d65348d2a8d3371e208523d502c75c88b63356d10a6638160b5623501cb2e17d

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
29/12/2023, 19:53

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General

Target

0257ec48e2a10894f003fa44802f32fc.pdf
Size

89KB
MD5

0257ec48e2a10894f003fa44802f32fc
SHA1

dc8d8b558829f1aa47bda66dc57c0a7a441711af
SHA256

d65348d2a8d3371e208523d502c75c88b63356d10a6638160b5623501cb2e17d
SHA512

eac0ee937396a7f31c2f863f2b8e532c6f2c40a5fad2f36328d849617c68841b558422fef81775cc4c813831c44d2b4b46a0607497278781c1e689c701e4e884
SSDEEP

1536:VbyBJFvgVfmx+5Y6hUarfMgi4v5rNTPvSqMWPYQIqUoPneyhPo1jWRv/Z90NWspC:tqS12arzie5dP6qMwXPx2sSYp90URT

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4592	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4592 wrote to memory of 3016	4592	AcroRd32.exe	96
PID 4592 wrote to memory of 3016	4592	AcroRd32.exe	96
PID 4592 wrote to memory of 3016	4592	AcroRd32.exe	96
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 5052	3016	RdrCEF.exe	98
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	99
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	99
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	99
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	99
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	99
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	99
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	99
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	99
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	99
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	99
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	99
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	99
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	99
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	99
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	99
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	99
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	99
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	99
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	99
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	99

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\0257ec48e2a10894f003fa44802f32fc.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:4592
- 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:3016
- - 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=68677E76AD5CD849FF4A676503B67371 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5052
- - 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=7822DEAB5E73649D576A486529C50781 --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=7822DEAB5E73649D576A486529C50781 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4788
- - 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=FD2BE733C97D19A880216ED0B1CD4B00 --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=FD2BE733C97D19A880216ED0B1CD4B00 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4528
- - 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=0FB6B072560E1AEC787CEAD2F5DFDC31 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:460
- - 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=5D9489D90C52747B4CB099C33A3D6FF8 --mojo-platform-channel-handle=2680 --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=895DFA31FE722BE743C09C76254600A6 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3976

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4864

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
1fae16aa6f6c139903276583eb0a4329

SHA1
64e98d088e5aaad27d2d9f97a82301de43ccbf95

SHA256
c8a9ac3c4c3c6ad8db0cd4f7fcfb3ab1ea819d1d6a21c231b995f1df5bcef4f3

SHA512
d98a7dc339d8aec93975c546687105a3238e1439d827bff2d3ae50afaad4a473698d99c4d5e89b6121de39b4bcf6fcee47aaa10b1f5ad13ecbf4737e116ef7be

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