1b3f5a62579d257bc34284bca5d7c255792a30c1a862568e740821f536707fd8

Analysis

max time kernel
188s
max time network
197s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 08:43

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General

Target

1b3f5a62579d257bc34284bca5d7c255792a30c1a862568e740821f536707fd8.exe
Size

313KB
MD5

a4e3e5da8a27ca9ccf5be09913733772
SHA1

f425b11af978c591a28745689225c1f5405f74e5
SHA256

1b3f5a62579d257bc34284bca5d7c255792a30c1a862568e740821f536707fd8
SHA512

c4d0f13bfc952f0bb61efd0c1f85c8cbb61960666ce88275af59578b883302595d57122f34c647d851fa7964299a384e1b1756b6ff95132948caa1dbf0180aee
SSDEEP

6144:3rK9uEo2S1YnQmCX492DkwNP3qpYFtcM7dZssr+Ixf6LuDTKD2ay9KGYG0Lm:3ryu6/eIo4vMResyEf0uP9d9UG0m

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 3 IoCs

Processes:

1b3f5a62579d257bc34284bca5d7c255792a30c1a862568e740821f536707fd8.exe

pid	process
1720	1b3f5a62579d257bc34284bca5d7c255792a30c1a862568e740821f536707fd8.exe
1720	1b3f5a62579d257bc34284bca5d7c255792a30c1a862568e740821f536707fd8.exe
1720	1b3f5a62579d257bc34284bca5d7c255792a30c1a862568e740821f536707fd8.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:

1b3f5a62579d257bc34284bca5d7c255792a30c1a862568e740821f536707fd8.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	1b3f5a62579d257bc34284bca5d7c255792a30c1a862568e740821f536707fd8.exe
Key value enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	1b3f5a62579d257bc34284bca5d7c255792a30c1a862568e740821f536707fd8.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

1b3f5a62579d257bc34284bca5d7c255792a30c1a862568e740821f536707fd8.exe

pid	process
1720	1b3f5a62579d257bc34284bca5d7c255792a30c1a862568e740821f536707fd8.exe
1720	1b3f5a62579d257bc34284bca5d7c255792a30c1a862568e740821f536707fd8.exe

C:\Users\Admin\AppData\Local\Temp\1b3f5a62579d257bc34284bca5d7c255792a30c1a862568e740821f536707fd8.exe
"C:\Users\Admin\AppData\Local\Temp\1b3f5a62579d257bc34284bca5d7c255792a30c1a862568e740821f536707fd8.exe"
1⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
PID:1720

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\TsuC26C52F0.dll
Filesize
269KB

MD5
af7ce801c8471c5cd19b366333c153c4

SHA1
4267749d020a362edbd25434ad65f98b073581f1

SHA256
cf7e00ba429bc9f27ccfacc49ae367054f40ada6cede9f513cc29a24e88bf49e

SHA512
88655bd940e9b540c4df551fe68135793eceed03f94389b0654637a18b252bf4d3ef73b0c49548b5fa6ba2cf6d9aff79335c4ebcc0b668e008bcc62c40d2a73c

Download Submit
C:\Users\Admin\AppData\Local\Temp\{660861C4-D2DF-47CE-A525-9AFDBDEB4332}\Custom.dll
Filesize
91KB

MD5
c9d3d86ee95ae4d20c80de9ddaa8fa40

SHA1
5f0546ec86f3e27f0eec4d5d5451edc630907654

SHA256
b34ca5ec63459956e72289b6b1d85891377c4ef451b48f42d92ab7d1aad117a9

SHA512
ea895f339e31432497401782a17275cecda18286a158ad191dc1a5c2c3c541205c679689a74ff46c4e4861c7e6d87bf862e54049b419675cadaeea76c400b186

Download Submit
C:\Users\Admin\AppData\Local\Temp\{660861C4-D2DF-47CE-A525-9AFDBDEB4332}\_Setup.dll
Filesize
170KB

MD5
1aabcda403b1a6801317ef9921e80c91

SHA1
082d05c392a00a6045afabc6aece91e5879cbdcc

SHA256
09cd996ee6e10242e7fa0052c7599b293f4ea28b235d270a6bc253d03ffff467

SHA512
a35975b65372335aff47565bb104f918f089c5bc452e5107a8d767b03350a2a7155e8632c54d28f7dc1d79eb637fabb9ad2e0975fef5c86f902d2f35dcd240ae

Download Submit