snakekeylogger | f1aaa22dbbd01e23709ea1409d97fe379597ee4eb696878ba7e4630bcae426d2

General

Target

IMG_53771.doc
Size

723KB
MD5

94b325f2056c7033a2dcbdab4a42e334
SHA1

cb03edf5456b64c3ba8d07f13090a2e8a57ec0b3
SHA256

f1aaa22dbbd01e23709ea1409d97fe379597ee4eb696878ba7e4630bcae426d2
SHA512

6c14d7d16579627b448b37b60ddf1893fcb1f16b7dc1a707b018b3e0fd70a89dbb199c313757916c0e756ab4842ff8cd0736b123c2699b373bc1484d964298d3

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/940-23-0x0000000000400000-0x0000000000468000-memory.dmp	family_snakekeylogger
behavioral1/memory/940-24-0x000000000046370E-mapping.dmp	family_snakekeylogger
behavioral1/memory/940-28-0x0000000000400000-0x0000000000468000-memory.dmp	family_snakekeylogger

Blocklisted process makes network request 2 IoCs

Processes:

EQNEDT32.EXE

flow pid process

6 1336 EQNEDT32.EXE
8 1336 EQNEDT32.EXE
Executes dropped EXE 2 IoCs

Processes:

69577.exeInstallUtil.exe

pid process

1264 69577.exe
940 InstallUtil.exe
Loads dropped DLL 2 IoCs

Processes:

EQNEDT32.EXE69577.exe

pid process

1336 EQNEDT32.EXE
1264 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

13 freegeoip.app
9 checkip.dyndns.org
12 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

69577.exe

description pid process target process

PID 1264 set thread context of 940 1264 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

1336 EQNEDT32.EXE

flow	pid	process
6	1336	EQNEDT32.EXE
8	1336	EQNEDT32.EXE

pid	process
1336	EQNEDT32.EXE
1264	69577.exe

flow	ioc
13	freegeoip.app
9	checkip.dyndns.org
12	freegeoip.app

description	pid	process	target process
PID 1264 set thread context of 940	1264	69577.exe	InstallUtil.exe

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

pid	process
1336	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
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
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	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
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar	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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1036 WINWORD.EXE

pid	process
1036	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

69577.exeInstallUtil.exe

pid	process
1264	69577.exe
1264	69577.exe
940	InstallUtil.exe
940	InstallUtil.exe
940	InstallUtil.exe
940	InstallUtil.exe
940	InstallUtil.exe
940	InstallUtil.exe
940	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

69577.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 1264 69577.exe
Token: SeDebugPrivilege 940 InstallUtil.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

1036 WINWORD.EXE
1036 WINWORD.EXE

description	pid	process
Token: SeDebugPrivilege	1264	69577.exe
Token: SeDebugPrivilege	940	InstallUtil.exe

pid	process
1036	WINWORD.EXE
1036	WINWORD.EXE

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

WINWORD.EXEEQNEDT32.EXE69577.exe

description	pid	process	target process
PID 1036 wrote to memory of 1980	1036	WINWORD.EXE	splwow64.exe
PID 1036 wrote to memory of 1980	1036	WINWORD.EXE	splwow64.exe
PID 1036 wrote to memory of 1980	1036	WINWORD.EXE	splwow64.exe
PID 1036 wrote to memory of 1980	1036	WINWORD.EXE	splwow64.exe
PID 1336 wrote to memory of 1264	1336	EQNEDT32.EXE	69577.exe
PID 1336 wrote to memory of 1264	1336	EQNEDT32.EXE	69577.exe
PID 1336 wrote to memory of 1264	1336	EQNEDT32.EXE	69577.exe
PID 1336 wrote to memory of 1264	1336	EQNEDT32.EXE	69577.exe
PID 1264 wrote to memory of 940	1264	69577.exe	InstallUtil.exe
PID 1264 wrote to memory of 940	1264	69577.exe	InstallUtil.exe
PID 1264 wrote to memory of 940	1264	69577.exe	InstallUtil.exe
PID 1264 wrote to memory of 940	1264	69577.exe	InstallUtil.exe
PID 1264 wrote to memory of 940	1264	69577.exe	InstallUtil.exe
PID 1264 wrote to memory of 940	1264	69577.exe	InstallUtil.exe
PID 1264 wrote to memory of 940	1264	69577.exe	InstallUtil.exe
PID 1264 wrote to memory of 940	1264	69577.exe	InstallUtil.exe
PID 1264 wrote to memory of 940	1264	69577.exe	InstallUtil.exe
PID 1264 wrote to memory of 940	1264	69577.exe	InstallUtil.exe
PID 1264 wrote to memory of 940	1264	69577.exe	InstallUtil.exe
PID 1264 wrote to memory of 940	1264	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_53771.doc"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1036

