01967bffc96d8151fa6d542c0906487edde91404c75328eb3ff2fb3debf86a8e

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
08/01/2024, 05:14

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General

Target

4a87afd44751d0fe3ed12dad75f47cf7.pdf
Size

100KB
MD5

4a87afd44751d0fe3ed12dad75f47cf7
SHA1

aa5296d41e9ef4adb9ff06d2299756cf23fc7d0a
SHA256

01967bffc96d8151fa6d542c0906487edde91404c75328eb3ff2fb3debf86a8e
SHA512

4a08ae7a0b0d99ee5dc59dfdddd85d4505b0ca2129d0b436d6af056959a391027581f8c7db809fff4d223a0cec9cb152a2b859412588a150b84ae69dbc6a0001
SSDEEP

384:B3kjOZaPFZ0po04+20qqf5MdCoz0tv0Ri2SYD8w+0rC+CTR5n700k9p0oiXZqOTQ:AH

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
688	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 688 wrote to memory of 4112	688	AcroRd32.exe	91
PID 688 wrote to memory of 4112	688	AcroRd32.exe	91
PID 688 wrote to memory of 4112	688	AcroRd32.exe	91
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 4152	4112	RdrCEF.exe	92
PID 4112 wrote to memory of 2352	4112	RdrCEF.exe	93
PID 4112 wrote to memory of 2352	4112	RdrCEF.exe	93
PID 4112 wrote to memory of 2352	4112	RdrCEF.exe	93
PID 4112 wrote to memory of 2352	4112	RdrCEF.exe	93
PID 4112 wrote to memory of 2352	4112	RdrCEF.exe	93
PID 4112 wrote to memory of 2352	4112	RdrCEF.exe	93
PID 4112 wrote to memory of 2352	4112	RdrCEF.exe	93
PID 4112 wrote to memory of 2352	4112	RdrCEF.exe	93
PID 4112 wrote to memory of 2352	4112	RdrCEF.exe	93
PID 4112 wrote to memory of 2352	4112	RdrCEF.exe	93
PID 4112 wrote to memory of 2352	4112	RdrCEF.exe	93
PID 4112 wrote to memory of 2352	4112	RdrCEF.exe	93
PID 4112 wrote to memory of 2352	4112	RdrCEF.exe	93
PID 4112 wrote to memory of 2352	4112	RdrCEF.exe	93
PID 4112 wrote to memory of 2352	4112	RdrCEF.exe	93
PID 4112 wrote to memory of 2352	4112	RdrCEF.exe	93
PID 4112 wrote to memory of 2352	4112	RdrCEF.exe	93
PID 4112 wrote to memory of 2352	4112	RdrCEF.exe	93
PID 4112 wrote to memory of 2352	4112	RdrCEF.exe	93
PID 4112 wrote to memory of 2352	4112	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\4a87afd44751d0fe3ed12dad75f47cf7.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:688
- 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:4112
- - 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=545BF6CD10E7DDD0154B26FE60288E56 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4152
- - 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=FCBD952284BD61795CED926010048DD6 --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=FCBD952284BD61795CED926010048DD6 --renderer-client-id=2 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2352
- - 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=B19678D8C4BBC8835AAA438491281CF7 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3740
- - 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=1A017F71601E5CA9D4C05122C5130DDD --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1972
- - 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=8955178AABB6448D3158ACCCB8C9A1DD --mojo-platform-channel-handle=1676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:816
- - 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=40F958530C87DE8F92D6B853DE4FD0F8 --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=40F958530C87DE8F92D6B853DE4FD0F8 --renderer-client-id=8 --mojo-platform-channel-handle=2500 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1980

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2804

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
55ac867b32c7afe9df3faf2a903f35a1

SHA1
67cc0403915da1d644cc5b9fa4a4b7a9f33f7373

SHA256
81c8404c9e8a574b2aa41ae541da434139ab0bb6830c664a840d4f660649314f

SHA512
bd740b4b774e66654da3f13d6aacd2a0b99bf763c9ddcedfcf951da67144d0e30d71c66af75482fb8e629ab57e12ea2bccc696f09acfe212d72b8cd21a583c3b

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