5fc21aa1faf16f6773448d0348ec97e531a0ca873ed7b59cb6ef2e854193a87a

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2023 21:56

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General

Target

14117630261042a3847e813a43115d6a.pdf
Size

87KB
MD5

14117630261042a3847e813a43115d6a
SHA1

e818579f8b7fea9d89acd95390e0b08c3c55b5da
SHA256

5fc21aa1faf16f6773448d0348ec97e531a0ca873ed7b59cb6ef2e854193a87a
SHA512

90558856c1a0cdd22b863c71dd1516ec79c1f536a992287aa031aadb3720e017f80cca52b293b86cc9077e7cb8ad6a404bb87b711d02f3a93fe682dd277d6a7d
SSDEEP

1536:KWmyDZCusLz1gTo/vh75Un+2DpJE+aW38BwmzW8pOGKR5ifIWwQBXM8g:tmyDZCTVgTo/vvY+2DpJhCaGK+fAGq

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1424	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1424 wrote to memory of 1856	1424	AcroRd32.exe	91
PID 1424 wrote to memory of 1856	1424	AcroRd32.exe	91
PID 1424 wrote to memory of 1856	1424	AcroRd32.exe	91
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 4304	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 808	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 808	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 808	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 808	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 808	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 808	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 808	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 808	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 808	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 808	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 808	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 808	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 808	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 808	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 808	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 808	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 808	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 808	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 808	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 808	1856	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\14117630261042a3847e813a43115d6a.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:1424
- 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:1856
- - 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=BA116744E36BB5884ACCD7B288612B9D --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4304
- - 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=B38586B4CB7CC4A4C04842412C55A592 --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=B38586B4CB7CC4A4C04842412C55A592 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:808
- - 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=354022E3F62749E3EFFBEA41B4B7F4FF --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=354022E3F62749E3EFFBEA41B4B7F4FF --renderer-client-id=4 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2400
- - 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=FC9EB079929A977A9C0BE0CD61D8F6EB --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3620
- - 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=863B476BFEE5937254B015BC9B81C6ED --mojo-platform-channel-handle=2596 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1372
- - 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=21BD47D812832BE9F2293EEBBE9606BF --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4332

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3132

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
71fbe3e06757a3072b6322c052ba6ac9

SHA1
aa9d878553e699fe06666c327ed4f30ebbe4f20a

SHA256
d49579660a7cb9278e7fbcee08ef360cf2f66511c8f9ffaecce5cce940a3996d

SHA512
d52c6cae401280c64c5aef0da26f309c4c0ea815c1a763d8604bffbd20a7fc53b95dd0416d1ed73641dff7b0a5c1f6d1bffa7086812288b95ad657a49fd0913b

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