0f9c072ba20a1cfa9d9c79f5430e8b717b090a91356200af6428df12601d33d2

Analysis

max time kernel
152s
max time network
154s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/07/2026, 16:59

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General

Target
BloomInstaller.exe
Size 253.8MB
Sample260720-vhmwkagy7j
SHA256 0f9c072ba20a1cfa9d9c79f5430e8b717b090a91356200af6428df12601d33d2
MD5 288f99cdf9909efc1f5172a58895f994
SHA1 f8d04adcaf6b8bb6ca3f7178998a39d8795bfc3f
SHA512 52398650390b542e85e8eac7aa9a86e463c4f42e797c44c379e14193822fa3ed95a90deec1fcf0b794dba838039c16262ff339f8cafd429d2bf15eb473c16fba
SSDEEP 6291456:o0ZB7DHkj0U7jLxDRqSTY2JxEYIFCdR/MUN:20UpLTYWpI45J
TLSH
T123C833F1970E45FEF6F7CC7486E94972967F4D0A708C405800E499A47CD68BABDB88E8
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
4540	BloomInstaller.exe
4540	BloomInstaller.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4800	4540	WerFault.exe	88

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	BloomInstaller.exe

C:\Users\Admin\AppData\Local\Temp\BloomInstaller.exe
"C:\Users\Admin\AppData\Local\Temp\BloomInstaller.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:4540
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4540 -s 848
  2⤵
  - Program crash
  PID:4800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4540 -ip 4540
1⤵
PID:4328

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

System.dll

Path C:\Users\Admin\AppData\Local\Temp\nsiD633.tmp\System.dll
Size 12KB
SHA256 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
MD5 0d7ad4f45dc6f5aa87f606d0331c6901
SHA1 48df0911f0484cbe2a8cdd5362140b63c41ee457
SHA512 c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9
SSDEEP 192:1enY0LWelt70elWjvfstJcVtwtYbjnIOg5AaDnbC7ypXhtIj:18PJlt70esj0Mt9vn6ay6
TLSH
T1BA428E12977049F2F1A0183C10A67F265FBEAE5C1BE445A39FE380867D652DF9436343
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

UAC.dll

Path C:\Users\Admin\AppData\Local\Temp\nsiD633.tmp\UAC.dll
Size 14KB
SHA256 2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08
MD5 adb29e6b186daa765dc750128649b63d
SHA1 160cbdc4cb0ac2c142d361df138c537aa7e708c9
SHA512 b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada
SSDEEP 192:DiF6v2imI36Op/tGZGfWxdyWHD0I53vLl7WVl8e04IpDlPjs:DGVY6ClGoWxXH75T1WVl83lLs
TLSH
T10F623AAA62E847BEE2221636B96723130BFDB5203DA1D01F4D531E596C30BE3953D61A
MD5 SHA1 SHA512 SSDEEP TLSH