d56ec167cc13df78ab1c8a21d269c3ea38748fda06e902914a4022a7db15957c

Analysis

max time kernel
141s
max time network
144s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
16/07/2023, 11:21

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General

Target

68d55b02d0f88a_JC.exe
Size

42KB
MD5

68d55b02d0f88a03f1ea22889af1926b
SHA1

8a68fdfab36bb62cd9004e865a54a085825e6365
SHA256

d56ec167cc13df78ab1c8a21d269c3ea38748fda06e902914a4022a7db15957c
SHA512

fc1ec03e7590d65a26e2dec72f432b290cd5de05ce5a1327d3fe6fa5bd23d10e97f281425e84076ba2c03dae78d6eaa3c5b1acdb54a29ac3833fcd38f05c7bbc
SSDEEP

768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5aFr7YOzzOM+O90NWerX:qUmnpomddpMOtEvwDpjjaYaFAvCuWSX

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1876	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2660	68d55b02d0f88a_JC.exe

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2660-53-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/files/0x00070000000120ed-64.dat	upx
behavioral1/files/0x00070000000120ed-66.dat	upx
behavioral1/memory/1876-69-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/memory/2660-68-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/files/0x00070000000120ed-78.dat	upx
behavioral1/memory/1876-79-0x0000000000500000-0x000000000050F000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2660 wrote to memory of 1876	2660	68d55b02d0f88a_JC.exe	28
PID 2660 wrote to memory of 1876	2660	68d55b02d0f88a_JC.exe	28
PID 2660 wrote to memory of 1876	2660	68d55b02d0f88a_JC.exe	28
PID 2660 wrote to memory of 1876	2660	68d55b02d0f88a_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\68d55b02d0f88a_JC.exe
"C:\Users\Admin\AppData\Local\Temp\68d55b02d0f88a_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2660
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1876

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
43KB

MD5
bc113a7653af7949fb3f0a2b325834f8

SHA1
6024173e316503cb68a54586acfa1b99ad988e13

SHA256
558e7891af6618f9f1e8cd77a18e2200d4b28ecb0e488a6062a7f53cd8fd43b2

SHA512
9eaa20e341da7271017301df309d9de856b3d81a91b9abc98a50772b7fbe11fdadc526e0ccc38833326b9844dd1cb97950d4d154beff07b8f3128423a60fd284

Download Submit
C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
43KB

MD5
bc113a7653af7949fb3f0a2b325834f8

SHA1
6024173e316503cb68a54586acfa1b99ad988e13

SHA256
558e7891af6618f9f1e8cd77a18e2200d4b28ecb0e488a6062a7f53cd8fd43b2

SHA512
9eaa20e341da7271017301df309d9de856b3d81a91b9abc98a50772b7fbe11fdadc526e0ccc38833326b9844dd1cb97950d4d154beff07b8f3128423a60fd284

Download Submit
\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
43KB

MD5
bc113a7653af7949fb3f0a2b325834f8

SHA1
6024173e316503cb68a54586acfa1b99ad988e13

SHA256
558e7891af6618f9f1e8cd77a18e2200d4b28ecb0e488a6062a7f53cd8fd43b2

SHA512
9eaa20e341da7271017301df309d9de856b3d81a91b9abc98a50772b7fbe11fdadc526e0ccc38833326b9844dd1cb97950d4d154beff07b8f3128423a60fd284

Download Submit
memory/1876-69-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/1876-72-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1876-71-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/1876-79-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2660-53-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2660-54-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2660-56-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2660-55-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2660-68-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download