f9eccd82a40b03afa093c887b3efde9207918b864ab703017243fa88c4e12c5e

Analysis

max time kernel
169s
max time network
178s
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, 06:09

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General

Target

2b4359f53e0b37f55bb14796e8419245.pdf
Size

71KB
MD5

2b4359f53e0b37f55bb14796e8419245
SHA1

ef1c086de45b61665ee6b777c5725440e8f00e40
SHA256

f9eccd82a40b03afa093c887b3efde9207918b864ab703017243fa88c4e12c5e
SHA512

622a8952bf4f477ffb32f4af04bb8c6006af23e7ee5f5dee2556b909d1124f4907b0b2d705aeb6ac2db3defe4ff79fde3ba5965bee705f1a17dd4acfa64b142c
SSDEEP

1536:J/tMld2WTZRQk726awr28lw3ysNV38yP+/A/QsikNsmeWOpOaZEWoPtzbWn0:9tAldWEawrnky8Vs2Vp3ymzaZklzf

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
416	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 416 wrote to memory of 4804	416	AcroRd32.exe	93
PID 416 wrote to memory of 4804	416	AcroRd32.exe	93
PID 416 wrote to memory of 4804	416	AcroRd32.exe	93
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 5036	4804	RdrCEF.exe	97
PID 4804 wrote to memory of 3748	4804	RdrCEF.exe	98
PID 4804 wrote to memory of 3748	4804	RdrCEF.exe	98
PID 4804 wrote to memory of 3748	4804	RdrCEF.exe	98
PID 4804 wrote to memory of 3748	4804	RdrCEF.exe	98
PID 4804 wrote to memory of 3748	4804	RdrCEF.exe	98
PID 4804 wrote to memory of 3748	4804	RdrCEF.exe	98
PID 4804 wrote to memory of 3748	4804	RdrCEF.exe	98
PID 4804 wrote to memory of 3748	4804	RdrCEF.exe	98
PID 4804 wrote to memory of 3748	4804	RdrCEF.exe	98
PID 4804 wrote to memory of 3748	4804	RdrCEF.exe	98
PID 4804 wrote to memory of 3748	4804	RdrCEF.exe	98
PID 4804 wrote to memory of 3748	4804	RdrCEF.exe	98
PID 4804 wrote to memory of 3748	4804	RdrCEF.exe	98
PID 4804 wrote to memory of 3748	4804	RdrCEF.exe	98
PID 4804 wrote to memory of 3748	4804	RdrCEF.exe	98
PID 4804 wrote to memory of 3748	4804	RdrCEF.exe	98
PID 4804 wrote to memory of 3748	4804	RdrCEF.exe	98
PID 4804 wrote to memory of 3748	4804	RdrCEF.exe	98
PID 4804 wrote to memory of 3748	4804	RdrCEF.exe	98
PID 4804 wrote to memory of 3748	4804	RdrCEF.exe	98

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\2b4359f53e0b37f55bb14796e8419245.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:416
- 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:4804
- - 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=EF7F29F2960B31E6962DED21B40F0911 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5036
- - 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=AA9DEF33FC7A35146569B62A87561D36 --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=AA9DEF33FC7A35146569B62A87561D36 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3748
- - 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=6B425EAB4518CD577BD3B3435DF24C43 --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=6B425EAB4518CD577BD3B3435DF24C43 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4568
- - 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=96B04681718C7F2017040868DC6319CE --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3044
- - 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=498A44396C72572A83AB312338DE0872 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2252
- - 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=321274DFFBE40FED5E94BCFD84B0D7CD --mojo-platform-channel-handle=1864 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1680

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2548

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
4995121db2d03c6c71a15d3c7e3613ed

SHA1
de0011aef8fb6c96682f2f912f2eaae94c824b45

SHA256
94c38b5be3dfc9fdb2cb67c8750f87096b3fc592828569a710d3935a499b74d7

SHA512
fbff2b3ef67244c6ec35820bdaa7863f5f31f63ecad397268c71d80f1b18a4d762b3e8faa10cbb1028805900c114afa9fa83cc26794461add5046b916282a8e9

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