bazarloader | bf58ef24dd79c02522163be7d8e523cecb2be8daf30e98fd6673d583cbc9e74b

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
01-04-2024 14:05

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General

Target

730ca73a23dd70b2edf3712e4d03db1c_JaffaCakes118.dll
Size

1.1MB
MD5

730ca73a23dd70b2edf3712e4d03db1c
SHA1

48d8ff863d43bde2614ae387841135d1b33e66da
SHA256

bf58ef24dd79c02522163be7d8e523cecb2be8daf30e98fd6673d583cbc9e74b
SHA512

454b6caad5539489cbbce8efd34a2ec03b6ce38490c6c3d05f18c8825c1d70e98b1efc5974ebf92213c292d782e55abad2e1ddd0130d0ad7d2c33336a1c98f8a
SSDEEP

24576:4Am1pTsWeU8tV+VwKYs1tRS+7SPFL3EOGTWqG5QVEzAJ24GOy2ipi8z71aaDpZBG:4AmbTsWeU8tV+VwKYs1tRX7SPFL3EOGQ

Score

10^/10

bazarloader dropper loader

Malware Config

Signatures

Bazar Loader
Detected loader normally used to deploy BazarBackdoor malware.
loader dropper bazarloader

Bazar/Team9 Loader payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1660-0-0x0000000180000000-0x000000018002A000-memory.dmp	BazarLoaderVar5
behavioral1/memory/1660-1-0x0000000180000000-0x000000018002A000-memory.dmp	BazarLoaderVar5

Blocklisted process makes network request 9 IoCs

Processes:

rundll32.exe

flow pid process

3 1660 rundll32.exe
5 1660 rundll32.exe
6 1660 rundll32.exe
7 1660 rundll32.exe
8 1660 rundll32.exe
11 1660 rundll32.exe
12 1660 rundll32.exe
14 1660 rundll32.exe
15 1660 rundll32.exe
Tries to connect to .bazar domain 1 IoCs
Attempts to lookup or connect to a .bazar domain, used by BazarBackdoor, Trickbot, and potentially others.

Processes:

flow ioc

14 blackrain15.bazar
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

description ioc

Destination IP 134.195.4.2

flow	pid	process
3	1660	rundll32.exe
5	1660	rundll32.exe
6	1660	rundll32.exe
7	1660	rundll32.exe
8	1660	rundll32.exe
11	1660	rundll32.exe
12	1660	rundll32.exe
14	1660	rundll32.exe
15	1660	rundll32.exe

flow	ioc
14	blackrain15.bazar

description	ioc
Destination IP	134.195.4.2

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	rundll32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\730ca73a23dd70b2edf3712e4d03db1c_JaffaCakes118.dll,#1
1⤵
- Blocklisted process makes network request
- Modifies system certificate store
PID:1660

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1660-0-0x0000000180000000-0x000000018002A000-memory.dmp

Filesize
168KB

Download
memory/1660-1-0x0000000180000000-0x000000018002A000-memory.dmp

Filesize
168KB

Download