b8c1cc75bd4af735304e23421fe599f84535a6e7b824342e3a824a1d7e453250

Analysis

max time kernel
141s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
01/02/2024, 16:16

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General

Target

87551d39212e9042b42e6d11ff0abec8.pdf
Size

87KB
MD5

87551d39212e9042b42e6d11ff0abec8
SHA1

c3ff2feca8ee9e719702e755f966a7dd527bc1bf
SHA256

b8c1cc75bd4af735304e23421fe599f84535a6e7b824342e3a824a1d7e453250
SHA512

14d5cac9ce9154e6da2754d70dc6e7a1c31f5c1a48737728d96336568bd9690b72fb6a45fa523e315de8fea295fa40f4a704fdafe849834d182bbd1508a21c04
SSDEEP

1536:KU2yV8vdAN10RXsmeCniFRj9Tnvl/CgJOef/9HeAayYMg7xGtSM0WcTWFgDGzRUK:Ayi1412e7F/vZCgwef1Hekxg7ilc0P+K

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2464	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2464 wrote to memory of 4496	2464	AcroRd32.exe	89
PID 2464 wrote to memory of 4496	2464	AcroRd32.exe	89
PID 2464 wrote to memory of 4496	2464	AcroRd32.exe	89
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 1280	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 528	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 528	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 528	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 528	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 528	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 528	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 528	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 528	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 528	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 528	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 528	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 528	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 528	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 528	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 528	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 528	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 528	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 528	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 528	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 528	4496	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\87551d39212e9042b42e6d11ff0abec8.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:2464
- 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:4496
- - 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=3224FB9BCAF00E0CC6D2550962E3768E --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1280
- - 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=DE94A56C96307D347FE900C6C619A778 --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=DE94A56C96307D347FE900C6C619A778 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:528
- - 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=F2210A7E8E9BBC728A0980052687CFBD --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2052
- - 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=1573380FAB861A6C2D2AC61F44073DEF --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1064
- - 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=51879B18F54A96FCD6E0915B69721F46 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2944
- - 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=9B253BC0ABFF9392CE25A1F96532EB2A --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=9B253BC0ABFF9392CE25A1F96532EB2A --renderer-client-id=7 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4484

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2320

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
7501ddd7946170b90ce1e07aca55c050

SHA1
4bbc9900e50fbae47f115acb9ffaa324bdcc36ec

SHA256
a13fd671482319624ce08311eca69cbded1766310560e6eb7fe81ea960624e2a

SHA512
3bb549034d77061a06248429fd26cb43c2066e6cae9df642cd836ef6b938a268f5ccdb9092b2252393075d94909a8dc8d86b29d31ec5ca168adc53f7df609981

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