489adb40e6f5cda95cd98d61be453285a2aaa4f2cdaf74f67e930b8be2fc2a70

Analysis

max time kernel
141s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19-01-2024 08:56

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General

Target

6735cdd18bc7714148ed80cff2d13e62.pdf
Size

82KB
MD5

6735cdd18bc7714148ed80cff2d13e62
SHA1

15727fe8a32de01d073a411b6f3fc987f83f401b
SHA256

489adb40e6f5cda95cd98d61be453285a2aaa4f2cdaf74f67e930b8be2fc2a70
SHA512

ea1cf29e2600225dd963621a725bfbad12db7462cfab0ef1a0d42d7ea6aa68806ed5d314fbd7475f45b6b54989e56a6d67a32108a689d2a6c3de914f745ad8a4
SSDEEP

1536:VLBvh5YZwv9K/+a0Bm92HclSYc+iRJRroFL32FBmevpVGoe9kHWQpOCoWIQa8AU/:ZX5EwhLB9kibRuCrbGF9kyC4QXAM

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
588	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 588 wrote to memory of 4460	588	AcroRd32.exe	94
PID 588 wrote to memory of 4460	588	AcroRd32.exe	94
PID 588 wrote to memory of 4460	588	AcroRd32.exe	94
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 3512	4460	RdrCEF.exe	95
PID 4460 wrote to memory of 2940	4460	RdrCEF.exe	96
PID 4460 wrote to memory of 2940	4460	RdrCEF.exe	96
PID 4460 wrote to memory of 2940	4460	RdrCEF.exe	96
PID 4460 wrote to memory of 2940	4460	RdrCEF.exe	96
PID 4460 wrote to memory of 2940	4460	RdrCEF.exe	96
PID 4460 wrote to memory of 2940	4460	RdrCEF.exe	96
PID 4460 wrote to memory of 2940	4460	RdrCEF.exe	96
PID 4460 wrote to memory of 2940	4460	RdrCEF.exe	96
PID 4460 wrote to memory of 2940	4460	RdrCEF.exe	96
PID 4460 wrote to memory of 2940	4460	RdrCEF.exe	96
PID 4460 wrote to memory of 2940	4460	RdrCEF.exe	96
PID 4460 wrote to memory of 2940	4460	RdrCEF.exe	96
PID 4460 wrote to memory of 2940	4460	RdrCEF.exe	96
PID 4460 wrote to memory of 2940	4460	RdrCEF.exe	96
PID 4460 wrote to memory of 2940	4460	RdrCEF.exe	96
PID 4460 wrote to memory of 2940	4460	RdrCEF.exe	96
PID 4460 wrote to memory of 2940	4460	RdrCEF.exe	96
PID 4460 wrote to memory of 2940	4460	RdrCEF.exe	96
PID 4460 wrote to memory of 2940	4460	RdrCEF.exe	96
PID 4460 wrote to memory of 2940	4460	RdrCEF.exe	96

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\6735cdd18bc7714148ed80cff2d13e62.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:588
- 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:4460
- - 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=E3240B41E1431033C77FC4EAD9EF15DA --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3512
- - 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=E7080B553C9533C50455ACB414D1EA59 --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=E7080B553C9533C50455ACB414D1EA59 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2940
- - 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=FD131A0B96AD3E5B9AA0E19BBF878B62 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3860
- - 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=7B5240113FD58EB0A267EF7C6143B73B --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=7B5240113FD58EB0A267EF7C6143B73B --renderer-client-id=5 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2124
- - 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=71835ACCA188FD0B7402021F41AD5ACC --mojo-platform-channel-handle=2532 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1032
- - 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=A532703ED769702B0FF63E60E0200A2E --mojo-platform-channel-handle=2012 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2868

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4748

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
490cc58b5bf1bcea03fb4fcfa4e34242

SHA1
e1ce7af43c46782581f164e89690c01b59085a8f

SHA256
c00e84188b84561eac04cb3941fd57b3903c17cb27e511078e5cbf9ce3816211

SHA512
9301fcd417060b9d3a806051f040708e315b51734b42d32f7803002f77a468eeb21cf8e6f9725eb809a25c6030511ac0ffce0303f8c6577e74d67b88fe9aa498

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/588-28-0x000000000AC10000-0x000000000AC31000-memory.dmp

Filesize
132KB

Download