73702c2f70a74133ace79da6f1ce4cbb26b39f406e86ad3a299ea2c719c3f6e7

Analysis

max time kernel
150s
max time network
157s
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, 04:40

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General

Target

54ee10b979d851e8ce9ebfa8aa2b6367.pdf
Size

89KB
MD5

54ee10b979d851e8ce9ebfa8aa2b6367
SHA1

bf96facc2ff72ed93ae1bfc1e520edce693c4c20
SHA256

73702c2f70a74133ace79da6f1ce4cbb26b39f406e86ad3a299ea2c719c3f6e7
SHA512

2b3244fcbdba25e2327bf3b6f4a83009fa008d58b492f3fc57ce64c3d1f40a260cf3c5e0327c3868886dfb547c2cb6d812e0746228825152e00357c8eb025e82
SSDEEP

1536:dDwbcAV77/EDYBAtkFZETWUbIFgbr8zAzDCPWBSqkGAdUEzlrEAfWWUpO7lw1I:lwbc87/NAtha5Y8zkDUdUulYAfh7/

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
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2612	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2612 wrote to memory of 4084	2612	AcroRd32.exe	93
PID 2612 wrote to memory of 4084	2612	AcroRd32.exe	93
PID 2612 wrote to memory of 4084	2612	AcroRd32.exe	93
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 2192	4084	RdrCEF.exe	96
PID 4084 wrote to memory of 4072	4084	RdrCEF.exe	97
PID 4084 wrote to memory of 4072	4084	RdrCEF.exe	97
PID 4084 wrote to memory of 4072	4084	RdrCEF.exe	97
PID 4084 wrote to memory of 4072	4084	RdrCEF.exe	97
PID 4084 wrote to memory of 4072	4084	RdrCEF.exe	97
PID 4084 wrote to memory of 4072	4084	RdrCEF.exe	97
PID 4084 wrote to memory of 4072	4084	RdrCEF.exe	97
PID 4084 wrote to memory of 4072	4084	RdrCEF.exe	97
PID 4084 wrote to memory of 4072	4084	RdrCEF.exe	97
PID 4084 wrote to memory of 4072	4084	RdrCEF.exe	97
PID 4084 wrote to memory of 4072	4084	RdrCEF.exe	97
PID 4084 wrote to memory of 4072	4084	RdrCEF.exe	97
PID 4084 wrote to memory of 4072	4084	RdrCEF.exe	97
PID 4084 wrote to memory of 4072	4084	RdrCEF.exe	97
PID 4084 wrote to memory of 4072	4084	RdrCEF.exe	97
PID 4084 wrote to memory of 4072	4084	RdrCEF.exe	97
PID 4084 wrote to memory of 4072	4084	RdrCEF.exe	97
PID 4084 wrote to memory of 4072	4084	RdrCEF.exe	97
PID 4084 wrote to memory of 4072	4084	RdrCEF.exe	97
PID 4084 wrote to memory of 4072	4084	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\54ee10b979d851e8ce9ebfa8aa2b6367.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:2612
- 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:4084
- - 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=B4216D3CF0064703A85A3D200CA00D33 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2192
- - 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=1D6BF0EE185FE64A7A65D565D531506E --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=1D6BF0EE185FE64A7A65D565D531506E --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4072
- - 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=7A5B6E5B5037EC38269B3F6D91065FB4 --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=7A5B6E5B5037EC38269B3F6D91065FB4 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4676
- - 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=F088273C75306A98306759FE05D9D7B3 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4904
- - 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=117B1BC0037F6AE6A1B6B9CB26D1E6BF --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2144
- - 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=AADF996038969FA5DAD6A526D9220FC0 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1216

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2604

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
b5e04864b593b33c855242f85f2227fe

SHA1
7812ff29c4c2edc6266ae0fe209604d3852475a3

SHA256
fdd32b61b919de2847cc932efd9ba8480e16f0b247d7ae6e2d6afbc37f7485b2

SHA512
33b0410f9d77a870acc6bdda4fd54183f85f87c5c3be4c1d2949a7f99614bf7c22ab735b39aa9ed630688b2aac14c4a03b77a7278d35fe698b057490e4fc7ca0

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