bazarbackdoor | 57b1478167911e633c9480852e6e8e87691c9f8a31201fbd25a70ab42c07808c

General

Target

home.exe
Size

675KB
MD5

7f82baf6acac3e3082e2c22c657e8c0c
SHA1

0b950d2be03ca5ab99c81cc629c434e980cd167a
SHA256

57b1478167911e633c9480852e6e8e87691c9f8a31201fbd25a70ab42c07808c
SHA512

83e1b81eed8656a56c8ff7b9f6e32c03a45e9518b9144d1fe7eda57ecc9898d3dcfeb703d195a4d9e3578ace25085764cf3ce9da68915273fcea0181866e9e61

Score

10^/10

bazarbackdoor backdoor

Malware Config

Signatures

BazarBackdoor 6 IoCs

Stealthy backdoor targeting corporate networks, believed to be developed by Trickbot's authors.

backdoor bazarbackdoor

Processes:

description	flow	ioc
HTTP URL	19	https://hotelmonteleone.com/72c5e676b29f5ec54d226eb16133c4da/4
HTTP URL	24	https://lukeschicago.com/72c5e676b29f5ec54d226eb16133c4da/4
HTTP URL	26	https://ukmedm.com/72c5e676b29f5ec54d226eb16133c4da/4
HTTP URL	27	https://ukmedm.com/72c5e676b29f5ec54d226eb16133c4da/4
HTTP URL	28	https://ukmedm.com/72c5e676b29f5ec54d226eb16133c4da/4
HTTP URL	33	https://ukmedm.com/72c5e676b29f5ec54d226eb16133c4da/2

Blacklisted process makes network request 7 IoCs

Processes:

cmd.exe

flow pid process

19 664 cmd.exe
21 664 cmd.exe
24 664 cmd.exe
26 664 cmd.exe
27 664 cmd.exe
28 664 cmd.exe
33 664 cmd.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

home.exe

description pid process target process

PID 536 set thread context of 664 536 home.exe cmd.exe

flow	pid	process
19	664	cmd.exe
21	664	cmd.exe
24	664	cmd.exe
26	664	cmd.exe
27	664	cmd.exe
28	664	cmd.exe
33	664	cmd.exe

description	pid	process	target process
PID 536 set thread context of 664	536	home.exe	cmd.exe

Modifies system certificate store 2 TTPs 5 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

home.execmd.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	home.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	home.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	cmd.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	cmd.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	cmd.exe

Suspicious use of WriteProcessMemory 852 IoCs

Processes:

home.exe

description	pid	process	target process
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe
PID 536 wrote to memory of 664	536	home.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\home.exe
"C:\Users\Admin\AppData\Local\Temp\home.exe"
1⤵
- Suspicious use of SetThreadContext
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:536

C:\Windows\System32\cmd.exe
C:\Windows\System32\cmd.exe
2⤵
- Blacklisted process makes network request
- Modifies system certificate store
PID:664

C:\Users\Admin\AppData\Local\Temp\home.exe
C:\Users\Admin\AppData\Local\Temp\home.exe 1151839899
1⤵
PID:1380

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

1

T1130

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
MD5
4b54a0ef7406e7f6650cf7bfca1b0b83

SHA1
d6e086957594eed9b6aa1079c056eba0e86d9b84

SHA256
efb9b583411d3275807df0cbfcf230de3b5b4f298c5ddac1c2e1c8fad3667ffb

SHA512
9f2d22c5458e06b41b9156a94d6086f38862344c2b1c6fb89f16a6705adb25f76b8f57af5cc6221e49bf2d36c89ec2723b39c9697d51673beb40580dd0166249

Download Submit
memory/536-0-0x0000000000250000-0x000000000027C000-memory.dmp

Filesize
176KB

Download
memory/536-1-0x0000000001BE0000-0x0000000001C0C000-memory.dmp

Filesize
176KB

Download
memory/664-5-0x000000004A300000-0x000000004A344000-memory.dmp

Filesize
272KB

Download
memory/664-6-0x000000004A31DA28-mapping.dmp

Download
memory/664-7-0x000000004A300000-0x000000004A344000-memory.dmp

Filesize
272KB

Download
memory/1380-4-0x0000000000380000-0x00000000003AC000-memory.dmp

Filesize
176KB

Download
memory/1524-2-0x000007FEF6010000-0x000007FEF628A000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads