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

resource	yara_rule
behavioral2/memory/1880-11-0x0000000000400000-0x0000000000424000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Nmtdeo.exe
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Nmtdeo.exe
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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.

flow	ioc
49	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4124 set thread context of 1880	4124	Nmtdeo.exe	100

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

pid	Process
1196	ipconfig.exe
2456	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4124	Nmtdeo.exe
4124	Nmtdeo.exe
1880	Nmtdeo.exe
1880	Nmtdeo.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4124	Nmtdeo.exe
Token: SeDebugPrivilege	1880	Nmtdeo.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4124 wrote to memory of 2252	4124	Nmtdeo.exe	85
PID 4124 wrote to memory of 2252	4124	Nmtdeo.exe	85
PID 4124 wrote to memory of 2252	4124	Nmtdeo.exe	85
PID 2252 wrote to memory of 1196	2252	cmd.exe	87
PID 2252 wrote to memory of 1196	2252	cmd.exe	87
PID 2252 wrote to memory of 1196	2252	cmd.exe	87
PID 4124 wrote to memory of 1492	4124	Nmtdeo.exe	95
PID 4124 wrote to memory of 1492	4124	Nmtdeo.exe	95
PID 4124 wrote to memory of 1492	4124	Nmtdeo.exe	95
PID 1492 wrote to memory of 2456	1492	cmd.exe	97
PID 1492 wrote to memory of 2456	1492	cmd.exe	97
PID 1492 wrote to memory of 2456	1492	cmd.exe	97
PID 4124 wrote to memory of 1724	4124	Nmtdeo.exe	99
PID 4124 wrote to memory of 1724	4124	Nmtdeo.exe	99
PID 4124 wrote to memory of 1724	4124	Nmtdeo.exe	99
PID 4124 wrote to memory of 1880	4124	Nmtdeo.exe	100
PID 4124 wrote to memory of 1880	4124	Nmtdeo.exe	100
PID 4124 wrote to memory of 1880	4124	Nmtdeo.exe	100
PID 4124 wrote to memory of 1880	4124	Nmtdeo.exe	100
PID 4124 wrote to memory of 1880	4124	Nmtdeo.exe	100
PID 4124 wrote to memory of 1880	4124	Nmtdeo.exe	100
PID 4124 wrote to memory of 1880	4124	Nmtdeo.exe	100
PID 4124 wrote to memory of 1880	4124	Nmtdeo.exe	100

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Nmtdeo.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4124
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ipconfig /release
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2252
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /release
    3⤵
    - Gathers network information
    PID:1196
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ipconfig /renew
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1492
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /renew
    3⤵
    - Gathers network information
    PID:2456
- C:\Users\Admin\AppData\Local\Temp\Nmtdeo.exe
  C:\Users\Admin\AppData\Local\Temp\Nmtdeo.exe
  2⤵
  PID:1724
- 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:1880

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/1880-11-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1880-22-0x00000000068F0000-0x00000000068FA000-memory.dmp

Filesize
40KB

Download
memory/1880-21-0x0000000006910000-0x0000000006AD2000-memory.dmp

Filesize
1.8MB

Download
memory/1880-20-0x00000000066F0000-0x0000000006740000-memory.dmp

Filesize
320KB

Download
memory/1880-19-0x00000000057B0000-0x00000000057C0000-memory.dmp

Filesize
64KB

Download
memory/1880-18-0x0000000074600000-0x0000000074DB0000-memory.dmp

Filesize
7.7MB

Download
memory/1880-17-0x00000000057B0000-0x00000000057C0000-memory.dmp

Filesize
64KB

Download
memory/1880-16-0x0000000074600000-0x0000000074DB0000-memory.dmp

Filesize
7.7MB

Download
memory/1880-15-0x0000000005480000-0x000000000551C000-memory.dmp

Filesize
624KB

Download
memory/4124-5-0x00000000050C0000-0x000000000510C000-memory.dmp

Filesize
304KB

Download
memory/4124-10-0x00000000051A0000-0x00000000051B0000-memory.dmp

Filesize
64KB

Download
memory/4124-9-0x0000000074600000-0x0000000074DB0000-memory.dmp

Filesize
7.7MB

Download
memory/4124-14-0x0000000074600000-0x0000000074DB0000-memory.dmp

Filesize
7.7MB

Download
memory/4124-8-0x0000000005910000-0x0000000005EB4000-memory.dmp

Filesize
5.6MB

Download
memory/4124-7-0x00000000052F0000-0x0000000005356000-memory.dmp

Filesize
408KB

Download
memory/4124-6-0x0000000005250000-0x00000000052E2000-memory.dmp

Filesize
584KB

Download
memory/4124-0-0x0000000000650000-0x000000000069C000-memory.dmp

Filesize
304KB

Download
memory/4124-4-0x0000000005080000-0x00000000050B6000-memory.dmp

Filesize
216KB

Download
memory/4124-3-0x00000000051A0000-0x00000000051B0000-memory.dmp

Filesize
64KB

Download
memory/4124-2-0x0000000005030000-0x0000000005078000-memory.dmp

Filesize
288KB

Download
memory/4124-1-0x0000000074600000-0x0000000074DB0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads