3619838c40ed38ae4a2b942f75067cf5272338176573e5cd08849511e9799301

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 15:37

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General

Target

79758bb2831870c0e6ae34b9c2e09c53.pdf
Size

98KB
MD5

79758bb2831870c0e6ae34b9c2e09c53
SHA1

b36660b73c5069bfa265e6365dd0c5d5c362e4bd
SHA256

3619838c40ed38ae4a2b942f75067cf5272338176573e5cd08849511e9799301
SHA512

828407b0683dd2485f4ac405c8fc674c67b1629d63446f03bcfe969d447e61fb8bbe5be40de09a5b2c099673cfd0a5c00d7267e62c974e6a9b164dd0041fa28f
SSDEEP

3072:W0RbhgW8mVWSRQPjlwhYMs3QiefymjTZo:CWVkSRoj9MsFmi

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2008	AcroRd32.exe
2008	AcroRd32.exe
2008	AcroRd32.exe
2008	AcroRd32.exe
2008	AcroRd32.exe
2008	AcroRd32.exe
2008	AcroRd32.exe
2008	AcroRd32.exe
2008	AcroRd32.exe
2008	AcroRd32.exe
2008	AcroRd32.exe
2008	AcroRd32.exe
2008	AcroRd32.exe
2008	AcroRd32.exe
2008	AcroRd32.exe
2008	AcroRd32.exe
2008	AcroRd32.exe
2008	AcroRd32.exe
2008	AcroRd32.exe
2008	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2008	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2008	AcroRd32.exe
2008	AcroRd32.exe
2008	AcroRd32.exe
2008	AcroRd32.exe
2008	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2008 wrote to memory of 3180	2008	AcroRd32.exe	94
PID 2008 wrote to memory of 3180	2008	AcroRd32.exe	94
PID 2008 wrote to memory of 3180	2008	AcroRd32.exe	94
PID 2008 wrote to memory of 5044	2008	AcroRd32.exe	97
PID 2008 wrote to memory of 5044	2008	AcroRd32.exe	97
PID 2008 wrote to memory of 5044	2008	AcroRd32.exe	97
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 2412	3180	RdrCEF.exe	98
PID 3180 wrote to memory of 1504	3180	RdrCEF.exe	99
PID 3180 wrote to memory of 1504	3180	RdrCEF.exe	99
PID 3180 wrote to memory of 1504	3180	RdrCEF.exe	99
PID 3180 wrote to memory of 1504	3180	RdrCEF.exe	99
PID 3180 wrote to memory of 1504	3180	RdrCEF.exe	99
PID 3180 wrote to memory of 1504	3180	RdrCEF.exe	99
PID 3180 wrote to memory of 1504	3180	RdrCEF.exe	99
PID 3180 wrote to memory of 1504	3180	RdrCEF.exe	99
PID 3180 wrote to memory of 1504	3180	RdrCEF.exe	99
PID 3180 wrote to memory of 1504	3180	RdrCEF.exe	99
PID 3180 wrote to memory of 1504	3180	RdrCEF.exe	99
PID 3180 wrote to memory of 1504	3180	RdrCEF.exe	99
PID 3180 wrote to memory of 1504	3180	RdrCEF.exe	99
PID 3180 wrote to memory of 1504	3180	RdrCEF.exe	99
PID 3180 wrote to memory of 1504	3180	RdrCEF.exe	99
PID 3180 wrote to memory of 1504	3180	RdrCEF.exe	99
PID 3180 wrote to memory of 1504	3180	RdrCEF.exe	99

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\79758bb2831870c0e6ae34b9c2e09c53.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:2008
- 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:3180
- - 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=49274B763B2DD70B3E06FBA31A4D5F68 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2412
- - 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=F76C9F42B62C487AEEB84FA36ED9DF71 --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=F76C9F42B62C487AEEB84FA36ED9DF71 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1504
- - 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=7E2563F5ACC7041F1D0E3CCFAC28EDE9 --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=7E2563F5ACC7041F1D0E3CCFAC28EDE9 --renderer-client-id=4 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2952
- - 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=F06C6AFCFC47A61C41E461D53F80FD8D --mojo-platform-channel-handle=2364 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2424
- - 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=D7304E917E7A03C03C1456C5D6C8F3D0 --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4540
- - 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=01550B37B5F9E1E7BD49A0A51706461B --mojo-platform-channel-handle=2516 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4768
- 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⤵
  PID:5044

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2476

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
1b0063d8c95475257c1960fd6d12212f

SHA1
4a14aff137aede2312bd46a7c6ca6f5842b1b8c9

SHA256
c0fd9c70febf320c243316444a1bf8a3ace60d1f77a8cd1f61ebd87549c05b6b

SHA512
a430610edd66f21911d7a475619c4012620095e62a5375f8511431892e9e5fb8134da0472e555d84d150570010296ec1f10ac51f51b6752baafe0f3f111271f6

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

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

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit