36ba08b02bc1bce615dfa2305d7087de4eb86b8368f8fdb7ffc1e2105329b56d

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05-03-2024 18:50

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General

Target

b56b423b6c0eb0725deeabac68d84a8a.pdf
Size

84KB
MD5

b56b423b6c0eb0725deeabac68d84a8a
SHA1

8a8330b160d5e6c6ab05dcde115c6835dcc35fb8
SHA256

36ba08b02bc1bce615dfa2305d7087de4eb86b8368f8fdb7ffc1e2105329b56d
SHA512

bb88f50a778face55549de16893aac9abf0f04dbc0f8328dc92d66d6a8e79533a846df73776445b8d528e434b4b158200ce8f71383bfa2bfb3c4691faba29faf
SSDEEP

1536:euJgXcvfZNPVMB6iuL2lE8mwo84V6Bw+5JMh/IuDVcDJHW10E0oOoEr1W8pO71nQ:xKsvRNPVMBEylvmwoL6Bw+jkIuDVkm0t

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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3004	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 2924	3004	AcroRd32.exe	92
PID 3004 wrote to memory of 2924	3004	AcroRd32.exe	92
PID 3004 wrote to memory of 2924	3004	AcroRd32.exe	92
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 4448	2924	RdrCEF.exe	93
PID 2924 wrote to memory of 3308	2924	RdrCEF.exe	94
PID 2924 wrote to memory of 3308	2924	RdrCEF.exe	94
PID 2924 wrote to memory of 3308	2924	RdrCEF.exe	94
PID 2924 wrote to memory of 3308	2924	RdrCEF.exe	94
PID 2924 wrote to memory of 3308	2924	RdrCEF.exe	94
PID 2924 wrote to memory of 3308	2924	RdrCEF.exe	94
PID 2924 wrote to memory of 3308	2924	RdrCEF.exe	94
PID 2924 wrote to memory of 3308	2924	RdrCEF.exe	94
PID 2924 wrote to memory of 3308	2924	RdrCEF.exe	94
PID 2924 wrote to memory of 3308	2924	RdrCEF.exe	94
PID 2924 wrote to memory of 3308	2924	RdrCEF.exe	94
PID 2924 wrote to memory of 3308	2924	RdrCEF.exe	94
PID 2924 wrote to memory of 3308	2924	RdrCEF.exe	94
PID 2924 wrote to memory of 3308	2924	RdrCEF.exe	94
PID 2924 wrote to memory of 3308	2924	RdrCEF.exe	94
PID 2924 wrote to memory of 3308	2924	RdrCEF.exe	94
PID 2924 wrote to memory of 3308	2924	RdrCEF.exe	94
PID 2924 wrote to memory of 3308	2924	RdrCEF.exe	94
PID 2924 wrote to memory of 3308	2924	RdrCEF.exe	94
PID 2924 wrote to memory of 3308	2924	RdrCEF.exe	94

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\b56b423b6c0eb0725deeabac68d84a8a.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:3004
- 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:2924
- - 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=DD8343E7A53D7C2A7A57D42ECC80E818 --mojo-platform-channel-handle=1652 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4448
- - 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=DD4A0EC61E18840C9127B1C0D7630009 --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=DD4A0EC61E18840C9127B1C0D7630009 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3308
- - 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=09B213D313C89ABCADBD36DCB6C1133D --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=09B213D313C89ABCADBD36DCB6C1133D --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4396
- - 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=C369452E98F986BC21890E0EABD805A3 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4968
- - 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=B2B0E48FEF681A6D8D0F8D224A81088E --mojo-platform-channel-handle=2600 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1920
- - 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=075897171582FDBE2FD118F87C6F3187 --mojo-platform-channel-handle=2700 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1992

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3580

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
b6589c5e655b44720b770e8f18f0ad93

SHA1
704cfb6be12dadae1e949bb08de4900127d8f65d

SHA256
72a2eca6431eded60335c914ed40df5807101476e193d1720ea2e9d29599d827

SHA512
3ff32f150b690fcfb228fd2b59f5b3d0a012fc66ef08d202a416b9e24051ec7f019762361600e76101ac70f3d52eeba4c1e370de28ed5d1dab13b15c8f62152a

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