snakekeylogger | 041c5a311445f3041b528f16d36805cb3c60320c2b79c8c8f43aee32e46e48ab

General

Target

SALESINVOICE0989-98656890.exe
Size

326KB
MD5

a3f30742d129cec41cc7855cbd20403d
SHA1

110cbb3899289b0f480a6bc641af892afb2568e3
SHA256

041c5a311445f3041b528f16d36805cb3c60320c2b79c8c8f43aee32e46e48ab
SHA512

a7569a005efe96eeb5f707678492f8260944d60674b01cbabc377a23a38150d1b4a0a23c1aca4f1c31064fdafd45d6e7694bb3c9e3942e54f04b587a7dc03469
SSDEEP

6144:UnPdudwD/EVDiex5+9CbK7ARtOEhmz13Nr2aRzSPa+YwIAWILW7:UnPdLbej+Qe7DSc13NKaoY97

Score

10^/10

snakekeylogger collection keylogger persistence spyware stealer

Malware Config

Signatures

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

Snake Keylogger payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2304-11-0x0000000000400000-0x0000000000437000-memory.dmp	family_snakekeylogger
behavioral1/memory/2304-15-0x0000000000400000-0x0000000000437000-memory.dmp	family_snakekeylogger
behavioral1/memory/2304-16-0x0000000000400000-0x0000000000437000-memory.dmp	family_snakekeylogger
behavioral1/memory/2304-19-0x0000000000250000-0x0000000000274000-memory.dmp	family_snakekeylogger
behavioral1/memory/2304-20-0x0000000002370000-0x00000000023B0000-memory.dmp	family_snakekeylogger

Executes dropped EXE 2 IoCs

Processes:

hzjflmil.exehzjflmil.exe

pid process

2684 hzjflmil.exe
2304 hzjflmil.exe
Loads dropped DLL 2 IoCs

Processes:

SALESINVOICE0989-98656890.exehzjflmil.exe

pid process

2288 SALESINVOICE0989-98656890.exe
2684 hzjflmil.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

pid	process
2684	hzjflmil.exe
2304	hzjflmil.exe

pid	process
2288	SALESINVOICE0989-98656890.exe
2684	hzjflmil.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

hzjflmil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hzjflmil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hzjflmil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hzjflmil.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

hzjflmil.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Windows\CurrentVersion\Run\pluueaajff = "C:\\Users\\Admin\\AppData\\Roaming\\foktto\\xxhddmvvrbbwgp.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\hzjflmil.exe\" "	hzjflmil.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:

hzjflmil.exe

description pid process target process

PID 2684 set thread context of 2304 2684 hzjflmil.exe hzjflmil.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

hzjflmil.exe

pid process

2304 hzjflmil.exe
2304 hzjflmil.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

hzjflmil.exe

pid process

2684 hzjflmil.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

hzjflmil.exe

description pid process

Token: SeDebugPrivilege 2304 hzjflmil.exe

flow	ioc
4	checkip.dyndns.org

description	pid	process	target process
PID 2684 set thread context of 2304	2684	hzjflmil.exe	hzjflmil.exe

pid	process
2304	hzjflmil.exe
2304	hzjflmil.exe

pid	process
2684	hzjflmil.exe

description	pid	process
Token: SeDebugPrivilege	2304	hzjflmil.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

SALESINVOICE0989-98656890.exehzjflmil.exe

description	pid	process	target process
PID 2288 wrote to memory of 2684	2288	SALESINVOICE0989-98656890.exe	hzjflmil.exe
PID 2288 wrote to memory of 2684	2288	SALESINVOICE0989-98656890.exe	hzjflmil.exe
PID 2288 wrote to memory of 2684	2288	SALESINVOICE0989-98656890.exe	hzjflmil.exe
PID 2288 wrote to memory of 2684	2288	SALESINVOICE0989-98656890.exe	hzjflmil.exe
PID 2684 wrote to memory of 2304	2684	hzjflmil.exe	hzjflmil.exe
PID 2684 wrote to memory of 2304	2684	hzjflmil.exe	hzjflmil.exe
PID 2684 wrote to memory of 2304	2684	hzjflmil.exe	hzjflmil.exe
PID 2684 wrote to memory of 2304	2684	hzjflmil.exe	hzjflmil.exe
PID 2684 wrote to memory of 2304	2684	hzjflmil.exe	hzjflmil.exe

outlook_office_path 1 IoCs

Processes:

hzjflmil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hzjflmil.exe

outlook_win_path 1 IoCs

Processes:

hzjflmil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hzjflmil.exe

C:\Users\Admin\AppData\Local\Temp\SALESINVOICE0989-98656890.exe
"C:\Users\Admin\AppData\Local\Temp\SALESINVOICE0989-98656890.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2288

C:\Users\Admin\AppData\Local\Temp\hzjflmil.exe
"C:\Users\Admin\AppData\Local\Temp\hzjflmil.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2684

