41fb3f4c03e8ebf5dc23b7f9b4093b4ed0cac523691ee4abf80364689aa71b1b

Analysis

max time kernel
131s
max time network
148s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
26-11-2022 17:12

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General

Target

41fb3f4c03e8ebf5dc23b7f9b4093b4ed0cac523691ee4abf80364689aa71b1b.exe
Size

316KB
MD5

c75f9fce3361e9511364ce325ad829b5
SHA1

134106b4e58282ddc498af2c4f8dadc22c8c3615
SHA256

41fb3f4c03e8ebf5dc23b7f9b4093b4ed0cac523691ee4abf80364689aa71b1b
SHA512

bec1159a2afc99e1e009bd9aaeb696875a62cd1320241ac3fad76408ba6d9e74b88cf9077a818ebd40a088dafd1bc53b539a0f36337811e4f29e9949e167c81c
SSDEEP

6144:9rJbUzkuvcBYC47l2xuNfL2pAgWriSTb3Z9xuzSCR2bSd:9r6kuveY3TT2XdGp9xRC4bSd

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 3 IoCs

Processes:

41fb3f4c03e8ebf5dc23b7f9b4093b4ed0cac523691ee4abf80364689aa71b1b.exe

pid	process
1220	41fb3f4c03e8ebf5dc23b7f9b4093b4ed0cac523691ee4abf80364689aa71b1b.exe
1220	41fb3f4c03e8ebf5dc23b7f9b4093b4ed0cac523691ee4abf80364689aa71b1b.exe
1220	41fb3f4c03e8ebf5dc23b7f9b4093b4ed0cac523691ee4abf80364689aa71b1b.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:

41fb3f4c03e8ebf5dc23b7f9b4093b4ed0cac523691ee4abf80364689aa71b1b.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	41fb3f4c03e8ebf5dc23b7f9b4093b4ed0cac523691ee4abf80364689aa71b1b.exe
Key value enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	41fb3f4c03e8ebf5dc23b7f9b4093b4ed0cac523691ee4abf80364689aa71b1b.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

41fb3f4c03e8ebf5dc23b7f9b4093b4ed0cac523691ee4abf80364689aa71b1b.exe

pid process

1220 41fb3f4c03e8ebf5dc23b7f9b4093b4ed0cac523691ee4abf80364689aa71b1b.exe

C:\Users\Admin\AppData\Local\Temp\41fb3f4c03e8ebf5dc23b7f9b4093b4ed0cac523691ee4abf80364689aa71b1b.exe
"C:\Users\Admin\AppData\Local\Temp\41fb3f4c03e8ebf5dc23b7f9b4093b4ed0cac523691ee4abf80364689aa71b1b.exe"
1⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
PID:1220

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\Tsu29AC2E66.dll
Filesize
269KB

MD5
af7ce801c8471c5cd19b366333c153c4

SHA1
4267749d020a362edbd25434ad65f98b073581f1

SHA256
cf7e00ba429bc9f27ccfacc49ae367054f40ada6cede9f513cc29a24e88bf49e

SHA512
88655bd940e9b540c4df551fe68135793eceed03f94389b0654637a18b252bf4d3ef73b0c49548b5fa6ba2cf6d9aff79335c4ebcc0b668e008bcc62c40d2a73c

Download Submit
\Users\Admin\AppData\Local\Temp\{7E004FB3-0C21-4998-AB73-4403A5E36D45}\Custom.dll
Filesize
91KB

MD5
aab03c84db6cba9639d49888a5f0cae1

SHA1
f27e6a68da55cb9b6e25b1ddf1c21a77bf6605ae

SHA256
72041aa64738b7cfbf8c10d8c8fcadf208240d3d69f0d546e2a923ed9a79cd32

SHA512
9c5c935e041d3f7388b9abb4ce20b02a0a9b6d8616182bf717431dac38686f983eb2da2893b60106367970c7a13b845df46279c1a8d64263873ccf1505e731c0

Download Submit
\Users\Admin\AppData\Local\Temp\{7E004FB3-0C21-4998-AB73-4403A5E36D45}\_Setup.dll
Filesize
173KB

MD5
0518cb1e0dc406122ccdabd50aeafb76

SHA1
53e860574019872b2a740b4bc345db7972b06a87

SHA256
77e1fae9a24895805780626e4a27a75d91528e73830a7dc33b154fb868b70df2

SHA512
989fcf7d0a2cec0d8bafeb08f1f4a3a8f44a6a5d4e6831ff993e907d88b8226d89c5235b03e421d4802071edb0787b36c11c39f0faebe7edd2fca9e33989c40c

Download Submit
memory/1220-55-0x0000000074D81000-0x0000000074D83000-memory.dmp

Filesize
8KB

Download