2c56f1f8f12cdf501122a7729d571b2952873f844bb067ea4c59293d9487ae0f

Resubmissions

01-10-2024 05:13

241001-fwv2rsscqm 10

01-10-2024 05:10

241001-ft4acswekb 8

Analysis

max time kernel
94s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01-10-2024 05:10

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General

Target

お見積り依頼.exe
Size

625KB
MD5

a0ecf580ff9dfd9e2a7fa0c3d65f7fd6
SHA1

bbe051177c884c85675df9747d86efa1db0f77a4
SHA256

c46f4ce81d7501f1beca7fb5c694a7e2883ba4e29c498772c448232f7473aafe
SHA512

ef030e4ea6807ec2276e32772a517bca9f88a4891e291d3baf4a5c7dae1739604df173198eccb8583344c6f4d918b7df2f6c298f0be8b5bae4c123e7fdad34fa
SSDEEP

12288:oJOkHljdod9R5CHTCIM0Tr/koAyUoQepfHsz:g69R5ObpTr/kAPjO

Score

8^/10

discovery execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
5064	powershell.exe
3456	powershell.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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	お見積り依頼.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
912	776	WerFault.exe	81

System Location Discovery: System Language Discovery 1 TTPs 4 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	お見積り依頼.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4952	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
776	お見積り依頼.exe
3456	powershell.exe
5064	powershell.exe
776	お見積り依頼.exe
776	お見積り依頼.exe
3456	powershell.exe
5064	powershell.exe
776	お見積り依頼.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	776	お見積り依頼.exe
Token: SeDebugPrivilege	5064	powershell.exe
Token: SeDebugPrivilege	3456	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 776 wrote to memory of 5064	776	お見積り依頼.exe	89
PID 776 wrote to memory of 5064	776	お見積り依頼.exe	89
PID 776 wrote to memory of 5064	776	お見積り依頼.exe	89
PID 776 wrote to memory of 3456	776	お見積り依頼.exe	91
PID 776 wrote to memory of 3456	776	お見積り依頼.exe	91
PID 776 wrote to memory of 3456	776	お見積り依頼.exe	91
PID 776 wrote to memory of 4952	776	お見積り依頼.exe	93
PID 776 wrote to memory of 4952	776	お見積り依頼.exe	93
PID 776 wrote to memory of 4952	776	お見積り依頼.exe	93

C:\Users\Admin\AppData\Local\Temp\お見積り依頼.exe
"C:\Users\Admin\AppData\Local\Temp\お見積り依頼.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:776
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\お見積り依頼.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5064
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EZIgSdDLNPemJ.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3456
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EZIgSdDLNPemJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD755.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4952
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 776 -s 1708
  2⤵
  - Program crash
  PID:912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 776 -ip 776
1⤵
PID:3716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
9ab72f3d90fc5d03c6e97fccc0281de4

SHA1
e780630db4e3884204ee9bdeb11d9c66383ef4d6

SHA256
3623f19273f23024f40ff8762065481b43d7b5405bcde42f2ada7bf7ab570f48

SHA512
041958b10b1757ea97bd46343a5f92e8c197e05f88257e8cd593ebffc168001e26a626385c8d06d5f803990c7474c24076e3b53473c0ed535218c136fdd482e9

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rrtpzxa0.p3f.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD755.tmp

Filesize
1KB

MD5
fcd64b81963dd43fa81734d5d69b48ba

SHA1
6008f3386b87acbf52ed48cf9229855c75ea380e

SHA256
01a7b6ce9c783f2bf0774204625014be08fb414c5a2dfaa49bfc18597e4c0d73

SHA512
31846d54667cfbc41960a937df94b8946fc4bb3d5ca407cf518d3084a5384999c42a9b92ef67f006c5a42443301dddb7eeecd959257352db9f1d557dc9fbda0e

Download Submit
memory/776-6-0x00000000055B0000-0x00000000055CE000-memory.dmp

Filesize
120KB

Download
memory/776-2-0x00000000059A0000-0x0000000005F44000-memory.dmp

Filesize
5.6MB

Download
memory/776-48-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/776-7-0x00000000752EE000-0x00000000752EF000-memory.dmp

Filesize
4KB

Download
memory/776-8-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/776-9-0x0000000004DD0000-0x0000000004E3A000-memory.dmp

Filesize
424KB

Download
memory/776-10-0x000000000D690000-0x000000000D72C000-memory.dmp

Filesize
624KB

Download
memory/776-0-0x00000000752EE000-0x00000000752EF000-memory.dmp

Filesize
4KB

Download
memory/776-4-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/776-3-0x0000000005490000-0x0000000005522000-memory.dmp

Filesize
584KB

Download
memory/776-1-0x0000000000970000-0x0000000000A12000-memory.dmp

Filesize
648KB

Download
memory/776-5-0x0000000005420000-0x000000000542A000-memory.dmp

Filesize
40KB

Download
memory/3456-78-0x00000000077A0000-0x00000000077B4000-memory.dmp

Filesize
80KB

Download
memory/3456-23-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/3456-33-0x0000000005C30000-0x0000000005F84000-memory.dmp

Filesize
3.3MB

Download
memory/3456-79-0x00000000078A0000-0x00000000078BA000-memory.dmp

Filesize
104KB

Download
memory/3456-34-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/3456-65-0x000000006FBC0000-0x000000006FC0C000-memory.dmp

Filesize
304KB

Download
memory/3456-87-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/3456-47-0x0000000006630000-0x000000000667C000-memory.dmp

Filesize
304KB

Download
memory/3456-45-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/3456-46-0x0000000006230000-0x000000000624E000-memory.dmp

Filesize
120KB

Download
memory/5064-21-0x0000000005090000-0x00000000050F6000-memory.dmp

Filesize
408KB

Download
memory/5064-44-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/5064-49-0x0000000007030000-0x0000000007062000-memory.dmp

Filesize
200KB

Download
memory/5064-60-0x0000000007010000-0x000000000702E000-memory.dmp

Filesize
120KB

Download
memory/5064-50-0x000000006FBC0000-0x000000006FC0C000-memory.dmp

Filesize
304KB

Download
memory/5064-61-0x0000000007070000-0x0000000007113000-memory.dmp

Filesize
652KB

Download
memory/5064-63-0x00000000073C0000-0x00000000073DA000-memory.dmp

Filesize
104KB

Download
memory/5064-62-0x0000000007A00000-0x000000000807A000-memory.dmp

Filesize
6.5MB

Download
memory/5064-64-0x0000000007430000-0x000000000743A000-memory.dmp

Filesize
40KB

Download
memory/5064-22-0x0000000005A90000-0x0000000005AF6000-memory.dmp

Filesize
408KB

Download
memory/5064-75-0x0000000007640000-0x00000000076D6000-memory.dmp

Filesize
600KB

Download
memory/5064-76-0x00000000075C0000-0x00000000075D1000-memory.dmp

Filesize
68KB

Download
memory/5064-77-0x00000000075F0000-0x00000000075FE000-memory.dmp

Filesize
56KB

Download
memory/5064-20-0x0000000004FF0000-0x0000000005012000-memory.dmp

Filesize
136KB

Download
memory/5064-18-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/5064-80-0x00000000076E0000-0x00000000076E8000-memory.dmp

Filesize
32KB

Download
memory/5064-16-0x0000000005170000-0x0000000005798000-memory.dmp

Filesize
6.2MB

Download
memory/5064-17-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/5064-15-0x0000000004B00000-0x0000000004B36000-memory.dmp

Filesize
216KB

Download
memory/5064-86-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download