b2c14ed5e2d7197fa12e275e5d7a56690a636bb9a91327d71f794ec4be373b35

Analysis

max time kernel
119s
max time network
108s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-10-2024 11:44

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General

Target

b2c14ed5e2d7197fa12e275e5d7a56690a636bb9a91327d71f794ec4be373b35N.exe
Size

62KB
MD5

e18ea2d36fe5e80942acb0eb7565f580
SHA1

190316655169ec1aa52be244b33ede849db691ae
SHA256

b2c14ed5e2d7197fa12e275e5d7a56690a636bb9a91327d71f794ec4be373b35
SHA512

c483bd1c0291ad0794c99ec544dc4b3409ac6fbc87f6aeeb99bcfeab83e9e37ca02cf9c61df1ecdc584d93ae39a0cc748e667f023d62aa0125eaec8faae3123f
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIF:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYV/

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1532	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1532	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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	b2c14ed5e2d7197fa12e275e5d7a56690a636bb9a91327d71f794ec4be373b35N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	b2c14ed5e2d7197fa12e275e5d7a56690a636bb9a91327d71f794ec4be373b35N.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	microsofthelp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b2c14ed5e2d7197fa12e275e5d7a56690a636bb9a91327d71f794ec4be373b35N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3308 wrote to memory of 1532	3308	b2c14ed5e2d7197fa12e275e5d7a56690a636bb9a91327d71f794ec4be373b35N.exe	84
PID 3308 wrote to memory of 1532	3308	b2c14ed5e2d7197fa12e275e5d7a56690a636bb9a91327d71f794ec4be373b35N.exe	84
PID 3308 wrote to memory of 1532	3308	b2c14ed5e2d7197fa12e275e5d7a56690a636bb9a91327d71f794ec4be373b35N.exe	84

C:\Users\Admin\AppData\Local\Temp\b2c14ed5e2d7197fa12e275e5d7a56690a636bb9a91327d71f794ec4be373b35N.exe
"C:\Users\Admin\AppData\Local\Temp\b2c14ed5e2d7197fa12e275e5d7a56690a636bb9a91327d71f794ec4be373b35N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3308
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1532

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
62KB

MD5
7e95e145c3c0e4ee6a389948dee4322f

SHA1
148c9d5fd2085bb2197f807c00158069c92b13ad

SHA256
7253a3811bf25fbaf592c1f096ce56b6274c2c1084aa0fec8b7b392dd7f85143

SHA512
a7d7f33946b7b5a6e3684eddfdec97e9430d0d6c4da4b7bfaa3d0ceb61cdf896bf2c5c6654ec33c868b30ca3ea3390a393a73b077f97b996011e122c449300d2

Download Submit
memory/1532-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3308-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3308-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads