bazarbackdoor | df25322be14f617652607a150c806b4ecb3a3317564755518b8100063b58a50e

General

Target

efdf344f4fdsdff.exe
Size

671KB
MD5

8f62ed60962df60d1d11c6e2a97a3a6e
SHA1

d7a80002dba75d642cd05f094110e147541f2058
SHA256

df25322be14f617652607a150c806b4ecb3a3317564755518b8100063b58a50e
SHA512

3b8b5dcf317eb0a5dd061832fa8bc6eb6b1aa290104423b02c3e9b6cd4a5744c1922010478603b545470f303ee4eb65f17d494a5e222b382cd922a7fd75f7080

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

19 608 cmd.exe
21 608 cmd.exe
24 608 cmd.exe
26 608 cmd.exe
27 608 cmd.exe
28 608 cmd.exe
33 608 cmd.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

efdf344f4fdsdff.exe

description pid process target process

PID 1744 set thread context of 608 1744 efdf344f4fdsdff.exe cmd.exe

flow	pid	process
19	608	cmd.exe
21	608	cmd.exe
24	608	cmd.exe
26	608	cmd.exe
27	608	cmd.exe
28	608	cmd.exe
33	608	cmd.exe

description	pid	process	target process
PID 1744 set thread context of 608	1744	efdf344f4fdsdff.exe	cmd.exe

Modifies system certificate store 2 TTPs 5 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

efdf344f4fdsdff.execmd.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	efdf344f4fdsdff.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	efdf344f4fdsdff.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:

efdf344f4fdsdff.exe

description	pid	process	target process
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe
PID 1744 wrote to memory of 608	1744	efdf344f4fdsdff.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\efdf344f4fdsdff.exe
"C:\Users\Admin\AppData\Local\Temp\efdf344f4fdsdff.exe"
1⤵
- Suspicious use of SetThreadContext
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:1744

C:\Windows\System32\cmd.exe
C:\Windows\System32\cmd.exe
2⤵
- Blacklisted process makes network request
- Modifies system certificate store
PID:608

C:\Users\Admin\AppData\Local\Temp\efdf344f4fdsdff.exe
C:\Users\Admin\AppData\Local\Temp\efdf344f4fdsdff.exe 3304649606
1⤵
PID:576

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
c0003785da1fdb7d2d88a0d706a65715

SHA1
203bc0a6d3c2a6ef99075012d3a71f318544536a

SHA256
80cab7e23456fc8e965700920ad06dc5f13d4f909201dcb9d6bc147bdab1088f

SHA512
ab293338c501573e7ba13e055fc0afd99fb493dbbd1d35cad53314f2e1b03c46f67b462c166068651b9b137152161bf243d77f6b66fa265b1b43d1405e3b77f7

Download Submit
memory/576-4-0x0000000001BB0000-0x0000000001BDC000-memory.dmp

Filesize
176KB

Download
memory/608-5-0x000000004A9C0000-0x000000004AA04000-memory.dmp

Filesize
272KB

Download
memory/608-6-0x000000004A9DDA28-mapping.dmp

Download
memory/608-7-0x000000004A9C0000-0x000000004AA04000-memory.dmp

Filesize
272KB

Download
memory/920-2-0x000007FEF7730000-0x000007FEF79AA000-memory.dmp

Filesize
2.5MB

Download
memory/1744-0-0x0000000001E80000-0x0000000001EAC000-memory.dmp

Filesize
176KB

Download
memory/1744-1-0x0000000001EB0000-0x0000000001EDC000-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