6a850e209de722ad4f57dd68f8af405d62ad6557772717bbd86052d1fe43910f

General

Target

Bootstrapper.exe
Size

104KB
MD5

7776882352548456cfc6f9827572d724
SHA1

22785b7dac19933527255ef7a96fb331f7a455a5
SHA256

6a850e209de722ad4f57dd68f8af405d62ad6557772717bbd86052d1fe43910f
SHA512

9d0cdc083f75bf524484c231a69e5179bdcc6a6b4ab845ede88aa9ef0f336b0d3d67e90752c545272958f82d8f4fdd1293bd070bd56a3cadaa252d2b53e864e2
SSDEEP

3072:CugCCyYwC+M2FE6CyYwC+M2FEa80IZOAr:CtChY7X2K6hY7X2Kah

Score

10^/10

discovery execution

Malware Config

Signatures

Process spawned unexpected child process 3 IoCs

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

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2756	4072	powershell.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4520	4072	powershell.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3056	4072	powershell.exe	82

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2756	powershell.exe
4520	powershell.exe
3056	powershell.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
4772	2660	WerFault.exe	79

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	Bootstrapper.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2756	powershell.exe
3056	powershell.exe
4520	powershell.exe
3056	powershell.exe
2756	powershell.exe
4520	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2756	powershell.exe
Token: SeDebugPrivilege	3056	powershell.exe
Token: SeDebugPrivilege	4520	powershell.exe
Token: SeDebugPrivilege	2660	Bootstrapper.exe

C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe
"C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2660
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2660 -s 2780
  2⤵
  - Program crash
  PID:4772

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -Command "Add-MpPreference -ExclusionPath 'C:\Resourse'"
1⤵
- Process spawned unexpected child process
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2756

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\Desktop'"
1⤵
- Process spawned unexpected child process
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4520

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
1⤵
- Process spawned unexpected child process
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3056

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 2660 -ip 2660
1⤵
PID:1348

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:1668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

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\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
627073ee3ca9676911bee35548eff2b8

SHA1
4c4b68c65e2cab9864b51167d710aa29ebdcff2e

SHA256
85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

SHA512
3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

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

Filesize
944B

MD5
e3840d9bcedfe7017e49ee5d05bd1c46

SHA1
272620fb2605bd196df471d62db4b2d280a363c6

SHA256
3ac83e70415b9701ee71a4560232d7998e00c3db020fde669eb01b8821d2746f

SHA512
76adc88ab3930acc6b8b7668e2de797b8c00edcfc41660ee4485259c72a8adf162db62c2621ead5a9950f12bfe8a76ccab79d02fda11860afb0e217812cac376

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mu0jsvb4.tle.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2660-10-0x000000000AB70000-0x000000000B116000-memory.dmp

Filesize
5.6MB

Download
memory/2660-2-0x0000000074850000-0x0000000075001000-memory.dmp

Filesize
7.7MB

Download
memory/2660-5-0x00000000091E0000-0x0000000009218000-memory.dmp

Filesize
224KB

Download
memory/2660-6-0x0000000005610000-0x000000000561E000-memory.dmp

Filesize
56KB

Download
memory/2660-7-0x000000007485E000-0x000000007485F000-memory.dmp

Filesize
4KB

Download
memory/2660-8-0x0000000074850000-0x0000000075001000-memory.dmp

Filesize
7.7MB

Download
memory/2660-9-0x0000000074850000-0x0000000075001000-memory.dmp

Filesize
7.7MB

Download
memory/2660-0-0x000000007485E000-0x000000007485F000-memory.dmp

Filesize
4KB

Download
memory/2660-11-0x0000000009DD0000-0x0000000009E36000-memory.dmp

Filesize
408KB

Download
memory/2660-4-0x00000000055C0000-0x00000000055C8000-memory.dmp

Filesize
32KB

Download
memory/2660-3-0x0000000074850000-0x0000000075001000-memory.dmp

Filesize
7.7MB

Download
memory/2660-48-0x0000000074850000-0x0000000075001000-memory.dmp

Filesize
7.7MB

Download
memory/2660-1-0x0000000000410000-0x000000000042E000-memory.dmp

Filesize
120KB

Download
memory/2756-12-0x00007FF947763000-0x00007FF947765000-memory.dmp

Filesize
8KB

Download
memory/2756-31-0x00007FF947760000-0x00007FF948222000-memory.dmp

Filesize
10.8MB

Download
memory/2756-22-0x00007FF947760000-0x00007FF948222000-memory.dmp

Filesize
10.8MB

Download
memory/2756-47-0x00007FF947760000-0x00007FF948222000-memory.dmp

Filesize
10.8MB

Download
memory/2756-21-0x0000017E6F6C0000-0x0000017E6F6E2000-memory.dmp

Filesize
136KB

Download

Analysis

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