snakekeylogger | ece18c6e4b98ce3ed6321e2f59159b8401f6797347c7f947f19db53474b51eff

Analysis

max time kernel
143s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-09-2024 01:54

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General

Target

ece18c6e4b98ce3ed6321e2f59159b8401f6797347c7f947f19db53474b51eff.vbe
Size

13KB
MD5

a6af6f6ddf4ddf8b2b7b1f2634383835
SHA1

336a5775a5d073c7f84c3102d4a235354203a5cf
SHA256

ece18c6e4b98ce3ed6321e2f59159b8401f6797347c7f947f19db53474b51eff
SHA512

300223c1c6ef6aab23d10791643fcdf0edf0cfea38dfe72581a76fd461c596f9417295873484df0e9520c6ea1d047c4ff5bc487509ae6f1dbbc98e7a1cf983aa
SSDEEP

384:uEP6YUlp+y4DdVWrXDL6SuvTra0qtRFWSBQXW:DSp+y4ZYvGVvT3qtKYQG

Score

10^/10

snakekeylogger collection credential_access discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
bisttro.shop
Port:
587
Username:
[email protected]
Password:
W79cDo2h05Iv
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/4792-267-0x00000000011D0000-0x00000000011F6000-memory.dmp	family_snakekeylogger

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Blocklisted process makes network request 1 IoCs

flow	pid	Process
3	4296	WScript.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	WScript.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.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.

flow	ioc
81	checkip.dyndns.org

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\%AppData%\Microsoft\Windows\Start Menu\Programs\Windows PowerShell\Windows PowerShell.lnk	powershell.exe
File opened for modification	C:\Windows\System32\%AppData%\Microsoft\Windows\Start Menu\Programs\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 936 set thread context of 4792	936	powershell.exe	104

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Checks processor information in registry 2 TTPs 9 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	wermgr.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	wermgr.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	wermgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	wermgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	wermgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	wermgr.exe

Enumerates system info in registry 2 TTPs 7 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	wermgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	wermgr.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	wermgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	wermgr.exe

Script User-Agent 1 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	3	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
2248	WINWORD.EXE
2248	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
936	powershell.exe
936	powershell.exe
1884	powershell.exe
1884	powershell.exe
1884	powershell.exe
936	powershell.exe
936	powershell.exe
4792	MSBuild.exe
4792	MSBuild.exe
4792	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	936	powershell.exe
Token: SeDebugPrivilege	1884	powershell.exe
Token: SeDebugPrivilege	4792	MSBuild.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
2248	WINWORD.EXE
2248	WINWORD.EXE
2248	WINWORD.EXE
2248	WINWORD.EXE
2248	WINWORD.EXE
2248	WINWORD.EXE
2248	WINWORD.EXE
2248	WINWORD.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 936	1916	WScript.exe	95
PID 1916 wrote to memory of 936	1916	WScript.exe	95
PID 1916 wrote to memory of 1884	1916	WScript.exe	101
PID 1916 wrote to memory of 1884	1916	WScript.exe	101
PID 936 wrote to memory of 4792	936	powershell.exe	104
PID 936 wrote to memory of 4792	936	powershell.exe	104
PID 936 wrote to memory of 4792	936	powershell.exe	104
PID 936 wrote to memory of 4792	936	powershell.exe	104
PID 936 wrote to memory of 4792	936	powershell.exe	104
PID 936 wrote to memory of 4792	936	powershell.exe	104
PID 936 wrote to memory of 4792	936	powershell.exe	104
PID 936 wrote to memory of 4792	936	powershell.exe	104
PID 1884 wrote to memory of 4900	1884	powershell.exe	105
PID 1884 wrote to memory of 4900	1884	powershell.exe	105
PID 936 wrote to memory of 732	936	powershell.exe	106
PID 936 wrote to memory of 732	936	powershell.exe	106

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\ece18c6e4b98ce3ed6321e2f59159b8401f6797347c7f947f19db53474b51eff.vbe"
1⤵
- Blocklisted process makes network request
PID:4296

