f4bcc50f8e86d8ff4a9035ea3cdc2a4e0324185bd6403ae18c721286c1790f7f

Analysis

max time kernel
90s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 20:08

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General

Target

f4bcc50f8e86d8ff4a9035ea3cdc2a4e0324185bd6403ae18c721286c1790f7f.exe
Size

316KB
MD5

cecedd9a29d190d7575c4059a4a61dbe
SHA1

1fe1b6afa5ba967fcfeb38791842c2943c29aedf
SHA256

f4bcc50f8e86d8ff4a9035ea3cdc2a4e0324185bd6403ae18c721286c1790f7f
SHA512

6e4f503970e39d3d6133bb791372ff1cebeda95c508b1ea9eb86ac18fc26fea487b9585e48a7d7a76a967f33cdcea611c8434ea05eefd7134f40ad0179c2d068
SSDEEP

6144:RrvbUzkuvcBYC47l2xmDZH4xBsprVIvThDm9FdAZ+x99wVa:RrkkuveY3zhlV6tmDxzwVa

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 3 IoCs

pid	Process
2824	f4bcc50f8e86d8ff4a9035ea3cdc2a4e0324185bd6403ae18c721286c1790f7f.exe
2824	f4bcc50f8e86d8ff4a9035ea3cdc2a4e0324185bd6403ae18c721286c1790f7f.exe
2824	f4bcc50f8e86d8ff4a9035ea3cdc2a4e0324185bd6403ae18c721286c1790f7f.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

description	ioc	Process
Key value enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	f4bcc50f8e86d8ff4a9035ea3cdc2a4e0324185bd6403ae18c721286c1790f7f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	f4bcc50f8e86d8ff4a9035ea3cdc2a4e0324185bd6403ae18c721286c1790f7f.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2824	f4bcc50f8e86d8ff4a9035ea3cdc2a4e0324185bd6403ae18c721286c1790f7f.exe
2824	f4bcc50f8e86d8ff4a9035ea3cdc2a4e0324185bd6403ae18c721286c1790f7f.exe

C:\Users\Admin\AppData\Local\Temp\f4bcc50f8e86d8ff4a9035ea3cdc2a4e0324185bd6403ae18c721286c1790f7f.exe
"C:\Users\Admin\AppData\Local\Temp\f4bcc50f8e86d8ff4a9035ea3cdc2a4e0324185bd6403ae18c721286c1790f7f.exe"
1⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
PID:2824

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Tsu0A1BCD56.dll

Filesize
269KB

MD5
af7ce801c8471c5cd19b366333c153c4

SHA1
4267749d020a362edbd25434ad65f98b073581f1

SHA256
cf7e00ba429bc9f27ccfacc49ae367054f40ada6cede9f513cc29a24e88bf49e

SHA512
88655bd940e9b540c4df551fe68135793eceed03f94389b0654637a18b252bf4d3ef73b0c49548b5fa6ba2cf6d9aff79335c4ebcc0b668e008bcc62c40d2a73c

Download Submit
C:\Users\Admin\AppData\Local\Temp\{59F45DBD-A9A3-4D58-AFB3-E18182177F4B}\Custom.dll

Filesize
91KB

MD5
734225cb2540b6ea71d2fe1ef8d42e1f

SHA1
078786a455720521670d54e1335eb54361cab21f

SHA256
13e1bd1730329a3d77c6d3fad3a46c042a786b243a6d567e6abf1b2e716d4dec

SHA512
4575274733b2aba223df2ae37cbaf3552f4f821dfb7089126ce16962442d2f10c1f1ea7fd60ff4232972e3d3fd9ce859f4ab2eea275ab59b4bd4426f9e201103

Download Submit
C:\Users\Admin\AppData\Local\Temp\{59F45DBD-A9A3-4D58-AFB3-E18182177F4B}\_Setup.dll

Filesize
173KB

MD5
d551815ebe150faff90e2b7c5cbf8ae8

SHA1
d6ded104279e24ff90c70090b5112efc50757879

SHA256
523afe52c39237b2f68a28cbccf5f30e32b2d1a64053739a1cb092f7dd998790

SHA512
3de1b3d391c23f7c3d333c98258d56cbc9903f39ea04c962e7c35268716c448258c8c36f0cf5fa9500d1f90f4b51feabd0ac676ff73f98cb219533489e7e1185

Download Submit