2ac7151bf8a5505b36285d9af44d665f3723932bb2631acf95622185ddce89d6

Analysis

max time kernel
146s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 13:20

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General

Target

37c3c3194091553d389c715a3eac5419.pdf
Size

96KB
MD5

37c3c3194091553d389c715a3eac5419
SHA1

afd9b6a534cc829557944d57cae4bf7d12b4ab53
SHA256

2ac7151bf8a5505b36285d9af44d665f3723932bb2631acf95622185ddce89d6
SHA512

fab44afc4ba17b045a6167f885f26ec312c68114ede2ff46d01654648277a487a34b0253c08baaf5aaa8fead5222f369452e8d15e5a51b0c47ca04659618f6c1
SSDEEP

3072:nx8K89bV48L2/7tq8pYXBaK+bX/XS2PE+rcNit:nx8K8ZDi/ZtpfP8U1

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
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4456	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4456 wrote to memory of 976	4456	AcroRd32.exe	92
PID 4456 wrote to memory of 976	4456	AcroRd32.exe	92
PID 4456 wrote to memory of 976	4456	AcroRd32.exe	92
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 3832	976	RdrCEF.exe	93
PID 976 wrote to memory of 4536	976	RdrCEF.exe	94
PID 976 wrote to memory of 4536	976	RdrCEF.exe	94
PID 976 wrote to memory of 4536	976	RdrCEF.exe	94
PID 976 wrote to memory of 4536	976	RdrCEF.exe	94
PID 976 wrote to memory of 4536	976	RdrCEF.exe	94
PID 976 wrote to memory of 4536	976	RdrCEF.exe	94
PID 976 wrote to memory of 4536	976	RdrCEF.exe	94
PID 976 wrote to memory of 4536	976	RdrCEF.exe	94
PID 976 wrote to memory of 4536	976	RdrCEF.exe	94
PID 976 wrote to memory of 4536	976	RdrCEF.exe	94
PID 976 wrote to memory of 4536	976	RdrCEF.exe	94
PID 976 wrote to memory of 4536	976	RdrCEF.exe	94
PID 976 wrote to memory of 4536	976	RdrCEF.exe	94
PID 976 wrote to memory of 4536	976	RdrCEF.exe	94
PID 976 wrote to memory of 4536	976	RdrCEF.exe	94
PID 976 wrote to memory of 4536	976	RdrCEF.exe	94
PID 976 wrote to memory of 4536	976	RdrCEF.exe	94
PID 976 wrote to memory of 4536	976	RdrCEF.exe	94

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\37c3c3194091553d389c715a3eac5419.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:4456
- 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:976
- - 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=4549B1A06DE96EE3BCDE981EAE55DA6C --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=4549B1A06DE96EE3BCDE981EAE55DA6C --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3832
- - 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=2E9D92337273D650BA5CA3019E947216 --mojo-platform-channel-handle=1880 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4536
- - 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=D054F14A49034916C1BB7EDE491AC9FD --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=D054F14A49034916C1BB7EDE491AC9FD --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5096
- - 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=898FF1C318B6A1B18886CD3BA31D806B --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3864
- - 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=B2AC9AF82690174C159283168940FE5D --mojo-platform-channel-handle=2000 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2400
- - 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=23972C30B21337CA0FC77156D6DB6AC4 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1936

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:832

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
0ac7ded52fa560c3c2a6f5298b2cb72c

SHA1
430a9e2a82e27e51a1fbf408c8b0719bd285ad2d

SHA256
d1ac8dbac4815dddb63956f97f44fec5c83be26b12142dd38f8dfcae57f4cb48

SHA512
17cc8c04010b2cf6ed0c00a6cc19f0f4be54b09386fc63d28d625d91b57d4ab270f7409d3215cad6ae841493456f9b92fe037d8d34cde5dd89b47bbf5c41609e

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