snakekeylogger | dc0a3e25871596a368e26566d77da6de8c0a4edb43750fe617bb5036758f0ae7

General

Target

ATTACHMENTS.xlsx
Size

713KB
MD5

c24c99e3c4a213b7356d63e5646d4457
SHA1

7edbbb43143714139acdc66057b4fa884c8fdb07
SHA256

dc0a3e25871596a368e26566d77da6de8c0a4edb43750fe617bb5036758f0ae7
SHA512

e220612c7d9701c9397d8d69c86ed492e11f3d2b7b43169a59245bd38a92d25c779d71f872d0e7abe2906e6df69cc8629c2a8447d3534a89afe6a65b0d1a1624

Score

10^/10

snakekeylogger keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
[email protected]
Password:
)||LHNUQ5wgcszg

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger
Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

4 1012 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

ABM.exeABM.exe

pid process

1056 ABM.exe
1532 ABM.exe
Loads dropped DLL 1 IoCs

Processes:

EQNEDT32.EXE

pid process

1012 EQNEDT32.EXE
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
T1081
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
T1081
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
T1081
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

7 checkip.dyndns.org
10 freegeoip.app
11 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

ABM.exe

description pid process target process

PID 1056 set thread context of 1532 1056 ABM.exe ABM.exe
Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE
Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
exploit

Exploitation for Client Execution
T1203

Processes:

EQNEDT32.EXE

pid process

1012 EQNEDT32.EXE

flow	pid	process
4	1012	EQNEDT32.EXE

pid	process
1056	ABM.exe
1532	ABM.exe

pid	process
1012	EQNEDT32.EXE

flow	ioc
7	checkip.dyndns.org
10	freegeoip.app
11	freegeoip.app

description	pid	process	target process
PID 1056 set thread context of 1532	1056	ABM.exe	ABM.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

pid	process
1012	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1640 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

ABM.exe

pid process

1532 ABM.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

ABM.exe

description pid process

Token: SeDebugPrivilege 1532 ABM.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

EXCEL.EXEABM.exe

pid process

1640 EXCEL.EXE
1640 EXCEL.EXE
1640 EXCEL.EXE
1532 ABM.exe

pid	process
1640	EXCEL.EXE

pid	process
1532	ABM.exe

description	pid	process
Token: SeDebugPrivilege	1532	ABM.exe

pid	process
1640	EXCEL.EXE
1640	EXCEL.EXE
1640	EXCEL.EXE
1532	ABM.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

EQNEDT32.EXEEXCEL.EXEABM.exe

description	pid	process	target process
PID 1012 wrote to memory of 1056	1012	EQNEDT32.EXE	ABM.exe
PID 1012 wrote to memory of 1056	1012	EQNEDT32.EXE	ABM.exe
PID 1012 wrote to memory of 1056	1012	EQNEDT32.EXE	ABM.exe
PID 1012 wrote to memory of 1056	1012	EQNEDT32.EXE	ABM.exe
PID 1640 wrote to memory of 568	1640	EXCEL.EXE	splwow64.exe
PID 1640 wrote to memory of 568	1640	EXCEL.EXE	splwow64.exe
PID 1640 wrote to memory of 568	1640	EXCEL.EXE	splwow64.exe
PID 1640 wrote to memory of 568	1640	EXCEL.EXE	splwow64.exe
PID 1056 wrote to memory of 1532	1056	ABM.exe	ABM.exe
PID 1056 wrote to memory of 1532	1056	ABM.exe	ABM.exe
PID 1056 wrote to memory of 1532	1056	ABM.exe	ABM.exe
PID 1056 wrote to memory of 1532	1056	ABM.exe	ABM.exe
PID 1056 wrote to memory of 1532	1056	ABM.exe	ABM.exe
PID 1056 wrote to memory of 1532	1056	ABM.exe	ABM.exe
PID 1056 wrote to memory of 1532	1056	ABM.exe	ABM.exe
PID 1056 wrote to memory of 1532	1056	ABM.exe	ABM.exe
PID 1056 wrote to memory of 1532	1056	ABM.exe	ABM.exe

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\ATTACHMENTS.xlsx
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1640

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:568

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:1012

C:\Users\Admin\AppData\Roaming\ABM.exe
"C:\Users\Admin\AppData\Roaming\ABM.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1056

C:\Users\Admin\AppData\Roaming\ABM.exe
"{path}"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1532

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Exploitation for Client Execution

1

T1203

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\ABM.exe
MD5
861d4c30488d52de306745a26c1632b5

SHA1
3556239b01334c0075772f3a30d86c15a9ba6b99

SHA256
873297f71853c2a64de00af2cd2073178b4e1261d3f0cbefd6648bea21d7fbd3

SHA512
e6d8264e5305989ed48a5600f1e9cd2a1ffe230626a69b07bbaff8003485e3f867b2ceeabcf435201c517d9ea9b4cd60959036570257c4e4d9acb3e4a69cbe80

Download Submit
C:\Users\Admin\AppData\Roaming\ABM.exe
MD5
861d4c30488d52de306745a26c1632b5

SHA1
3556239b01334c0075772f3a30d86c15a9ba6b99

SHA256
873297f71853c2a64de00af2cd2073178b4e1261d3f0cbefd6648bea21d7fbd3

SHA512
e6d8264e5305989ed48a5600f1e9cd2a1ffe230626a69b07bbaff8003485e3f867b2ceeabcf435201c517d9ea9b4cd60959036570257c4e4d9acb3e4a69cbe80

Download Submit
C:\Users\Admin\AppData\Roaming\ABM.exe
MD5
861d4c30488d52de306745a26c1632b5

SHA1
3556239b01334c0075772f3a30d86c15a9ba6b99

SHA256
873297f71853c2a64de00af2cd2073178b4e1261d3f0cbefd6648bea21d7fbd3

SHA512
e6d8264e5305989ed48a5600f1e9cd2a1ffe230626a69b07bbaff8003485e3f867b2ceeabcf435201c517d9ea9b4cd60959036570257c4e4d9acb3e4a69cbe80

Download Submit
\Users\Admin\AppData\Roaming\ABM.exe
MD5
861d4c30488d52de306745a26c1632b5

SHA1
3556239b01334c0075772f3a30d86c15a9ba6b99

SHA256
873297f71853c2a64de00af2cd2073178b4e1261d3f0cbefd6648bea21d7fbd3

SHA512
e6d8264e5305989ed48a5600f1e9cd2a1ffe230626a69b07bbaff8003485e3f867b2ceeabcf435201c517d9ea9b4cd60959036570257c4e4d9acb3e4a69cbe80

Download Submit
memory/568-68-0x0000000000000000-mapping.dmp

Download
memory/568-70-0x000007FEFB881000-0x000007FEFB883000-memory.dmp

Filesize
8KB

Download
memory/1012-63-0x0000000075631000-0x0000000075633000-memory.dmp

Filesize
8KB

Download
memory/1056-65-0x0000000000000000-mapping.dmp

Download
memory/1056-71-0x0000000000560000-0x0000000000561000-memory.dmp

Filesize
4KB

Download
memory/1056-72-0x0000000000561000-0x0000000000562000-memory.dmp

Filesize
4KB

Download
memory/1532-73-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/1532-74-0x000000000044320E-mapping.dmp

Download
memory/1532-77-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1640-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1640-60-0x000000002F441000-0x000000002F444000-memory.dmp

Filesize
12KB

Download
memory/1640-61-0x0000000071081000-0x0000000071083000-memory.dmp

Filesize
8KB

Download
memory/1640-78-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

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