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1980

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:1336

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:1264

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:940

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\LEQBXIOT.txt
MD5
cfec46287844bba2060fdd207315b9e6

SHA1
c7ec153ed75d2258f44362037c84ba74c8c182dd

SHA256
5f3357984789fe6998dec4ef17c20683de00f9b06ab15e9192f47433b836aad0

SHA512
e487a29d871e55c3a1d3aac7476bac1caa644bfaf0d4631ef4bd8c536eaf2e45ab6ffb3d2a5fabb21b59927a0e2d20d227d0ed5302bad80fb3d93e79798f30ad

Download Submit
C:\Users\Public\69577.exe
MD5
86b54654ac95dc27eb76c8dce196d3b8

SHA1
d3f800c5cd196e72365de73c3b0f3b76d0540aef

SHA256
2109e18f96cf5f627351d52a48eecc483b67e02fd3f1a0e58088f615afc3737f

SHA512
a17e47307b1fe307138ea0cdb5d084d53b2cd41b08d602fe2a740ea1b77f66624d92ca46fe72fb494a8835caa4a45219b196a434f095c7372732e0821f4a2006

Download Submit
C:\Users\Public\69577.exe
MD5
86b54654ac95dc27eb76c8dce196d3b8

SHA1
d3f800c5cd196e72365de73c3b0f3b76d0540aef

SHA256
2109e18f96cf5f627351d52a48eecc483b67e02fd3f1a0e58088f615afc3737f

SHA512
a17e47307b1fe307138ea0cdb5d084d53b2cd41b08d602fe2a740ea1b77f66624d92ca46fe72fb494a8835caa4a45219b196a434f095c7372732e0821f4a2006

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

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
\Users\Public\69577.exe
MD5
86b54654ac95dc27eb76c8dce196d3b8

SHA1
d3f800c5cd196e72365de73c3b0f3b76d0540aef

SHA256
2109e18f96cf5f627351d52a48eecc483b67e02fd3f1a0e58088f615afc3737f

SHA512
a17e47307b1fe307138ea0cdb5d084d53b2cd41b08d602fe2a740ea1b77f66624d92ca46fe72fb494a8835caa4a45219b196a434f095c7372732e0821f4a2006

Download Submit
memory/940-23-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/940-30-0x0000000004B30000-0x0000000004B31000-memory.dmp

Filesize
4KB

Download
memory/940-28-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/940-27-0x000000006B790000-0x000000006BE7E000-memory.dmp

Filesize
6.9MB

Download
memory/940-24-0x000000000046370E-mapping.dmp

Download
memory/1036-3-0x0000000070751000-0x0000000070753000-memory.dmp

Filesize
8KB

Download
memory/1036-2-0x0000000072CD1000-0x0000000072CD4000-memory.dmp

Filesize
12KB

Download
memory/1036-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1264-14-0x0000000000C60000-0x0000000000C61000-memory.dmp

Filesize
4KB

Download
memory/1264-19-0x0000000000690000-0x000000000069B000-memory.dmp

Filesize
44KB

Download
memory/1264-20-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/1264-22-0x00000000049C1000-0x00000000049C2000-memory.dmp

Filesize
4KB

Download
memory/1264-18-0x00000000049C0000-0x00000000049C1000-memory.dmp

Filesize
4KB

Download
memory/1264-17-0x00000000004C0000-0x00000000004C1000-memory.dmp

Filesize
4KB

Download
memory/1264-16-0x00000000004A0000-0x00000000004BE000-memory.dmp

Filesize
120KB

Download
memory/1264-13-0x000000006B790000-0x000000006BE7E000-memory.dmp

Filesize
6.9MB

Download
memory/1264-10-0x0000000000000000-mapping.dmp

Download
memory/1336-7-0x00000000760F1000-0x00000000760F3000-memory.dmp

Filesize
8KB

Download
memory/1520-8-0x000007FEF7FE0000-0x000007FEF825A000-memory.dmp

Filesize
2.5MB

Download
memory/1980-6-0x000007FEFC1D1000-0x000007FEFC1D3000-memory.dmp

Filesize
8KB

Download
memory/1980-5-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads