9d91f5c1c87a4e70ecb3f5cea9fb1d960628ddc3bfc748eaee74ca9b5ac939ef

Analysis

max time kernel
145s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
10/01/2024, 04:56

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General

Target

4fa491482abfff021b0041ff773e553b.pdf
Size

95KB
MD5

4fa491482abfff021b0041ff773e553b
SHA1

57846caab48af677c9feacd97eba00a6cdd32768
SHA256

9d91f5c1c87a4e70ecb3f5cea9fb1d960628ddc3bfc748eaee74ca9b5ac939ef
SHA512

3b429c8cf068457de5c3d47e72745b5af9cee421f2e832abeb8d3782828ca90a4522ea45e5b3ede8419f3fa8a6a3061d4267c57e487cf93443f16e8a1da528b3
SSDEEP

1536:yO3MQxJEwDgbcLLEzP7oHV4mlEiLezQRYLHFWcVnEbBvAre/e10W+/JEQUrq9WY8:8Qr8mEzMFEiLezfjFWmn01ArUNRCGOpV

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
984	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 984 wrote to memory of 4608	984	AcroRd32.exe	91
PID 984 wrote to memory of 4608	984	AcroRd32.exe	91
PID 984 wrote to memory of 4608	984	AcroRd32.exe	91
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 452	4608	RdrCEF.exe	92
PID 4608 wrote to memory of 4836	4608	RdrCEF.exe	93
PID 4608 wrote to memory of 4836	4608	RdrCEF.exe	93
PID 4608 wrote to memory of 4836	4608	RdrCEF.exe	93
PID 4608 wrote to memory of 4836	4608	RdrCEF.exe	93
PID 4608 wrote to memory of 4836	4608	RdrCEF.exe	93
PID 4608 wrote to memory of 4836	4608	RdrCEF.exe	93
PID 4608 wrote to memory of 4836	4608	RdrCEF.exe	93
PID 4608 wrote to memory of 4836	4608	RdrCEF.exe	93
PID 4608 wrote to memory of 4836	4608	RdrCEF.exe	93
PID 4608 wrote to memory of 4836	4608	RdrCEF.exe	93
PID 4608 wrote to memory of 4836	4608	RdrCEF.exe	93
PID 4608 wrote to memory of 4836	4608	RdrCEF.exe	93
PID 4608 wrote to memory of 4836	4608	RdrCEF.exe	93
PID 4608 wrote to memory of 4836	4608	RdrCEF.exe	93
PID 4608 wrote to memory of 4836	4608	RdrCEF.exe	93
PID 4608 wrote to memory of 4836	4608	RdrCEF.exe	93
PID 4608 wrote to memory of 4836	4608	RdrCEF.exe	93
PID 4608 wrote to memory of 4836	4608	RdrCEF.exe	93
PID 4608 wrote to memory of 4836	4608	RdrCEF.exe	93
PID 4608 wrote to memory of 4836	4608	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\4fa491482abfff021b0041ff773e553b.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:984
- 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:4608
- - 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=D833CF8552D103C17D108E97D099EA86 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:452
- - 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=8C820CC5E384D4DF3C3D960F538E0B2B --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=8C820CC5E384D4DF3C3D960F538E0B2B --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4836
- - 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=2EE8C9C38DFEBC3DC223C0822D3B1D62 --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=2EE8C9C38DFEBC3DC223C0822D3B1D62 --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4804
- - 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=34578061A15025A06A3F16B2EA474265 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4936
- - 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=B69972DFDE301EE2271D66BB8CD0B3EF --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4764
- - 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=6DE9CE75FCEFEA94427EEB591D4F5FE5 --mojo-platform-channel-handle=2448 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3552

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
006d0a5e5dc3a9119d6831c62ed1a0ce

SHA1
6e7b5d7c67057e00d94a46ea176b52fa1789cbca

SHA256
d8faea47c1d7364b8671d83431e1dc8ff8f22d97e67cbbd3fcb7ce186c34b2e0

SHA512
1851d8f02d938a11a01f0d020498c5a0801c1602c2f4aa5a65efdb320a55a06f25cf8ec7767665fb78107a1f55b07291a11e91610724ed39887ea6e519ebd67b

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit