79404a42840391d0d9e018050ad191676e88260ed4317d81a23c3c52f6ca5a98

Analysis

max time kernel
147s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2024, 16:34

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General

Target

b7de210d0984a41caa89c9e442b513e9.pdf
Size

84KB
MD5

b7de210d0984a41caa89c9e442b513e9
SHA1

60d249fef59eed483c75914c197f2b782845a90a
SHA256

79404a42840391d0d9e018050ad191676e88260ed4317d81a23c3c52f6ca5a98
SHA512

bc9ff084b49ffa11f847256ebb90582958a57356932971957ab21add76a20e2c1d2f95710f72ec446ab5a4e72330f0d08db59a3e29190dd84c29d40a4c9ff550
SSDEEP

1536:Ic1rZZqYZsqAWzyz7/Tvt5mww4crJoHZe0PhFpTPqOWxApOGzW/I41ik0HSV3:NrZZViqAywTTvtvjfHZjFJCb3G2Iaikv

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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2148	AcroRd32.exe
2148	AcroRd32.exe
2148	AcroRd32.exe
2148	AcroRd32.exe
2148	AcroRd32.exe
2148	AcroRd32.exe
2148	AcroRd32.exe
2148	AcroRd32.exe
2148	AcroRd32.exe
2148	AcroRd32.exe
2148	AcroRd32.exe
2148	AcroRd32.exe
2148	AcroRd32.exe
2148	AcroRd32.exe
2148	AcroRd32.exe
2148	AcroRd32.exe
2148	AcroRd32.exe
2148	AcroRd32.exe
2148	AcroRd32.exe
2148	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2148	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2148	AcroRd32.exe
2148	AcroRd32.exe
2148	AcroRd32.exe
2148	AcroRd32.exe
2148	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 3100	2148	AcroRd32.exe	91
PID 2148 wrote to memory of 3100	2148	AcroRd32.exe	91
PID 2148 wrote to memory of 3100	2148	AcroRd32.exe	91
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 3120	3100	RdrCEF.exe	94
PID 3100 wrote to memory of 544	3100	RdrCEF.exe	95
PID 3100 wrote to memory of 544	3100	RdrCEF.exe	95
PID 3100 wrote to memory of 544	3100	RdrCEF.exe	95
PID 3100 wrote to memory of 544	3100	RdrCEF.exe	95
PID 3100 wrote to memory of 544	3100	RdrCEF.exe	95
PID 3100 wrote to memory of 544	3100	RdrCEF.exe	95
PID 3100 wrote to memory of 544	3100	RdrCEF.exe	95
PID 3100 wrote to memory of 544	3100	RdrCEF.exe	95
PID 3100 wrote to memory of 544	3100	RdrCEF.exe	95
PID 3100 wrote to memory of 544	3100	RdrCEF.exe	95
PID 3100 wrote to memory of 544	3100	RdrCEF.exe	95
PID 3100 wrote to memory of 544	3100	RdrCEF.exe	95
PID 3100 wrote to memory of 544	3100	RdrCEF.exe	95
PID 3100 wrote to memory of 544	3100	RdrCEF.exe	95
PID 3100 wrote to memory of 544	3100	RdrCEF.exe	95
PID 3100 wrote to memory of 544	3100	RdrCEF.exe	95
PID 3100 wrote to memory of 544	3100	RdrCEF.exe	95
PID 3100 wrote to memory of 544	3100	RdrCEF.exe	95
PID 3100 wrote to memory of 544	3100	RdrCEF.exe	95
PID 3100 wrote to memory of 544	3100	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\b7de210d0984a41caa89c9e442b513e9.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:2148
- 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:3100
- - 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=06F319FCB5A22E48502834C43FFA1EF8 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3120
- - 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=0BBC3C3F55AD4D18EF3571DABC9C9332 --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=0BBC3C3F55AD4D18EF3571DABC9C9332 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:544
- - 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=D41020075B8F4CBF05599F501163FB9D --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4512
- - 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=DE587BDF8B8C442F063B408132C50E0C --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=DE587BDF8B8C442F063B408132C50E0C --renderer-client-id=5 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4652
- - 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=1F3BC8DB40AF59F8DC4F27B6C2B0DCF5 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2412
- - 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=8EB567170E30F258406E3AA7014DDE3A --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5100

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5016

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
fa413f39de0331ab925f3154250a797f

SHA1
8ed462ea5aede6401b0a2380aa6d2b6111c40478

SHA256
c61bcf0b88a9f8c7b3d050c4be8c409067c3ad62a4510e12199f9e4706a4d0d0

SHA512
7d1c4d5d96435ce7b50d04836b08e82e9da61b5905165a4d06d7af9e98b255fbf165931c14d7c2d6c9b8ce8f8d005829c757e77ec19d6ccf2a189db7fd025f46

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