C:\Users\Admin\AppData\Local\Temp\hzjflmil.exe
"C:\Users\Admin\AppData\Local\Temp\hzjflmil.exe"
3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2304

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\hdixcfns.b

Filesize
223KB

MD5
f93d3fed09bc17061d9091faa5d64670

SHA1
31638e50ba3cd6fba2fea531b1758ede81c8ee94

SHA256
ce15106565518b3d2aa69c8df1bbfff59696f04331d3f15e11740450b484596a

SHA512
8863288fd04a86af01a18ee1ba95707981d74b397d685c986fe29c0cab97f6f480fc5c51f40af57a27cff1c88d5c0ab65d5a44b627e925c8c2519b5c3c26dc02

Download Submit
C:\Users\Admin\AppData\Local\Temp\hzjflmil.exe

Filesize
167KB

MD5
6b227882b2c28140a651f173b7d75455

SHA1
6b94c3c9df8e117ba34904bdbdb0c1151cb77196

SHA256
5ee27e21cc6f3a38c31ae0f0968040b7bd4edf4d51b556665bbd8c78910cbd47

SHA512
e81b4eea11b535759910ef7ee59111d0a85b93f50f91bfe74921abf3b3b8afdc5e0fe785f874f0768e41b78b17515e6cf57186f61bd8af54abe07ebdc852df45

Download Submit
C:\Users\Admin\AppData\Local\Temp\hzjflmil.exe

Filesize
167KB

MD5
6b227882b2c28140a651f173b7d75455

SHA1
6b94c3c9df8e117ba34904bdbdb0c1151cb77196

SHA256
5ee27e21cc6f3a38c31ae0f0968040b7bd4edf4d51b556665bbd8c78910cbd47

SHA512
e81b4eea11b535759910ef7ee59111d0a85b93f50f91bfe74921abf3b3b8afdc5e0fe785f874f0768e41b78b17515e6cf57186f61bd8af54abe07ebdc852df45

Download Submit
C:\Users\Admin\AppData\Local\Temp\hzjflmil.exe

Filesize
167KB

MD5
6b227882b2c28140a651f173b7d75455

SHA1
6b94c3c9df8e117ba34904bdbdb0c1151cb77196

SHA256
5ee27e21cc6f3a38c31ae0f0968040b7bd4edf4d51b556665bbd8c78910cbd47

SHA512
e81b4eea11b535759910ef7ee59111d0a85b93f50f91bfe74921abf3b3b8afdc5e0fe785f874f0768e41b78b17515e6cf57186f61bd8af54abe07ebdc852df45

Download Submit
\Users\Admin\AppData\Local\Temp\hzjflmil.exe

Filesize
167KB

MD5
6b227882b2c28140a651f173b7d75455

SHA1
6b94c3c9df8e117ba34904bdbdb0c1151cb77196

SHA256
5ee27e21cc6f3a38c31ae0f0968040b7bd4edf4d51b556665bbd8c78910cbd47

SHA512
e81b4eea11b535759910ef7ee59111d0a85b93f50f91bfe74921abf3b3b8afdc5e0fe785f874f0768e41b78b17515e6cf57186f61bd8af54abe07ebdc852df45

Download Submit
\Users\Admin\AppData\Local\Temp\hzjflmil.exe

Filesize
167KB

MD5
6b227882b2c28140a651f173b7d75455

SHA1
6b94c3c9df8e117ba34904bdbdb0c1151cb77196

SHA256
5ee27e21cc6f3a38c31ae0f0968040b7bd4edf4d51b556665bbd8c78910cbd47

SHA512
e81b4eea11b535759910ef7ee59111d0a85b93f50f91bfe74921abf3b3b8afdc5e0fe785f874f0768e41b78b17515e6cf57186f61bd8af54abe07ebdc852df45

Download Submit
memory/2304-17-0x0000000074100000-0x00000000747EE000-memory.dmp

Filesize
6.9MB

Download
memory/2304-15-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2304-16-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2304-11-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2304-18-0x0000000002370000-0x00000000023B0000-memory.dmp

Filesize
256KB

Download
memory/2304-19-0x0000000000250000-0x0000000000274000-memory.dmp

Filesize
144KB

Download
memory/2304-20-0x0000000002370000-0x00000000023B0000-memory.dmp

Filesize
256KB

Download
memory/2304-21-0x0000000002370000-0x00000000023B0000-memory.dmp

Filesize
256KB

Download
memory/2304-22-0x0000000074100000-0x00000000747EE000-memory.dmp

Filesize
6.9MB

Download
memory/2304-23-0x0000000002370000-0x00000000023B0000-memory.dmp

Filesize
256KB

Download
memory/2304-24-0x0000000002370000-0x00000000023B0000-memory.dmp

Filesize
256KB

Download
memory/2684-6-0x0000000000080000-0x0000000000082000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads