b97e67fd7ba7bd72f72ca66b21dfe026c9f379fd8c36478e3ac34a48d9cd86b8

Analysis

max time kernel
144s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 17:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8cf3558fdb2a440d596faabd4e39fe8a.pdf
Size

112KB
MD5

8cf3558fdb2a440d596faabd4e39fe8a
SHA1

4410e12aa152636176b58a8e9916feb90027f5ff
SHA256

b97e67fd7ba7bd72f72ca66b21dfe026c9f379fd8c36478e3ac34a48d9cd86b8
SHA512

34c71f24129b3db63a5987e550ade37471f48af85b883caa102c5267c3ffd7ec93e5a6b5726c20c2565e2575dc3122fe3c12925d09fd254714f8b6f6639e9963
SSDEEP

768:ZePWZSVsV1YPveYmYGbLB/vbQNK775BoQ4mijVJipEhiD6T+bIxp0sO9PGVigGZw:a

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3228	AcroRd32.exe
3228	AcroRd32.exe
3228	AcroRd32.exe
3228	AcroRd32.exe
3228	AcroRd32.exe
3228	AcroRd32.exe
3228	AcroRd32.exe
3228	AcroRd32.exe
3228	AcroRd32.exe
3228	AcroRd32.exe
3228	AcroRd32.exe
3228	AcroRd32.exe
3228	AcroRd32.exe
3228	AcroRd32.exe
3228	AcroRd32.exe
3228	AcroRd32.exe
3228	AcroRd32.exe
3228	AcroRd32.exe
3228	AcroRd32.exe
3228	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3228	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3228	AcroRd32.exe
3228	AcroRd32.exe
3228	AcroRd32.exe
3228	AcroRd32.exe
3228	AcroRd32.exe
3228	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3228 wrote to memory of 1816	3228	AcroRd32.exe	86
PID 3228 wrote to memory of 1816	3228	AcroRd32.exe	86
PID 3228 wrote to memory of 1816	3228	AcroRd32.exe	86
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 4212	1816	RdrCEF.exe	88
PID 1816 wrote to memory of 1736	1816	RdrCEF.exe	87
PID 1816 wrote to memory of 1736	1816	RdrCEF.exe	87
PID 1816 wrote to memory of 1736	1816	RdrCEF.exe	87
PID 1816 wrote to memory of 1736	1816	RdrCEF.exe	87
PID 1816 wrote to memory of 1736	1816	RdrCEF.exe	87
PID 1816 wrote to memory of 1736	1816	RdrCEF.exe	87
PID 1816 wrote to memory of 1736	1816	RdrCEF.exe	87
PID 1816 wrote to memory of 1736	1816	RdrCEF.exe	87
PID 1816 wrote to memory of 1736	1816	RdrCEF.exe	87
PID 1816 wrote to memory of 1736	1816	RdrCEF.exe	87
PID 1816 wrote to memory of 1736	1816	RdrCEF.exe	87
PID 1816 wrote to memory of 1736	1816	RdrCEF.exe	87
PID 1816 wrote to memory of 1736	1816	RdrCEF.exe	87
PID 1816 wrote to memory of 1736	1816	RdrCEF.exe	87
PID 1816 wrote to memory of 1736	1816	RdrCEF.exe	87
PID 1816 wrote to memory of 1736	1816	RdrCEF.exe	87
PID 1816 wrote to memory of 1736	1816	RdrCEF.exe	87
PID 1816 wrote to memory of 1736	1816	RdrCEF.exe	87
PID 1816 wrote to memory of 1736	1816	RdrCEF.exe	87
PID 1816 wrote to memory of 1736	1816	RdrCEF.exe	87

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\8cf3558fdb2a440d596faabd4e39fe8a.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:3228
- 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:1816
- - 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=E2C6DC1436D05C568387A81F9BBDB5FD --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=E2C6DC1436D05C568387A81F9BBDB5FD --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1736
- - 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=7DD1FD1CD3F947D81AA1E95D91B42575 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4212
- - 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=C8A2358365D23594885B75CF40927D48 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1588
- - 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=04CC21A5E860D653E57E0E157D43B8DB --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3580
- - 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=ADABB2433F4AA6E3F70A99F7524C663C --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3728
- - 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=D1823CF8586CB4DEB597D3CE77DC4AEB --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=D1823CF8586CB4DEB597D3CE77DC4AEB --renderer-client-id=8 --mojo-platform-channel-handle=2400 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1692

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2612

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
ee4c7caaf3108de31953985fc52f9185

SHA1
1c0ab1ee1baf449894efbc24ee19d81bdd7572c5

SHA256
54ae6994069befc700b79a3b92981b225eda77ed7b8230f1be2b0ce44be81c02

SHA512
7573c47804e991c3128423f4466ed7bbc32c34c673825d96b2cc28f53b8c144095b52c7278b4dddb793454770ab9b3ed09f6a63dd40eb383acc62df965079fd0

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