954643cba7f4fcde2e653d19223f0679fc9422dac59113b50120116b50aaee31

Analysis

max time kernel
141s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
29-04-2024 06:54

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General

Target

FDESRWF__124560.pdf
Size

149KB
MD5

83596f84e20433329822c78fcc3bab56
SHA1

c0d8b39ce664bef63848e5d500df0bf6620ff6ee
SHA256

954643cba7f4fcde2e653d19223f0679fc9422dac59113b50120116b50aaee31
SHA512

94c3bcdfb1c42d7c078b3d9d31ba0559201fc92500b528c5a95c02eefbc73d4110641acd3e5f79df15376c99202bef8eff90c23e5e2817645b88ae296266eb89
SSDEEP

3072:VlNkhX37RlXUAP03JeCbWm14rmHO962Zy3qlWR136E9U:VlW3v03JZ52mHO91yz/qcU

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-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4976	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4976 wrote to memory of 1612	4976	AcroRd32.exe	84
PID 4976 wrote to memory of 1612	4976	AcroRd32.exe	84
PID 4976 wrote to memory of 1612	4976	AcroRd32.exe	84
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1900	1612	RdrCEF.exe	85
PID 1612 wrote to memory of 1332	1612	RdrCEF.exe	86
PID 1612 wrote to memory of 1332	1612	RdrCEF.exe	86
PID 1612 wrote to memory of 1332	1612	RdrCEF.exe	86
PID 1612 wrote to memory of 1332	1612	RdrCEF.exe	86
PID 1612 wrote to memory of 1332	1612	RdrCEF.exe	86
PID 1612 wrote to memory of 1332	1612	RdrCEF.exe	86
PID 1612 wrote to memory of 1332	1612	RdrCEF.exe	86
PID 1612 wrote to memory of 1332	1612	RdrCEF.exe	86
PID 1612 wrote to memory of 1332	1612	RdrCEF.exe	86
PID 1612 wrote to memory of 1332	1612	RdrCEF.exe	86
PID 1612 wrote to memory of 1332	1612	RdrCEF.exe	86
PID 1612 wrote to memory of 1332	1612	RdrCEF.exe	86
PID 1612 wrote to memory of 1332	1612	RdrCEF.exe	86
PID 1612 wrote to memory of 1332	1612	RdrCEF.exe	86
PID 1612 wrote to memory of 1332	1612	RdrCEF.exe	86
PID 1612 wrote to memory of 1332	1612	RdrCEF.exe	86
PID 1612 wrote to memory of 1332	1612	RdrCEF.exe	86
PID 1612 wrote to memory of 1332	1612	RdrCEF.exe	86
PID 1612 wrote to memory of 1332	1612	RdrCEF.exe	86
PID 1612 wrote to memory of 1332	1612	RdrCEF.exe	86

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\FDESRWF__124560.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:4976
- 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:1612
- - 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=396F6D489471E3762CEC7771C31E9B6A --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1900
- - 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=AEDE4B6B4C333A3AE9FB30A3B9166D0C --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=AEDE4B6B4C333A3AE9FB30A3B9166D0C --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1332
- - 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=FE5AA2B7603243D5B27786BC270044DD --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2000
- - 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=6FE6A599C09DEE73AD6335945045B02A --mojo-platform-channel-handle=1904 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1140
- - 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=7DCA9DC99A4E750062B6BF8554E0A12C --mojo-platform-channel-handle=2496 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1452
- - 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=5E4BDF466FA188649855A40BDDFB2048 --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=5E4BDF466FA188649855A40BDDFB2048 --renderer-client-id=7 --mojo-platform-channel-handle=1892 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4660

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
a8edd02dda8788e33e5bb48e0f65ce31

SHA1
7540dd3a515759a59535bb73dc8242b565595048

SHA256
d3293964c1b33e8b89e706eef0005a1028de0fafe4e21a32d8cc64d63066de6a

SHA512
6e01eeb0eb02552a18b85dd4e11b500776efb617fca7b3a8d8d45e4f35920995192bc82157da174fda1799ebda388db6cff99f21642443fe06fecdb141abe8ec

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/4976-121-0x000000000B0D0000-0x000000000B37B000-memory.dmp

Filesize
2.7MB

Download