11e94e5129817c1d0498753c55ceadf82732965b5191d31cb34be1931b71c53b

Analysis

max time kernel
142s
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
19/12/2023, 12:39

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General

Target

259e92adddfd0985750b7abc2c460be1.pdf
Size

85KB
MD5

259e92adddfd0985750b7abc2c460be1
SHA1

5f05ca17bb85107ec807d2ecbd1611060d865aab
SHA256

11e94e5129817c1d0498753c55ceadf82732965b5191d31cb34be1931b71c53b
SHA512

308a53c3d78a836e4a563f083ecb49324d459f8058e32f1ccbdff20db8085579a962b8e74d780de42a5b2aadf0b6bee37d68ff5919d4cac242c82fb3d6065672
SSDEEP

1536:rgDXT7Z4xPQ+LRZgDueyATYKKCf50xkbU9Il33cUyVVWfjU:qXHZ4PN0DueH3KCfVbUw332Ww

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
4480	AcroRd32.exe
4480	AcroRd32.exe
4480	AcroRd32.exe
4480	AcroRd32.exe
4480	AcroRd32.exe
4480	AcroRd32.exe
4480	AcroRd32.exe
4480	AcroRd32.exe
4480	AcroRd32.exe
4480	AcroRd32.exe
4480	AcroRd32.exe
4480	AcroRd32.exe
4480	AcroRd32.exe
4480	AcroRd32.exe
4480	AcroRd32.exe
4480	AcroRd32.exe
4480	AcroRd32.exe
4480	AcroRd32.exe
4480	AcroRd32.exe
4480	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4480	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4480	AcroRd32.exe
4480	AcroRd32.exe
4480	AcroRd32.exe
4480	AcroRd32.exe
4480	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4480 wrote to memory of 2540	4480	AcroRd32.exe	92
PID 4480 wrote to memory of 2540	4480	AcroRd32.exe	92
PID 4480 wrote to memory of 2540	4480	AcroRd32.exe	92
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 3288	2540	RdrCEF.exe	93
PID 2540 wrote to memory of 2740	2540	RdrCEF.exe	94
PID 2540 wrote to memory of 2740	2540	RdrCEF.exe	94
PID 2540 wrote to memory of 2740	2540	RdrCEF.exe	94
PID 2540 wrote to memory of 2740	2540	RdrCEF.exe	94
PID 2540 wrote to memory of 2740	2540	RdrCEF.exe	94
PID 2540 wrote to memory of 2740	2540	RdrCEF.exe	94
PID 2540 wrote to memory of 2740	2540	RdrCEF.exe	94
PID 2540 wrote to memory of 2740	2540	RdrCEF.exe	94
PID 2540 wrote to memory of 2740	2540	RdrCEF.exe	94
PID 2540 wrote to memory of 2740	2540	RdrCEF.exe	94
PID 2540 wrote to memory of 2740	2540	RdrCEF.exe	94
PID 2540 wrote to memory of 2740	2540	RdrCEF.exe	94
PID 2540 wrote to memory of 2740	2540	RdrCEF.exe	94
PID 2540 wrote to memory of 2740	2540	RdrCEF.exe	94
PID 2540 wrote to memory of 2740	2540	RdrCEF.exe	94
PID 2540 wrote to memory of 2740	2540	RdrCEF.exe	94
PID 2540 wrote to memory of 2740	2540	RdrCEF.exe	94
PID 2540 wrote to memory of 2740	2540	RdrCEF.exe	94
PID 2540 wrote to memory of 2740	2540	RdrCEF.exe	94
PID 2540 wrote to memory of 2740	2540	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\259e92adddfd0985750b7abc2c460be1.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:4480
- 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:2540
- - 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=D34087BA697F77965725FA5A1492F44E --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3288
- - 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=A6630AD2958B71940B61E8464633FE0F --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=A6630AD2958B71940B61E8464633FE0F --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2740
- - 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=884694173063F2F2EF8CB65421FADCFF --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1912
- - 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=354C8AF79B318C5A268267EBF7EEBB39 --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=354C8AF79B318C5A268267EBF7EEBB39 --renderer-client-id=5 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3628
- - 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=CB762E2F10C6974B71F732AB3DAC9AEC --mojo-platform-channel-handle=2528 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:744
- - 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=8CACCAE1BB77312A797505DC5FA43647 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3280

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
658fdb8b30e7becca0e0f591186f4d50

SHA1
821803c10a39baf60d0c825e25d3e3aae0b95d5e

SHA256
3c534be6c17f50e1a1cd8c19ce4734f1c175d117914c8952e9e8dc7a1d86d0d1

SHA512
953919cf6bb24806fdbde5f051fe23ea3b43eb140c566d992bbce6654e15e342080baaaaae08126f36478aeefe4465b167e11adab121fcf2fc5eac8bb5e64e40

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
memory/4480-27-0x000000000CDB0000-0x000000000CDD1000-memory.dmp

Filesize
132KB

Download