snakekeylogger | 4a3e7e5e655ad7c52be676611a813bbf1430006a3045f3b5c90bfc9cc2320b30

Analysis

max time kernel
125s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
27-06-2024 01:16

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General

Target

4a3e7e5e655ad7c52be676611a813bbf1430006a3045f3b5c90bfc9cc2320b30.exe
Size

213KB
MD5

3cad1815879b2ca1fe7f2c5ea0f93fc3
SHA1

a66382098a770467ebe22de0d577ca2cc195dd9a
SHA256

4a3e7e5e655ad7c52be676611a813bbf1430006a3045f3b5c90bfc9cc2320b30
SHA512

99fab19b82d6e3a1d072dc42e6ca28c9f70835ba1a26eb1fd668ef1aa2ca1bce283392fa994d98c2988568f4e5e3685ffdaecfe4e1340e3b734798f0fc51ec5c
SSDEEP

3072:lop0LHINQBVU4Wr1m9s+NNx6PQ8bSncr1cKffB+TQ9D+2fE6vrxo91mLEBnFisgV:ygINQ7UL89sSnmcKffEsrfx8odj

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
webmail.valleycountysar.org
Port:
465
Username:
[email protected]
Password:
DKw(r0%wpbd]

https://api.telegram.org/bot6423203356:AAHYCiyPKTABZ0i87OeKnARFW967YOfRPUE/sendMessage?chat_id=7009913093

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/2968-8-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger
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

resource	yara_rule
behavioral2/memory/2968-8-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.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

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

Processes:

4a3e7e5e655ad7c52be676611a813bbf1430006a3045f3b5c90bfc9cc2320b30.exe

description pid process target process

PID 3764 set thread context of 2968 3764 4a3e7e5e655ad7c52be676611a813bbf1430006a3045f3b5c90bfc9cc2320b30.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

4a3e7e5e655ad7c52be676611a813bbf1430006a3045f3b5c90bfc9cc2320b30.exeRegAsm.exe

pid process

3764 4a3e7e5e655ad7c52be676611a813bbf1430006a3045f3b5c90bfc9cc2320b30.exe
3764 4a3e7e5e655ad7c52be676611a813bbf1430006a3045f3b5c90bfc9cc2320b30.exe
2968 RegAsm.exe
2968 RegAsm.exe
2968 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

4a3e7e5e655ad7c52be676611a813bbf1430006a3045f3b5c90bfc9cc2320b30.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 3764 4a3e7e5e655ad7c52be676611a813bbf1430006a3045f3b5c90bfc9cc2320b30.exe
Token: SeDebugPrivilege 2968 RegAsm.exe

flow	ioc
6	checkip.dyndns.org

description	pid	process	target process
PID 3764 set thread context of 2968	3764	4a3e7e5e655ad7c52be676611a813bbf1430006a3045f3b5c90bfc9cc2320b30.exe	RegAsm.exe

pid	process
3764	4a3e7e5e655ad7c52be676611a813bbf1430006a3045f3b5c90bfc9cc2320b30.exe
3764	4a3e7e5e655ad7c52be676611a813bbf1430006a3045f3b5c90bfc9cc2320b30.exe
2968	RegAsm.exe
2968	RegAsm.exe
2968	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	3764	4a3e7e5e655ad7c52be676611a813bbf1430006a3045f3b5c90bfc9cc2320b30.exe
Token: SeDebugPrivilege	2968	RegAsm.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

4a3e7e5e655ad7c52be676611a813bbf1430006a3045f3b5c90bfc9cc2320b30.exe

description	pid	process	target process
PID 3764 wrote to memory of 1536	3764	4a3e7e5e655ad7c52be676611a813bbf1430006a3045f3b5c90bfc9cc2320b30.exe	RegAsm.exe
PID 3764 wrote to memory of 1536	3764	4a3e7e5e655ad7c52be676611a813bbf1430006a3045f3b5c90bfc9cc2320b30.exe	RegAsm.exe
PID 3764 wrote to memory of 1536	3764	4a3e7e5e655ad7c52be676611a813bbf1430006a3045f3b5c90bfc9cc2320b30.exe	RegAsm.exe
PID 3764 wrote to memory of 2968	3764	4a3e7e5e655ad7c52be676611a813bbf1430006a3045f3b5c90bfc9cc2320b30.exe	RegAsm.exe
PID 3764 wrote to memory of 2968	3764	4a3e7e5e655ad7c52be676611a813bbf1430006a3045f3b5c90bfc9cc2320b30.exe	RegAsm.exe
PID 3764 wrote to memory of 2968	3764	4a3e7e5e655ad7c52be676611a813bbf1430006a3045f3b5c90bfc9cc2320b30.exe	RegAsm.exe
PID 3764 wrote to memory of 2968	3764	4a3e7e5e655ad7c52be676611a813bbf1430006a3045f3b5c90bfc9cc2320b30.exe	RegAsm.exe
PID 3764 wrote to memory of 2968	3764	4a3e7e5e655ad7c52be676611a813bbf1430006a3045f3b5c90bfc9cc2320b30.exe	RegAsm.exe
PID 3764 wrote to memory of 2968	3764	4a3e7e5e655ad7c52be676611a813bbf1430006a3045f3b5c90bfc9cc2320b30.exe	RegAsm.exe
PID 3764 wrote to memory of 2968	3764	4a3e7e5e655ad7c52be676611a813bbf1430006a3045f3b5c90bfc9cc2320b30.exe	RegAsm.exe
PID 3764 wrote to memory of 2968	3764	4a3e7e5e655ad7c52be676611a813bbf1430006a3045f3b5c90bfc9cc2320b30.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description ioc process

Key opened \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\4a3e7e5e655ad7c52be676611a813bbf1430006a3045f3b5c90bfc9cc2320b30.exe
"C:\Users\Admin\AppData\Local\Temp\4a3e7e5e655ad7c52be676611a813bbf1430006a3045f3b5c90bfc9cc2320b30.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3764

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
PID:1536

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2968

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4192,i,14221647728265121051,6840906015709541562,262144 --variations-seed-version --mojo-platform-channel-handle=3964 /prefetch:8
1⤵
PID:4816

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/2968-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2968-16-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/2968-15-0x0000000006A90000-0x0000000006C52000-memory.dmp

Filesize
1.8MB

Download
memory/2968-14-0x0000000006870000-0x00000000068C0000-memory.dmp

Filesize
320KB

Download
memory/2968-11-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/2968-10-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/2968-9-0x0000000005640000-0x00000000056DC000-memory.dmp

Filesize
624KB

Download
memory/3764-4-0x0000000005090000-0x00000000050C6000-memory.dmp

Filesize
216KB

Download
memory/3764-7-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/3764-5-0x0000000005150000-0x000000000515A000-memory.dmp

Filesize
40KB

Download
memory/3764-6-0x0000000005140000-0x000000000514A000-memory.dmp

Filesize
40KB

Download
memory/3764-0-0x00000000751DE000-0x00000000751DF000-memory.dmp

Filesize
4KB

Download
memory/3764-13-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/3764-3-0x00000000051A0000-0x0000000005232000-memory.dmp

Filesize
584KB

Download
memory/3764-2-0x0000000005940000-0x0000000005EE4000-memory.dmp

Filesize
5.6MB

Download
memory/3764-1-0x0000000000690000-0x00000000006CC000-memory.dmp

Filesize
240KB

Download