bazarloader | 1a11f48cbdd0a8f256f4940d8e8dcf0ead80cbfdb6d6dd87c8b9b945c4051631

Analysis

max time kernel
149s
max time network
149s
platform
windows10_x64
resource
win10v20201028
submitted
10/12/2020, 18:34

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General

Target
Print-Review.exe
Size 380KB
Sample201210-53jklftrjj
SHA256 1a11f48cbdd0a8f256f4940d8e8dcf0ead80cbfdb6d6dd87c8b9b945c4051631
MD5 e2e6b73c933c284baaeb3b04df50cf03
SHA1 fa772bed9cc0c72df466fcf98dddb8dc1f153e19
SHA512 c981f530e14cdcf2a6564bc707c71d4a455c69817123c475ce3b1c22a4f5b91359fdc3d813955930b7304519908e50d2a1401dacc2c5322adfc6a8a5896404ea
MD5 SHA1 SHA512

Score

10^/10

bazarloader dropper loader

Malware Config

Signatures

Bazar Loader
Detected loader normally used to deploy BazarBackdoor malware.
loader dropper bazarloader

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 1180 created 2836	1180	Print-Review.exe	27

Bazar/Team9 Loader payload 2 IoCs

resource	yara_rule
behavioral2/memory/1180-2-0x0000000000500000-0x0000000000529000-memory.dmp	BazarLoaderVar1
behavioral2/memory/1180-3-0x0000000180000000-0x0000000180026000-memory.dmp	BazarLoaderVar1

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1180 set thread context of 1496	1180	Print-Review.exe	79

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1180	Print-Review.exe
1180	Print-Review.exe
1180	Print-Review.exe
1180	Print-Review.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1180 wrote to memory of 1496	1180	Print-Review.exe	79
PID 1180 wrote to memory of 1496	1180	Print-Review.exe	79
PID 1180 wrote to memory of 1496	1180	Print-Review.exe	79
PID 1180 wrote to memory of 1496	1180	Print-Review.exe	79
PID 1180 wrote to memory of 1496	1180	Print-Review.exe	79
PID 1180 wrote to memory of 1496	1180	Print-Review.exe	79
PID 1180 wrote to memory of 1496	1180	Print-Review.exe	79

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:2836
- C:\Users\Admin\AppData\Local\Temp\Print-Review.exe
  "C:\Users\Admin\AppData\Local\Temp\Print-Review.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1180
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe"
  2⤵
  PID:1496

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/1180-2-0x0000000000500000-0x0000000000529000-memory.dmp

Download

memory/1180-3-0x0000000180000000-0x0000000180026000-memory.dmp

Download

memory/1496-4-0x00007FF796AC0000-0x00007FF796AE4000-memory.dmp

Download