c391327920426977d5d81d4aafa4237cdacdfe84df44370e4233c8d717323a7e

Analysis

max time kernel
94s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
17/06/2024, 01:59

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General

Target

c391327920426977d5d81d4aafa4237cdacdfe84df44370e4233c8d717323a7e.pdf
Size

162KB
MD5

d2ffd2c6bcdcd355358c42c2b4ec6c59
SHA1

a26c261f6a5b78d625f14c92f183aad38d5e9a3a
SHA256

c391327920426977d5d81d4aafa4237cdacdfe84df44370e4233c8d717323a7e
SHA512

25d9ece26985282d32869829c38e7c23acc7e9eed20905d0ca994510e9ee39c3cca0f29f51bcd6b6bc481a50ec9e5e1301c0082a7b0d0886ef76e409ce81f5ca
SSDEEP

3072:Bf7P9ASPgM5VChclN1WZey7du/3VFpWx7g+Gu4ZIa1c9szFiYtZ:d1ASdO2W0y7dunkr/a1c9sBiyZ

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3520	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3520 wrote to memory of 5012	3520	AcroRd32.exe	85
PID 3520 wrote to memory of 5012	3520	AcroRd32.exe	85
PID 3520 wrote to memory of 5012	3520	AcroRd32.exe	85
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 4960	5012	RdrCEF.exe	86
PID 5012 wrote to memory of 3100	5012	RdrCEF.exe	87
PID 5012 wrote to memory of 3100	5012	RdrCEF.exe	87
PID 5012 wrote to memory of 3100	5012	RdrCEF.exe	87
PID 5012 wrote to memory of 3100	5012	RdrCEF.exe	87
PID 5012 wrote to memory of 3100	5012	RdrCEF.exe	87
PID 5012 wrote to memory of 3100	5012	RdrCEF.exe	87
PID 5012 wrote to memory of 3100	5012	RdrCEF.exe	87
PID 5012 wrote to memory of 3100	5012	RdrCEF.exe	87
PID 5012 wrote to memory of 3100	5012	RdrCEF.exe	87
PID 5012 wrote to memory of 3100	5012	RdrCEF.exe	87
PID 5012 wrote to memory of 3100	5012	RdrCEF.exe	87
PID 5012 wrote to memory of 3100	5012	RdrCEF.exe	87
PID 5012 wrote to memory of 3100	5012	RdrCEF.exe	87
PID 5012 wrote to memory of 3100	5012	RdrCEF.exe	87
PID 5012 wrote to memory of 3100	5012	RdrCEF.exe	87
PID 5012 wrote to memory of 3100	5012	RdrCEF.exe	87
PID 5012 wrote to memory of 3100	5012	RdrCEF.exe	87
PID 5012 wrote to memory of 3100	5012	RdrCEF.exe	87
PID 5012 wrote to memory of 3100	5012	RdrCEF.exe	87
PID 5012 wrote to memory of 3100	5012	RdrCEF.exe	87

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\c391327920426977d5d81d4aafa4237cdacdfe84df44370e4233c8d717323a7e.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:3520
- 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:5012
- - 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=7C6B2CF39EB8F5B011CCD8B6310B5602 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4960
- - 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=25BA3E528EF73D3110566325C3392765 --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=25BA3E528EF73D3110566325C3392765 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3100
- - 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=21AB0FF262D9EAB6671D37A93F9644D8 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2372
- - 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=55FE0DDAC393B0705E736253537C6CBE --mojo-platform-channel-handle=2468 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3952
- - 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=CE5C62620B909590881911FE0C4B9DD6 --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=CE5C62620B909590881911FE0C4B9DD6 --renderer-client-id=6 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2024
- - 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=DF4EF07E56D17BA6913B9E8C15A9A48D --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4400

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4268

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
81b30edef6f085fdbc3d7d48fabf8400

SHA1
17c333898a83e30e6521a379f918214ef26acdfe

SHA256
9397dcd3ff3ea1f88ab306aad3fbb6ff6725623d74ffda7fb3308e4e66b474b3

SHA512
7a49076cc7a943e88c448b126d98688f5c8464be6827be35dff5b3818085f34e67a372b2886042ee7045cebe12843d14d1db3270708024b044bd24ea7614156b

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