387be0946ca10e99b9bb4582c1c2860579efcd4e404c47a74781d2cfee4c9176

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
02/09/2024, 15:05

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General

Target

a4474784fd21127e30813f58d83aa790N.exe
Size

54KB
MD5

a4474784fd21127e30813f58d83aa790
SHA1

ffdcc5c989a7c8dc1b508c148fd2c16e70ec9f92
SHA256

387be0946ca10e99b9bb4582c1c2860579efcd4e404c47a74781d2cfee4c9176
SHA512

ae44a324fc419bde622ed28926a65d3bf4f7a0da47b49dfdd117a63cbb74d8930194a2d8127383f133f11f2f83fb4d76ce899b5dd8d027e9bb18a26ab730e051
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhII:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVy

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
824	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
824	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-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	a4474784fd21127e30813f58d83aa790N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	a4474784fd21127e30813f58d83aa790N.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	a4474784fd21127e30813f58d83aa790N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 824	3040	a4474784fd21127e30813f58d83aa790N.exe	29
PID 3040 wrote to memory of 824	3040	a4474784fd21127e30813f58d83aa790N.exe	29
PID 3040 wrote to memory of 824	3040	a4474784fd21127e30813f58d83aa790N.exe	29
PID 3040 wrote to memory of 824	3040	a4474784fd21127e30813f58d83aa790N.exe	29

C:\Users\Admin\AppData\Local\Temp\a4474784fd21127e30813f58d83aa790N.exe
"C:\Users\Admin\AppData\Local\Temp\a4474784fd21127e30813f58d83aa790N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:824

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
54KB

MD5
9250d0e73347d8c614282673ff558abc

SHA1
0f8768801f105093b56aeb010c12b0103ab939e7

SHA256
2190794bd88b2291e6819ec69402ff900e85202ae341df72a3774b79eda4f07a

SHA512
5ff8447fa8394d034d3d243fc269415ff22635310e024937b24d7c600ffd85258efc3fe9e3dcf097dd031ff81cf9bd6bf88e1e30ab048a9cd3e17dbfc7683571

Download Submit
memory/824-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/824-10-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3040-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3040-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads