snakekeylogger | 164038eb5d5da7528a63666473b56bdc4550e624feacc22d33ccac2857b3a1a6

General

Target

IMG_80137.doc
Size

697KB
MD5

2b7551d6acbc85a01665c85fe7a36f74
SHA1

d3494c2ac5ef725385a79b86efd50d8b5026162a
SHA256

164038eb5d5da7528a63666473b56bdc4550e624feacc22d33ccac2857b3a1a6
SHA512

a7c1127b00f8dad23793d88af4e841c58098987c2cdefe529581333ecd7b14faac90b5fafbb13b4958b4c7e29908f6d1b5ee68de35d085323b89c3e39615f069

Score

10^/10

snakekeylogger keylogger spyware stealer

Malware Config

Signatures

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

Snake Keylogger Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/992-23-0x0000000000400000-0x0000000000468000-memory.dmp	family_snakekeylogger
behavioral1/memory/992-24-0x00000000004638FE-mapping.dmp	family_snakekeylogger
behavioral1/memory/992-28-0x0000000000400000-0x0000000000468000-memory.dmp	family_snakekeylogger

Blocklisted process makes network request 2 IoCs

Processes:

EQNEDT32.EXE

flow pid process

7 768 EQNEDT32.EXE
9 768 EQNEDT32.EXE
Executes dropped EXE 2 IoCs

Processes:

69577.exeInstallUtil.exe

pid process

972 69577.exe
992 InstallUtil.exe
Loads dropped DLL 2 IoCs

Processes:

EQNEDT32.EXE69577.exe

pid process

768 EQNEDT32.EXE
972 69577.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

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

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

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

10 checkip.dyndns.org
13 freegeoip.app
14 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

69577.exe

description pid process target process

PID 972 set thread context of 992 972 69577.exe InstallUtil.exe
Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

description ioc process

File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE
Office loads VBA resources, possible macro or embedded object present
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

768 EQNEDT32.EXE

flow	pid	process
7	768	EQNEDT32.EXE
9	768	EQNEDT32.EXE

pid	process
768	EQNEDT32.EXE
972	69577.exe

flow	ioc
10	checkip.dyndns.org
13	freegeoip.app
14	freegeoip.app

description	pid	process	target process
PID 972 set thread context of 992	972	69577.exe	InstallUtil.exe

description	ioc	process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

pid	process
768	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1668 WINWORD.EXE

pid	process
1668	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

69577.exeInstallUtil.exe

pid	process
972	69577.exe
972	69577.exe
992	InstallUtil.exe
992	InstallUtil.exe
992	InstallUtil.exe
992	InstallUtil.exe
992	InstallUtil.exe
992	InstallUtil.exe
992	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

69577.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 972 69577.exe
Token: SeDebugPrivilege 992 InstallUtil.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

1668 WINWORD.EXE
1668 WINWORD.EXE

description	pid	process
Token: SeDebugPrivilege	972	69577.exe
Token: SeDebugPrivilege	992	InstallUtil.exe

pid	process
1668	WINWORD.EXE
1668	WINWORD.EXE

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

WINWORD.EXEEQNEDT32.EXE69577.exe

description	pid	process	target process
PID 1668 wrote to memory of 1376	1668	WINWORD.EXE	splwow64.exe
PID 1668 wrote to memory of 1376	1668	WINWORD.EXE	splwow64.exe
PID 1668 wrote to memory of 1376	1668	WINWORD.EXE	splwow64.exe
PID 1668 wrote to memory of 1376	1668	WINWORD.EXE	splwow64.exe
PID 768 wrote to memory of 972	768	EQNEDT32.EXE	69577.exe
PID 768 wrote to memory of 972	768	EQNEDT32.EXE	69577.exe
PID 768 wrote to memory of 972	768	EQNEDT32.EXE	69577.exe
PID 768 wrote to memory of 972	768	EQNEDT32.EXE	69577.exe
PID 972 wrote to memory of 992	972	69577.exe	InstallUtil.exe
PID 972 wrote to memory of 992	972	69577.exe	InstallUtil.exe
PID 972 wrote to memory of 992	972	69577.exe	InstallUtil.exe
PID 972 wrote to memory of 992	972	69577.exe	InstallUtil.exe
PID 972 wrote to memory of 992	972	69577.exe	InstallUtil.exe
PID 972 wrote to memory of 992	972	69577.exe	InstallUtil.exe
PID 972 wrote to memory of 992	972	69577.exe	InstallUtil.exe
PID 972 wrote to memory of 992	972	69577.exe	InstallUtil.exe
PID 972 wrote to memory of 992	972	69577.exe	InstallUtil.exe
PID 972 wrote to memory of 992	972	69577.exe	InstallUtil.exe
PID 972 wrote to memory of 992	972	69577.exe	InstallUtil.exe
PID 972 wrote to memory of 992	972	69577.exe	InstallUtil.exe

