bazarloader | a841abf9e4fe42d8b9d7fce102a20c99c26f3e1ef7cb888772b1ebd45ab419b6

Analysis

max time kernel
128s
max time network
132s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
27-01-2024 22:46

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General

Target

7b7c0689f5111a83f4604abca7ed0cec.dll
Size

1.0MB
MD5

7b7c0689f5111a83f4604abca7ed0cec
SHA1

93fa8a16bc52643a005ba2ec9460856453112312
SHA256

a841abf9e4fe42d8b9d7fce102a20c99c26f3e1ef7cb888772b1ebd45ab419b6
SHA512

c39ae7e6437ec5046e95ee6a93c41ccc865a5ea94b21317ddd92b38ef0dd32f38bf559a870f411b4f1288794093ca00db4cdf1c906699fb050f1ce5e8f1143d4
SSDEEP

12288:9fHnu1hxBOwTdG7MDsDbQg779SweGIvdZOyjGU+G0VCspXMl3A6Gnzq9PBa8nT6:pHK3OwTd8MQDbQgHgUIv1jGUXuCs9qa

Score

10^/10

bazarloader dropper loader

Malware Config

Extracted

Family

bazarloader

104.248.170.50

Signatures

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

Bazar/Team9 Loader payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2468-0-0x00000000003B0000-0x00000000003D7000-memory.dmp	BazarLoaderVar6
behavioral1/memory/2708-48-0x00000000002A0000-0x00000000002C7000-memory.dmp	BazarLoaderVar6
behavioral1/memory/2708-73-0x00000000002A0000-0x00000000002C7000-memory.dmp	BazarLoaderVar6
behavioral1/memory/2468-74-0x00000000003B0000-0x00000000003D7000-memory.dmp	BazarLoaderVar6

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\7b7c0689f5111a83f4604abca7ed0cec.dll
1⤵
PID:2468

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b7c0689f5111a83f4604abca7ed0cec.dll,DllRegisterServer {A1580C52-9CA3-4E1B-AE71-69CD54EB2F7E}
1⤵
PID:2708

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
344B

MD5
39879aa85e200a7f1d905310eb77baa3

SHA1
f47552caac5fb17f6a30a7e6a9a0dd686bc2a099

SHA256
d9a74c9f6f6b8471b547385c2d374a754fb24d90ea6274ccc8cdd23362d3e4ea

SHA512
5c8e954e19e3c418e682f98edd22d5031d68761540afd2993a385ece90de3ac4ba7fef8378ae1376d1260daf86b0dc88f05cd91c691f4371d1e0ba95fcb96c46

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab5016.tmp
Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar522C.tmp
Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
memory/2468-0-0x00000000003B0000-0x00000000003D7000-memory.dmp

Filesize
156KB

Download
memory/2468-74-0x00000000003B0000-0x00000000003D7000-memory.dmp

Filesize
156KB

Download
memory/2708-48-0x00000000002A0000-0x00000000002C7000-memory.dmp

Filesize
156KB

Download
memory/2708-73-0x00000000002A0000-0x00000000002C7000-memory.dmp

Filesize
156KB

Download