b5fdb617820a2d8bcc4631810e0d8072ac044dce853e44d10b2ff3c5931a3cab

Analysis

max time kernel
150s
max time network
154s
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 07:48

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General

Target

b5fdb617820a2d8bcc4631810e0d8072ac044dce853e44d10b2ff3c5931a3cab.exe
Size

315KB
MD5

194df351664d3cc90f5829c4c6291da1
SHA1

66e5fc3c66f8a97bc2d878497f55189199feb95e
SHA256

b5fdb617820a2d8bcc4631810e0d8072ac044dce853e44d10b2ff3c5931a3cab
SHA512

f5f18d2a5a78efa943ff3fac8033f19f5fad087dd4aa4bff3f9cb591668e57efa59b5cc4e3e258bc61a3f92ff778a01c941a98e8ade445d88444f02075f73ab4
SSDEEP

6144:srYbUzkuvcBYC47l2xLnvhueEZdkKQ3+7Oj7hTOVA1HWZq:srdkuveY3CvI5Zdkj6OEu1HSq

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 3 IoCs

Processes:

b5fdb617820a2d8bcc4631810e0d8072ac044dce853e44d10b2ff3c5931a3cab.exe

pid	process
3460	b5fdb617820a2d8bcc4631810e0d8072ac044dce853e44d10b2ff3c5931a3cab.exe
3460	b5fdb617820a2d8bcc4631810e0d8072ac044dce853e44d10b2ff3c5931a3cab.exe
3460	b5fdb617820a2d8bcc4631810e0d8072ac044dce853e44d10b2ff3c5931a3cab.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:

b5fdb617820a2d8bcc4631810e0d8072ac044dce853e44d10b2ff3c5931a3cab.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	b5fdb617820a2d8bcc4631810e0d8072ac044dce853e44d10b2ff3c5931a3cab.exe
Key value enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	b5fdb617820a2d8bcc4631810e0d8072ac044dce853e44d10b2ff3c5931a3cab.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

b5fdb617820a2d8bcc4631810e0d8072ac044dce853e44d10b2ff3c5931a3cab.exe

pid	process
3460	b5fdb617820a2d8bcc4631810e0d8072ac044dce853e44d10b2ff3c5931a3cab.exe
3460	b5fdb617820a2d8bcc4631810e0d8072ac044dce853e44d10b2ff3c5931a3cab.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

b5fdb617820a2d8bcc4631810e0d8072ac044dce853e44d10b2ff3c5931a3cab.exe

description	pid	process	target process
PID 3460 wrote to memory of 4276	3460	b5fdb617820a2d8bcc4631810e0d8072ac044dce853e44d10b2ff3c5931a3cab.exe	cmd.exe
PID 3460 wrote to memory of 4276	3460	b5fdb617820a2d8bcc4631810e0d8072ac044dce853e44d10b2ff3c5931a3cab.exe	cmd.exe
PID 3460 wrote to memory of 4276	3460	b5fdb617820a2d8bcc4631810e0d8072ac044dce853e44d10b2ff3c5931a3cab.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\b5fdb617820a2d8bcc4631810e0d8072ac044dce853e44d10b2ff3c5931a3cab.exe
"C:\Users\Admin\AppData\Local\Temp\b5fdb617820a2d8bcc4631810e0d8072ac044dce853e44d10b2ff3c5931a3cab.exe"
1⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3460

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\_tin674E.bat"
2⤵
PID:4276

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

C:\ProgramData\InstallMate\EED6BF89\cfg\1.ini

Filesize
368B

MD5
3a9830a2f57ef1e602de02bd9cc8eb56

SHA1
5135a0295755e536b833c6c6010900ff99cdbabf

SHA256
8d138bedf3228f7ef9405940526a73f49395fd2917aa22e7d5596297e222da42

SHA512
87ed85acdc1509bb02e437f50e7a90695f66b2a7a996a526f0310ba277de9ce8d7343983e2ae0b5dbedcca832bb90da802d7182972f1b14be0a203cfbd14cc41

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tsu96CEAF6C.dll

Filesize
269KB

MD5
af7ce801c8471c5cd19b366333c153c4

SHA1
4267749d020a362edbd25434ad65f98b073581f1

SHA256
cf7e00ba429bc9f27ccfacc49ae367054f40ada6cede9f513cc29a24e88bf49e

SHA512
88655bd940e9b540c4df551fe68135793eceed03f94389b0654637a18b252bf4d3ef73b0c49548b5fa6ba2cf6d9aff79335c4ebcc0b668e008bcc62c40d2a73c

Download Submit
C:\Users\Admin\AppData\Local\Temp\_tin674E.bat

Filesize
50B

MD5
2545dec37bfc5f943ce29494574096ef

SHA1
051c8bd3b57fc8807f547ddf4bb630e7d79d61ae

SHA256
730b08d38cae0c4944fa48a4ae80c2df624cdb0c453571dfab2d0a2c71fbac1a

SHA512
076950384357d0359869c88fc37a646d0748ce293061d4058ddd4b7da5c43046676d9f154521f001ff903bc56242cf560784534a255511474fb46e0aae346773

Download Submit
C:\Users\Admin\AppData\Local\Temp\{431B09C6-FCDB-4EDB-AC30-B4F998F82B30}\Custom.dll

Filesize
91KB

MD5
81856796ffc64fadd39fa921a1b45ddb

SHA1
360313131e7ae57002c2403dfc48bc20718d2cb0

SHA256
ec9146dfb838ad477bdf3cbde578baf014c8151d741559568dcb3803d6c9a0eb

SHA512
299771bc1f57eeb59665cfcfaedd0c4c196771173f1b65cfa21a1592ab46ab8a1733ef4a7560a74adde00c075dc7147ab9d0a885c5c7e0218f1f955b39aa2be0

Download Submit
C:\Users\Admin\AppData\Local\Temp\{431B09C6-FCDB-4EDB-AC30-B4F998F82B30}\_Setup.dll

Filesize
173KB

MD5
40ff5ae516fc869ef29e59f018d8f17f

SHA1
ed8642cf6c47a331037a01ccd27e92f94ffa9835

SHA256
e35b1cbd557c01edde9ea29e44a6fc11dee2d131964070b15b6f0f1bc5a5ec83

SHA512
8da81741a31f84490c9c25990fc17cb0c4a75ba6a7ff03069413d5dc6f49cafd97118a7bb4af94d10768be895b086b7ea1d5c49d27e0110587fdaf6fd7129cbc

Download Submit
memory/4276-135-0x0000000000000000-mapping.dmp

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