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 11 IoCs

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

backdoor bazarbackdoor

Processes:

description	flow	ioc
HTTP URL	45	https://ukmedm.com/852b57d84ba48302555ce2a35a1277ce/2
HTTP URL	46	https://ukmedm.com/852b57d84ba48302555ce2a35a1277ce/2
HTTP URL	30	https://hotelmonteleone.com/852b57d84ba48302555ce2a35a1277ce/4
HTTP URL	37	https://ukmedm.com/852b57d84ba48302555ce2a35a1277ce/4
HTTP URL	38	https://ukmedm.com/852b57d84ba48302555ce2a35a1277ce/4
HTTP URL	40	https://ukmedm.com/852b57d84ba48302555ce2a35a1277ce/2
HTTP URL	42	https://ukmedm.com/852b57d84ba48302555ce2a35a1277ce/2
HTTP URL	44	https://ukmedm.com/852b57d84ba48302555ce2a35a1277ce/2
HTTP URL	35	https://lukeschicago.com/852b57d84ba48302555ce2a35a1277ce/4
HTTP URL	39	https://ukmedm.com/852b57d84ba48302555ce2a35a1277ce/4
HTTP URL	41	https://ukmedm.com/852b57d84ba48302555ce2a35a1277ce/2

Blacklisted process makes network request 12 IoCs

Processes:

cmd.exe

flow	pid	process
30	1660	cmd.exe
32	1660	cmd.exe
35	1660	cmd.exe
37	1660	cmd.exe
38	1660	cmd.exe
39	1660	cmd.exe
40	1660	cmd.exe
41	1660	cmd.exe
42	1660	cmd.exe
44	1660	cmd.exe
45	1660	cmd.exe
46	1660	cmd.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

efdf344f4fdsdff.exe

description pid process target process

PID 1056 set thread context of 1660 1056 efdf344f4fdsdff.exe cmd.exe

description	pid	process	target process
PID 1056 set thread context of 1660	1056	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
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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	efdf344f4fdsdff.exe

Suspicious use of WriteProcessMemory 852 IoCs

Processes:

efdf344f4fdsdff.exe

description	pid	process	target process
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	efdf344f4fdsdff.exe	cmd.exe
PID 1056 wrote to memory of 1660	1056	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:1056

C:\Windows\System32\cmd.exe
C:\Windows\System32\cmd.exe
2⤵
- Blacklisted process makes network request
- Modifies system certificate store
PID:1660

C:\Users\Admin\AppData\Local\Temp\efdf344f4fdsdff.exe
C:\Users\Admin\AppData\Local\Temp\efdf344f4fdsdff.exe 2728377087
1⤵
PID:1020

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
MD5
2c60f065a829c50cc987ef7809ebe2e4

SHA1
4b9d7ed6e36d29a1b3bde255b34d5266a3d9ac5e

SHA256
31f99d0d2fcfe6aab542163ad375d4222f5b5250bc1f6a6a42bbcfcaa02f3af9

SHA512
6b0613086e77b4b2b2b60cea9055f0fd16bda4d0dba5c8cf75a1aab4da0f6fee4eac5e0136f91700de66aa0270ce74b9e743f6bbedf50927bad97a75f86f09da

Download Submit
memory/1020-4-0x0000000000380000-0x00000000003AC000-memory.dmp

Filesize
176KB

Download
memory/1056-0-0x0000000000470000-0x000000000049C000-memory.dmp

Filesize
176KB

Download
memory/1056-1-0x00000000004A0000-0x00000000004CC000-memory.dmp

Filesize
176KB

Download
memory/1436-2-0x000007FEF7DF0000-0x000007FEF806A000-memory.dmp

Filesize
2.5MB

Download
memory/1660-6-0x000000004AB6DA28-mapping.dmp

Download
memory/1660-5-0x000000004AB50000-0x000000004AB94000-memory.dmp

Filesize
272KB

Download
memory/1660-7-0x000000004AB50000-0x000000004AB94000-memory.dmp

Filesize
272KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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