killmbr | a9cd3d966d453afd424d9ac54df414b80073bb51d249f4089185976fb316e254

General

Target
MEMZ 3.0 (1).zip
Size 15KB
Sample260823-jpkh8sfl2t
SHA256 a9cd3d966d453afd424d9ac54df414b80073bb51d249f4089185976fb316e254
MD5 230d7dcb83b67deff379a563abbbd536
SHA1 dc032d6a626f57b542613fde876715765e0b1a42
SHA512 7dff68e3f9be9320872ccb105b2e87f15b23807af96ca195a38a249d868468632c3d5811d9a51295ec89fe702d821c9466f93994993951d1238f07f096fb7d77
SSDEEP 384:+gTgSLZ5WpPu3944wiiNIw2nbI6B/PvpITFkvbWa:+cvLZ5n9Sb9ytp6kl
TLSH
T12872D0E9E7385996EFC8AAB18F055D37230D8A60A2BA4F0078CD4465B5113794FD91C8
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

Malware Config

Targets

- Target
  MEMZ 3.0/MEMZ.bat
- Size 12KB
- SHA256 5f52365accb76d679b2b3946870439a62eb8936b9a0595f0fb0198138106b513
- MD5 13a43c26bb98449fd82d2a552877013a
- SHA1 71eb7dc393ac1f204488e11f5c1eef56f1e746af
- SHA512 602518b238d80010fa88c2c88699f70645513963ef4f148a0345675738cf9b0c23b9aeb899d9f7830cc1e5c7e9c7147b2dc4a9222770b4a052ee0c879062cd5a
- SSDEEP 384:nnLhRNiqt0kCH2LR0GPXxGiZgCz+KG/yKhLdW79HOli+lz3:nLhRN9t0SR4iZtzlREBWhuF
- TLSH
  T119428D3272216AAA4A7B93970CF898867D3C5C0F75612D7425A3ACFF48933F178DE415
- MD5 SHA1 SHA512 SSDEEP TLSH
Score

10^/10

bootkit discovery execution killmbr persistence trojan wiper ransomware
- Detects KillMBR
- Family: KillMBR
  KillMBR is a trojan that attempts to overwrite the Master Boot Record.
  wiper trojan killmbr
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
  Bootkits write to the MBR to gain persistence at a level below the operating system.
  bootkit persistence
- Drops file in System32 directory
behavioral1 behavioral2
- Target
  MEMZ 3.0/MEMZ.exe
- Size 12KB
- SHA256 3ff64f10603f0330fa2386ff99471ca789391ace969bd0ec1c1b8ce1b4a6db42
- MD5 a7bcf7ea8e9f3f36ebfb85b823e39d91
- SHA1 761168201520c199dba68add3a607922d8d4a86e
- SHA512 89923b669d31e590189fd06619bf27e47c5a47e82be6ae71fdb1b9b3b30b06fb7ca8ffed6d5c41ac410a367f2eb07589291e95a2644877d6bffd52775a5b1523
- SSDEEP 192:HMDLTxWDf/pl3cIEiwqZKBktLe3P+qf2jhP6B5b2yL3:H4IDH3cIqqvUWq+jhyT2yL
- TLSH
  T195426EDBB8200823E0F142B334257434EFBE852E0BDADEC98DF62E519BC79032517165
- MD5 SHA1 SHA512 SSDEEP TLSH
Score

7^/10

bootkit discovery persistence
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Writes to the Master Boot Record (MBR)
  Bootkits write to the MBR to gain persistence at a level below the operating system.
  bootkit persistence
- Drops file in System32 directory
behavioral3 behavioral4