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	4656	4240	powershell.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2296	4240	powershell.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2340	4240	powershell.exe	89

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
2340	powershell.exe
4656	powershell.exe
2296	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
1752	2504	WerFault.exe	81

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
2296	powershell.exe
4656	powershell.exe
2340	powershell.exe
4656	powershell.exe
2296	powershell.exe
2340	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2296	powershell.exe
Token: SeDebugPrivilege	4656	powershell.exe
Token: SeDebugPrivilege	2340	powershell.exe
Token: SeDebugPrivilege	2504	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:2504
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 2812
  2⤵
  - Program crash
  PID:1752

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:4656

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:2296

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:2340

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2504 -ip 2504
1⤵
PID:4924

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
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

Filesize
944B

MD5
2e907f77659a6601fcc408274894da2e

SHA1
9f5b72abef1cd7145bf37547cdb1b9254b4efe9d

SHA256
385da35673330e21ac02545220552fe301fe54dedefbdafc097ac4342a295233

SHA512
34fa0fff24f6550f55f828541aaefe5d75c86f8f0842d54b50065e9746f9662bb7209c74c9a9571540b9855bb3851f01db613190024e89b198d485bb5dc07721

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

Filesize
944B

MD5
d28a889fd956d5cb3accfbaf1143eb6f

SHA1
157ba54b365341f8ff06707d996b3635da8446f7

SHA256
21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45

SHA512
0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1rv0yfck.duy.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2296-12-0x00007FFD06B23000-0x00007FFD06B25000-memory.dmp

Filesize
8KB

Download
memory/2296-48-0x00007FFD06B20000-0x00007FFD075E1000-memory.dmp

Filesize
10.8MB

Download
memory/2296-14-0x00007FFD06B20000-0x00007FFD075E1000-memory.dmp

Filesize
10.8MB

Download
memory/2296-13-0x00007FFD06B20000-0x00007FFD075E1000-memory.dmp

Filesize
10.8MB

Download
memory/2504-10-0x000000000B400000-0x000000000B9A4000-memory.dmp

Filesize
5.6MB

Download
memory/2504-3-0x0000000009430000-0x0000000009438000-memory.dmp

Filesize
32KB

Download
memory/2504-0-0x00000000747AE000-0x00000000747AF000-memory.dmp

Filesize
4KB

Download
memory/2504-11-0x000000000AEC0000-0x000000000AF26000-memory.dmp

Filesize
408KB

Download
memory/2504-8-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/2504-7-0x00000000747AE000-0x00000000747AF000-memory.dmp

Filesize
4KB

Download
memory/2504-5-0x0000000009660000-0x0000000009698000-memory.dmp

Filesize
224KB

Download
memory/2504-51-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/2504-6-0x0000000009640000-0x000000000964E000-memory.dmp

Filesize
56KB

Download
memory/2504-4-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/2504-9-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/2504-2-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/2504-1-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4656-29-0x000001FCF4640000-0x000001FCF4662000-memory.dmp

Filesize
136KB

Download

Analysis

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