8a55d931020ac2d10d4aa165bef7724282d5203faca6d4b6569691a3d2784fd1

General

Target

8a55d931020ac2d10d4aa165bef7724282d5203faca6d4b6569691a3d2784fd1.exe
Size

5.6MB
MD5

b22d3da056e3413355062ef38035547d
SHA1

e17955c3cc3d736ea3f4d32bb75e7006e3b8b526
SHA256

8a55d931020ac2d10d4aa165bef7724282d5203faca6d4b6569691a3d2784fd1
SHA512

a8323a3760cae38c58595ffac2695f9998d00b3f374ed5714ec357a03aa43928825dc82193817f595417734a775a85a8ec5a6c0e45bb22c354b1d33b51838f60
SSDEEP

98304:OAd6E4+L6/7FiRQo64k1f+eszFCH7rQInk0X8DI8c0RXRlbVlwtT8:8E4+G8QoCFsIH77nNX8DRpXRlxC8

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

8a55d931020ac2d10d4aa165bef7724282d5203faca6d4b6569691a3d2784fd1.tmp

pid process

4668 8a55d931020ac2d10d4aa165bef7724282d5203faca6d4b6569691a3d2784fd1.tmp

Loads dropped DLL 4 IoCs

Processes:

8a55d931020ac2d10d4aa165bef7724282d5203faca6d4b6569691a3d2784fd1.tmp

pid	process
4668	8a55d931020ac2d10d4aa165bef7724282d5203faca6d4b6569691a3d2784fd1.tmp
4668	8a55d931020ac2d10d4aa165bef7724282d5203faca6d4b6569691a3d2784fd1.tmp
4668	8a55d931020ac2d10d4aa165bef7724282d5203faca6d4b6569691a3d2784fd1.tmp
4668	8a55d931020ac2d10d4aa165bef7724282d5203faca6d4b6569691a3d2784fd1.tmp

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

8a55d931020ac2d10d4aa165bef7724282d5203faca6d4b6569691a3d2784fd1.tmp

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	8a55d931020ac2d10d4aa165bef7724282d5203faca6d4b6569691a3d2784fd1.tmp
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	8a55d931020ac2d10d4aa165bef7724282d5203faca6d4b6569691a3d2784fd1.tmp

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

8a55d931020ac2d10d4aa165bef7724282d5203faca6d4b6569691a3d2784fd1.exe

description	pid	process	target process
PID 4544 wrote to memory of 4668	4544	8a55d931020ac2d10d4aa165bef7724282d5203faca6d4b6569691a3d2784fd1.exe	8a55d931020ac2d10d4aa165bef7724282d5203faca6d4b6569691a3d2784fd1.tmp
PID 4544 wrote to memory of 4668	4544	8a55d931020ac2d10d4aa165bef7724282d5203faca6d4b6569691a3d2784fd1.exe	8a55d931020ac2d10d4aa165bef7724282d5203faca6d4b6569691a3d2784fd1.tmp
PID 4544 wrote to memory of 4668	4544	8a55d931020ac2d10d4aa165bef7724282d5203faca6d4b6569691a3d2784fd1.exe	8a55d931020ac2d10d4aa165bef7724282d5203faca6d4b6569691a3d2784fd1.tmp

C:\Users\Admin\AppData\Local\Temp\8a55d931020ac2d10d4aa165bef7724282d5203faca6d4b6569691a3d2784fd1.exe
"C:\Users\Admin\AppData\Local\Temp\8a55d931020ac2d10d4aa165bef7724282d5203faca6d4b6569691a3d2784fd1.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4544

C:\Users\Admin\AppData\Local\Temp\is-PKVKN.tmp\8a55d931020ac2d10d4aa165bef7724282d5203faca6d4b6569691a3d2784fd1.tmp
"C:\Users\Admin\AppData\Local\Temp\is-PKVKN.tmp\8a55d931020ac2d10d4aa165bef7724282d5203faca6d4b6569691a3d2784fd1.tmp" /SL5="$9003E,5382854,115200,C:\Users\Admin\AppData\Local\Temp\8a55d931020ac2d10d4aa165bef7724282d5203faca6d4b6569691a3d2784fd1.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
PID:4668

