6b75e4416c4aa6708b33f36ef9ff38e8d8631999b41f2513c8242d17cb0a8910

Analysis

max time kernel
163s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 20:28

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General

Target

031db3e6e8e3e0c2080491ee3057d519.pdf
Size

104KB
MD5

031db3e6e8e3e0c2080491ee3057d519
SHA1

d554ab4e61d10cead49099fb099aee63799fd240
SHA256

6b75e4416c4aa6708b33f36ef9ff38e8d8631999b41f2513c8242d17cb0a8910
SHA512

c64a492fb7422b43f23e41f109b6129d7418e770d12ba16e395f4ffb20114a4c2ea1ac86a50c08334e491e549a31474d955ae4fa6b7ad332dd7d2ecdb606569f
SSDEEP

1536:TlVMr6oQ0Du/4p7f6WPeCsFYlj/KA5g99jxySCtvOo1NjCH0cvWxB0I+35W8pO+g:qFDuAeTCrl5W9jxls23zw6IQ4+g

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
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4516	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4516 wrote to memory of 3044	4516	AcroRd32.exe	94
PID 4516 wrote to memory of 3044	4516	AcroRd32.exe	94
PID 4516 wrote to memory of 3044	4516	AcroRd32.exe	94
PID 4516 wrote to memory of 2432	4516	AcroRd32.exe	98
PID 4516 wrote to memory of 2432	4516	AcroRd32.exe	98
PID 4516 wrote to memory of 2432	4516	AcroRd32.exe	98
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3980	3044	RdrCEF.exe	99
PID 3044 wrote to memory of 3648	3044	RdrCEF.exe	100
PID 3044 wrote to memory of 3648	3044	RdrCEF.exe	100
PID 3044 wrote to memory of 3648	3044	RdrCEF.exe	100
PID 3044 wrote to memory of 3648	3044	RdrCEF.exe	100
PID 3044 wrote to memory of 3648	3044	RdrCEF.exe	100
PID 3044 wrote to memory of 3648	3044	RdrCEF.exe	100
PID 3044 wrote to memory of 3648	3044	RdrCEF.exe	100
PID 3044 wrote to memory of 3648	3044	RdrCEF.exe	100
PID 3044 wrote to memory of 3648	3044	RdrCEF.exe	100
PID 3044 wrote to memory of 3648	3044	RdrCEF.exe	100
PID 3044 wrote to memory of 3648	3044	RdrCEF.exe	100
PID 3044 wrote to memory of 3648	3044	RdrCEF.exe	100
PID 3044 wrote to memory of 3648	3044	RdrCEF.exe	100
PID 3044 wrote to memory of 3648	3044	RdrCEF.exe	100
PID 3044 wrote to memory of 3648	3044	RdrCEF.exe	100
PID 3044 wrote to memory of 3648	3044	RdrCEF.exe	100
PID 3044 wrote to memory of 3648	3044	RdrCEF.exe	100

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\031db3e6e8e3e0c2080491ee3057d519.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:4516
- 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: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=8409679CBDC7588CE655AB79CD3CB6A3 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3980
- - 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=E0A7D65D4605947CA5C29F1B99628B2A --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=E0A7D65D4605947CA5C29F1B99628B2A --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3648
- - 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=0DA67561012D4698B43248D123829781 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3736
- - 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=279DB06A21817C4B98322F31271DF262 --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=279DB06A21817C4B98322F31271DF262 --renderer-client-id=5 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3464
- - 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=C40DD193EE2339AA6D018B93095BD5A9 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2724
- - 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=5543E4729475C0D2BEAE5AEB139E1AE1 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3320
- 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⤵
  PID:2432

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4104

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
20c8476a68c7251b55989b8f76acd2c3

SHA1
710c03c2717ef2a83276ec99d3be3b8ad0b8a6fd

SHA256
0c019afdeaa7092b3098bf68532ad57d6bdf77c42aa8a062deeab5dc936a65df

SHA512
22b2a7f49c7a85c24838ba34d201184a09594879897dade44f30034f4647a217b4172210b08cf89228a4b843105ab3f13557089d44f6184c8a83e6569b29d0eb

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