b93c35345e40b1a3cb3170cb341e41a91186141fc70d6cc5078e73c11e3f60ed

Analysis

max time kernel
92s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/08/2024, 02:19

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General

Target

b93c35345e40b1a3cb3170cb341e41a91186141fc70d6cc5078e73c11e3f60ed.exe
Size

1.2MB
MD5

9313cdb6e8124dec24470307843f02df
SHA1

3de7512e65e91d8d766bc9338ddd2ff91c53c98f
SHA256

b93c35345e40b1a3cb3170cb341e41a91186141fc70d6cc5078e73c11e3f60ed
SHA512

54bac79d785ef0fde7f072b084a672b7aaf0d9bd0d1a44c097ce96df1593ecec9b9783d4d3fc634efdbc5b2e091039a6a00fac0f12be5bd49267b784d768bec6
SSDEEP

24576:rXK/nIuooIjkFWpjzwkePXHf+2g0NJMtrrqhv/FamcY:TInIRRjkke/HW4CrO1amcY

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3788	BI.exe

Loads dropped DLL 6 IoCs

pid	Process
1948	b93c35345e40b1a3cb3170cb341e41a91186141fc70d6cc5078e73c11e3f60ed.exe
1948	b93c35345e40b1a3cb3170cb341e41a91186141fc70d6cc5078e73c11e3f60ed.exe
3788	BI.exe
3788	BI.exe
3788	BI.exe
1948	b93c35345e40b1a3cb3170cb341e41a91186141fc70d6cc5078e73c11e3f60ed.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
456	1948	WerFault.exe	82

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	b93c35345e40b1a3cb3170cb341e41a91186141fc70d6cc5078e73c11e3f60ed.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BI.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
1948	b93c35345e40b1a3cb3170cb341e41a91186141fc70d6cc5078e73c11e3f60ed.exe
1948	b93c35345e40b1a3cb3170cb341e41a91186141fc70d6cc5078e73c11e3f60ed.exe
1948	b93c35345e40b1a3cb3170cb341e41a91186141fc70d6cc5078e73c11e3f60ed.exe
1948	b93c35345e40b1a3cb3170cb341e41a91186141fc70d6cc5078e73c11e3f60ed.exe
1948	b93c35345e40b1a3cb3170cb341e41a91186141fc70d6cc5078e73c11e3f60ed.exe
1948	b93c35345e40b1a3cb3170cb341e41a91186141fc70d6cc5078e73c11e3f60ed.exe
1948	b93c35345e40b1a3cb3170cb341e41a91186141fc70d6cc5078e73c11e3f60ed.exe
1948	b93c35345e40b1a3cb3170cb341e41a91186141fc70d6cc5078e73c11e3f60ed.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 3788	1948	b93c35345e40b1a3cb3170cb341e41a91186141fc70d6cc5078e73c11e3f60ed.exe	85
PID 1948 wrote to memory of 3788	1948	b93c35345e40b1a3cb3170cb341e41a91186141fc70d6cc5078e73c11e3f60ed.exe	85
PID 1948 wrote to memory of 3788	1948	b93c35345e40b1a3cb3170cb341e41a91186141fc70d6cc5078e73c11e3f60ed.exe	85

C:\Users\Admin\AppData\Local\Temp\b93c35345e40b1a3cb3170cb341e41a91186141fc70d6cc5078e73c11e3f60ed.exe
"C:\Users\Admin\AppData\Local\Temp\b93c35345e40b1a3cb3170cb341e41a91186141fc70d6cc5078e73c11e3f60ed.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Users\Admin\AppData\Local\Temp\nse6B5D.tmp\BI.exe
  C:\Users\Admin\AppData\Local\Temp\nse6B5D.tmp\BI.exe { "json_send_time" : "7/8/2024 4:19:24:835" , "product_id_version" : "" , "product_type" : "" , "product_id" : "" , "offer_id" : "3509" , "user_type" : "NULL" , "result" : "Success" , "user_operating_system_bits" : "" , "current_default_search" : "" , "current_homepage" : "" , "current_toolbars" : "" , "attempt_number" : "1" , "is_silent" : "" , "user_ms_dotnet_framework_ver" : "" , "user_acount_type" : "" , "user_ie_version" : "" , "user_default_browser_version" : "" , "user_default_browser" : "" , "user_service_pack" : "" , "user_operating_system" : "" , "revision_number" : "0" , "build_id" : "00000000" , "dm_version" : "1.3.7.7_HF10" , "bundle_id" : "66b0f514-3426-4116-8727-cceb8ef5f35c" , "machine_user_id" : "{9B09EB23-ACB3-4863-9A8F-BF3070610145}" , "send_attempt" : "0" , "channel_id" : "" , "installation_session_id" : "F9A84153-9327-46B2-91E0-8D369CB324D0" , "publisher_internal_id" : "1" , "publisher_id" : "Brothersoft" , "publisher_account_id" : "Brothersoft" , "order" : "1.0" , "phase" : "Init" , "Is_Test" : "0" }
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:3788
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 2316
  2⤵
  - Program crash
  PID:456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1948 -ip 1948
1⤵
PID:668

