d335f8f37eb7083c6875a4e4beb0ba79c3a5151a76e3a3cc1902330dc75c0a00

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
01/10/2024, 23:21

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General

Target

d335f8f37eb7083c6875a4e4beb0ba79c3a5151a76e3a3cc1902330dc75c0a00N.exe
Size

63KB
MD5

5b2ab7f9f4fe5ba9e76dc27df07bc990
SHA1

fe6960337fc337c5bf3fd1d5edb708051af10281
SHA256

d335f8f37eb7083c6875a4e4beb0ba79c3a5151a76e3a3cc1902330dc75c0a00
SHA512

bdb11babf05c86050492ed09877b58268ec6c6c1d56c208978f9fe970940d22666a762ef33071f5c03d37881cc614dbf7553b794a85b7f61841ddfc4f7de0dfe
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIr:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVN

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2348	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2348	microsofthelp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	d335f8f37eb7083c6875a4e4beb0ba79c3a5151a76e3a3cc1902330dc75c0a00N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	d335f8f37eb7083c6875a4e4beb0ba79c3a5151a76e3a3cc1902330dc75c0a00N.exe

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	d335f8f37eb7083c6875a4e4beb0ba79c3a5151a76e3a3cc1902330dc75c0a00N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 2348	3056	d335f8f37eb7083c6875a4e4beb0ba79c3a5151a76e3a3cc1902330dc75c0a00N.exe	30
PID 3056 wrote to memory of 2348	3056	d335f8f37eb7083c6875a4e4beb0ba79c3a5151a76e3a3cc1902330dc75c0a00N.exe	30
PID 3056 wrote to memory of 2348	3056	d335f8f37eb7083c6875a4e4beb0ba79c3a5151a76e3a3cc1902330dc75c0a00N.exe	30
PID 3056 wrote to memory of 2348	3056	d335f8f37eb7083c6875a4e4beb0ba79c3a5151a76e3a3cc1902330dc75c0a00N.exe	30

C:\Users\Admin\AppData\Local\Temp\d335f8f37eb7083c6875a4e4beb0ba79c3a5151a76e3a3cc1902330dc75c0a00N.exe
"C:\Users\Admin\AppData\Local\Temp\d335f8f37eb7083c6875a4e4beb0ba79c3a5151a76e3a3cc1902330dc75c0a00N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3056
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2348

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\microsofthelp.exe

Filesize
63KB

MD5
c0241d2ad3ea1cb6e94cfa441e04289a

SHA1
1c97ec3a5e16df7322e97dccadf29db1f0869582

SHA256
d70f4454affa3cfb4cd1b59dc7bf6717c233fda2586f770946d0ead1fdc1e77c

SHA512
73e59908a87bce26dbf010b9df640db93682df126862ec96a6d32f681ccd90776ecd14bfad5bb96988afbd0f50b568988494b6df5b6aa8b8d1b137ab2bc440b2

Download Submit
memory/2348-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2348-10-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3056-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3056-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads