b4f01bd527facb1a563080c81cd55a7b8595b0123b35f014a487d73102198283

Analysis

max time kernel
142s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
02/02/2024, 15:40

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General

Target

89e67dbd4b7d64f6614fa58aa5ede2ec.pdf
Size

97KB
MD5

89e67dbd4b7d64f6614fa58aa5ede2ec
SHA1

7976827803d8327ae776b278917f63d1ee8c7a01
SHA256

b4f01bd527facb1a563080c81cd55a7b8595b0123b35f014a487d73102198283
SHA512

934a1babb456c03f7bb043423fd9656e9d5a5e065755cbdb5dce69b3ccbfea802e8b2bc9ad46ac02b6ce66ce4c57a7d060b428ba1450a754175ac02c778be823
SSDEEP

3072:tzUQBboTqpNfmPeYv/smPtUv2YHnkjrWHRe:RUQBcTMNOPeqXtlY6rWHs

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
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4584	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4584 wrote to memory of 3108	4584	AcroRd32.exe	89
PID 4584 wrote to memory of 3108	4584	AcroRd32.exe	89
PID 4584 wrote to memory of 3108	4584	AcroRd32.exe	89
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 1888	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3336	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 3336	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 3336	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 3336	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 3336	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 3336	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 3336	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 3336	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 3336	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 3336	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 3336	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 3336	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 3336	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 3336	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 3336	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 3336	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 3336	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 3336	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 3336	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 3336	3108	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\89e67dbd4b7d64f6614fa58aa5ede2ec.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:4584
- 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:3108
- - 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=EB842EE4C3FCECBBED21494F8A59E948 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1888
- - 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=1CD5C26D86EC6DBB315C9BACFE92DB72 --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=1CD5C26D86EC6DBB315C9BACFE92DB72 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3336
- - 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=3A5E104DD12EAF52CB91772AE23BA127 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4892
- - 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=2BC82CE4308A990D3BAADF3A0517939B --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=2BC82CE4308A990D3BAADF3A0517939B --renderer-client-id=5 --mojo-platform-channel-handle=1968 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1872
- - 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=1E66B6B5354F99AF5C6C18204876FAC5 --mojo-platform-channel-handle=2460 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1636
- - 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=0F368A87EB99DBF19482ECD5318D41B0 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3432

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3412

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
a28f708a6d8a80a42f0e1e39fd1b0612

SHA1
3c41089662c007ae038fb6e74f3f7a04edcb0a01

SHA256
0fd3f01a69340fd3a3cd1578278c814758277e3301ccd853148ec71593139f58

SHA512
06fcd774c4afeeae15ddb5064ed75c19b2100f3e17db5cbae3ce5aacf4784e13f8e372fdd22e7e9aaeb89ca1190a3f15c24e7c37ce3f13df5c1f4ed244ddf7d2

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
memory/4584-26-0x000000000BCC0000-0x000000000BD10000-memory.dmp

Filesize
320KB

Download