C:\Windows\System32\WScript.exe
C:\Windows\System32\WScript.exe "C:\Users\Admin\AppData\Roaming\pxoPoGtbRQrOzlN.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:936
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:4792
- - C:\Windows\system32\wermgr.exe
    "C:\Windows\system32\wermgr.exe" "-outproc" "0" "936" "2728" "2672" "2732" "0" "0" "2736" "0" "0" "0" "0" "0"
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    PID:732
- C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1884
- - C:\Windows\system32\wermgr.exe
    "C:\Windows\system32\wermgr.exe" "-outproc" "0" "1884" "2692" "2620" "2696" "0" "0" "2700" "0" "0" "0" "0" "0"
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    PID:4900

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\Desktop\StepMerge.docx" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2248

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache

Filesize
53KB

MD5
a26df49623eff12a70a93f649776dab7

SHA1
efb53bd0df3ac34bd119adf8788127ad57e53803

SHA256
4ebde1c12625cb55034d47e5169f709b0bd02a8caa76b5b9854efad7f4710245

SHA512
e5f9b8645fb2a50763fcbffe877ca03e9cadf099fe2d510b74bfa9ff18d0a6563d11160e00f495eeefebde63450d0ade8d6b6a824e68bd8a59e1971dc842709c

Download Submit
C:\Users\Admin\AppData\Local\Temp\TCDE9E3.tmp\sist02.xsl

Filesize
245KB

MD5
f883b260a8d67082ea895c14bf56dd56

SHA1
7954565c1f243d46ad3b1e2f1baf3281451fc14b

SHA256
ef4835db41a485b56c2ef0ff7094bc2350460573a686182bc45fd6613480e353

SHA512
d95924a499f32d9b4d9a7d298502181f9e9048c21dbe0496fa3c3279b263d6f7d594b859111a99b1a53bd248ee69b867d7b1768c42e1e40934e0b990f0ce051e

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_io0fhhku.y0z.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat

Filesize
198B

MD5
70a649184a93877f49fab9d9f66a1c08

SHA1
44d7f83bcc03be91f24e9917035488a8e2dbc5c1

SHA256
836b60bb0414105b0b8ea960003fa11a091230bdbf8b8b8671513cc9d2d7fc39

SHA512
8145a9201aa2516f2b31c57c7ba82d59c8683c7705b18745b21c26d3c440ef22699dcffe208679f95104401e470d25969ca1be04bc102ebd1fa9838d3a581ac3

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lex

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
6KB

MD5
08560d73ed059ee0d5c782af40b717d3

SHA1
3d9c3d97b3a8f9602cc229fb820679e78ab4f55d

SHA256
476e859fe95583415c72ed2c1ef2a7ff6aa2c90114dab2f461fef66efa542513

SHA512
4fce3e1426bf95b064b560d434289f270597f6610f80f7c71931014e634c21afeb19703ce0236f71beee6ed16251202e47a1c65c7243f3d7ace91855a49eaf73

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
6KB

MD5
9863856ed50de81aa6b13846605b705b

SHA1
02e65f14b4161338819d30c507ca6dbb055472d7

SHA256
1b225194ee53e2be128ddadebdb7f8fb58cac48466aefbf9211c6c1c7b8a9ee6

SHA512
2f99ad3eaf2adbe309142644f23997f9ac75a96be55b1e5ca4b437a733b0e1cb59dd2b135f1e9a940f1bfe648dca77aabc7da25678139b9311ea0c7d21ece6f4

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms

Filesize
1KB

MD5
060f68fbf39f9134efb19c27726d636d

SHA1
3a95f291005ac53180629c5f4465e4ff056e9e80

SHA256
cf0afb0080eb40455ce1250dbde9516a01f5dc76ceeff10b93e331b069769e3c

SHA512
99a32e52d2ab7dccf1626a207aa7d72f4bb680a0de5f3ad75262737f850a637dbf59287fa41270f63fdc41883e220a4cd7ab6e46efb36076bd9b77031ad6b7c4

