cd9563d36447fc56b19766fbeb1ec0a243d56b077c378b35724ddc2e622c062e

Analysis

max time kernel
145s
max time network
147s
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, 22:34

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General

Target

3b3c82ede6099fe68deef63013c8fd4b.pdf
Size

95KB
MD5

3b3c82ede6099fe68deef63013c8fd4b
SHA1

08e411c46f8d9d1959b416f7c92e47feadf1b244
SHA256

cd9563d36447fc56b19766fbeb1ec0a243d56b077c378b35724ddc2e622c062e
SHA512

a571fa727268068e1a767be167b65e67cd7ff3304d21ca8cdec7af958e6da32396a8513a39849767f2ba7aa3d0a5064b85fdeccd4003b35db6b8484cfb45f398
SSDEEP

1536:tZcc/RlIophtpu/6A3OIWIQHSFyVAPoIErG93dKnUWgpOGBqyqC1WdctPPT6L5UI:l/Tje/6A+wQyFyWoI4cKnDGQy7j16L5

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3644	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3644 wrote to memory of 3096	3644	AcroRd32.exe	91
PID 3644 wrote to memory of 3096	3644	AcroRd32.exe	91
PID 3644 wrote to memory of 3096	3644	AcroRd32.exe	91
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3832	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93

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\3b3c82ede6099fe68deef63013c8fd4b.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:3644
- 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:3096
- - 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=245B508303B87B9D0DF7F6AB238D2840 --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=C3FF356E99EEB1ACB9F2D24096551302 --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=C3FF356E99EEB1ACB9F2D24096551302 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2676
- - 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=D4ABC5F804FAAD490E11870A995630CA --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1712
- - 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=8A60C7182E3FAD8029B464C32B0DD275 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3724
- - 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=ED5813177DDE29EA2063B678F4DA2E49 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5016
- - 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=A353C9455950665BF86AEBC3654AE6E7 --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=A353C9455950665BF86AEBC3654AE6E7 --renderer-client-id=7 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4592

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3948

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
f2f8811f5cc36e2f5f737708c8a37764

SHA1
f3797b1c6385913254c01f6f59b74a3f3e460eb4

SHA256
571dc2dc607201a979431e55abc5ad39cb7edacd91973eca9b2620c280a786e0

SHA512
76a967e867870940513392098ba25a2efeb9af853a510b377d2dc1e4722dd8ef5a3de6f0e8b453a15b62606d70b52eb90f9ab399213e8e2f360e068280ce7666

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/3644-28-0x000000000BDC0000-0x000000000BDE1000-memory.dmp

Filesize
132KB

Download