp

Filesize
584KB

Download
memory/2340-8-0x0000000004E50000-0x0000000004EB6000-memory.dmp

Filesize
408KB

Download
memory/2340-9-0x0000000005470000-0x0000000005A14000-memory.dmp

Filesize
5.6MB

Download
memory/2340-0-0x00000000747F0000-0x0000000074FA0000-memory.dmp

Filesize
7.7MB

Download
memory/2340-3-0x0000000004BA0000-0x0000000004BE8000-memory.dmp

Filesize
288KB

Download
memory/2340-2-0x00000000747F0000-0x0000000074FA0000-memory.dmp

Filesize
7.7MB

Download
memory/3268-14-0x00000000747F0000-0x0000000074FA0000-memory.dmp

Filesize
7.7MB

Download
memory/3268-15-0x0000000005270000-0x000000000530C000-memory.dmp

Filesize
624KB

Download
memory/3268-11-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3268-17-0x00000000054E0000-0x00000000054F0000-memory.dmp

Filesize
64KB

Download
memory/3268-18-0x00000000747F0000-0x0000000074FA0000-memory.dmp

Filesize
7.7MB

Download
memory/3268-19-0x00000000064A0000-0x00000000064F0000-memory.dmp

Filesize
320KB

Download
memory/3268-20-0x00000000066C0000-0x0000000006882000-memory.dmp

Filesize
1.8MB

Download
memory/3268-21-0x00000000054E0000-0x00000000054F0000-memory.dmp

Filesize
64KB

Download
memory/3268-22-0x00000000066A0000-0x00000000066AA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads