d5cf1bb72a32d9affc39699e947e287bdca361501f6578d7066b06ad5b8e8a04

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
15/07/2023, 11:00

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General

Target

3b46fd285baa2cexeexe_JC.exe
Size

100KB
MD5

3b46fd285baa2cb5e101123d6182b0ca
SHA1

dead4426af154b7793d520d0104cb471f3daadac
SHA256

d5cf1bb72a32d9affc39699e947e287bdca361501f6578d7066b06ad5b8e8a04
SHA512

f25f3816db12a25b0b673f9cd2b141616fdf296708a15a7278804d37a1acc193d20ce5271e0eeaea47f4d98f50d648a4c2bd0a8a11e81b2dc852f0523629b563
SSDEEP

1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6GC5:1nK6a+qdOOtEvwDpjA

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1740	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
816	3b46fd285baa2cexeexe_JC.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/816-54-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral1/files/0x0008000000012026-65.dat	upx
behavioral1/memory/816-69-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral1/memory/1740-71-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral1/files/0x0008000000012026-70.dat	upx
behavioral1/files/0x0008000000012026-80.dat	upx
behavioral1/memory/1740-81-0x0000000000500000-0x000000000050F311-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 816 wrote to memory of 1740	816	3b46fd285baa2cexeexe_JC.exe	28
PID 816 wrote to memory of 1740	816	3b46fd285baa2cexeexe_JC.exe	28
PID 816 wrote to memory of 1740	816	3b46fd285baa2cexeexe_JC.exe	28
PID 816 wrote to memory of 1740	816	3b46fd285baa2cexeexe_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\3b46fd285baa2cexeexe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\3b46fd285baa2cexeexe_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:816
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1740

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
100KB

MD5
9fda3a307745a8f6e76b552cc39bcaa4

SHA1
42ab00874a02cceeb7931823210dbb3b17f7c08f

SHA256
cd5b3226d40779a0386af077b5039fd148a8582e00335590fc52caaa5dc31715

SHA512
f2b584bc6de4ed9e201f56e4d68d2dbe036c23818fa4c18aa78d35f8ec8e49756dd46599b9283198e7a09f85e6b6aadd1012a637a24fd3c09ba061feea1bd7c0

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

Filesize
100KB

MD5
9fda3a307745a8f6e76b552cc39bcaa4

SHA1
42ab00874a02cceeb7931823210dbb3b17f7c08f

SHA256
cd5b3226d40779a0386af077b5039fd148a8582e00335590fc52caaa5dc31715

SHA512
f2b584bc6de4ed9e201f56e4d68d2dbe036c23818fa4c18aa78d35f8ec8e49756dd46599b9283198e7a09f85e6b6aadd1012a637a24fd3c09ba061feea1bd7c0

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

Filesize
100KB

MD5
9fda3a307745a8f6e76b552cc39bcaa4

SHA1
42ab00874a02cceeb7931823210dbb3b17f7c08f

SHA256
cd5b3226d40779a0386af077b5039fd148a8582e00335590fc52caaa5dc31715

SHA512
f2b584bc6de4ed9e201f56e4d68d2dbe036c23818fa4c18aa78d35f8ec8e49756dd46599b9283198e7a09f85e6b6aadd1012a637a24fd3c09ba061feea1bd7c0

Download Submit
memory/816-55-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/816-57-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/816-56-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/816-69-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/816-54-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/816-68-0x0000000002800000-0x0000000002810000-memory.dmp

Filesize
64KB

Download
memory/1740-71-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/1740-73-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1740-74-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/1740-81-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download