Network

MITRE ATT&CK Enterprise v15

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

C:\Users\Admin\AppData\Local\Temp\nse6B5D.tmp\BI.exe

Filesize
81KB

MD5
c6606a373ecde7cfd604b9970c84edd0

SHA1
2ade77df0b5b02b60a98f60328914c44fb4e0e11

SHA256
e30c962b128d554c672d8f332874f43443529fa7c9cc2165affe403f14d83bb6

SHA512
8379c676d1fb229cf6661c07b9a14fc782261d6b74b35aff3223fdb9b7fe7afb1b33e6205ae35e420da80a22ed30d5b4f3daa6ef19c975caa7d44ea2a44499b4

Download Submit
C:\Users\Admin\AppData\Local\Temp\nse6B5D.tmp\System.dll

Filesize
17KB

MD5
ea466672af35f704f1e8738ce4381857

SHA1
245a02c01302cf0151c07d915f028e3d822846da

SHA256
54e5770328d8bc66ae751cba53eed2988cff81d9a0c627e006ee8de01ba71ed3

SHA512
619619a5fca42129087b597ef8ff3acb6f423e5c0f6add72d6c2709e6018c66933e16678dcc6e5716f191763cb23929f7cd8ae700f8c919bfa08fad8193dede2

Download Submit
C:\Users\Admin\AppData\Local\Temp\nse6B5D.tmp\WebApp\Js\API.js

Filesize
9KB

MD5
0c1797a7fe8c65cf36ca5bc35aad0ff7

SHA1
b2754700c45211e641a59c1ddf55f47d55d43bdc

SHA256
85ec98a0fc8ff6c202e0a01142814a5a5438a71636a4025a2a8506cc7b22edba

SHA512
76e5eefc894f815099e8360d89253505b8f29974b71d63e0a5e0636e6db9f8793bf11e992140b89d478a856402741222ad0bf2acff72f95d13fb60b370b13231

Download Submit
C:\Users\Admin\AppData\Local\Temp\nse6B5D.tmp\WebApp\Js\json2.js

Filesize
3KB

MD5
9b8cf1c97726c080629c98ddec68bebd

SHA1
5d764a5bc2e5cbb5f2569336e4c0c5f472d07f35

SHA256
1b6c626d6a600be68b11133c7bcd32fbcc8015951037bb36beaa067914367715

SHA512
67c590d216e73d0dd58974567dc248e0adb363c59e318efe1e715960a38220c1cfb98328cdb69941888f9e039d60980fd1fcf11084498fcb46f80c135cb60d24

Download Submit
C:\Users\Admin\AppData\Local\Temp\nse6B5D.tmp\WebApp\Loading.htm

Filesize
2KB

MD5
ae7d8dbeda4f6376cac9fc1cbc11a0e8

SHA1
81e4d2b55dcff72073e77b2b9017bbed2f0d511c

SHA256
83e84faa4aadddd16ba2602aa6dd113c8bc6b5d5d9606d90552af16d77f5ead2

SHA512
b68a696eb672e8f23c36c5e56ce37a2cf48da86027abe2c250110974d1c4811322139117004cea3ba5836638fba19a73788be01a83cc1099bdf01bde3f3982fa

Download Submit
C:\Users\Admin\AppData\Local\Temp\nse6B5D.tmp\inetc.dll

Filesize
29KB

MD5
392f88a1357c739c0825d4fa26fb5286

SHA1
02646547510dcfa5e44d461ae0fa50a2273f1010

SHA256
66d111ed5526e6c43956ea615254bf140eee4c3f07521ee9a1d6f6e760821949

SHA512
79909b909aac3f1a7fb36ee7b3702877b1bf588821df1a0aedcb0f033ff6087dd22ea38408a1505e86c8a300e6b32309924bee901d31f92cf15d697b9a9dcce5

Download Submit
C:\Users\Admin\AppData\Local\Temp\nse6B5D.tmp\webapphost.dll

Filesize
705KB

MD5
0ce8403515ce7835755e23241f833eb6

SHA1
a2bcbb0cc429598dbfe74647d72908c7a7ffcfc2

SHA256
244d24ccdd4cda723c16d0b47a8c0f42c74b33280c6a7c628010e14c894d10cc

SHA512
924e4c9966c50338e9ed2cd93a093c03e6665ec09dbc1722e78edfbd048f0d2f2b637c99eb8abf9e35608eb63bbc890292dbbb7d3b5b175f6e71c967aebe5993

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsf6C48.tmp\inetc.dll

Filesize
28KB

MD5
dbcd04e7c6a999318e15345ee807be40

SHA1
0f62900856b3c57c595efd83677d0d78f54dfe70

SHA256
b218830ef6006dd1ca5bfde770c859b5f4dcd01a9636b32355340d16dcc34546

SHA512
c56af6635032896b60235975226e911d104f59171aac9a8dd7a339e7c63a110737d14670320e7e1dddc210f7a0d35dccf949932f67c0946048c256e1b4064c1e

Download Submit