7ab20ca0107f85b5ec838b76474e2c49f1295041f637f6c7130b745acecebf8a

Analysis

max time kernel
168s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14/03/2024, 03:42

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General

Target

Stamps/NOT FOR PUBLIC RELEASE.pdf
Size

6KB
MD5

133b0602f75db9c17f9eb1ce9af32ca3
SHA1

ae49e3382f0972e049df9834f8caa897bcf8f87e
SHA256

56368459e3fe15a6f1dedeec7a782ba113e5f7a446add4e3f2899838f2fd9f1d
SHA512

c50ed5983027029892e612e785a05345829d8207559837792edb8dcbef77123a5adaf1385f09c2dc56fc4028da95c7c94935c66ec049b137186250057c6862ca
SSDEEP

96:l/1ib8DgubpMHMZ9oa3s1J9rbobVToW/84pW/IFAQuY1ec5i866KZf/fYY2zDAQT:mbGpIMZFsFrbobR8wW/HkpigKdg0+

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-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4152	AcroRd32.exe
4152	AcroRd32.exe
4152	AcroRd32.exe
4152	AcroRd32.exe
4152	AcroRd32.exe
4152	AcroRd32.exe
4152	AcroRd32.exe
4152	AcroRd32.exe
4152	AcroRd32.exe
4152	AcroRd32.exe
4152	AcroRd32.exe
4152	AcroRd32.exe
4152	AcroRd32.exe
4152	AcroRd32.exe
4152	AcroRd32.exe
4152	AcroRd32.exe
4152	AcroRd32.exe
4152	AcroRd32.exe
4152	AcroRd32.exe
4152	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4152	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4152	AcroRd32.exe
4152	AcroRd32.exe
4152	AcroRd32.exe
4152	AcroRd32.exe
4152	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4152 wrote to memory of 3080	4152	AcroRd32.exe	96
PID 4152 wrote to memory of 3080	4152	AcroRd32.exe	96
PID 4152 wrote to memory of 3080	4152	AcroRd32.exe	96
PID 4152 wrote to memory of 3236	4152	AcroRd32.exe	98
PID 4152 wrote to memory of 3236	4152	AcroRd32.exe	98
PID 4152 wrote to memory of 3236	4152	AcroRd32.exe	98
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4728	3080	RdrCEF.exe	99
PID 3080 wrote to memory of 4660	3080	RdrCEF.exe	100
PID 3080 wrote to memory of 4660	3080	RdrCEF.exe	100
PID 3080 wrote to memory of 4660	3080	RdrCEF.exe	100
PID 3080 wrote to memory of 4660	3080	RdrCEF.exe	100
PID 3080 wrote to memory of 4660	3080	RdrCEF.exe	100
PID 3080 wrote to memory of 4660	3080	RdrCEF.exe	100
PID 3080 wrote to memory of 4660	3080	RdrCEF.exe	100
PID 3080 wrote to memory of 4660	3080	RdrCEF.exe	100
PID 3080 wrote to memory of 4660	3080	RdrCEF.exe	100
PID 3080 wrote to memory of 4660	3080	RdrCEF.exe	100
PID 3080 wrote to memory of 4660	3080	RdrCEF.exe	100
PID 3080 wrote to memory of 4660	3080	RdrCEF.exe	100
PID 3080 wrote to memory of 4660	3080	RdrCEF.exe	100
PID 3080 wrote to memory of 4660	3080	RdrCEF.exe	100
PID 3080 wrote to memory of 4660	3080	RdrCEF.exe	100
PID 3080 wrote to memory of 4660	3080	RdrCEF.exe	100
PID 3080 wrote to memory of 4660	3080	RdrCEF.exe	100

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\Stamps\NOT FOR PUBLIC RELEASE.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3080
- - 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=3FEA8D1236A1B3DD9E43F4BAB7AE864D --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4728
- - 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=F244EBAB4EE9299403A37AA6986127E9 --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=F244EBAB4EE9299403A37AA6986127E9 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4660
- - 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=54F0E66357BF12B22CFCF9308FBE29FF --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4916
- - 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=A86A302CB09E5F95A80F22752CF0237B --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=A86A302CB09E5F95A80F22752CF0237B --renderer-client-id=5 --mojo-platform-channel-handle=2000 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5028
- - 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=4F5C7292AFFCE8E6FADEE7500E6C4ACC --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2500
- - 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=FD060BE74B803238F9235BCD4C17FD78 --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3380
- 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:3236

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2168

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
cdeb76bceb14074fa834cc9de7b1db77

SHA1
e0bcfc616d1ecbdabb7b3fe4428ffa2822fa57bf

SHA256
424b02d9ee03d3000c07ce1ca6585c7262634ef526dec7a3d5072a9592f542fa

SHA512
ea8935af9c95355703d41bdfe12ac57078a5f70985b230fdf2ee066079426c65ebb9ca681959a2d57880883858939c0cde5411681e4e555b90f9ca9de58b5d74

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