ee18b35bac6689dabf497e4a2b3d7675a67e2a7aea64bf6ba8764daa5cb51099

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
25-03-2024 12:37

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General

Target

de07729cfbeda29ddcabcef907e16239.pdf
Size

91KB
MD5

de07729cfbeda29ddcabcef907e16239
SHA1

d6d57ed60fa3ab7a339ab05da7f7420eeda0b7c9
SHA256

ee18b35bac6689dabf497e4a2b3d7675a67e2a7aea64bf6ba8764daa5cb51099
SHA512

b93ecc6f6c63797331dbfc5c63e4600613786f24518eb9af30bea176e5576bd69f0e326dac0f8e6ca660ffda3b47e36ce585fb5195f2bc78e56f0a2ae6740e9e
SSDEEP

1536:RnCKv4hdsNJi+9Bn8RcE5M+Vi7cjr1TZNem+ejnE58nGXtWVLGm1DjP5AtWUpO7/:UKv4hdszLYM8t1Trem+qETOn1DD5AQ7/

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-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1652	AcroRd32.exe
1652	AcroRd32.exe
1652	AcroRd32.exe
1652	AcroRd32.exe
1652	AcroRd32.exe
1652	AcroRd32.exe
1652	AcroRd32.exe
1652	AcroRd32.exe
1652	AcroRd32.exe
1652	AcroRd32.exe
1652	AcroRd32.exe
1652	AcroRd32.exe
1652	AcroRd32.exe
1652	AcroRd32.exe
1652	AcroRd32.exe
1652	AcroRd32.exe
1652	AcroRd32.exe
1652	AcroRd32.exe
1652	AcroRd32.exe
1652	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1652	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1652	AcroRd32.exe
1652	AcroRd32.exe
1652	AcroRd32.exe
1652	AcroRd32.exe
1652	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1652 wrote to memory of 4936	1652	AcroRd32.exe	91
PID 1652 wrote to memory of 4936	1652	AcroRd32.exe	91
PID 1652 wrote to memory of 4936	1652	AcroRd32.exe	91
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2692	4936	RdrCEF.exe	92
PID 4936 wrote to memory of 2712	4936	RdrCEF.exe	93
PID 4936 wrote to memory of 2712	4936	RdrCEF.exe	93
PID 4936 wrote to memory of 2712	4936	RdrCEF.exe	93
PID 4936 wrote to memory of 2712	4936	RdrCEF.exe	93
PID 4936 wrote to memory of 2712	4936	RdrCEF.exe	93
PID 4936 wrote to memory of 2712	4936	RdrCEF.exe	93
PID 4936 wrote to memory of 2712	4936	RdrCEF.exe	93
PID 4936 wrote to memory of 2712	4936	RdrCEF.exe	93
PID 4936 wrote to memory of 2712	4936	RdrCEF.exe	93
PID 4936 wrote to memory of 2712	4936	RdrCEF.exe	93
PID 4936 wrote to memory of 2712	4936	RdrCEF.exe	93
PID 4936 wrote to memory of 2712	4936	RdrCEF.exe	93
PID 4936 wrote to memory of 2712	4936	RdrCEF.exe	93
PID 4936 wrote to memory of 2712	4936	RdrCEF.exe	93
PID 4936 wrote to memory of 2712	4936	RdrCEF.exe	93
PID 4936 wrote to memory of 2712	4936	RdrCEF.exe	93
PID 4936 wrote to memory of 2712	4936	RdrCEF.exe	93
PID 4936 wrote to memory of 2712	4936	RdrCEF.exe	93
PID 4936 wrote to memory of 2712	4936	RdrCEF.exe	93
PID 4936 wrote to memory of 2712	4936	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\de07729cfbeda29ddcabcef907e16239.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:1652
- 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:4936
- - 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=EA64D600A858BC71E33840941FC747E1 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2692
- - 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=FD3DE862A3402D6C99D5A18BE0686585 --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=FD3DE862A3402D6C99D5A18BE0686585 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2712
- - 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=5434ECBEEEC54203DF255723551F20E9 --mojo-platform-channel-handle=1984 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1308
- - 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=4F8C84D400A69BD0447AE8B3499C63B8 --mojo-platform-channel-handle=1912 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3944
- - 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=D758162B0C879F4712A251ADA8FCB71E --mojo-platform-channel-handle=1876 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3652
- - 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=4B61CDAB347681FCFB83D37AFD372BC3 --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=4B61CDAB347681FCFB83D37AFD372BC3 --renderer-client-id=7 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4200

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2124

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
9eab530a363feea88ed86d21c105d8db

SHA1
ef5c8639cc8d132c967261ef412fb2c44bd79d23

SHA256
e23aab685ec8ce173c670ae2ed9a3f39be7c18b2c45763dc4ec718782513eee5

SHA512
cce887afbca1490c90981fd30b6b9b63aa344df6263ed4c22ddc58fb4ba4ed2f74f47bc6e5dcb327a2811b312f6be935cfba9af9682727688fec11fc05f164a4

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
memory/1652-25-0x000000000AE40000-0x000000000AE90000-memory.dmp

Filesize
320KB

Download