51ded25448902052b5683e79419a30c07d6056a95a19aa372280babf332a0480

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14/01/2024, 11:34

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General

Target

5b2298866a1eb8e58a63a1ff048699d0.pdf
Size

95KB
MD5

5b2298866a1eb8e58a63a1ff048699d0
SHA1

4859e5360089fa9d9ea533b10c24257a558cf70e
SHA256

51ded25448902052b5683e79419a30c07d6056a95a19aa372280babf332a0480
SHA512

f0cc4108b148202968e19807de6295ea02e153480eb48bc76ca005cf6e41e89493261de227a55003e98af6bc381502ba99f24f6b8e406daca895c7e29313688b
SSDEEP

1536:kVOSWK78+frTTPj0T0vJJjXkwYnehYcSq+HAmgEJfIBPO3Q2W8pOG9vuOwiYIW6X:MOFK5r/PvJZK8Yc1+g4IBrlGkViYYlfB

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4620	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4620 wrote to memory of 3316	4620	AcroRd32.exe	91
PID 4620 wrote to memory of 3316	4620	AcroRd32.exe	91
PID 4620 wrote to memory of 3316	4620	AcroRd32.exe	91
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 2540	3316	RdrCEF.exe	92
PID 3316 wrote to memory of 3796	3316	RdrCEF.exe	93
PID 3316 wrote to memory of 3796	3316	RdrCEF.exe	93
PID 3316 wrote to memory of 3796	3316	RdrCEF.exe	93
PID 3316 wrote to memory of 3796	3316	RdrCEF.exe	93
PID 3316 wrote to memory of 3796	3316	RdrCEF.exe	93
PID 3316 wrote to memory of 3796	3316	RdrCEF.exe	93
PID 3316 wrote to memory of 3796	3316	RdrCEF.exe	93
PID 3316 wrote to memory of 3796	3316	RdrCEF.exe	93
PID 3316 wrote to memory of 3796	3316	RdrCEF.exe	93
PID 3316 wrote to memory of 3796	3316	RdrCEF.exe	93
PID 3316 wrote to memory of 3796	3316	RdrCEF.exe	93
PID 3316 wrote to memory of 3796	3316	RdrCEF.exe	93
PID 3316 wrote to memory of 3796	3316	RdrCEF.exe	93
PID 3316 wrote to memory of 3796	3316	RdrCEF.exe	93
PID 3316 wrote to memory of 3796	3316	RdrCEF.exe	93
PID 3316 wrote to memory of 3796	3316	RdrCEF.exe	93
PID 3316 wrote to memory of 3796	3316	RdrCEF.exe	93
PID 3316 wrote to memory of 3796	3316	RdrCEF.exe	93
PID 3316 wrote to memory of 3796	3316	RdrCEF.exe	93
PID 3316 wrote to memory of 3796	3316	RdrCEF.exe	93

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\5b2298866a1eb8e58a63a1ff048699d0.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:4620
- 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:3316
- - 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=94F762A0A59329A140F0D5120C1D98D0 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2540
- - 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=2A843473DA3D06FDE6805C871484859B --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=2A843473DA3D06FDE6805C871484859B --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3796
- - 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=F0655154C86479630637ECEB58A05E9C --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=F0655154C86479630637ECEB58A05E9C --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4728
- - 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=00F50C37F3020026F2160386CD045118 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4748
- - 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=BA2767323336AFFA20F09DBA34B01CF5 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:548
- - 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=1EC5DF8CB18D1E1E7282066903DAAF45 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4560

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
1bdf8425e4fc934ad7ca9ce4e3617e27

SHA1
19353c7b7d74d2ef2b7fc7f758554c1124c000c5

SHA256
507f344190306e8ddfdb868ad7b8b93e86d1d9e25c6a7ea67b4c6233203cb70d

SHA512
dd25c14c334f183a1cd9c5910e65b60d6b8dc1ad3fe0c9c3d54a81f4ac054d801ea37f4068ed12944034bf9f9263a98f4872d9c94be419f13a41386cc5fac1ca

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