Analysis
-
max time kernel
16s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
-
submitted
10/07/2024, 22:22
General
-
Target
2024-07-10_2a3d008f883143531c9d97530ca08e5d_bkransomware.exe
-
Size
96KB
-
MD5
2a3d008f883143531c9d97530ca08e5d
-
SHA1
4ff4661e4bf3c639340bdfd1c12f8cb7e42c5df2
-
SHA256
f644454cf598216d4651231b47d7efc57c42010bc0b1be6a9ed142bec782f8dd
-
SHA512
97631d26332eff10fe6469dc5d1c357e533df358768b7b6672d14398fe212214f0cfbd04caf4b935b9e9bf325cf85df1ebb97d93ab43ea022cc54f26cefda9d2
-
SSDEEP
1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTHNWxTNk0OUS2rI:ZhpAyazIlyazTH0xTeXX
Malware Config
Signatures
-
Executes dropped EXE 2 IoCs
-
Loads dropped DLL 3 IoCs
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Adds Run key to start application 2 TTPs 2 IoCs
-
Drops file in Windows directory 2 IoCs
-
Suspicious use of AdjustPrivilegeToken 2 IoCs
-
Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-07-10_2a3d008f883143531c9d97530ca08e5d_bkransomware.exe"C:\Users\Admin\AppData\Local\Temp\2024-07-10_2a3d008f883143531c9d97530ca08e5d_bkransomware.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\9RLsVjyG3tMXjWJ.exeC:\Users\Admin\AppData\Local\Temp\9RLsVjyG3tMXjWJ.exe2⤵
- Executes dropped EXE
-
-
C:\Windows\CTS.exe"C:\Windows\CTS.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
96KB
MD580000e0164709e08a113799e441ad4ce
SHA1dfa7b1725edf96f81c58f989f79aa16ded2b2595
SHA25605a273f02bc763b6d8e6498116f7db18fbb7cbd0f3e19ea083653c551284aa30
SHA5126d216c1228f2aeae5e4f9f226b0485009f51c272c81dc8111fa01733229d17d9c472fd0f894719a3826513a927872cc0b04a2a0c28939887fa0450a5fae6dc6e
-
Filesize
25KB
MD5abbd49c180a2f8703f6306d6fa731fdc
SHA1d63f4bfe7f74936b2fbace803e3da6103fbf6586
SHA2565f411c0bd9ed9a42b0f07ed568c7d0cf358a83063b225a1f8f7da3296dde90f1
SHA512290dd984acc451b778f3db8c510bae7aec1d9547c3ad0a1829df731c136e4ecc9a37dc6a786cf8f1ecc4d14339aed1288af25055f450f6f953138c8d4d5c36e9
-
Filesize
71KB
MD566df4ffab62e674af2e75b163563fc0b
SHA1dec8a197312e41eeb3cfef01cb2a443f0205cd6e
SHA256075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163
SHA5121588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25
-
Filesize
52KB