7d2e6042b898abbb78e21944e7e1d10c7a8a39b2cccd8136ef9b20fb8a7f4d9b

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 23:01

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General

Target

41dbbe24830b14857922c2bc1c1fa7ba.pdf
Size

13KB
MD5

41dbbe24830b14857922c2bc1c1fa7ba
SHA1

93044812e062e8024b5991c13e7c2a737cb88447
SHA256

7d2e6042b898abbb78e21944e7e1d10c7a8a39b2cccd8136ef9b20fb8a7f4d9b
SHA512

26ed710e39cb01befce00c991664ca187c58e34c8d5c94022e90f7f0fd6ab5ccdb4224a1dce791e282d05b841ffe3bcb27b90dab97c91c4e7f84564a76410e04
SSDEEP

384:WhzaNwAO9Giz333j32sx+TbOxkQi/60G7V0Js:2hZGiDnTVkQC6dSa

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
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3620	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3620 wrote to memory of 2448	3620	AcroRd32.exe	91
PID 3620 wrote to memory of 2448	3620	AcroRd32.exe	91
PID 3620 wrote to memory of 2448	3620	AcroRd32.exe	91
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 5036	2448	RdrCEF.exe	92
PID 2448 wrote to memory of 1960	2448	RdrCEF.exe	93
PID 2448 wrote to memory of 1960	2448	RdrCEF.exe	93
PID 2448 wrote to memory of 1960	2448	RdrCEF.exe	93
PID 2448 wrote to memory of 1960	2448	RdrCEF.exe	93
PID 2448 wrote to memory of 1960	2448	RdrCEF.exe	93
PID 2448 wrote to memory of 1960	2448	RdrCEF.exe	93
PID 2448 wrote to memory of 1960	2448	RdrCEF.exe	93
PID 2448 wrote to memory of 1960	2448	RdrCEF.exe	93
PID 2448 wrote to memory of 1960	2448	RdrCEF.exe	93
PID 2448 wrote to memory of 1960	2448	RdrCEF.exe	93
PID 2448 wrote to memory of 1960	2448	RdrCEF.exe	93
PID 2448 wrote to memory of 1960	2448	RdrCEF.exe	93
PID 2448 wrote to memory of 1960	2448	RdrCEF.exe	93
PID 2448 wrote to memory of 1960	2448	RdrCEF.exe	93
PID 2448 wrote to memory of 1960	2448	RdrCEF.exe	93
PID 2448 wrote to memory of 1960	2448	RdrCEF.exe	93
PID 2448 wrote to memory of 1960	2448	RdrCEF.exe	93
PID 2448 wrote to memory of 1960	2448	RdrCEF.exe	93
PID 2448 wrote to memory of 1960	2448	RdrCEF.exe	93
PID 2448 wrote to memory of 1960	2448	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\41dbbe24830b14857922c2bc1c1fa7ba.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:3620
- 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:2448
- - 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=0D600D0835DFDCB9BCC7F2067A0D3291 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5036
- - 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=C36438B61F61CDEFF06A74CFE5628777 --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=C36438B61F61CDEFF06A74CFE5628777 --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1960
- - 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=42861D11E67A981227F5EDAD21136909 --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=42861D11E67A981227F5EDAD21136909 --renderer-client-id=4 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3172
- - 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=10D500631887FDD87A12B65B680BD041 --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1220
- - 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=A1C75E6727261CCC31A1AAEA68233496 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4592
- - 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=AA5C79570B579115EA8436B6DB763623 --mojo-platform-channel-handle=2596 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4460

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5108

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
82bd249b18db8db7fc85847f923d23b3

SHA1
0f614d1fb47005c0e68b622a4e3c760a81553892

SHA256
a9a15383d4215b90a3bb37cf6a3e673842dfede63b6215fd8fbc86fabed7802c

SHA512
253f233a610943f657f9497b97c425313277d8ab24936d190c82febbddf793e8012a1268ee4183490c4242d28a4925174651bd88e7310625f404c7423f8be174

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