snakekeylogger | a5395961ee5eeddf2c81583e2eb11dafe8f8ebcc350204e0c8344e4d3e1614e6

General

Target

CITI USD10987 PI.exe
Size

925KB
MD5

6dd5b074dc21fc159a5e98c448dab3e5
SHA1

9be431a3d0fb17e0d7b69c62d288a7b47804fd36
SHA256

a5395961ee5eeddf2c81583e2eb11dafe8f8ebcc350204e0c8344e4d3e1614e6
SHA512

bbd3ea1bbe5e44f04973389ca391eab78f456a673fee59bbeed8368462dbc5a819bd5c929f8e5103337e3beb82002aeca5bc80ff25d3741fbe46c05c74e909db
SSDEEP

12288:8IOZByuDs0aOFF9EcBeK4cwyLO/uVvrvhytVJJbngUJo37DV4ELPr0MecveyyOGp:aoeeK4PmtuJUw4np3HLcp

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6576397218:AAGKDzpigihdpxoThh04ULC6usDNBiyjVcE/sendMessage?chat_id=5086753017

Signatures

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

Snake Keylogger payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2144-13-0x0000000000400000-0x000000000047C000-memory.dmp	family_snakekeylogger
behavioral1/memory/2144-14-0x0000000000400000-0x000000000047C000-memory.dmp	family_snakekeylogger
behavioral1/memory/2144-17-0x0000000000400000-0x000000000047C000-memory.dmp	family_snakekeylogger
behavioral1/memory/2144-19-0x0000000000400000-0x000000000047C000-memory.dmp	family_snakekeylogger
behavioral1/memory/2144-22-0x0000000000400000-0x000000000047C000-memory.dmp	family_snakekeylogger
behavioral1/memory/2144-26-0x0000000004940000-0x0000000004980000-memory.dmp	family_snakekeylogger

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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

Processes:

CITI USD10987 PI.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CITI USD10987 PI.exe
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CITI USD10987 PI.exe
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CITI USD10987 PI.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

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

Processes:

CITI USD10987 PI.exe

description pid process target process

PID 2620 set thread context of 2144 2620 CITI USD10987 PI.exe CITI USD10987 PI.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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/Job
T1053

Processes:

schtasks.exe

pid process

2916 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

CITI USD10987 PI.exe

pid process

2144 CITI USD10987 PI.exe
2144 CITI USD10987 PI.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

CITI USD10987 PI.exe

description pid process

Token: SeDebugPrivilege 2144 CITI USD10987 PI.exe

flow	ioc
4	checkip.dyndns.org

description	pid	process	target process
PID 2620 set thread context of 2144	2620	CITI USD10987 PI.exe	CITI USD10987 PI.exe

pid	process
2916	schtasks.exe

pid	process
2144	CITI USD10987 PI.exe
2144	CITI USD10987 PI.exe

description	pid	process
Token: SeDebugPrivilege	2144	CITI USD10987 PI.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

CITI USD10987 PI.exe

description	pid	process	target process
PID 2620 wrote to memory of 2916	2620	CITI USD10987 PI.exe	schtasks.exe
PID 2620 wrote to memory of 2916	2620	CITI USD10987 PI.exe	schtasks.exe
PID 2620 wrote to memory of 2916	2620	CITI USD10987 PI.exe	schtasks.exe
PID 2620 wrote to memory of 2916	2620	CITI USD10987 PI.exe	schtasks.exe
PID 2620 wrote to memory of 2144	2620	CITI USD10987 PI.exe	CITI USD10987 PI.exe
PID 2620 wrote to memory of 2144	2620	CITI USD10987 PI.exe	CITI USD10987 PI.exe
PID 2620 wrote to memory of 2144	2620	CITI USD10987 PI.exe	CITI USD10987 PI.exe
PID 2620 wrote to memory of 2144	2620	CITI USD10987 PI.exe	CITI USD10987 PI.exe
PID 2620 wrote to memory of 2144	2620	CITI USD10987 PI.exe	CITI USD10987 PI.exe
PID 2620 wrote to memory of 2144	2620	CITI USD10987 PI.exe	CITI USD10987 PI.exe
PID 2620 wrote to memory of 2144	2620	CITI USD10987 PI.exe	CITI USD10987 PI.exe
PID 2620 wrote to memory of 2144	2620	CITI USD10987 PI.exe	CITI USD10987 PI.exe
PID 2620 wrote to memory of 2144	2620	CITI USD10987 PI.exe	CITI USD10987 PI.exe

outlook_office_path 1 IoCs

Processes:

CITI USD10987 PI.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CITI USD10987 PI.exe

outlook_win_path 1 IoCs

Processes:

CITI USD10987 PI.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CITI USD10987 PI.exe

C:\Users\Admin\AppData\Local\Temp\CITI USD10987 PI.exe
"C:\Users\Admin\AppData\Local\Temp\CITI USD10987 PI.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2620

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lCcCZGSzAO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEFFA.tmp"
2⤵
- Creates scheduled task(s)
PID:2916

C:\Users\Admin\AppData\Local\Temp\CITI USD10987 PI.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2144

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

System Information Discovery

1

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\Temp\tmpEFFA.tmp

Filesize
1KB

MD5
69891d36ac71dc20e999cddf0efbffc1

SHA1
31a48568047023dbe4e0f2a2b481978218006ebb

SHA256
c6038fd568c94248066c0eb88111c11755cfd7af302e7c61f1d2892bd811f7c9

SHA512
4f2cf603daee637d2807e857179158b7c8b618de8ae855038e2274ad84fdccc8ce6f3eb6c03e13e72cd37561b81115d1bcdb9fb2a47eebe2e71197959b08fc04

Download Submit
memory/2144-23-0x0000000073F00000-0x00000000745EE000-memory.dmp

Filesize
6.9MB

Download
memory/2144-22-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2144-13-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2144-14-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2144-27-0x00000000003F0000-0x00000000003FA000-memory.dmp

Filesize
40KB

Download
memory/2144-26-0x0000000004940000-0x0000000004980000-memory.dmp

Filesize
256KB

Download
memory/2144-25-0x0000000073F00000-0x00000000745EE000-memory.dmp

Filesize
6.9MB

Download
memory/2144-24-0x0000000004940000-0x0000000004980000-memory.dmp

Filesize
256KB

Download
memory/2144-11-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2144-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2144-19-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2144-28-0x00000000051B0000-0x0000000005216000-memory.dmp

Filesize
408KB

Download
memory/2144-12-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2144-17-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2620-20-0x0000000073F80000-0x000000007466E000-memory.dmp

Filesize
6.9MB

Download
memory/2620-3-0x0000000000750000-0x000000000075C000-memory.dmp

Filesize
48KB

Download
memory/2620-2-0x0000000004C80000-0x0000000004CC0000-memory.dmp

Filesize
256KB

Download
memory/2620-1-0x0000000073F80000-0x000000007466E000-memory.dmp

Filesize
6.9MB

Download
memory/2620-0-0x0000000000B60000-0x0000000000C4C000-memory.dmp

Filesize
944KB

Download
memory/2620-7-0x0000000004E00000-0x0000000004E7C000-memory.dmp

Filesize
496KB

Download
memory/2620-6-0x00000000055B0000-0x0000000005676000-memory.dmp

Filesize
792KB

Download
memory/2620-5-0x0000000004C80000-0x0000000004CC0000-memory.dmp

Filesize
256KB

Download
memory/2620-4-0x0000000073F80000-0x000000007466E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads