be07df6d1ade67b2e99acdefdfac1007da3b194a8cb5938ec196417e5ed8a82d

Analysis

max time kernel
120s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/09/2024, 03:09

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General

Target

e27f637749f6ade36357607658db53c0N.exe
Size

54KB
MD5

e27f637749f6ade36357607658db53c0
SHA1

e2bb4064b67c58ac844d5fa2ef560b9efcf1c9ff
SHA256

be07df6d1ade67b2e99acdefdfac1007da3b194a8cb5938ec196417e5ed8a82d
SHA512

bd58ea64378d69eff589e39a6e95fca4ef1c5c02d40d305127ae8261d032028299b001647382dfc08e8ce7c5f8cb770a951107e74bccea5f8d43b8657a0a205b
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIG:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVI

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2684	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2684	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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	e27f637749f6ade36357607658db53c0N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	e27f637749f6ade36357607658db53c0N.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	e27f637749f6ade36357607658db53c0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4280 wrote to memory of 2684	4280	e27f637749f6ade36357607658db53c0N.exe	83
PID 4280 wrote to memory of 2684	4280	e27f637749f6ade36357607658db53c0N.exe	83
PID 4280 wrote to memory of 2684	4280	e27f637749f6ade36357607658db53c0N.exe	83

C:\Users\Admin\AppData\Local\Temp\e27f637749f6ade36357607658db53c0N.exe
"C:\Users\Admin\AppData\Local\Temp\e27f637749f6ade36357607658db53c0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4280
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2684

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
652a173155fc4a72d96a316a2f7c03ec

SHA1
1f5884c16e46dbd9de9ce605df2d82a4e1b2271b

SHA256
9d164832af79d8cce1460c1bc5ed20167c8c76e2266aaf3e3a63fe06db5ea896

SHA512
a1d329e4d579021f32f92d4358c9e530f6ad1b7f41f89051fc397ec4b74f4be2949ff24096bbdb44337db42eb5f3ba2297c87ef35f88e454633339d0c6f6fca3

Download Submit
memory/2684-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4280-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4280-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads