snakekeylogger | e248994d1154ecc091a72040543631f6faf42e980b524193b6ea207262a374a7

General

Target

e248994d1154ecc091a72040543631f6faf42e980b524193b6ea207262a374a7.exe
Size

595KB
MD5

5314dc731381de014b294374b0eb7666
SHA1

9e3577f1495fdbb76115231a8a6680db0bed3632
SHA256

e248994d1154ecc091a72040543631f6faf42e980b524193b6ea207262a374a7
SHA512

0eb21211a73870d1d9681cd236bcb6edfe5e2049477fc4773c8f7e3f9868352dac55bd95df8b3547bdad060ae2ee05b8e8a7280b904f273deff0c2881b431f44
SSDEEP

12288:oYV6MorX7qzuC3QHO9FQVHPF51jgc7nbUwhIZLBZE:HBXu9HGaVH7nbUwGfE

Score

10^/10

snakekeylogger collection discovery keylogger stealer upx

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: ftp
Host:
ftp://ftp.hogarsancamilo.org/
Port:
21
Username:
[email protected]
Password:
eg0wtRsF5HKA

Signatures

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

Snake Keylogger payload 3 IoCs

resource	yara_rule
behavioral1/memory/2948-26-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2948-30-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2948-28-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\brontothere.vbs	brontothere.exe

Executes dropped EXE 1 IoCs

pid	Process
1860	brontothere.exe

Loads dropped DLL 1 IoCs

pid	Process
1820	e248994d1154ecc091a72040543631f6faf42e980b524193b6ea207262a374a7.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	checkip.dyndns.org
8	reallyfreegeoip.org
9	reallyfreegeoip.org

AutoIT Executable 3 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/1820-15-0x0000000000A30000-0x0000000000B87000-memory.dmp	autoit_exe
behavioral1/memory/1860-24-0x0000000000980000-0x0000000000D80000-memory.dmp	autoit_exe
behavioral1/memory/1860-32-0x0000000000820000-0x0000000000977000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1860 set thread context of 2948	1860	brontothere.exe	30

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1820-0-0x0000000000A30000-0x0000000000B87000-memory.dmp	upx
behavioral1/files/0x000700000001756b-9.dat	upx
behavioral1/memory/1820-12-0x0000000002A10000-0x0000000002B67000-memory.dmp	upx
behavioral1/memory/1820-15-0x0000000000A30000-0x0000000000B87000-memory.dmp	upx
behavioral1/memory/1860-32-0x0000000000820000-0x0000000000977000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 3 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	e248994d1154ecc091a72040543631f6faf42e980b524193b6ea207262a374a7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	brontothere.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2948	RegSvcs.exe
2948	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1860	brontothere.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2948	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1820	e248994d1154ecc091a72040543631f6faf42e980b524193b6ea207262a374a7.exe
1820	e248994d1154ecc091a72040543631f6faf42e980b524193b6ea207262a374a7.exe
1860	brontothere.exe
1860	brontothere.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1820	e248994d1154ecc091a72040543631f6faf42e980b524193b6ea207262a374a7.exe
1820	e248994d1154ecc091a72040543631f6faf42e980b524193b6ea207262a374a7.exe
1860	brontothere.exe
1860	brontothere.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 1860	1820	e248994d1154ecc091a72040543631f6faf42e980b524193b6ea207262a374a7.exe	29
PID 1820 wrote to memory of 1860	1820	e248994d1154ecc091a72040543631f6faf42e980b524193b6ea207262a374a7.exe	29
PID 1820 wrote to memory of 1860	1820	e248994d1154ecc091a72040543631f6faf42e980b524193b6ea207262a374a7.exe	29
PID 1820 wrote to memory of 1860	1820	e248994d1154ecc091a72040543631f6faf42e980b524193b6ea207262a374a7.exe	29
PID 1860 wrote to memory of 2948	1860	brontothere.exe	30
PID 1860 wrote to memory of 2948	1860	brontothere.exe	30
PID 1860 wrote to memory of 2948	1860	brontothere.exe	30
PID 1860 wrote to memory of 2948	1860	brontothere.exe	30
PID 1860 wrote to memory of 2948	1860	brontothere.exe	30
PID 1860 wrote to memory of 2948	1860	brontothere.exe	30
PID 1860 wrote to memory of 2948	1860	brontothere.exe	30
PID 1860 wrote to memory of 2948	1860	brontothere.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\e248994d1154ecc091a72040543631f6faf42e980b524193b6ea207262a374a7.exe
"C:\Users\Admin\AppData\Local\Temp\e248994d1154ecc091a72040543631f6faf42e980b524193b6ea207262a374a7.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Users\Admin\AppData\Local\Milburr\brontothere.exe
  "C:\Users\Admin\AppData\Local\Temp\e248994d1154ecc091a72040543631f6faf42e980b524193b6ea207262a374a7.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:1860
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\e248994d1154ecc091a72040543631f6faf42e980b524193b6ea207262a374a7.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:2948

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nonplacental

Filesize
128KB

MD5
cdd378f43140ddd4b4487ee7459d98d7

SHA1
8eef98a4c9de80e461125304d25f62d7cf27b777

SHA256
a5d1aa75fd07bfec093ba72cec8be5a1f5537774a3bcc96d06426f56b5554efe

SHA512
9a18ee8bc2c6e07f72edeb236c9ec57812f63d4131b8841871627c7855a91fdc2a99e475a4bb663ca9057771c77efc914ba4db32afc2cf13f38f0bbb0f979d56

Download Submit
\Users\Admin\AppData\Local\Milburr\brontothere.exe

Filesize
595KB

MD5
5314dc731381de014b294374b0eb7666

SHA1
9e3577f1495fdbb76115231a8a6680db0bed3632

SHA256
e248994d1154ecc091a72040543631f6faf42e980b524193b6ea207262a374a7

SHA512
0eb21211a73870d1d9681cd236bcb6edfe5e2049477fc4773c8f7e3f9868352dac55bd95df8b3547bdad060ae2ee05b8e8a7280b904f273deff0c2881b431f44

Download Submit
memory/1820-0-0x0000000000A30000-0x0000000000B87000-memory.dmp

Filesize
1.3MB

Download
memory/1820-7-0x0000000000BF0000-0x0000000000FF0000-memory.dmp

Filesize
4.0MB

Download
memory/1820-12-0x0000000002A10000-0x0000000002B67000-memory.dmp

Filesize
1.3MB

Download
memory/1820-15-0x0000000000A30000-0x0000000000B87000-memory.dmp

Filesize
1.3MB

Download
memory/1860-24-0x0000000000980000-0x0000000000D80000-memory.dmp

Filesize
4.0MB

Download
memory/1860-32-0x0000000000820000-0x0000000000977000-memory.dmp

Filesize
1.3MB

Download
memory/2948-26-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2948-30-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2948-33-0x00000000748BE000-0x00000000748BF000-memory.dmp

Filesize
4KB

Download
memory/2948-28-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2948-34-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download
memory/2948-35-0x00000000748BE000-0x00000000748BF000-memory.dmp

Filesize
4KB

Download
memory/2948-36-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download

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