b4f031abb03f4ed42f29a67832cdde45aee12ac30da5caacfd2c11ab11c4e01f

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 07:49

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b4f031abb03f4ed42f29a67832cdde45aee12ac30da5caacfd2c11ab11c4e01f.exe
Size

313KB
MD5

008f2adcf4fdd8db6505975faeb544ee
SHA1

1c92f3b728c6d18684ed6da94b605e41f0d5dabb
SHA256

b4f031abb03f4ed42f29a67832cdde45aee12ac30da5caacfd2c11ab11c4e01f
SHA512

63a6114e1880fa06b5425887b5cc005b62b31c29f1162415a879d69db1f6672008404b634a2f92a68e440c374cd3f7735f70c249aa7448a07cef9790137cc1fc
SSDEEP

6144:QrJ9uEo2S1YnQmCX492DkwNP3qpYFQiY0Z56GICaNRCVEumbcF6ov5d889PgLVD2:Qrfu6/eIo4jVW5soVCcQovoO0DJM+E9

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 3 IoCs

Processes:

b4f031abb03f4ed42f29a67832cdde45aee12ac30da5caacfd2c11ab11c4e01f.exe

pid	process
5104	b4f031abb03f4ed42f29a67832cdde45aee12ac30da5caacfd2c11ab11c4e01f.exe
5104	b4f031abb03f4ed42f29a67832cdde45aee12ac30da5caacfd2c11ab11c4e01f.exe
5104	b4f031abb03f4ed42f29a67832cdde45aee12ac30da5caacfd2c11ab11c4e01f.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:

b4f031abb03f4ed42f29a67832cdde45aee12ac30da5caacfd2c11ab11c4e01f.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	b4f031abb03f4ed42f29a67832cdde45aee12ac30da5caacfd2c11ab11c4e01f.exe
Key value enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	b4f031abb03f4ed42f29a67832cdde45aee12ac30da5caacfd2c11ab11c4e01f.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

b4f031abb03f4ed42f29a67832cdde45aee12ac30da5caacfd2c11ab11c4e01f.exe

pid	process
5104	b4f031abb03f4ed42f29a67832cdde45aee12ac30da5caacfd2c11ab11c4e01f.exe
5104	b4f031abb03f4ed42f29a67832cdde45aee12ac30da5caacfd2c11ab11c4e01f.exe

C:\Users\Admin\AppData\Local\Temp\b4f031abb03f4ed42f29a67832cdde45aee12ac30da5caacfd2c11ab11c4e01f.exe
"C:\Users\Admin\AppData\Local\Temp\b4f031abb03f4ed42f29a67832cdde45aee12ac30da5caacfd2c11ab11c4e01f.exe"
1⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
PID:5104

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\Tsu72B6930B.dll

Filesize
269KB

MD5
af7ce801c8471c5cd19b366333c153c4

SHA1
4267749d020a362edbd25434ad65f98b073581f1

SHA256
cf7e00ba429bc9f27ccfacc49ae367054f40ada6cede9f513cc29a24e88bf49e

SHA512
88655bd940e9b540c4df551fe68135793eceed03f94389b0654637a18b252bf4d3ef73b0c49548b5fa6ba2cf6d9aff79335c4ebcc0b668e008bcc62c40d2a73c

Download Submit
C:\Users\Admin\AppData\Local\Temp\{3E3FB310-C2E3-49D6-AB3D-8AC1E5DC91E6}\Custom.dll

Filesize
91KB

MD5
396573acf88c363e3406677f3353d886

SHA1
95d078a2ff0eb1a884b932e08805cf178796b19b

SHA256
e269f87987fb85313f0d1b276656020470b04e5e545784f5b3e03f9ca611b482

SHA512
a5a0c72287044ebeba9ec45f46716592b945479a219b71a78e070f842a6d1c9c0c79d253946bf793b19b9dbbc2b05459ff7fdb0efaadc474c0b5190d828cc6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\{3E3FB310-C2E3-49D6-AB3D-8AC1E5DC91E6}\_Setup.dll

Filesize
169KB

MD5
4e96799dae53f059efc83a26d1a3e0f1

SHA1
d4ce1ea0710338d4113e4079882d5995f2e1d23b

SHA256
0b705033c702abe5165a1017ea922465bb4600c34708bd3275d13c766669cf7c

SHA512
ad6328bd01d90cc8075467cc6b59808c39b59e99d61eeaa66039f4e614fba4b6b720f8ac2ca6e17ff05aa33ed3230ff73180340edfdd8221de699fe0fbefee81

Download Submit