631fc6b2ecccba9057988dacfc10b159209fcc16a21a329d06095eafde9cd8b6

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
17/01/2024, 20:49

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General

Target

6391e3f0c00f50e55d8587f6b817159b.pdf
Size

81KB
MD5

6391e3f0c00f50e55d8587f6b817159b
SHA1

b0a3026b1bfa955e6dc545e3392036ae6fb89e14
SHA256

631fc6b2ecccba9057988dacfc10b159209fcc16a21a329d06095eafde9cd8b6
SHA512

7151cd99a104330c033d0162e8e056e7581735aa903a2532076d93937af3d92cd4c10baa0e07daec0766c54dfc0b64df439d14adeba917911cd0bf8b656d486f
SSDEEP

1536:etwfk5+5hbtwXeOxNeGjeIW4ZTx0Z9WCpOViHWdm2NfcwhZyW0mIJS68b8feb:emk5cI7ePVqxWKViCz6mIwXb8O

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3276	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3276 wrote to memory of 3580	3276	AcroRd32.exe	92
PID 3276 wrote to memory of 3580	3276	AcroRd32.exe	92
PID 3276 wrote to memory of 3580	3276	AcroRd32.exe	92
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 544	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3040	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 3040	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 3040	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 3040	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 3040	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 3040	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 3040	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 3040	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 3040	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 3040	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 3040	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 3040	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 3040	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 3040	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 3040	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 3040	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 3040	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 3040	3580	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\6391e3f0c00f50e55d8587f6b817159b.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:3276
- 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:3580
- - 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=F8D94CDF39EDC846BE6AF887155800C3 --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=F8D94CDF39EDC846BE6AF887155800C3 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:544
- - 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=1F50C6E26F56CE88EB47B18B22551F67 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3040
- - 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=A0100CA4D69BA9C1B65A60BDC7CE93A1 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3440
- - 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=365FCD4F67DF9AE6EF437E88553F1174 --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=365FCD4F67DF9AE6EF437E88553F1174 --renderer-client-id=5 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4360
- - 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=A939DFD5FBFC1F36F44E7DA955C96BC7 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4252
- - 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=1D1E3C5884A579607443140023E6D780 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2856

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3540

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
1d78912c0ee69160c36dbfdca1a49c87

SHA1
184c214dad93a7ff2f8642e7f09d271839ca34c5

SHA256
1207ab8dda85d6495683c8a874dabee8b399343c804494b39f35b1a8ca6a8640

SHA512
23b3cb0a8a21a3b1ebc21050b1225445bc485c6599048241ebaf430c87f3aa596341e1579e3fad52daf33b6e3d6140d8c6e46bf1faad45d45457a11d9c7289fa

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/3276-27-0x000000000AB50000-0x000000000AB71000-memory.dmp

Filesize
132KB

Download