19c20c5a62cf014a5adf5c0e830e11cb097e5c6e09e2cc685b28899966006429

Analysis

max time kernel
150s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11/03/2024, 20:10

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General

Target

c17ddaefc73d33c57890687e498c0709.pdf
Size

89KB
MD5

c17ddaefc73d33c57890687e498c0709
SHA1

e0ceffa9bb1d7b304d5f0d00250b9df77b55a2b9
SHA256

19c20c5a62cf014a5adf5c0e830e11cb097e5c6e09e2cc685b28899966006429
SHA512

613469bc4226e0249f28b18d44a1b26f97fe9a9323e57b52c5cecc7258f90918f1b68eefc0d10d4f4c8156b3fd89f39ea4b51ca9c8cf055ea223f676f872931f
SSDEEP

1536:4P5r8gHY/bEFAmyOhzjLS3wAGzxLTZfsFSoHQG893TjWklxs5B/wMW8pO73QuP:Qe/b41LjAGNVfsVHQG893TDXs3/wf7BP

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-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1964	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe
1964	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 3348	1964	AcroRd32.exe	100
PID 1964 wrote to memory of 3348	1964	AcroRd32.exe	100
PID 1964 wrote to memory of 3348	1964	AcroRd32.exe	100
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 3920	3348	RdrCEF.exe	103
PID 3348 wrote to memory of 4824	3348	RdrCEF.exe	104
PID 3348 wrote to memory of 4824	3348	RdrCEF.exe	104
PID 3348 wrote to memory of 4824	3348	RdrCEF.exe	104
PID 3348 wrote to memory of 4824	3348	RdrCEF.exe	104
PID 3348 wrote to memory of 4824	3348	RdrCEF.exe	104
PID 3348 wrote to memory of 4824	3348	RdrCEF.exe	104
PID 3348 wrote to memory of 4824	3348	RdrCEF.exe	104
PID 3348 wrote to memory of 4824	3348	RdrCEF.exe	104
PID 3348 wrote to memory of 4824	3348	RdrCEF.exe	104
PID 3348 wrote to memory of 4824	3348	RdrCEF.exe	104
PID 3348 wrote to memory of 4824	3348	RdrCEF.exe	104
PID 3348 wrote to memory of 4824	3348	RdrCEF.exe	104
PID 3348 wrote to memory of 4824	3348	RdrCEF.exe	104
PID 3348 wrote to memory of 4824	3348	RdrCEF.exe	104
PID 3348 wrote to memory of 4824	3348	RdrCEF.exe	104
PID 3348 wrote to memory of 4824	3348	RdrCEF.exe	104
PID 3348 wrote to memory of 4824	3348	RdrCEF.exe	104
PID 3348 wrote to memory of 4824	3348	RdrCEF.exe	104
PID 3348 wrote to memory of 4824	3348	RdrCEF.exe	104
PID 3348 wrote to memory of 4824	3348	RdrCEF.exe	104

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\c17ddaefc73d33c57890687e498c0709.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:1964
- 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:3348
- - 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=82764499ADD53154F04B5CDEF8BB13AC --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3920
- - 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=6B341D020BE693FBA1AAE27C1AEAE221 --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=6B341D020BE693FBA1AAE27C1AEAE221 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4824
- - 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=4BED7049E2FBA968DC3AC6C7E1D6B018 --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=4BED7049E2FBA968DC3AC6C7E1D6B018 --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2968
- - 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=5FFC0A82FA48A051C8A17A5335C9BD1D --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2172
- - 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=C37D3611E6D0A8DA7046ED92FD56B06E --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:688
- - 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=759B52ED3993F685399280C25C95C97C --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5184

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4780

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4188 --field-trial-handle=2272,i,17338911640954948469,1637568328132129119,262144 --variations-seed-version /prefetch:8
1⤵
PID:1584

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
f1bcad48bcfb6b1fde661735decb35cd

SHA1
5d3a05bc87cdf89ce9ca1f6db6aef6fe598e49de

SHA256
31eda5365b2c5a68d6bbf7ed76282039539ffe3ef32c9b0c37fc9161a14a932f

SHA512
af54b1e00e7bb6c490506d17e371d561ac3e9c6ea9c79c022c52f17f80a78f12f9e5fc8d50cbb5c7e424057c4abadb312473d564a6d5e8bba9b3af3d116de97b

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