d8beb00d1b432302687eb4096d220df49c7a40bd26dec1d554d69f21dcc51705

Analysis

max time kernel
146s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01/02/2024, 14:36

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General

Target

8722dea4a05354d4cdd1c1bda667df74.pdf
Size

31KB
MD5

8722dea4a05354d4cdd1c1bda667df74
SHA1

1e5ce0862691b2a62e7a6bda2fa07b3166a9e0ee
SHA256

d8beb00d1b432302687eb4096d220df49c7a40bd26dec1d554d69f21dcc51705
SHA512

f085cf5fd1cb28cee5e6fe64b91e9ad0d9fd5695e034590f0191053bc4aa91fc2bd3574815f53745c6d485cad58d1d64323cc1b5c7fda81d46f533cd6eb6e9d7
SSDEEP

768:OfuFti8s2h3COAGfYBLZBcxV5Uxs3MSu19O:OGXiMBAgmByV51O1s

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
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3144 wrote to memory of 4884	3144	AcroRd32.exe	86
PID 3144 wrote to memory of 4884	3144	AcroRd32.exe	86
PID 3144 wrote to memory of 4884	3144	AcroRd32.exe	86
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 896	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 5000	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 5000	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 5000	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 5000	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 5000	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 5000	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 5000	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 5000	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 5000	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 5000	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 5000	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 5000	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 5000	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 5000	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 5000	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 5000	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 5000	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 5000	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 5000	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 5000	4884	RdrCEF.exe	90

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\8722dea4a05354d4cdd1c1bda667df74.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3144
- 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:4884
- - 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=F9D197CBA0810154C23C58A98C72B9D9 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:896
- - 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=4BB64ACAD3C9F7127D6E4B02A1B25A69 --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=4BB64ACAD3C9F7127D6E4B02A1B25A69 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5000
- - 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=F1B6AD785BF4B98BF53D9A7EE8258C09 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3320
- - 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=8E6C22DF693D30AC48DA182D5C84E1D3 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1336
- - 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=A5E55B4F7A9EB4DE1C35FC2CBE99589A --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2204

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4588

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
12b2db2382ced75a4e1d3610ec79a173

SHA1
3371efad408df6627fddce9fca2fcd7eed652e32

SHA256
d16104340dee157900c25299a6b363db3ec1050b6739620381a524af6135209f

SHA512
e6b12f36302b3ce29f2befc0d08ea32db87ef3daea7f358e091a0ae44b23b704352279a49fbe10f2937c3c91416acbac929139f60eee46b36c6f117c15539121

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