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	20	https://hotelmonteleone.com/852b57d84ba48302555ce2a35a1277ce/4
HTTP URL	25	https://lukeschicago.com/852b57d84ba48302555ce2a35a1277ce/4
HTTP URL	27	https://ukmedm.com/852b57d84ba48302555ce2a35a1277ce/4
HTTP URL	28	https://ukmedm.com/852b57d84ba48302555ce2a35a1277ce/4
HTTP URL	29	https://ukmedm.com/852b57d84ba48302555ce2a35a1277ce/4
HTTP URL	34	https://ukmedm.com/852b57d84ba48302555ce2a35a1277ce/2

Blacklisted process makes network request 7 IoCs

Processes:

cmd.exe

flow pid process

20 1536 cmd.exe
22 1536 cmd.exe
25 1536 cmd.exe
27 1536 cmd.exe
28 1536 cmd.exe
29 1536 cmd.exe
34 1536 cmd.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

home.exe

description pid process target process

PID 1880 set thread context of 1536 1880 home.exe cmd.exe

flow	pid	process
20	1536	cmd.exe
22	1536	cmd.exe
25	1536	cmd.exe
27	1536	cmd.exe
28	1536	cmd.exe
29	1536	cmd.exe
34	1536	cmd.exe

description	pid	process	target process
PID 1880 set thread context of 1536	1880	home.exe	cmd.exe

Modifies system certificate store 2 TTPs 5 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

cmd.exehome.exe

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

Suspicious use of WriteProcessMemory 852 IoCs

Processes:

home.exe

description	pid	process	target process
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	home.exe	cmd.exe
PID 1880 wrote to memory of 1536	1880	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:1880

C:\Windows\System32\cmd.exe
C:\Windows\System32\cmd.exe
2⤵
- Blacklisted process makes network request
- Modifies system certificate store
PID:1536

C:\Users\Admin\AppData\Local\Temp\home.exe
C:\Users\Admin\AppData\Local\Temp\home.exe 1355320244
1⤵
PID:968

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
9cc6068783e4d33b534c10ff1c1c3f00

SHA1
b3b8d5f949715772c735ddeaeebd297297855dfb

SHA256
b1657e06a4f3115c9ec4a5e2bc698c8f6cd0bcd5e95f9f55c15bb252414bccb0

SHA512
63e6b54d00ac1142f6b4ccd31ac085bc1356590fc43ba38a244f127f158888fd5ca1c04b9a24219112e28a822ce25348f1e4e05079f2775c746d6adb699e8ad8

Download Submit
memory/868-2-0x000007FEF7810000-0x000007FEF7A8A000-memory.dmp

Filesize
2.5MB

Download
memory/968-4-0x0000000000380000-0x00000000003AC000-memory.dmp

Filesize
176KB

Download
memory/1536-5-0x0000000049F70000-0x0000000049FB4000-memory.dmp

Filesize
272KB

Download
memory/1536-6-0x0000000049F8DA28-mapping.dmp

Download
memory/1536-7-0x0000000049F70000-0x0000000049FB4000-memory.dmp

Filesize
272KB

Download
memory/1880-0-0x0000000001B80000-0x0000000001BAC000-memory.dmp

Filesize
176KB

Download
memory/1880-1-0x0000000001BB0000-0x0000000001BDC000-memory.dmp

Filesize
176KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads