6b0f086ec178fee207cba34350cd41c3f77fec9bae0b4c47c55484f8ecf5b3eb

Resubmissions

22/08/2023, 09:43

230822-lpwydabe28 3

22/08/2023, 08:07

230822-jz97mscd8x 3

Analysis

max time kernel
149s
max time network
126s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
22/08/2023, 09:43

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General

Target

Service2U 28.apk
Size

7.4MB
MD5

688ac120f79605bf7125a17166af897f
SHA1

8744fbae0be88ae6c45f52eb0fa4c37eb0b38f49
SHA256

6b0f086ec178fee207cba34350cd41c3f77fec9bae0b4c47c55484f8ecf5b3eb
SHA512

de92f9eddf14a2fe98ef5ced83820852edb97d05dc2d7bfadd5944300c731951ddcbb13d7728d907c1dd787d8982fa4afa0ab41b18708ecb4fba8a2d2bfe7b9e
SSDEEP

24576:Ac303HZYY5noJ8ITIz0evJxWePIj5ATW3Wd3flEgmPJHx+qVNKiS142ZFzky0gRL:vEX1s8YNQD7RGxwq3Kn14iFDxMSZ

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-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\apk_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\apk_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\.apk\ = "apk_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\.apk	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\apk_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\apk_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\apk_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000_CLASSES\apk_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2828	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2828	AcroRd32.exe
2828	AcroRd32.exe
2828	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 2112	2492	cmd.exe	29
PID 2492 wrote to memory of 2112	2492	cmd.exe	29
PID 2492 wrote to memory of 2112	2492	cmd.exe	29
PID 2112 wrote to memory of 2828	2112	rundll32.exe	30
PID 2112 wrote to memory of 2828	2112	rundll32.exe	30
PID 2112 wrote to memory of 2828	2112	rundll32.exe	30
PID 2112 wrote to memory of 2828	2112	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Service2U 28.apk"
1⤵
- Suspicious use of WriteProcessMemory
PID:2492
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Service2U 28.apk
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2112
- - 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\Service2U 28.apk"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
147540ec13435aa1c9e60586253fec43

SHA1
d10058fea3989721cafceb49061d80b6b97540f3

SHA256
2af4722d40aef7eab53ce7001e1e5ee90bec57714ad0ecc128f82e05e5bb93ae

SHA512
65641d07282e6fbd16917c0e1cb9412ec622ed9221b1cf03ec1c2d9394d45ba5bf24f7eead31f355b3cf4f3b72f57b854ad5f5a31bd4cadf7c23835991aa7269

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