6e6d2bc33bbaa11b393194d82b903c798810a140870edb93be54581ef878889d

Analysis

max time kernel
148s
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
26/12/2023, 03:58

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General

Target

524e83f8d2536637698a5a3888bc721f.pdf
Size

76KB
MD5

524e83f8d2536637698a5a3888bc721f
SHA1

fd4a3543b4bb4ef056748ac0cd4e0d55cfeac665
SHA256

6e6d2bc33bbaa11b393194d82b903c798810a140870edb93be54581ef878889d
SHA512

8a68976be610378aa4a6410b8920e53fae7f6e4bd7e24fb1505e4baad9f2e865cac2816d17ecb3dcc8024852366c17087f405c278210703111df7fea1e59a7f1
SSDEEP

1536:quNb+BgMAzXXZVbdrGnEuBvOYNS/4I53ijcpWypOlLfb9W8zYmNS+On:1t+BglXZFdriBv9Qz3mcSlLDKaE

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1824	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1824 wrote to memory of 692	1824	AcroRd32.exe	93
PID 1824 wrote to memory of 692	1824	AcroRd32.exe	93
PID 1824 wrote to memory of 692	1824	AcroRd32.exe	93
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 3824	692	RdrCEF.exe	96
PID 692 wrote to memory of 408	692	RdrCEF.exe	97
PID 692 wrote to memory of 408	692	RdrCEF.exe	97
PID 692 wrote to memory of 408	692	RdrCEF.exe	97
PID 692 wrote to memory of 408	692	RdrCEF.exe	97
PID 692 wrote to memory of 408	692	RdrCEF.exe	97
PID 692 wrote to memory of 408	692	RdrCEF.exe	97
PID 692 wrote to memory of 408	692	RdrCEF.exe	97
PID 692 wrote to memory of 408	692	RdrCEF.exe	97
PID 692 wrote to memory of 408	692	RdrCEF.exe	97
PID 692 wrote to memory of 408	692	RdrCEF.exe	97
PID 692 wrote to memory of 408	692	RdrCEF.exe	97
PID 692 wrote to memory of 408	692	RdrCEF.exe	97
PID 692 wrote to memory of 408	692	RdrCEF.exe	97
PID 692 wrote to memory of 408	692	RdrCEF.exe	97
PID 692 wrote to memory of 408	692	RdrCEF.exe	97
PID 692 wrote to memory of 408	692	RdrCEF.exe	97
PID 692 wrote to memory of 408	692	RdrCEF.exe	97
PID 692 wrote to memory of 408	692	RdrCEF.exe	97
PID 692 wrote to memory of 408	692	RdrCEF.exe	97
PID 692 wrote to memory of 408	692	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\524e83f8d2536637698a5a3888bc721f.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:1824
- 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:692
- - 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=02FA280613876F30FC938DE0E1FF85BA --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3824
- - 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=8B6792B5E00210C75943558D5BDE7FA7 --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=8B6792B5E00210C75943558D5BDE7FA7 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:408
- - 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=7BA05494726413DCB1FC053C6CA06A75 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4640
- - 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=4420133A79F7A8BE85D6F9C6DE8EB6CA --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3648
- - 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=52EBE3E6C3F96508DA89C0808E47E318 --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=52EBE3E6C3F96508DA89C0808E47E318 --renderer-client-id=6 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2224
- - 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=D04A4D4F26DAE36FEDFE2F7F91ACB5B3 --mojo-platform-channel-handle=2640 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4836

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2840

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
0d58148a640c52b34a514218522b951a

SHA1
0a2a63d657d2240f800a6779a415080332516b41

SHA256
1dd4668f1113ecaf201f7fda9b0628809c9689639ac076a581baf291d23ec1d4

SHA512
5886cb6f1aa59b3656a2582995fd8d17d81aa4e797218aae7213887bda3978035b3bdba3a15ddf5143fc8b600d774e6337269732b6e3b32655b8601aa81ab83e

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