f76f03f16b3ea30da7161d755d9f6c4418aacda886d82830e994d01323a710b6

Analysis

max time kernel
6s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
08/01/2024, 21:27

Sharing

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General

Target

4c7e5f8c4ef42adaa8b7066656f7675a.pdf
Size

85KB
MD5

4c7e5f8c4ef42adaa8b7066656f7675a
SHA1

86fc9e0d01fc7cc19d433284f33c21741f1f8fd5
SHA256

f76f03f16b3ea30da7161d755d9f6c4418aacda886d82830e994d01323a710b6
SHA512

64c945347882f470f819e13f0c4e3869fe640327518d3702dc3f9adfe55cb6150b469497335a806cd16aa5308a8ac86192a7b4d3157c6fc5faf48fe07d76f108
SSDEEP

1536:4ovkAocxr/wGCDWsp+xHvyTbJ6kiwdvaqaP/rEBfi9yjRDMkvFNPc4s+X3hCzmFy:rooLEgQ60dSpXWfbjRDdPc4sgEKFy

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 use of FindShellTrayWindow 1 IoCs

pid	Process
1868	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 964	1868	AcroRd32.exe	95
PID 1868 wrote to memory of 964	1868	AcroRd32.exe	95
PID 1868 wrote to memory of 964	1868	AcroRd32.exe	95
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 2432	964	RdrCEF.exe	96
PID 964 wrote to memory of 3424	964	RdrCEF.exe	97
PID 964 wrote to memory of 3424	964	RdrCEF.exe	97
PID 964 wrote to memory of 3424	964	RdrCEF.exe	97
PID 964 wrote to memory of 3424	964	RdrCEF.exe	97
PID 964 wrote to memory of 3424	964	RdrCEF.exe	97
PID 964 wrote to memory of 3424	964	RdrCEF.exe	97
PID 964 wrote to memory of 3424	964	RdrCEF.exe	97
PID 964 wrote to memory of 3424	964	RdrCEF.exe	97
PID 964 wrote to memory of 3424	964	RdrCEF.exe	97
PID 964 wrote to memory of 3424	964	RdrCEF.exe	97
PID 964 wrote to memory of 3424	964	RdrCEF.exe	97
PID 964 wrote to memory of 3424	964	RdrCEF.exe	97
PID 964 wrote to memory of 3424	964	RdrCEF.exe	97
PID 964 wrote to memory of 3424	964	RdrCEF.exe	97
PID 964 wrote to memory of 3424	964	RdrCEF.exe	97
PID 964 wrote to memory of 3424	964	RdrCEF.exe	97
PID 964 wrote to memory of 3424	964	RdrCEF.exe	97
PID 964 wrote to memory of 3424	964	RdrCEF.exe	97
PID 964 wrote to memory of 3424	964	RdrCEF.exe	97
PID 964 wrote to memory of 3424	964	RdrCEF.exe	97

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\4c7e5f8c4ef42adaa8b7066656f7675a.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1868
- 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:964
- - 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=F8A9843AD6D3591B957374AFF2BB0DD2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=AA714773FF3B7B0673C7B2166E1BA035 --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=AA714773FF3B7B0673C7B2166E1BA035 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3424
- - 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=C9DDD90EE8D15B8F6A1F3DF40C9D4EFA --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4380
- - 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=8CEDDED20CA179BDA6A3F152EDFB7DF3 --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=8CEDDED20CA179BDA6A3F152EDFB7DF3 --renderer-client-id=5 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1836
- - 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=5493A77A59A1828EFD76F0E106204996 --mojo-platform-channel-handle=2532 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3484
- - 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=E30F68F2C539675A6C03AD5CE94AB5BB --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5008

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
87a78d3bac11e0037af0045e95e8a520

SHA1
dbcad3ee83b7246c1e3246598068b9e9f20c8895

SHA256
3ee2ce7d3021b596cb397d9432b1d7c5a99956172ceec9aafdf139078741516b

SHA512
00d01ec9c7fa913f07515ce5b2f1439a257c10a671e6f3fc034bec9cf82e02527442acfccdd26a6c37defc0c1e4b73f3c28103c4af1f50c562051c0e5cbdf65e

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/1868-27-0x000000000C060000-0x000000000C081000-memory.dmp

Filesize
132KB

Download