9e9ad42a4bb31c4574b95aa57b534eeb25f068f8ed8f8691e4687e01cd13102f

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
27/06/2024, 08:35

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General

Target

F7DFE1892338FF3CF8ACE957F4B8346750E933CDFDBF1E3076634D48B4868D9A.apk
Size

52.7MB
MD5

af70cfa317ec773e83fa2c0ed95546db
SHA1

cab301aaefdc841d14413723e3084920b2110c71
SHA256

9e9ad42a4bb31c4574b95aa57b534eeb25f068f8ed8f8691e4687e01cd13102f
SHA512

80b98d516f6d023e705e39db45322df1a0ae96a34b0cc9a9f6916d5e96778a85b3feec9bb826420f12ae54f7a793a19dcf0e3fa9557e7e90bd440df09c21ab0a
SSDEEP

786432:yxND1Cq62mWRDZA9gDECmtvWHlbaRmtQE1PIjhjppCiBrUWwz8dzsYFrH2uCShTY:Iwqz/RS9KEN1WHlIYwTJU2p92DiR6F

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
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\apk_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\apk_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_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-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\apk_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\apk_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.apk\ = "apk_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.apk	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\apk_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2784	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2784	AcroRd32.exe
2784	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 3020	2080	cmd.exe	29
PID 2080 wrote to memory of 3020	2080	cmd.exe	29
PID 2080 wrote to memory of 3020	2080	cmd.exe	29
PID 3020 wrote to memory of 2784	3020	rundll32.exe	30
PID 3020 wrote to memory of 2784	3020	rundll32.exe	30
PID 3020 wrote to memory of 2784	3020	rundll32.exe	30
PID 3020 wrote to memory of 2784	3020	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\F7DFE1892338FF3CF8ACE957F4B8346750E933CDFDBF1E3076634D48B4868D9A.apk
1⤵
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\F7DFE1892338FF3CF8ACE957F4B8346750E933CDFDBF1E3076634D48B4868D9A.apk
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3020
- - 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\F7DFE1892338FF3CF8ACE957F4B8346750E933CDFDBF1E3076634D48B4868D9A.apk"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2784

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
e1e5620be06a5271abe23652c8de2d5c

SHA1
ccb6b278d8b9a97610f5125098e7105c884378ac

SHA256
6ec95000a153217f43609dd11eaa09aa7cc1fdf1019349898b15d828ce25d3a2

SHA512
d46c3b00eaf8d7809d00c0b387e47ea854d7c36d421e2e01acc52864d6787d3fcbafae14b8cb83d816dc02d31b8f462722e990a526a8f61f2a36e0baa2cd2a30

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