bazarbackdoor | 842e396f05d590ec88da30e6180dfb29a7aec16e3ef5b49398fde8b79e4090bd

General

Target

tret.exe
Size

386KB
MD5

ee1db7f0ad39df1af6eb5166447b1471
SHA1

9111bc344d733b1aba0aef2e81b5e9fbc9d01e8f
SHA256

842e396f05d590ec88da30e6180dfb29a7aec16e3ef5b49398fde8b79e4090bd
SHA512

26366e9fbc998105a4ee00ab91abb4110fc8849a513a29821e3611a3762cfb083722bc83836704de87531e9164d648e16b6a381daa3f046ead17ac4422fab0e0

Score

10^/10

bazarbackdoor bazarloader backdoor dropper loader

Malware Config

Signatures

Bazar Loader
Detected loader normally used to deploy BazarBackdoor malware.
loader dropper bazarloader
BazarBackdoor
Stealthy backdoor targeting corporate networks, believed to be developed by Trickbot's authors.
backdoor bazarbackdoor

Bazar/Team9 Backdoor payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1200-119-0x00007FF6894E4554-mapping.dmp	BazarBackdoorVar4
behavioral2/memory/1200-118-0x00007FF6894C0000-0x00007FF689511000-memory.dmp	BazarBackdoorVar4
behavioral2/memory/1200-120-0x00007FF6894C0000-0x00007FF689511000-memory.dmp	BazarBackdoorVar4

Bazar/Team9 Loader payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/784-114-0x0000018476B70000-0x0000018476BAE000-memory.dmp	BazarLoaderVar6
behavioral2/memory/2376-116-0x000001C0F4C00000-0x000001C0F4C3E000-memory.dmp	BazarLoaderVar6

Blocklisted process makes network request 4 IoCs

Processes:

cmd.exe

flow pid process

24 1200 cmd.exe
28 1200 cmd.exe
29 1200 cmd.exe
30 1200 cmd.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

tret.exe

description pid process target process

PID 784 set thread context of 1200 784 tret.exe cmd.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

tret.exe

pid process

784 tret.exe
784 tret.exe
784 tret.exe
784 tret.exe
784 tret.exe
784 tret.exe

flow	pid	process
24	1200	cmd.exe
28	1200	cmd.exe
29	1200	cmd.exe
30	1200	cmd.exe

description	pid	process	target process
PID 784 set thread context of 1200	784	tret.exe	cmd.exe

pid	process
784	tret.exe
784	tret.exe
784	tret.exe
784	tret.exe
784	tret.exe
784	tret.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

tret.exe

description	pid	process	target process
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe
PID 784 wrote to memory of 1200	784	tret.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\tret.exe
"C:\Users\Admin\AppData\Local\Temp\tret.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:784

C:\Windows\System32\cmd.exe
C:\Windows\System32\cmd.exe
2⤵
- Blocklisted process makes network request
PID:1200

C:\Users\Admin\AppData\Local\Temp\tret.exe
C:\Users\Admin\AppData\Local\Temp\tret.exe 1607834138
1⤵
PID:2376

Network

MITRE ATT&CK Matrix

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Downloads

memory/784-114-0x0000018476B70000-0x0000018476BAE000-memory.dmp

Filesize
248KB

Download
memory/1200-119-0x00007FF6894E4554-mapping.dmp

Download
memory/1200-118-0x00007FF6894C0000-0x00007FF689511000-memory.dmp

Filesize
324KB

Download
memory/1200-120-0x00007FF6894C0000-0x00007FF689511000-memory.dmp

Filesize
324KB

Download
memory/2376-116-0x000001C0F4C00000-0x000001C0F4C3E000-memory.dmp

Filesize
248KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads