b71ceb37dead741e2f9a2fc15d49181707179ecf7ed197258e1d9631e6d9a64d

Analysis

max time kernel
45s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
06/12/2022, 15:35

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General

Target

b71ceb37dead741e2f9a2fc15d49181707179ecf7ed197258e1d9631e6d9a64d.exe
Size

303KB
MD5

1e8e5d2ceac646fb835f07c541aea124
SHA1

4d8afb95d7d1ec373f449c188d7162d2643859e4
SHA256

b71ceb37dead741e2f9a2fc15d49181707179ecf7ed197258e1d9631e6d9a64d
SHA512

814b7ed9a1f987f5657e6ea742c39934911c3494a6b39e39b7904c3cb46c2ce6e4255f93917e86e2d739317117ec1f032d0a4bde61925eb02f1d92f398072d35
SSDEEP

6144:8rkX6Y0JQBkQRl7174NpNUM+UHs+h43nRLFJO2t3OEhLSMwcU9P4WbXQx78:8rkX63yRl1uqM+gs+2RLTf+QLShvQx78

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 3 IoCs

pid	Process
1600	b71ceb37dead741e2f9a2fc15d49181707179ecf7ed197258e1d9631e6d9a64d.exe
1600	b71ceb37dead741e2f9a2fc15d49181707179ecf7ed197258e1d9631e6d9a64d.exe
1600	b71ceb37dead741e2f9a2fc15d49181707179ecf7ed197258e1d9631e6d9a64d.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 opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	b71ceb37dead741e2f9a2fc15d49181707179ecf7ed197258e1d9631e6d9a64d.exe
Key value enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	b71ceb37dead741e2f9a2fc15d49181707179ecf7ed197258e1d9631e6d9a64d.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1600	b71ceb37dead741e2f9a2fc15d49181707179ecf7ed197258e1d9631e6d9a64d.exe

C:\Users\Admin\AppData\Local\Temp\b71ceb37dead741e2f9a2fc15d49181707179ecf7ed197258e1d9631e6d9a64d.exe
"C:\Users\Admin\AppData\Local\Temp\b71ceb37dead741e2f9a2fc15d49181707179ecf7ed197258e1d9631e6d9a64d.exe"
1⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
PID:1600

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

\Users\Admin\AppData\Local\Temp\Tsu625D5FA0.dll

Filesize
269KB

MD5
af7ce801c8471c5cd19b366333c153c4

SHA1
4267749d020a362edbd25434ad65f98b073581f1

SHA256
cf7e00ba429bc9f27ccfacc49ae367054f40ada6cede9f513cc29a24e88bf49e

SHA512
88655bd940e9b540c4df551fe68135793eceed03f94389b0654637a18b252bf4d3ef73b0c49548b5fa6ba2cf6d9aff79335c4ebcc0b668e008bcc62c40d2a73c

Download Submit
\Users\Admin\AppData\Local\Temp\{A611D1D3-A15F-44EC-A607-E97D7DF2F325}\Custom.dll

Filesize
73KB

MD5
1713b561bb7c2f3a9b699322beef883e

SHA1
da6f6c7ad03afb8bf5641388ff65eb5c89aa75cf

SHA256
f540f8a893afbb753a4c034587e3840b01ffa791930a9c3d6ea25d6700c3e688

SHA512
c13216bf04f47579e48c4b9be488f1fc68452402eb925ebd55603f61638738b9ccaadfe7d8d9843415cc252ceaee75b2d7ded8766316a9d1f4290860978b9023

Download Submit
\Users\Admin\AppData\Local\Temp\{A611D1D3-A15F-44EC-A607-E97D7DF2F325}\_Setup.dll

Filesize
166KB

MD5
bce2e58dbea7c20d5f71bc6b82f4343e

SHA1
41a14ecccc1175ed755e4e44f7bc89ed3a946a05

SHA256
f61285c41cf9396e9ce6bf38b29bfa3539c12c729582625636344e518252e4cb

SHA512
6ec4b531be8869443887a6289bad27ff483330d576bc7a18b29675dd26f2dba7b4cf513322dc6db240ee50c540abf69fb80f380e4bd64c8f839539d93ac346af

Download Submit
memory/1600-55-0x0000000076461000-0x0000000076463000-memory.dmp

Filesize
8KB

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