bc52a266b08e6bdf187513bc29f1384654583b57e6c10d4716c170436cb6778c

Analysis

max time kernel
42s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
20-12-2022 18:23

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General

Target

bc52a266b08e6bdf187513bc29f1384654583b57e6c10d4716c170436cb6778c.exe
Size

244KB
MD5

e0b025f5d840d565743f1643d2304a01
SHA1

74520cb001e132224fae8a26132e996f7ae91c8f
SHA256

bc52a266b08e6bdf187513bc29f1384654583b57e6c10d4716c170436cb6778c
SHA512

ce7f741efb73d6554279f7164a0a9635d4b44928d4a79a12a81555e88ec264c5875acf18d88d725770ff0973dbca5dd8572af93757781452c0fdb5d485b01e6c
SSDEEP

6144:PKMOAd7IF9Zr3Tz5s1BOzCtUy020kkj2ppKAOkLJi/Z:SMOAd7IbZr3Tz58BOzO3KoOZ

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1644	cmd.exe

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
948	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	948	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1660 wrote to memory of 1644	1660	bc52a266b08e6bdf187513bc29f1384654583b57e6c10d4716c170436cb6778c.exe	28
PID 1660 wrote to memory of 1644	1660	bc52a266b08e6bdf187513bc29f1384654583b57e6c10d4716c170436cb6778c.exe	28
PID 1660 wrote to memory of 1644	1660	bc52a266b08e6bdf187513bc29f1384654583b57e6c10d4716c170436cb6778c.exe	28
PID 1660 wrote to memory of 1644	1660	bc52a266b08e6bdf187513bc29f1384654583b57e6c10d4716c170436cb6778c.exe	28
PID 1644 wrote to memory of 948	1644	cmd.exe	30
PID 1644 wrote to memory of 948	1644	cmd.exe	30
PID 1644 wrote to memory of 948	1644	cmd.exe	30
PID 1644 wrote to memory of 948	1644	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\bc52a266b08e6bdf187513bc29f1384654583b57e6c10d4716c170436cb6778c.exe
"C:\Users\Admin\AppData\Local\Temp\bc52a266b08e6bdf187513bc29f1384654583b57e6c10d4716c170436cb6778c.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1660
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "bc52a266b08e6bdf187513bc29f1384654583b57e6c10d4716c170436cb6778c.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\bc52a266b08e6bdf187513bc29f1384654583b57e6c10d4716c170436cb6778c.exe" & exit
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1644
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "bc52a266b08e6bdf187513bc29f1384654583b57e6c10d4716c170436cb6778c.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:948

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/948-56-0x0000000000000000-mapping.dmp

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memory/1644-55-0x0000000000000000-mapping.dmp

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memory/1660-54-0x0000000075FB1000-0x0000000075FB3000-memory.dmp

Filesize
8KB

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