b3aa8dfd365c0e1ecc6699aab0bcea7a2f6f77bccc0cf73b6b6394acef2a4acd

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 07:50

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General

Target

b3aa8dfd365c0e1ecc6699aab0bcea7a2f6f77bccc0cf73b6b6394acef2a4acd.exe
Size

326KB
MD5

c9eb8a69b6e9e51b852b37fb0991b6fe
SHA1

b08dd1ee243a14b098940c816e9810817466f708
SHA256

b3aa8dfd365c0e1ecc6699aab0bcea7a2f6f77bccc0cf73b6b6394acef2a4acd
SHA512

c39a87d5cb21b6278fd5a5f6cb4b00695e434e2a5e9db989a66cb999571e1b9b8989a41fd4a95d18816356c7cb4ef94d3a1fcbad2b4551c5f938555ef57ffb5d
SSDEEP

6144:er469uEo2S1YnQmCX492DkwNP3qpYFhVq5fRr7kW2hjCmPLSysJmah:er4iu6/eIo44O0W2UY2yyh

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 3 IoCs

Processes:

b3aa8dfd365c0e1ecc6699aab0bcea7a2f6f77bccc0cf73b6b6394acef2a4acd.exe

pid	process
3260	b3aa8dfd365c0e1ecc6699aab0bcea7a2f6f77bccc0cf73b6b6394acef2a4acd.exe
3260	b3aa8dfd365c0e1ecc6699aab0bcea7a2f6f77bccc0cf73b6b6394acef2a4acd.exe
3260	b3aa8dfd365c0e1ecc6699aab0bcea7a2f6f77bccc0cf73b6b6394acef2a4acd.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

b3aa8dfd365c0e1ecc6699aab0bcea7a2f6f77bccc0cf73b6b6394acef2a4acd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	b3aa8dfd365c0e1ecc6699aab0bcea7a2f6f77bccc0cf73b6b6394acef2a4acd.exe
Key value enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	b3aa8dfd365c0e1ecc6699aab0bcea7a2f6f77bccc0cf73b6b6394acef2a4acd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

b3aa8dfd365c0e1ecc6699aab0bcea7a2f6f77bccc0cf73b6b6394acef2a4acd.exe

pid	process
3260	b3aa8dfd365c0e1ecc6699aab0bcea7a2f6f77bccc0cf73b6b6394acef2a4acd.exe
3260	b3aa8dfd365c0e1ecc6699aab0bcea7a2f6f77bccc0cf73b6b6394acef2a4acd.exe

C:\Users\Admin\AppData\Local\Temp\b3aa8dfd365c0e1ecc6699aab0bcea7a2f6f77bccc0cf73b6b6394acef2a4acd.exe
"C:\Users\Admin\AppData\Local\Temp\b3aa8dfd365c0e1ecc6699aab0bcea7a2f6f77bccc0cf73b6b6394acef2a4acd.exe"
1⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
PID:3260

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Tsu44AB050D.dll
Filesize
269KB

MD5
af7ce801c8471c5cd19b366333c153c4

SHA1
4267749d020a362edbd25434ad65f98b073581f1

SHA256
cf7e00ba429bc9f27ccfacc49ae367054f40ada6cede9f513cc29a24e88bf49e

SHA512
88655bd940e9b540c4df551fe68135793eceed03f94389b0654637a18b252bf4d3ef73b0c49548b5fa6ba2cf6d9aff79335c4ebcc0b668e008bcc62c40d2a73c

Download Submit
C:\Users\Admin\AppData\Local\Temp\{8B379346-5E23-440C-A6E7-160150D4B1B0}\Custom.dll
Filesize
91KB

MD5
0842e2723fff1f80955c9dbd38019c75

SHA1
bea88c3fe74817b048951bd218e70d9dead617d9

SHA256
d71cea96d49b48f8702337d01681b2f144aca8acb56a699b9599106c11cc7458

SHA512
28acff8e01224291aa67f57b2d514db84a79fc2cf7ed28ed2e2cecbdf070fb3b1cf52e295a9412641422338f78d86fc6ea21d835a8de21565a8f53d24c604b02

Download Submit
C:\Users\Admin\AppData\Local\Temp\{8B379346-5E23-440C-A6E7-160150D4B1B0}\_Setup.dll
Filesize
179KB

MD5
35b1d5b099a7bccc1b38e0ca0ef5c47a

SHA1
3667c7290097cec828bd8e45c14a36b853c61ad2

SHA256
e03a8c9448bd7416f8fd2a5c306708e29972e4c0d6751d5c1dda68d7d0d2550b

SHA512
9c64d17cc6cf361422d2b2f6a9306138e51b9e1b71a6475cc06a67300e9897ee1d03cb6120f966a168003a54f64a0562aa8fd3566e0e66f01906cb31d7297a0f

Download Submit