fc1e7ef737fba7b50e85a435364a753248cf136133aeb377f3ddb7c0485aff7a

Analysis

max time kernel
146s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2023 11:28

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General

Target

1acabdc2cebfb178373d6a3040e460fb.pdf
Size

85KB
MD5

1acabdc2cebfb178373d6a3040e460fb
SHA1

feff6f49b31ea90c0b80d80150835f46dbc4b2e2
SHA256

fc1e7ef737fba7b50e85a435364a753248cf136133aeb377f3ddb7c0485aff7a
SHA512

4b8595b7b83c209819cf5bbf9744691e0f2334595f5d1749ec3a4b804caa5d01d9d84ff865c8a3005eca2cc2b3910d43b892272a48edcc68ed0530f22574eeeb
SSDEEP

1536:2iM9dswUrcAsE96V8tgaY/h04muyTe9Xz2hgqq9Wc3KUCW6pOu2RibB54u4ECT:M/szMWjeaYgyJzYgqI3vvu2RsB6J

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1544	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe
1544	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 820	1544	AcroRd32.exe	91
PID 1544 wrote to memory of 820	1544	AcroRd32.exe	91
PID 1544 wrote to memory of 820	1544	AcroRd32.exe	91
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 2500	820	RdrCEF.exe	92
PID 820 wrote to memory of 208	820	RdrCEF.exe	93
PID 820 wrote to memory of 208	820	RdrCEF.exe	93
PID 820 wrote to memory of 208	820	RdrCEF.exe	93
PID 820 wrote to memory of 208	820	RdrCEF.exe	93
PID 820 wrote to memory of 208	820	RdrCEF.exe	93
PID 820 wrote to memory of 208	820	RdrCEF.exe	93
PID 820 wrote to memory of 208	820	RdrCEF.exe	93
PID 820 wrote to memory of 208	820	RdrCEF.exe	93
PID 820 wrote to memory of 208	820	RdrCEF.exe	93
PID 820 wrote to memory of 208	820	RdrCEF.exe	93
PID 820 wrote to memory of 208	820	RdrCEF.exe	93
PID 820 wrote to memory of 208	820	RdrCEF.exe	93
PID 820 wrote to memory of 208	820	RdrCEF.exe	93
PID 820 wrote to memory of 208	820	RdrCEF.exe	93
PID 820 wrote to memory of 208	820	RdrCEF.exe	93
PID 820 wrote to memory of 208	820	RdrCEF.exe	93
PID 820 wrote to memory of 208	820	RdrCEF.exe	93
PID 820 wrote to memory of 208	820	RdrCEF.exe	93
PID 820 wrote to memory of 208	820	RdrCEF.exe	93
PID 820 wrote to memory of 208	820	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\1acabdc2cebfb178373d6a3040e460fb.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:1544
- 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:820
- - 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=441A728F5CD0B51892A662AF15192463 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2500
- - 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=78EFAE408896F1F3D96925C1FA338FD7 --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=78EFAE408896F1F3D96925C1FA338FD7 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:208
- - 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=FBF5ACAC4B13451385FC96D200834E93 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:640
- - 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=147597C39ED9F09C7023D50FB289E17A --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3940
- - 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=708C5A2B1617FB0A9C0069A48E2250F5 --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=708C5A2B1617FB0A9C0069A48E2250F5 --renderer-client-id=6 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3968
- - 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=198F7C4393CCE382C9AD485361DC3027 --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2296

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4632

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
51211470df5be1131b0f768238ddc608

SHA1
407f64ef70e36f14b0976e6ea7a7827a369a6442

SHA256
0144c7cf74660dace3487f46cef2009ac2c452dc982bca699c89a2c43338b667

SHA512
579347f23d5e15312dd4a6629ad65bae238d842408fe6c6ced4efd6a1718851c09870faafe360df5833e57d10ea1bec74e8f9b128c6a153e190685ae344f5781

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