a910639b584e90b52d170826c8f0f5dfe6f28313ba97275fe472026273db156f

Analysis

max time kernel
141s
max time network
150s
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, 13:32

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General

Target

3441389c03118c1384375f30ab615cff.pdf
Size

36KB
MD5

3441389c03118c1384375f30ab615cff
SHA1

50005e81b69034e2e0a6cdc08801e352cfa5fdbe
SHA256

a910639b584e90b52d170826c8f0f5dfe6f28313ba97275fe472026273db156f
SHA512

761ace248e43896e1ef339fa31399a67ee5dee5f68e2ee00a041e02bda79f0228475e87a98b47b2f5ae5bc49702778bb9b3b6dbb3089f338fc4c7665819d752a
SSDEEP

768:MzD7mI8vIanamJia3EpPwUBnVC1W4dAUo9hH:aD7mAanZ4a8BVgdAUo9hH

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2900	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2900 wrote to memory of 2336	2900	AcroRd32.exe	93
PID 2900 wrote to memory of 2336	2900	AcroRd32.exe	93
PID 2900 wrote to memory of 2336	2900	AcroRd32.exe	93
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 4128	2336	RdrCEF.exe	94
PID 2336 wrote to memory of 760	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 760	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 760	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 760	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 760	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 760	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 760	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 760	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 760	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 760	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 760	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 760	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 760	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 760	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 760	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 760	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 760	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 760	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 760	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 760	2336	RdrCEF.exe	95

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\3441389c03118c1384375f30ab615cff.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:2900
- 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:2336
- - 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=FB420BC29CD236DB91DB63B69C2F65BA --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4128
- - 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=5C6ADD8AD5EFDC753FB04381C8C9060D --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=5C6ADD8AD5EFDC753FB04381C8C9060D --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:760
- - 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=079A0FC0C398A332CDC8AF951CCA6AC8 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3248
- - 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=A242FF8587BA4A50068B95CB4DFED256 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3888
- - 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=47061A43D7B5DF83A23174044AE1AC01 --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=47061A43D7B5DF83A23174044AE1AC01 --renderer-client-id=6 --mojo-platform-channel-handle=1912 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1800
- - 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=C03275E465CAC6415080C8AD342753DB --mojo-platform-channel-handle=2712 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:228

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4852

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
514497ad12d359f32f69e32332b8a1a5

SHA1
1340952c4cc62c0c90d36c2b9576e70c963c00ae

SHA256
24dea214d506aa2578c7872e84696b07ead5750f038c071babf88e259af9396e

SHA512
66df9ae4bfa11bc207964d3287842d5f0b9376f05d1fcefc97b5b501c014996413b9da799b3a45d2fbd7d6bdc06bf92c8e5d7b47b2502e0fe7472bcca1a2c704

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/2900-27-0x000000000A450000-0x000000000A471000-memory.dmp

Filesize
132KB

Download