a99b3f4a766e88aacca0b390653aa542a55a37cb2e456a3b3b22c2c23c37bb51

Analysis

max time kernel
52s
max time network
62s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30/10/2022, 06:37

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General

Target

a99b3f4a766e88aacca0b390653aa542a55a37cb2e456a3b3b22c2c23c37bb51.exe
Size

316KB
MD5

a2f6dd5645525fa88308697e5d8a2380
SHA1

1e81eafa3b3d903c8fab4e9cde39815577ed341b
SHA256

a99b3f4a766e88aacca0b390653aa542a55a37cb2e456a3b3b22c2c23c37bb51
SHA512

69667f23db3c16123265d8c5783d0d704386ff036e336b7a7a201a63481ee7f2813971cce5d5173d3336ff769e8e16811d2586288d35645ab1dab87b565e302c
SSDEEP

6144:4r6bUzkuvcBYC47l2xvr8B113MzGl+DfOsLkwlOIdWq2s99:4rjkuveY37D3h8fO+sIdWq24

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 3 IoCs

pid	Process
1088	a99b3f4a766e88aacca0b390653aa542a55a37cb2e456a3b3b22c2c23c37bb51.exe
1088	a99b3f4a766e88aacca0b390653aa542a55a37cb2e456a3b3b22c2c23c37bb51.exe
1088	a99b3f4a766e88aacca0b390653aa542a55a37cb2e456a3b3b22c2c23c37bb51.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	a99b3f4a766e88aacca0b390653aa542a55a37cb2e456a3b3b22c2c23c37bb51.exe
Key value enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	a99b3f4a766e88aacca0b390653aa542a55a37cb2e456a3b3b22c2c23c37bb51.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1088	a99b3f4a766e88aacca0b390653aa542a55a37cb2e456a3b3b22c2c23c37bb51.exe

C:\Users\Admin\AppData\Local\Temp\a99b3f4a766e88aacca0b390653aa542a55a37cb2e456a3b3b22c2c23c37bb51.exe
"C:\Users\Admin\AppData\Local\Temp\a99b3f4a766e88aacca0b390653aa542a55a37cb2e456a3b3b22c2c23c37bb51.exe"
1⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
PID:1088

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\TsuBEB98DFB.dll

Filesize
269KB

MD5
af7ce801c8471c5cd19b366333c153c4

SHA1
4267749d020a362edbd25434ad65f98b073581f1

SHA256
cf7e00ba429bc9f27ccfacc49ae367054f40ada6cede9f513cc29a24e88bf49e

SHA512
88655bd940e9b540c4df551fe68135793eceed03f94389b0654637a18b252bf4d3ef73b0c49548b5fa6ba2cf6d9aff79335c4ebcc0b668e008bcc62c40d2a73c

Download Submit
\Users\Admin\AppData\Local\Temp\{731B17E2-7D51-42E0-A00B-3573A8F83514}\Custom.dll

Filesize
91KB

MD5
0fbc4e928fbde11e27e32b50080ad2a5

SHA1
8641d9c0baa30d5b657533f1b1be4fb826a70ab2

SHA256
26a322cab318444a72ea7e4ea13328753d5930c9bec68191d43cb28e4648ce92

SHA512
33ce532f6d69ee0049d57126181575d2886bd714f600fe348f17053b84f8a75be53911e1359a9cee519e234cd851c917325e12ce36da8a5a40025c4101acacf8

Download Submit
\Users\Admin\AppData\Local\Temp\{731B17E2-7D51-42E0-A00B-3573A8F83514}\_Setup.dll

Filesize
173KB

MD5
6665cf18ef44f2fddb6fca10a2af4546

SHA1
f15ebcfc07860ea8704c5b7a128101df31677743

SHA256
446feee216612c981604c52970695675d7c473c433a390075c60af1e82ed467f

SHA512
da9be3f0bc3de571e1c29bfeb22bd5c9376e40968c66a547bec746d0cc7b5a34056bab9e7157ebd8b1b012a5e53fd04d9e1dcad1cb4ce6e9ab914cd3e71f2ffc

Download Submit
memory/1088-55-0x0000000074D61000-0x0000000074D63000-memory.dmp

Filesize
8KB

Download