887917272d4184d07e782991111b63e72462e5c816a40f8b908e593135245e82

Analysis

max time kernel
141s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 10:46

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General

Target

0c33118bdc8fda7a8ea9a668e876f9af.pdf
Size

75KB
MD5

0c33118bdc8fda7a8ea9a668e876f9af
SHA1

46980e92da5f4632d1c7b593f8e82ef5877183ad
SHA256

887917272d4184d07e782991111b63e72462e5c816a40f8b908e593135245e82
SHA512

5a3be164e067de0cc96766970aaab3ec9316d2876d6d772dd45643fc825828719f205cdb61b97da66112c95938f115025e4073b64e614f3dc8463a32bb2c2a50
SSDEEP

1536:tRJ+2OVy6zyTO+TG6ak2j6oG9eOktbfKweIppYf+OW6pOu26WnzY+F9kP8RmVfVw:xDO9yTPG82jnG0tzKapp82u2tzdF9rR1

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
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4944	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4944 wrote to memory of 4196	4944	AcroRd32.exe	91
PID 4944 wrote to memory of 4196	4944	AcroRd32.exe	91
PID 4944 wrote to memory of 4196	4944	AcroRd32.exe	91
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 2280	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 640	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 640	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 640	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 640	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 640	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 640	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 640	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 640	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 640	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 640	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 640	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 640	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 640	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 640	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 640	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 640	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 640	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 640	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 640	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 640	4196	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\0c33118bdc8fda7a8ea9a668e876f9af.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:4944
- 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:4196
- - 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=DCF4293D838A1785D41B82100E01E8F3 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2280
- - 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=EB8F6FD86AED1DB22450711BD128FBFE --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=EB8F6FD86AED1DB22450711BD128FBFE --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    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=699E9701CF515AC4F447DAF66A68CCE4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:656
- - 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=5A7CEE363D03F1C5F37F3014E74CFF0F --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4924
- - 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=83E16957BC690B2C2A2F1542FA5C88EF --mojo-platform-channel-handle=2348 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2352
- - 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=8695767137BDDCA4E81C1866E1045C15 --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=8695767137BDDCA4E81C1866E1045C15 --renderer-client-id=7 --mojo-platform-channel-handle=2384 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1764

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1192

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
d2ab41b058d1c5eba43f470a65f725f2

SHA1
7d3dcb82357f1e8437c0014f87e37317a90638a1

SHA256
404e39cf8be4f8c8a27ace537abf7a9afae4ef23c690faa19a4ffd46d00313f7

SHA512
4a7502d84425b66b252cf0fa20617fea64f1ee203239f72c7f19546b109d7c462be90b815758e4648d786b26813850d834a76c11f2cf159691c0ed348fbbb403

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