e7c9e8ba3c0dc98fc22b5564c29ad8cd9fe2e08c05b37c860de6e798fc781d6e

Analysis

max time kernel
156s
max time network
49s
platform
windows7_x64
resource
win7-20230703-en
resource tags

arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system
submitted
11/07/2023, 02:43

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General

Target

x-0006-battleclass-manager.rpyc
Size

8KB
MD5

1b0d7c04dbd2e22dea362b0e2ce3fa01
SHA1

603cd83c5a01142aecbbbcc1cf29a99d014f3eaf
SHA256

be0a74f30ba6671486bc22246a458ce3d68bfa6e903d1f4c4e56357f3118b03d
SHA512

c767d02d2217ccea0519c353ecf1d86d33f9888af047812fb4b746924d0c43664921d8f2ef38d48a4fa6c3ad71e320301b4c6fde66e53d5309f54a278856a331
SSDEEP

192:77BOHahQzBzuAvuldQ/FvLxrZwkti0DzN7BOHahQzBzuAvuldQ/FvLxrZwkti0DD:77BzKzBz5iIFvLxr7tT17BzKzBz5iIFj

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000_CLASSES\rpyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000_CLASSES\rpyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000_CLASSES\rpyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000_CLASSES\.rpyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000_CLASSES\rpyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000_CLASSES\.rpyc\ = "rpyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000_CLASSES\rpyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1305762978-1813183296-1799492538-1000_CLASSES\rpyc_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2084	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2084	AcroRd32.exe
2084	AcroRd32.exe
2084	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 2996	2256	cmd.exe	30
PID 2256 wrote to memory of 2996	2256	cmd.exe	30
PID 2256 wrote to memory of 2996	2256	cmd.exe	30
PID 2996 wrote to memory of 2084	2996	rundll32.exe	31
PID 2996 wrote to memory of 2084	2996	rundll32.exe	31
PID 2996 wrote to memory of 2084	2996	rundll32.exe	31
PID 2996 wrote to memory of 2084	2996	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\x-0006-battleclass-manager.rpyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\x-0006-battleclass-manager.rpyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2996
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\x-0006-battleclass-manager.rpyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2084

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

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
a55e23cf6cdd732a994fd498a58cd6eb

SHA1
2703907fbe5d417e2306766aa127c5f0021ef758

SHA256
a3d155df1762a40d5cc2ffe74e687fd64a527ae3417953579946cec19a2a07b8

SHA512
86351065b85e54144811329aab92b5afc5cbbb059f721320bba513fff06965160f7cfd92d99933bb6df9233a4f7e44f2b3b3e6e6652778f7baae9edf986dbe77

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