bazarbackdoor | 5e01783bf469b84035524d05fa1cc5ae4128a4c84f2062b8d50f85a56f1f1ec0

General

Target

38.exe
Size

724KB
MD5

67295decb6b52cd6e304e29d7009aa6e
SHA1

f0d525f021516659a4bf4c78122e5ba4189844f5
SHA256

5e01783bf469b84035524d05fa1cc5ae4128a4c84f2062b8d50f85a56f1f1ec0
SHA512

0e8bdae16494de1c58942c49a2d82cf7c25a167ac73a5c7df8ba59d03e0dde109c9fd8b6dcd2e909001b1e8b49cc2cebf5efae53976c3f13ce38061aca0559ac

Score

10^/10

bazarbackdoor backdoor

Malware Config

Signatures

BazarBackdoor 5 IoCs

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

backdoor bazarbackdoor

Processes:

description	flow	ioc
HTTP URL	30	https://ikjumnh.xyz/852b57d84ba48302555ce2a35a1277ce/4
HTTP URL	31	https://ikjumnh.xyz/852b57d84ba48302555ce2a35a1277ce/2
HTTP URL	21	https://citycafeonline.com/852b57d84ba48302555ce2a35a1277ce/4
HTTP URL	28	https://ikjumnh.xyz/852b57d84ba48302555ce2a35a1277ce/4
HTTP URL	29	https://ikjumnh.xyz/852b57d84ba48302555ce2a35a1277ce/4

Blacklisted process makes network request 9 IoCs

Processes:

cmd.exe

flow pid process

21 1020 cmd.exe
23 1020 cmd.exe
24 1020 cmd.exe
25 1020 cmd.exe
26 1020 cmd.exe
28 1020 cmd.exe
29 1020 cmd.exe
30 1020 cmd.exe
31 1020 cmd.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

38.exe

description pid process target process

PID 796 set thread context of 1020 796 38.exe cmd.exe

flow	pid	process
21	1020	cmd.exe
23	1020	cmd.exe
24	1020	cmd.exe
25	1020	cmd.exe
26	1020	cmd.exe
28	1020	cmd.exe
29	1020	cmd.exe
30	1020	cmd.exe
31	1020	cmd.exe

description	pid	process	target process
PID 796 set thread context of 1020	796	38.exe	cmd.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

38.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	38.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	38.exe

Suspicious use of WriteProcessMemory 852 IoCs

Processes:

38.exe

description	pid	process	target process
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe
PID 796 wrote to memory of 1020	796	38.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\38.exe
"C:\Users\Admin\AppData\Local\Temp\38.exe"
1⤵
- Suspicious use of SetThreadContext
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:796

C:\Windows\System32\cmd.exe
C:\Windows\System32\cmd.exe
2⤵
- Blacklisted process makes network request
PID:1020

C:\Users\Admin\AppData\Local\Temp\38.exe
C:\Users\Admin\AppData\Local\Temp\38.exe 143044211
1⤵
PID:1628

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

Loading Replay Monitor...

Downloads

memory/796-0-0x0000000000360000-0x000000000038C000-memory.dmp

Filesize
176KB

Download
memory/796-1-0x0000000001BC0000-0x0000000001BEC000-memory.dmp

Filesize
176KB

Download
memory/1020-6-0x000000004AAFD788-mapping.dmp

Download
memory/1020-5-0x000000004AAE0000-0x000000004AB24000-memory.dmp

Filesize
272KB

Download
memory/1020-7-0x000000004AAE0000-0x000000004AB24000-memory.dmp

Filesize
272KB

Download
memory/1244-2-0x000007FEF7040000-0x000007FEF72BA000-memory.dmp

Filesize
2.5MB

Download
memory/1628-4-0x0000000001F00000-0x0000000001F2C000-memory.dmp

Filesize
176KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads