a3314ddf8ede195a3abe8e1a799a5a152ed1ecf0a9bedd64d5963d6ec3e33b23

Analysis

max time kernel
152s
max time network
159s
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, 13:01

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General

Target

37199309b48332de552e9866ba375423.pdf
Size

42KB
MD5

37199309b48332de552e9866ba375423
SHA1

5ff732dcf66933eeec03bf7ca60027c11e702630
SHA256

a3314ddf8ede195a3abe8e1a799a5a152ed1ecf0a9bedd64d5963d6ec3e33b23
SHA512

7cc9b7b965e436689c1de98869767d8b51b8904f36155a7254045b1986284e27cd799a283d761578735b5b8e8a86ba9507e504b54a66f4edb138f12a43cb1c2f
SSDEEP

768:UN9ZaVwCZBKz84mqDEHSUffd7sBmZrlhEMPMJfoAELJkChN:4ZiA8DFfV7MQ75mo9tN

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4956	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4956 wrote to memory of 3392	4956	AcroRd32.exe	90
PID 4956 wrote to memory of 3392	4956	AcroRd32.exe	90
PID 4956 wrote to memory of 3392	4956	AcroRd32.exe	90
PID 4956 wrote to memory of 3400	4956	AcroRd32.exe	91
PID 4956 wrote to memory of 3400	4956	AcroRd32.exe	91
PID 4956 wrote to memory of 3400	4956	AcroRd32.exe	91
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2156	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2556	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 2556	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 2556	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 2556	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 2556	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 2556	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 2556	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 2556	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 2556	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 2556	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 2556	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 2556	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 2556	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 2556	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 2556	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 2556	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 2556	3392	RdrCEF.exe	95

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\37199309b48332de552e9866ba375423.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:4956
- 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:3392
- - 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=A338CDD5D45689D44F47A0CA1B2D7EA2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2156
- - 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=7A45E9E4C49B92FCB4F172478F1B9BF7 --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=7A45E9E4C49B92FCB4F172478F1B9BF7 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2556
- - 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=54A55841B66DDB026C4D088265DC386E --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=54A55841B66DDB026C4D088265DC386E --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3532
- - 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=750FCAEFADCBD79447B77A48A9D35A02 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2448
- - 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=39C60F6ABE78388C6F889CD53B5F286B --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3992
- - 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=FD83E350FF6A30FAB4531B4F5E81CEF0 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2576
- 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⤵
  PID:3400

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
77e1286f4820c220d72e9ba98be1a4c6

SHA1
b3525d92737a8b2341d59ac615a6f48b81acfb07

SHA256
9c459157d8f9a67d10e3fa60bd6c22e64d37abf0a25b3abe5c071aa1ad9310d3

SHA512
8a05b48098e1374001ffa606f2e06914fd1eb5ca8cc92b507dd26a6d2506a58e6e54792a0f4cbfde0c83da754aadea858cf31ffe078ab36cdfd69ca603810b4c

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/4956-143-0x000000000A6D0000-0x000000000A6FA000-memory.dmp

Filesize
168KB

Download