fb8920f6d31bcd72d3c7ef3741c6491a457c2f4505dad83051a7a56e204bd989

Analysis

max time kernel
150s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14/01/2024, 00:25

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General

Target

59ccbebe9f0a6d21e9ea4720c1aa5edd.pdf
Size

40KB
MD5

59ccbebe9f0a6d21e9ea4720c1aa5edd
SHA1

f6c8117ae0682689b9be98b43cda517bf6c8da38
SHA256

fb8920f6d31bcd72d3c7ef3741c6491a457c2f4505dad83051a7a56e204bd989
SHA512

95ec2d758eab55f882aa9807a77efa6ae3a89c0950543306302757b7871917644915bf2f1b093f73fc3c34520c7675a3a6f211713f07bc550eb9c3d91ce1b433
SSDEEP

768:rdklyp/Wpb9SdH+qvD2ZKhQ+CH412bF6e+flWfO6zs:mkVWaH+q2KhA44IlWfzs

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2528	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 3316	2528	AcroRd32.exe	95
PID 2528 wrote to memory of 3316	2528	AcroRd32.exe	95
PID 2528 wrote to memory of 3316	2528	AcroRd32.exe	95
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3580	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3664	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3664	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3664	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3664	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3664	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3664	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3664	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3664	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3664	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3664	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3664	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3664	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3664	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3664	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3664	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3664	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3664	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3664	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3664	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3664	3316	RdrCEF.exe	97

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\59ccbebe9f0a6d21e9ea4720c1aa5edd.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:2528
- 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:3316
- - 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=FCF1E3C9EBA2AB223FD8FB25F39EACFD --mojo-platform-channel-handle=1740 --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=FF8C21E97CF2A2D4CB67A2F1B4107448 --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=FF8C21E97CF2A2D4CB67A2F1B4107448 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3664
- - 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=8114D9C23AB0B887CFF1705F9BD37552 --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=8114D9C23AB0B887CFF1705F9BD37552 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1052
- - 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=831C9AEAD844BD18DE93DFBB633B23B2 --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3972
- - 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=4A73DD99B3A0EF800D977126B27F740D --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3028
- - 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=4CE382CA433E8E91E11B342BE88B22BD --mojo-platform-channel-handle=2596 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3180

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:748

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
4bcab401eeb6a6d13058ba17fe8940f7

SHA1
c35d39d0d8d2953547599921cfd0defccee53269

SHA256
c95e1c7fa07e76fb32457fca16f4fbcead1f22d1eef421b63583b2eb67c785b7

SHA512
14e95fb1c6b3a7532a93cf8cfd47bf74010b106a9b49ab65368e9b181952ec77585a7f1b46b05564100cd3af04a85270d529aab14e0c570e378fa635a55a0a0f

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