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	28	https://ukmedm.com/72c5e676b29f5ec54d226eb16133c4da/4
HTTP URL	29	https://ukmedm.com/72c5e676b29f5ec54d226eb16133c4da/2
HTTP URL	16	https://hotelmonteleone.com/72c5e676b29f5ec54d226eb16133c4da/4
HTTP URL	21	https://lukeschicago.com/72c5e676b29f5ec54d226eb16133c4da/4
HTTP URL	26	https://ukmedm.com/72c5e676b29f5ec54d226eb16133c4da/4
HTTP URL	27	https://ukmedm.com/72c5e676b29f5ec54d226eb16133c4da/4

Blacklisted process makes network request 7 IoCs

Processes:

cmd.exe

flow pid process

16 756 cmd.exe
18 756 cmd.exe
21 756 cmd.exe
26 756 cmd.exe
27 756 cmd.exe
28 756 cmd.exe
29 756 cmd.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

efdf344f4fdsdff.exe

description pid process target process

PID 288 set thread context of 756 288 efdf344f4fdsdff.exe cmd.exe

flow	pid	process
16	756	cmd.exe
18	756	cmd.exe
21	756	cmd.exe
26	756	cmd.exe
27	756	cmd.exe
28	756	cmd.exe
29	756	cmd.exe

description	pid	process	target process
PID 288 set thread context of 756	288	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 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	efdf344f4fdsdff.exe	cmd.exe
PID 288 wrote to memory of 756	288	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:288

C:\Windows\System32\cmd.exe
C:\Windows\System32\cmd.exe
2⤵
- Blacklisted process makes network request
- Modifies system certificate store
PID:756

C:\Users\Admin\AppData\Local\Temp\efdf344f4fdsdff.exe
C:\Users\Admin\AppData\Local\Temp\efdf344f4fdsdff.exe 3994326056
1⤵
PID:884

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
7b4f1a859340bc764b516a8dc8b4e7f8

SHA1
d87628d35fafd2195af96942325b3c14550b0bf6

SHA256
57ed565499071d7816669dd474dc6e16e87259b351c3d3620e9dba364b48e41a

SHA512
634580881c7f8c56ba2751562a504df8d800df168d4b7d2c44b4e1ed31be06b4f43295d4c4b0b766d531b0ce9880bbd41543aa3c57704a8cf62cdb6064443051

Download Submit
memory/288-1-0x0000000001BB0000-0x0000000001BDC000-memory.dmp

Filesize
176KB

Download
memory/288-0-0x0000000000450000-0x000000000047C000-memory.dmp

Filesize
176KB

Download
memory/756-3-0x0000000049E00000-0x0000000049E44000-memory.dmp

Filesize
272KB

Download
memory/756-4-0x0000000049E1DA28-mapping.dmp

Download
memory/756-5-0x0000000049E00000-0x0000000049E44000-memory.dmp

Filesize
272KB

Download
memory/884-8-0x0000000000490000-0x00000000004BC000-memory.dmp

Filesize
176KB

Download
memory/1400-2-0x000007FEF7510000-0x000007FEF778A000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads