4554b2edb6aa515637905d2cf875bcfe41f3f3eda689a94bbff90bfefa378dfa

Analysis

max time kernel
175s
max time network
190s
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, 00:51

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General

Target

1e4b5fea0384d025f3a59c9cbcbbeff6.pdf
Size

76KB
MD5

1e4b5fea0384d025f3a59c9cbcbbeff6
SHA1

b220a4d09a0b561949fe85599d6432361b5fe128
SHA256

4554b2edb6aa515637905d2cf875bcfe41f3f3eda689a94bbff90bfefa378dfa
SHA512

8283b35b72d65080b12625b443de17577c9c2bfcd160600f2341bbc2fc584bb19b4e8f2011dc495eaa0565c33e5688fd55b88d60ac9149cd223f1176939479b1
SSDEEP

1536:/51NzE4ICvglmlpbCJjagW0szWRw6pUoTZWOCiKxZlAsfivvhCR:PNo5CSmTecxiw6pUowOJRs6S

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
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 4000	2680	AcroRd32.exe	93
PID 2680 wrote to memory of 4000	2680	AcroRd32.exe	93
PID 2680 wrote to memory of 4000	2680	AcroRd32.exe	93
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 3580	4000	RdrCEF.exe	94
PID 4000 wrote to memory of 5004	4000	RdrCEF.exe	95
PID 4000 wrote to memory of 5004	4000	RdrCEF.exe	95
PID 4000 wrote to memory of 5004	4000	RdrCEF.exe	95
PID 4000 wrote to memory of 5004	4000	RdrCEF.exe	95
PID 4000 wrote to memory of 5004	4000	RdrCEF.exe	95
PID 4000 wrote to memory of 5004	4000	RdrCEF.exe	95
PID 4000 wrote to memory of 5004	4000	RdrCEF.exe	95
PID 4000 wrote to memory of 5004	4000	RdrCEF.exe	95
PID 4000 wrote to memory of 5004	4000	RdrCEF.exe	95
PID 4000 wrote to memory of 5004	4000	RdrCEF.exe	95
PID 4000 wrote to memory of 5004	4000	RdrCEF.exe	95
PID 4000 wrote to memory of 5004	4000	RdrCEF.exe	95
PID 4000 wrote to memory of 5004	4000	RdrCEF.exe	95
PID 4000 wrote to memory of 5004	4000	RdrCEF.exe	95
PID 4000 wrote to memory of 5004	4000	RdrCEF.exe	95
PID 4000 wrote to memory of 5004	4000	RdrCEF.exe	95
PID 4000 wrote to memory of 5004	4000	RdrCEF.exe	95
PID 4000 wrote to memory of 5004	4000	RdrCEF.exe	95
PID 4000 wrote to memory of 5004	4000	RdrCEF.exe	95
PID 4000 wrote to memory of 5004	4000	RdrCEF.exe	95

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\1e4b5fea0384d025f3a59c9cbcbbeff6.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2680
- 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:4000
- - 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=6F2133B773087F237439BB32DC026EB1 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3580
- - 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=29D2B9E33109AD9E6FBAD6B8AA1098B3 --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=29D2B9E33109AD9E6FBAD6B8AA1098B3 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    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=8E71C8129BEE7D5673EC15549FC840F3 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:636
- - 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=753FA9849B5D38DC07388D42B14FB715 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4872
- - 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=6FAD7FBB8531D4360291324C6B06DEE0 --mojo-platform-channel-handle=2404 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2652

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
3f8c941b822bf71b5e6f1a479cfcfc54

SHA1
c735b5bed8f17a8013e0f41294006edcd2176a69

SHA256
c2daacb5ee5211c6e156d6030a2fce5886b6a14e3cb8e7a26121b594c5df945a

SHA512
6b55efe96e4f083192df740fc687f3b0d49bd46432291c149ae02fb3bf118a2a0ef8d26964e73f9a59f9772a214983c27fdf3752a481628588674dce9ca618d6

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