b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67

General

Target

b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
Size

3.2MB
MD5

07c86dd4f62846c7916a480b4141b540
SHA1

bae9b29b94a2380eeb7e28892d0610968f52dae8
SHA256

b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67
SHA512

79a38bfa48e59222fb38695c169f762bbd4f49ce2b93cb82303d78d871fefba61ef1d3d9b1c82f30f6dd208cc34878925f12ed798d1f17da41ad29cd7a71e487
SSDEEP

98304:H3h6d68gwIteZNiiPwVpc3h6d68gwIteZNiiPwVp:HR668aaEL4R668aaEL

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

Processes:

powershell.exepowershell.exe

pid process

264 powershell.exe
2748 powershell.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
264	powershell.exe
2748	powershell.exe

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

Processes:

b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exepowershell.exepowershell.exeschtasks.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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

Processes:

schtasks.exe

pid process

2844 schtasks.exe

pid	process
2844	schtasks.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exepowershell.exepowershell.exe

pid	process
2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
2748	powershell.exe
264	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
Token: SeDebugPrivilege	2748	powershell.exe
Token: SeDebugPrivilege	264	powershell.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe

C:\Users\Admin\AppData\Local\Temp\b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
"C:\Users\Admin\AppData\Local\Temp\b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2380
- 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\b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:264
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BLznCuyzwk.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2748
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp14F7.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2844
- C:\Users\Admin\AppData\Local\Temp\b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
  "C:\Users\Admin\AppData\Local\Temp\b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe"
  2⤵
  PID:2752
- C:\Users\Admin\AppData\Local\Temp\b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
  "C:\Users\Admin\AppData\Local\Temp\b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe"
  2⤵
  PID:2804
- C:\Users\Admin\AppData\Local\Temp\b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
  "C:\Users\Admin\AppData\Local\Temp\b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe"
  2⤵
  PID:2792
- C:\Users\Admin\AppData\Local\Temp\b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
  "C:\Users\Admin\AppData\Local\Temp\b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe"
  2⤵
  PID:2660
- C:\Users\Admin\AppData\Local\Temp\b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
  "C:\Users\Admin\AppData\Local\Temp\b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe"
  2⤵
  PID:2328

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp14F7.tmp

Filesize
1KB

MD5
64c8ed47f25d0b850bf839eb76bf17b3

SHA1
9b474653eec233cc68833c3ecb9f8f5343e3225a

SHA256
bc5a011951a0ded79b3e04ff338e0eab25f8807ec37a0149f0b3d98e20553912

SHA512
2cd409222245a70b19071d162650f068d167827e3a37168fcc5376d97463972305885060096ff75cc53df1037dfa630c12d0911f7f98410778e38e7b518e4510

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
bbe61b8c329f5a8c9ac49bcb7389a4f6

SHA1
172c86919205aa0189ba82b2bce89c1f5610048d

SHA256
8a13dfc2049e9de1e57eb65f147726d6edd255b671bb69fa2cb333e1854b4c9a

SHA512
76dae07d2b28d187e81c44e71b6edbc1f92406fe7f38bd7c8b8da76c5dec02a5b9a2e816728c6b831cfb6693155748f700c0fdc4f9b905f9bf3cdc4d9b2c4cb1

Download Submit
memory/2380-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

Filesize
4KB

Download
memory/2380-1-0x00000000002A0000-0x00000000005E4000-memory.dmp

Filesize
3.3MB

Download
memory/2380-2-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-3-0x0000000000620000-0x0000000000638000-memory.dmp

Filesize
96KB

Download
memory/2380-4-0x00000000749DE000-0x00000000749DF000-memory.dmp

Filesize
4KB

Download
memory/2380-5-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-6-0x00000000052A0000-0x000000000541E000-memory.dmp

Filesize
1.5MB

Download
memory/2380-19-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download

description	pid	process	target process
PID 2380 wrote to memory of 264	2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe	powershell.exe
PID 2380 wrote to memory of 264	2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe	powershell.exe
PID 2380 wrote to memory of 264	2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe	powershell.exe
PID 2380 wrote to memory of 264	2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe	powershell.exe
PID 2380 wrote to memory of 2748	2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe	powershell.exe
PID 2380 wrote to memory of 2748	2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe	powershell.exe
PID 2380 wrote to memory of 2748	2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe	powershell.exe
PID 2380 wrote to memory of 2748	2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe	powershell.exe
PID 2380 wrote to memory of 2844	2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe	schtasks.exe
PID 2380 wrote to memory of 2844	2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe	schtasks.exe
PID 2380 wrote to memory of 2844	2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe	schtasks.exe
PID 2380 wrote to memory of 2844	2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe	schtasks.exe
PID 2380 wrote to memory of 2752	2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
PID 2380 wrote to memory of 2752	2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
PID 2380 wrote to memory of 2752	2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
PID 2380 wrote to memory of 2752	2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
PID 2380 wrote to memory of 2804	2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
PID 2380 wrote to memory of 2804	2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
PID 2380 wrote to memory of 2804	2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
PID 2380 wrote to memory of 2804	2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
PID 2380 wrote to memory of 2792	2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
PID 2380 wrote to memory of 2792	2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
PID 2380 wrote to memory of 2792	2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
PID 2380 wrote to memory of 2792	2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
PID 2380 wrote to memory of 2660	2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
PID 2380 wrote to memory of 2660	2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
PID 2380 wrote to memory of 2660	2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
PID 2380 wrote to memory of 2660	2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
PID 2380 wrote to memory of 2328	2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
PID 2380 wrote to memory of 2328	2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
PID 2380 wrote to memory of 2328	2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe
PID 2380 wrote to memory of 2328	2380	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe	b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads