c7cf3277eb895acf8e9adb312f6352b1e92f7c68a40355e507e63e315b1aa0f4

Analysis

max time kernel
149s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2024, 09:38

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General

Target

ab9482f7cbaa0e005b10bb1475024100.pdf
Size

80KB
MD5

ab9482f7cbaa0e005b10bb1475024100
SHA1

7f5963296b54ce51935e0bb5d61ed39d19eae49c
SHA256

c7cf3277eb895acf8e9adb312f6352b1e92f7c68a40355e507e63e315b1aa0f4
SHA512

247b35c8cdcbaeaad638b9e85c0983aba2942795fc6b08f5b6ba09df7998cbfad24854121b53642665d0aa4775d8041f3292c148dab857b78d4ef0102b07c4d8
SSDEEP

1536:K7pfOjYwCMuXJxvTMtFNbIwdim8SfoWxudeKzjMW8pO+YPN:qUMzFXJxbMtFJIwoCh+e0H+4

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-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3956	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3956 wrote to memory of 3836	3956	AcroRd32.exe	92
PID 3956 wrote to memory of 3836	3956	AcroRd32.exe	92
PID 3956 wrote to memory of 3836	3956	AcroRd32.exe	92
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1400	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1072	3836	RdrCEF.exe	94
PID 3836 wrote to memory of 1072	3836	RdrCEF.exe	94
PID 3836 wrote to memory of 1072	3836	RdrCEF.exe	94
PID 3836 wrote to memory of 1072	3836	RdrCEF.exe	94
PID 3836 wrote to memory of 1072	3836	RdrCEF.exe	94
PID 3836 wrote to memory of 1072	3836	RdrCEF.exe	94
PID 3836 wrote to memory of 1072	3836	RdrCEF.exe	94
PID 3836 wrote to memory of 1072	3836	RdrCEF.exe	94
PID 3836 wrote to memory of 1072	3836	RdrCEF.exe	94
PID 3836 wrote to memory of 1072	3836	RdrCEF.exe	94
PID 3836 wrote to memory of 1072	3836	RdrCEF.exe	94
PID 3836 wrote to memory of 1072	3836	RdrCEF.exe	94
PID 3836 wrote to memory of 1072	3836	RdrCEF.exe	94
PID 3836 wrote to memory of 1072	3836	RdrCEF.exe	94
PID 3836 wrote to memory of 1072	3836	RdrCEF.exe	94
PID 3836 wrote to memory of 1072	3836	RdrCEF.exe	94
PID 3836 wrote to memory of 1072	3836	RdrCEF.exe	94
PID 3836 wrote to memory of 1072	3836	RdrCEF.exe	94
PID 3836 wrote to memory of 1072	3836	RdrCEF.exe	94
PID 3836 wrote to memory of 1072	3836	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\ab9482f7cbaa0e005b10bb1475024100.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:3956
- 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:3836
- - 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=850B510FC12C8441F707419184F18748 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1400
- - 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=5B3888F6D1E17D0A4D41EDDB83EDFE52 --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=5B3888F6D1E17D0A4D41EDDB83EDFE52 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1072
- - 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=5E82DF53982EB5B949D68C988C877BDA --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=5E82DF53982EB5B949D68C988C877BDA --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2328
- - 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=C4ADD1725D4A8FCBA3BB79435BE090F5 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1752
- - 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=722162C93F28E4AB8F0E6F111134BB79 --mojo-platform-channel-handle=2652 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2620
- - 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=8B4FEA17F89D7C21EE19D6908C365EF8 --mojo-platform-channel-handle=2624 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:392

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:536

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
d372ab7355972c9e597a66bd2fac7ee8

SHA1
f00ec9b99bd63576504f0762ee6a82c2403c5cac

SHA256
24a29efa416a7205d1606ede57dff2245c42bbb49c2be1fdbe4e06c34d0ff772

SHA512
0547ae4b816308180016b38602d86230221f556b991c1b24148cca9b670109a824688530d5814f3307f725c7521a011bcba2e1d0a37184293c3c4b3eae5c9e86

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/3956-28-0x000000000A990000-0x000000000A9B1000-memory.dmp

Filesize
132KB

Download