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms

Filesize
1KB

MD5
927beb2356c410aceb57be59c6a3ed29

SHA1
07dc10107268879a6acc2228eb014261372c47d4

SHA256
3451fa1c61de9cb51b9a91548c4a60714a9e0b33e87f420484caca8f35da2f81

SHA512
1c33540d6620241836a8b9b6a4370ee496c26f64ec2159b1ccb3dbeed4a70d5e917824f438cf9edc5c3d458043b8c837d5bc7296be64727e729e1f348e987619

Download Submit
C:\Users\Admin\AppData\Roaming\pxoPoGtbRQrOzlN.vbs

Filesize
2KB

MD5
1edd37d76538b8617079b6a8c91d9830

SHA1
d2605bfb3a9fb3a70890c03d72be3ea2922ee704

SHA256
818e502dd2926a30589310af5213f123578b97498713d890be93500eeef43979

SHA512
5547cba012fdf060964fb1149ee93ff34c462ba210b810db4e383a9e5916732ca6e95caaa578b052053d45f885b6ccb0b0623da6ee45863105368a3fa1344098

Download Submit
memory/936-14-0x000001E7E9D50000-0x000001E7E9D94000-memory.dmp

Filesize
272KB

Download
memory/936-248-0x000001E7E9D30000-0x000001E7E9D3A000-memory.dmp

Filesize
40KB

Download
memory/936-85-0x000001E7E9D20000-0x000001E7E9D28000-memory.dmp

Filesize
32KB

Download
memory/936-13-0x000001E7E90D0000-0x000001E7E90F2000-memory.dmp

Filesize
136KB

Download
memory/936-23-0x000001E7E9E20000-0x000001E7E9E96000-memory.dmp

Filesize
472KB

Download
memory/2248-17-0x00007FFCCE1D0000-0x00007FFCCE1E0000-memory.dmp

Filesize
64KB

Download
memory/2248-456-0x00007FFCCE1D0000-0x00007FFCCE1E0000-memory.dmp

Filesize
64KB

Download
memory/2248-20-0x00007FFCCC170000-0x00007FFCCC180000-memory.dmp

Filesize
64KB

Download
memory/2248-19-0x00007FFCCE1D0000-0x00007FFCCE1E0000-memory.dmp

Filesize
64KB

Download
memory/2248-18-0x00007FFCCE1D0000-0x00007FFCCE1E0000-memory.dmp

Filesize
64KB

Download
memory/2248-458-0x00007FFCCE1D0000-0x00007FFCCE1E0000-memory.dmp

Filesize
64KB

Download
memory/2248-16-0x00007FFCCE1D0000-0x00007FFCCE1E0000-memory.dmp

Filesize
64KB

Download
memory/2248-15-0x00007FFCCE1D0000-0x00007FFCCE1E0000-memory.dmp

Filesize
64KB

Download
memory/2248-457-0x00007FFCCE1D0000-0x00007FFCCE1E0000-memory.dmp

Filesize
64KB

Download
memory/2248-21-0x00007FFCCC170000-0x00007FFCCC180000-memory.dmp

Filesize
64KB

Download
memory/2248-459-0x00007FFCCE1D0000-0x00007FFCCE1E0000-memory.dmp

Filesize
64KB

Download
memory/4792-412-0x00000000058E0000-0x000000000597C000-memory.dmp

Filesize
624KB

Download
memory/4792-433-0x0000000006D20000-0x0000000006DB2000-memory.dmp

Filesize
584KB

Download
memory/4792-434-0x0000000006CB0000-0x0000000006CBA000-memory.dmp

Filesize
40KB

Download
memory/4792-432-0x0000000006E50000-0x0000000007012000-memory.dmp

Filesize
1.8MB

Download
memory/4792-431-0x0000000006C30000-0x0000000006C80000-memory.dmp

Filesize
320KB

Download
memory/4792-411-0x0000000005F70000-0x0000000006514000-memory.dmp

Filesize
5.6MB

Download
memory/4792-267-0x00000000011D0000-0x00000000011F6000-memory.dmp

Filesize
152KB

Download