bceb654bd2603b9bfd791aa2564647052954006dbb2d715d11202782b6a26743

Analysis

max time kernel
141s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 08:54

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General

Target

1342ce0ad960a45dacd9f5cfe3d1b34d.pdf
Size

81KB
MD5

1342ce0ad960a45dacd9f5cfe3d1b34d
SHA1

7dee34aeb3bbf15c9ab15c7094ada141e5b22e08
SHA256

bceb654bd2603b9bfd791aa2564647052954006dbb2d715d11202782b6a26743
SHA512

26b5b1ccf4fe7886b13f3a40c3c737d58fe6dde42ec3104a4fe09a627a6e60e9d470ca77dc473fae2f24e4f4af4aeb63070666215eb6ac201dca105f4cfd3975
SSDEEP

1536:qs07gBEv8RcMpZYfjMrBt28ANn6BuzSFJ781J50KdzUBG8ploQbEcOm9nLml4:vliG9nRNbz78H5sGSoQbEcOml3

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
888	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 888 wrote to memory of 2432	888	AcroRd32.exe	92
PID 888 wrote to memory of 2432	888	AcroRd32.exe	92
PID 888 wrote to memory of 2432	888	AcroRd32.exe	92
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 3700	2432	RdrCEF.exe	94
PID 2432 wrote to memory of 2496	2432	RdrCEF.exe	93
PID 2432 wrote to memory of 2496	2432	RdrCEF.exe	93
PID 2432 wrote to memory of 2496	2432	RdrCEF.exe	93
PID 2432 wrote to memory of 2496	2432	RdrCEF.exe	93
PID 2432 wrote to memory of 2496	2432	RdrCEF.exe	93
PID 2432 wrote to memory of 2496	2432	RdrCEF.exe	93
PID 2432 wrote to memory of 2496	2432	RdrCEF.exe	93
PID 2432 wrote to memory of 2496	2432	RdrCEF.exe	93
PID 2432 wrote to memory of 2496	2432	RdrCEF.exe	93
PID 2432 wrote to memory of 2496	2432	RdrCEF.exe	93
PID 2432 wrote to memory of 2496	2432	RdrCEF.exe	93
PID 2432 wrote to memory of 2496	2432	RdrCEF.exe	93
PID 2432 wrote to memory of 2496	2432	RdrCEF.exe	93
PID 2432 wrote to memory of 2496	2432	RdrCEF.exe	93
PID 2432 wrote to memory of 2496	2432	RdrCEF.exe	93
PID 2432 wrote to memory of 2496	2432	RdrCEF.exe	93
PID 2432 wrote to memory of 2496	2432	RdrCEF.exe	93
PID 2432 wrote to memory of 2496	2432	RdrCEF.exe	93
PID 2432 wrote to memory of 2496	2432	RdrCEF.exe	93
PID 2432 wrote to memory of 2496	2432	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\1342ce0ad960a45dacd9f5cfe3d1b34d.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:888
- 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:2432
- - 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=2BFBBB914E0BAAB0204CD8D3C9C7E8A9 --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=2BFBBB914E0BAAB0204CD8D3C9C7E8A9 --renderer-client-id=2 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2496
- - 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=05EBD7CB1F44C44400DFAE91BE0A7323 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3700
- - 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=47F8EE788CEFCF21FBB8E0C7BC48045D --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4184
- - 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=445E46A1FB0940354F33693B9DB7FA7B --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=445E46A1FB0940354F33693B9DB7FA7B --renderer-client-id=6 --mojo-platform-channel-handle=2376 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1032
- - 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=2D833FEBEE36ADD9698AF39B85C40FB9 --mojo-platform-channel-handle=2368 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2888
- - 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=AC5070F1F7B367F60D2EC87D745DD573 --mojo-platform-channel-handle=1868 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4612

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3976

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
12f4826605ea2185e58de06819618bf5

SHA1
7a3942a0337a472e5cc892b8ad8b63a0c44937be

SHA256
08497b5317ea4dd23e392d86e8aa689b6562a4d693bc2b259c8e86332edea19c

SHA512
28e59a127b2c9ef94cdbc4c157d145de2928aee680c7a3e637dd2dd36db55bd7b6610441d24b3aa206ab097a577c49f3f5c9fb414f3f07938c8a041886c8aa9f

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