27f0cafcb871310039a3e725532cced51b305de1c74bfbf6d9ca837731d2c246

Analysis

max time kernel
161s
max time network
166s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 05:01

Sharing

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General

Target

6ca28b1dab7d807559cc6a18197110b7.pdf
Size

93KB
MD5

6ca28b1dab7d807559cc6a18197110b7
SHA1

1443c96b526026b420788b438a7ddd0cdafc89b7
SHA256

27f0cafcb871310039a3e725532cced51b305de1c74bfbf6d9ca837731d2c246
SHA512

2902b6998f31f190abe24eb8ea31c1e0e53d600d4855aa896ed83f274920b0e54c55bf644e4ef1d390c90fc85042ea63938dcd6d4b4cbee081cfa1209ee234ae
SSDEEP

1536:xunkPXhnZj40dO1msKbOaKH6EZFBmjLQ/+rSVWdS3ebtlbwWuWuvuQl0HK2kZDV/:LiCbOvHtZ3mjE/+mMS3ebbjgCK2kVVtV

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2004	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 2420	2004	AcroRd32.exe	94
PID 2004 wrote to memory of 2420	2004	AcroRd32.exe	94
PID 2004 wrote to memory of 2420	2004	AcroRd32.exe	94
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3832	2420	RdrCEF.exe	96
PID 2420 wrote to memory of 3752	2420	RdrCEF.exe	97
PID 2420 wrote to memory of 3752	2420	RdrCEF.exe	97
PID 2420 wrote to memory of 3752	2420	RdrCEF.exe	97
PID 2420 wrote to memory of 3752	2420	RdrCEF.exe	97
PID 2420 wrote to memory of 3752	2420	RdrCEF.exe	97
PID 2420 wrote to memory of 3752	2420	RdrCEF.exe	97
PID 2420 wrote to memory of 3752	2420	RdrCEF.exe	97
PID 2420 wrote to memory of 3752	2420	RdrCEF.exe	97
PID 2420 wrote to memory of 3752	2420	RdrCEF.exe	97
PID 2420 wrote to memory of 3752	2420	RdrCEF.exe	97
PID 2420 wrote to memory of 3752	2420	RdrCEF.exe	97
PID 2420 wrote to memory of 3752	2420	RdrCEF.exe	97
PID 2420 wrote to memory of 3752	2420	RdrCEF.exe	97
PID 2420 wrote to memory of 3752	2420	RdrCEF.exe	97
PID 2420 wrote to memory of 3752	2420	RdrCEF.exe	97
PID 2420 wrote to memory of 3752	2420	RdrCEF.exe	97
PID 2420 wrote to memory of 3752	2420	RdrCEF.exe	97
PID 2420 wrote to memory of 3752	2420	RdrCEF.exe	97
PID 2420 wrote to memory of 3752	2420	RdrCEF.exe	97
PID 2420 wrote to memory of 3752	2420	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\6ca28b1dab7d807559cc6a18197110b7.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:2004
- 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:2420
- - 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=3093648B0E2096A927ED47C63D34EF13 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=36CB5C9596787808D266922681D66AAE --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=36CB5C9596787808D266922681D66AAE --renderer-client-id=2 --mojo-platform-channel-handle=1692 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3752
- - 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=687DAEFBD85D310075A4A69211918B20 --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=687DAEFBD85D310075A4A69211918B20 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:8
- - 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=B801F19045A1E4530E43AEF507272620 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1604
- - 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=663B31227043907EF0453FFDFAC56AB3 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1840
- - 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=631443A2AE450C3DED6B23D1EA2BEC60 --mojo-platform-channel-handle=2480 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5032

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:632

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

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Downloads

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

Filesize
64KB

MD5
6d9477f3f9e2f7ae2d73ef9f6d92cc3c

SHA1
cd935590cfcdaf801c4308de7580ebcd6e82f676

SHA256
5703861c2559d1ed463f7639d346d9367923a4b5f7869fda5af0341fcc65233b

SHA512
45320553b91611d6c82035416ae2d3016829f3148a25759ea4898af37bc53f1847f91218e60bf5657bf65601bf31a630d6a74fe8fdb6af3332ae06a44af080f2

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