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\IMG_80137.doc"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1668

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1376

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:768

C:\Users\Public\69577.exe
"C:\Users\Public\69577.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:972

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:992

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

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\L0IR0PK6.txt
MD5
f9738204f9840702b39e21b582894f2a

SHA1
19eeb146d61f868d4414701c78cbac8645b5e6fc

SHA256
11daea291311e7601d59043881c455e2e7c9d1be9e6e3356426c6629414ae0e7

SHA512
3875229818bed798f6a5f616434cdbc1a9f528a70993e47279706b411574a8e56b4ab73b0b8c05f8757219e1f6c70c8b3a84ba1ff1d4860fb9665c348f053e78

Download Submit
C:\Users\Public\69577.exe
MD5
581632a12c1a592209d0601ed1636e81

SHA1
97edd171131eb1a3ae9e63aa18b7596bf7ab9d44

SHA256
bc5587fc7b0ae1762cf3a8d5437608ccb908c8eaaeb219f1abb7ee4cad57d1ba

SHA512
d768bcc9feb675f9defb63be246b21b685add5bfe57d2c9dc13da265ec0fa268cf6a84b07aa8745b57fdf3b0a73b8aad00f221776ed8ebd5e853a7b736cf8230

Download Submit
C:\Users\Public\69577.exe
MD5
581632a12c1a592209d0601ed1636e81

SHA1
97edd171131eb1a3ae9e63aa18b7596bf7ab9d44

SHA256
bc5587fc7b0ae1762cf3a8d5437608ccb908c8eaaeb219f1abb7ee4cad57d1ba

SHA512
d768bcc9feb675f9defb63be246b21b685add5bfe57d2c9dc13da265ec0fa268cf6a84b07aa8745b57fdf3b0a73b8aad00f221776ed8ebd5e853a7b736cf8230

Download Submit
\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
\Users\Public\69577.exe
MD5
581632a12c1a592209d0601ed1636e81

SHA1
97edd171131eb1a3ae9e63aa18b7596bf7ab9d44

SHA256
bc5587fc7b0ae1762cf3a8d5437608ccb908c8eaaeb219f1abb7ee4cad57d1ba

SHA512
d768bcc9feb675f9defb63be246b21b685add5bfe57d2c9dc13da265ec0fa268cf6a84b07aa8745b57fdf3b0a73b8aad00f221776ed8ebd5e853a7b736cf8230

Download Submit
memory/768-7-0x0000000074B31000-0x0000000074B33000-memory.dmp

Filesize
8KB

Download
memory/972-21-0x0000000000BD0000-0x0000000000BD1000-memory.dmp

Filesize
4KB

Download
memory/972-18-0x0000000000E40000-0x0000000000E41000-memory.dmp

Filesize
4KB

Download
memory/972-10-0x0000000000000000-mapping.dmp

Download
memory/972-13-0x000000006AD10000-0x000000006B3FE000-memory.dmp

Filesize
6.9MB

Download
memory/972-14-0x0000000000ED0000-0x0000000000ED1000-memory.dmp

Filesize
4KB

Download
memory/972-16-0x0000000000480000-0x000000000049E000-memory.dmp

Filesize
120KB

Download
memory/972-17-0x0000000000930000-0x0000000000931000-memory.dmp

Filesize
4KB

Download
memory/972-20-0x0000000000E41000-0x0000000000E42000-memory.dmp

Filesize
4KB

Download
memory/972-19-0x0000000000A10000-0x0000000000A1B000-memory.dmp

Filesize
44KB

Download
memory/992-28-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/992-23-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/992-24-0x00000000004638FE-mapping.dmp

Download
memory/992-27-0x000000006AD10000-0x000000006B3FE000-memory.dmp

Filesize
6.9MB

Download
memory/992-30-0x0000000000F20000-0x0000000000F21000-memory.dmp

Filesize
4KB

Download
memory/1124-8-0x000007FEF7080000-0x000007FEF72FA000-memory.dmp

Filesize
2.5MB

Download
memory/1376-6-0x000007FEFB6F1000-0x000007FEFB6F3000-memory.dmp

Filesize
8KB

Download
memory/1376-5-0x0000000000000000-mapping.dmp

Download
memory/1668-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1668-2-0x0000000072301000-0x0000000072304000-memory.dmp

Filesize
12KB

Download
memory/1668-3-0x000000006FD81000-0x000000006FD83000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads