cb1c8fbf6f7a6940909947e18ad0647016582a5cf53321e303fb188e8399fbb3

Analysis

max time kernel
228s
max time network
201s
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, 22:01

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General

Target

afb6284b3bb220bcaa11142e9743c53e.pdf
Size

81KB
MD5

afb6284b3bb220bcaa11142e9743c53e
SHA1

6ac81c0a1b12eac6874d572d174b0b1f7a8a2763
SHA256

cb1c8fbf6f7a6940909947e18ad0647016582a5cf53321e303fb188e8399fbb3
SHA512

7a50125853b9fd218e9bf94d4e44d146d0cd6a9edf67f370f2949887607774d665a400d1a96108b5789e9dabd363d313749e595a2a1d97e66a7e6d104d9db85c
SSDEEP

1536:V4tC9wo8dhLdPy7/I+0Uy6fVhWQyg3Z3m/2JQFMBKWGpOKCWaf59fIxcOWDzHtPW:atC9MdTa/I+0T8WQyg3ZNQMBzKofOWHI

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
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3804	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3804 wrote to memory of 2548	3804	AcroRd32.exe	90
PID 3804 wrote to memory of 2548	3804	AcroRd32.exe	90
PID 3804 wrote to memory of 2548	3804	AcroRd32.exe	90
PID 3804 wrote to memory of 4592	3804	AcroRd32.exe	91
PID 3804 wrote to memory of 4592	3804	AcroRd32.exe	91
PID 3804 wrote to memory of 4592	3804	AcroRd32.exe	91
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3524	2548	RdrCEF.exe	92
PID 2548 wrote to memory of 3852	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 3852	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 3852	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 3852	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 3852	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 3852	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 3852	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 3852	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 3852	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 3852	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 3852	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 3852	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 3852	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 3852	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 3852	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 3852	2548	RdrCEF.exe	93
PID 2548 wrote to memory of 3852	2548	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\afb6284b3bb220bcaa11142e9743c53e.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:3804
- 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:2548
- - 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=A99619D8F8A8AEBDC7E335F413709576 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3524
- - 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=2CCCE92F8F869EE1373CF64BA8FAC605 --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=2CCCE92F8F869EE1373CF64BA8FAC605 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3852
- - 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=173C49EA5F583AF3DA28043B6EFA5108 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4168
- - 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=5B4175CC03E0B5D54188DCF5E30D3AF5 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5004
- - 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=5AF9D781089A144D8B820205AF618453 --mojo-platform-channel-handle=2188 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1576
- - 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=5DF1BF6EBD9E533D855721103ABC8D30 --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=5DF1BF6EBD9E533D855721103ABC8D30 --renderer-client-id=8 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4644
- 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⤵
  PID:4592

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
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