ba3d8f2bec32b926361fbc1c2bbf267637cfed7e63a58170a89543f86c3e3777

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
18-07-2023 16:12

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General

Target

c5f18e0b9246bc_JC.exe
Size

101KB
MD5

c5f18e0b9246bc9879e588e93590adee
SHA1

babe4e14eb80df5cafce918d7499f1c37df911e3
SHA256

ba3d8f2bec32b926361fbc1c2bbf267637cfed7e63a58170a89543f86c3e3777
SHA512

27b02843ca51ee1b925db35a2dbe1a61b5ca07e7ad362ef7beaa59c313b884974c78f2b512b9151d27b6ae938e922775979d19a38048c32c722c51652facc28e
SSDEEP

1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpQbCJjMcof:AnBdOOtEvwDpj6z5

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2088	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1308	c5f18e0b9246bc_JC.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1308-54-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/files/0x000a000000012029-65.dat	upx
behavioral1/memory/1308-69-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/memory/2088-70-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/files/0x000a000000012029-67.dat	upx
behavioral1/files/0x000a000000012029-79.dat	upx
behavioral1/memory/2088-80-0x0000000000500000-0x000000000050F000-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 1308 wrote to memory of 2088	1308	c5f18e0b9246bc_JC.exe	28
PID 1308 wrote to memory of 2088	1308	c5f18e0b9246bc_JC.exe	28
PID 1308 wrote to memory of 2088	1308	c5f18e0b9246bc_JC.exe	28
PID 1308 wrote to memory of 2088	1308	c5f18e0b9246bc_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\c5f18e0b9246bc_JC.exe
"C:\Users\Admin\AppData\Local\Temp\c5f18e0b9246bc_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1308
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2088

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
101KB

MD5
f13c93b7d79d0491bd4172a668daede3

SHA1
e90e5cdf1bc6b1f1c8726bee4b4a4978075d6256

SHA256
58c38b2a280ca3c779c95cb3d96cbef4c80f68b27e8911d6b576ac9e3fc7ec2a

SHA512
5515a73af37a11d5b8258beea3030a5b1daf7528b4c8c29065be91ec9f1b612ed42a1c75da2705b73cc325980d7884b2432d1cb9a135df1d42a38820d4427852

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

Filesize
101KB

MD5
f13c93b7d79d0491bd4172a668daede3

SHA1
e90e5cdf1bc6b1f1c8726bee4b4a4978075d6256

SHA256
58c38b2a280ca3c779c95cb3d96cbef4c80f68b27e8911d6b576ac9e3fc7ec2a

SHA512
5515a73af37a11d5b8258beea3030a5b1daf7528b4c8c29065be91ec9f1b612ed42a1c75da2705b73cc325980d7884b2432d1cb9a135df1d42a38820d4427852

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

Filesize
101KB

MD5
f13c93b7d79d0491bd4172a668daede3

SHA1
e90e5cdf1bc6b1f1c8726bee4b4a4978075d6256

SHA256
58c38b2a280ca3c779c95cb3d96cbef4c80f68b27e8911d6b576ac9e3fc7ec2a

SHA512
5515a73af37a11d5b8258beea3030a5b1daf7528b4c8c29065be91ec9f1b612ed42a1c75da2705b73cc325980d7884b2432d1cb9a135df1d42a38820d4427852

Download Submit
memory/1308-54-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/1308-55-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1308-56-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1308-57-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1308-69-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2088-70-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2088-72-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2088-73-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2088-80-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download