6967038d743067e3eb37a337d62bd6568c6505139cecd8355e1cdb2051f76059

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 06:53

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General

Target

2c57a211a4e5a314fe237fdf8270d0af.pdf
Size

79KB
MD5

2c57a211a4e5a314fe237fdf8270d0af
SHA1

7057d26d7d801048cd26abd10b79b1e323913d86
SHA256

6967038d743067e3eb37a337d62bd6568c6505139cecd8355e1cdb2051f76059
SHA512

2abae1d622fac3068c3d65393f0f0c84fa60e8c3cb8c6fb00bc5a50536a0cf6c54beb179a1b9174775e976d73cb78053c36ee149d6d18a6cb99ecd465eb7678b
SSDEEP

1536:63SPcYAkXrljSucp9a9kNy4LiWypOlWWxHakdBMtmnHUygF:kSPvAkXxjapcWNZlDpBMtaHUT

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
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3652	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3652 wrote to memory of 1448	3652	AcroRd32.exe	92
PID 3652 wrote to memory of 1448	3652	AcroRd32.exe	92
PID 3652 wrote to memory of 1448	3652	AcroRd32.exe	92
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 740	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 1232	1448	RdrCEF.exe	94
PID 1448 wrote to memory of 1232	1448	RdrCEF.exe	94
PID 1448 wrote to memory of 1232	1448	RdrCEF.exe	94
PID 1448 wrote to memory of 1232	1448	RdrCEF.exe	94
PID 1448 wrote to memory of 1232	1448	RdrCEF.exe	94
PID 1448 wrote to memory of 1232	1448	RdrCEF.exe	94
PID 1448 wrote to memory of 1232	1448	RdrCEF.exe	94
PID 1448 wrote to memory of 1232	1448	RdrCEF.exe	94
PID 1448 wrote to memory of 1232	1448	RdrCEF.exe	94
PID 1448 wrote to memory of 1232	1448	RdrCEF.exe	94
PID 1448 wrote to memory of 1232	1448	RdrCEF.exe	94
PID 1448 wrote to memory of 1232	1448	RdrCEF.exe	94
PID 1448 wrote to memory of 1232	1448	RdrCEF.exe	94
PID 1448 wrote to memory of 1232	1448	RdrCEF.exe	94
PID 1448 wrote to memory of 1232	1448	RdrCEF.exe	94
PID 1448 wrote to memory of 1232	1448	RdrCEF.exe	94
PID 1448 wrote to memory of 1232	1448	RdrCEF.exe	94
PID 1448 wrote to memory of 1232	1448	RdrCEF.exe	94
PID 1448 wrote to memory of 1232	1448	RdrCEF.exe	94
PID 1448 wrote to memory of 1232	1448	RdrCEF.exe	94

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\2c57a211a4e5a314fe237fdf8270d0af.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:3652
- 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:1448
- - 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=899F145B63E7FF289509F98021692D7F --mojo-platform-channel-handle=1764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:740
- - 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=1B393D331F89206C7938CF0E78AF2148 --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=1B393D331F89206C7938CF0E78AF2148 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1232
- - 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=E210C005F9D35D48383D66CECF743484 --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=E210C005F9D35D48383D66CECF743484 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1656
- - 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=F9635EC7541752B949C1C7719439E920 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4364
- - 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=16CF45C48EA646D0886AE4859C34EED9 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3036
- - 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=73A314C4F88D89E7E5849E9E9BE2C4FA --mojo-platform-channel-handle=1764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4824

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3644

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
5ccb540438a3b5b46cdd1364da70aa93

SHA1
f1842ea862d669aefa826f87f00e129c2659a11c

SHA256
d9aeec4f8cfaa78dba5fcc1ed839b8ec629c4195465a4fad174eb80485520621

SHA512
f09543f190ae5d4ab97c31dea58c330ba41327fc95a47ada349dcf2bd8ba2f071451847d1b187274f232a298ee343cecb134f2eeae334d2e6a08d2f973425949

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