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\is-K1VVV.tmp\OptProHelper.dll

Filesize
1.3MB

MD5
8df675e1ada04439f0b3e5693a10ac63

SHA1
b4ccfca06f5a4658146c56c709021b9e7431c517

SHA256
5019fd5fbf7e3f8ec04cdce4f363b77133cc48fe23cc74c596e4334a5765f94e

SHA512
14ef1f7d08cd8ef0b626d7ea0ffe3ef75bcea052b7fa0ed1bbd901e2c16ddae84c0fb1bcbd0006bdb3f59e01f11619eae2b3012cdf0322419ccc7bbad19f4487

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-K1VVV.tmp\OptProHelper.dll

Filesize
1.3MB

MD5
8df675e1ada04439f0b3e5693a10ac63

SHA1
b4ccfca06f5a4658146c56c709021b9e7431c517

SHA256
5019fd5fbf7e3f8ec04cdce4f363b77133cc48fe23cc74c596e4334a5765f94e

SHA512
14ef1f7d08cd8ef0b626d7ea0ffe3ef75bcea052b7fa0ed1bbd901e2c16ddae84c0fb1bcbd0006bdb3f59e01f11619eae2b3012cdf0322419ccc7bbad19f4487

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-K1VVV.tmp\itdownload.dll

Filesize
200KB

MD5
d82a429efd885ca0f324dd92afb6b7b8

SHA1
86bbdaa15e6fc5c7779ac69c84e53c43c9eb20ea

SHA256
b258c4d7d2113dee2168ed7e35568c8e03341e24e3eafc7a22a0d62e32122ef3

SHA512
5bf0c3b8fa5db63205a263c4fa5337188173248bef609ba4d03508c50db1fd1e336f3041ce96d78cc97659357a83e6e422f5b079d893a20a683270e05f5438df

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-K1VVV.tmp\itdownload.dll

Filesize
200KB

MD5
d82a429efd885ca0f324dd92afb6b7b8

SHA1
86bbdaa15e6fc5c7779ac69c84e53c43c9eb20ea

SHA256
b258c4d7d2113dee2168ed7e35568c8e03341e24e3eafc7a22a0d62e32122ef3

SHA512
5bf0c3b8fa5db63205a263c4fa5337188173248bef609ba4d03508c50db1fd1e336f3041ce96d78cc97659357a83e6e422f5b079d893a20a683270e05f5438df

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-PKVKN.tmp\8a55d931020ac2d10d4aa165bef7724282d5203faca6d4b6569691a3d2784fd1.tmp

Filesize
1.1MB

MD5
5de8f5ed25ec1548540d579e11524a09

SHA1
4f30fea456f91b4d2ab012ecd18933aa2eb8ff40

SHA256
379a34d2f07de6cd65f6477f9f6a53d7b94d10964ab6d9465cf63b17f9af7248

SHA512
9cbec2a33b04e328dadeb9f5682d18c02ab1e1da7fdf726a78651aab99951ca93d27dc56cda285a4593ab4ca47ab59652fa8f4f89ac02068cdf3f313e9adf62f

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-PKVKN.tmp\8a55d931020ac2d10d4aa165bef7724282d5203faca6d4b6569691a3d2784fd1.tmp

Filesize
1.1MB

MD5
5de8f5ed25ec1548540d579e11524a09

SHA1
4f30fea456f91b4d2ab012ecd18933aa2eb8ff40

SHA256
379a34d2f07de6cd65f6477f9f6a53d7b94d10964ab6d9465cf63b17f9af7248

SHA512
9cbec2a33b04e328dadeb9f5682d18c02ab1e1da7fdf726a78651aab99951ca93d27dc56cda285a4593ab4ca47ab59652fa8f4f89ac02068cdf3f313e9adf62f

Download Submit
memory/4544-132-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/4544-137-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/4544-144-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/4668-134-0x0000000000000000-mapping.dmp

Download
memory/4668-140-0x00000000032F0000-0x000000000332C000-memory.dmp

Filesize
240KB

Download
memory/4668-143-0x0000000003E10000-0x0000000003F69000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads