4b8b85ea21cb1dde21686b79734eb19bac5732cf9f4637edce30e710cb8423dd

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
12-07-2024 16:08

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

INV-000001.pdf
Size

19KB
MD5

97d6d9effcf8ed8a8092fef4932e63c8
SHA1

995af4190f07242118188c2eac0f5ae44df52ed2
SHA256

4b8b85ea21cb1dde21686b79734eb19bac5732cf9f4637edce30e710cb8423dd
SHA512

0bf44b174692cd25cb427254ba071035aa3f31384cbbd7f83f900fef521307f0018919ccf8ee638a4f46895776de99bbd019437c0f5cf671b3d61fbe1f3708d8
SSDEEP

384:sCIf7SdZtvooDBjG/thEks/LrxqxDgHnt1KWHFotT9jctdABNVJA:G7MZtvhxJqeHt1KWlojEABFA

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4800	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4800 wrote to memory of 3640	4800	AcroRd32.exe	86
PID 4800 wrote to memory of 3640	4800	AcroRd32.exe	86
PID 4800 wrote to memory of 3640	4800	AcroRd32.exe	86
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 1804	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 3884	3640	RdrCEF.exe	88
PID 3640 wrote to memory of 3884	3640	RdrCEF.exe	88
PID 3640 wrote to memory of 3884	3640	RdrCEF.exe	88
PID 3640 wrote to memory of 3884	3640	RdrCEF.exe	88
PID 3640 wrote to memory of 3884	3640	RdrCEF.exe	88
PID 3640 wrote to memory of 3884	3640	RdrCEF.exe	88
PID 3640 wrote to memory of 3884	3640	RdrCEF.exe	88
PID 3640 wrote to memory of 3884	3640	RdrCEF.exe	88
PID 3640 wrote to memory of 3884	3640	RdrCEF.exe	88
PID 3640 wrote to memory of 3884	3640	RdrCEF.exe	88
PID 3640 wrote to memory of 3884	3640	RdrCEF.exe	88
PID 3640 wrote to memory of 3884	3640	RdrCEF.exe	88
PID 3640 wrote to memory of 3884	3640	RdrCEF.exe	88
PID 3640 wrote to memory of 3884	3640	RdrCEF.exe	88
PID 3640 wrote to memory of 3884	3640	RdrCEF.exe	88
PID 3640 wrote to memory of 3884	3640	RdrCEF.exe	88
PID 3640 wrote to memory of 3884	3640	RdrCEF.exe	88
PID 3640 wrote to memory of 3884	3640	RdrCEF.exe	88
PID 3640 wrote to memory of 3884	3640	RdrCEF.exe	88
PID 3640 wrote to memory of 3884	3640	RdrCEF.exe	88

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\INV-000001.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4800
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3640
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=A32DDAE0D42EAF21AB4772B492E0D242 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1804
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=4B2830181810DBB8790DAD97AE463B89 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=4B2830181810DBB8790DAD97AE463B89 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3884
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=7B5A2DD6E0F27E56332C30C4FDD145ED --mojo-platform-channel-handle=2140 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4592
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=90BA43D3498E198954169B66079B2D07 --mojo-platform-channel-handle=2396 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1368
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=6596EC75C8742496B4386EC6055D90BF --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:524
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=832304CDD7641E1942E168540EA23548 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=832304CDD7641E1942E168540EA23548 --renderer-client-id=7 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4572

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1492

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
959721d9854791e65eb231c5429b05b9

SHA1
da91566c5f80cd7f11be3b9a9f4ddfc2a4829eb9

SHA256
690da3f37f554cbe043ca7bb97faea048fa1afea072f51ae99d229bcf56fea70

SHA512
2236b80de0868d8027e62af1c2cddee841dfe690e9dc3ceca5854e780374d07690ac525fff6c30069559bf6fd19356d47277560378a244e7bb4b81624fa8d8cb

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/4800-122-0x000000000A6D0000-0x000000000A97B000-memory.dmp

Filesize
2.7MB

Download