16662d2bc13ec0681e30a6c27af88469b5706a614b4b65fc0483af01d8002f23

Analysis

max time kernel
141s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 10:20

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General

Target

7718abdb2dd54a6468190217804f0061.pdf
Size

39KB
MD5

7718abdb2dd54a6468190217804f0061
SHA1

46f367b08922c9271a7c3094255cd2348d1245f8
SHA256

16662d2bc13ec0681e30a6c27af88469b5706a614b4b65fc0483af01d8002f23
SHA512

48f1caa12e043549c98e7f6f20521c7708045be50cb7a2f3b2921df7663da06299798efeb55a8bfd410e75e84109ca20b0696cdb106eaba4a77822dcddd0e165
SSDEEP

768:rsuuNFlFzKI5X1ALhWovvFlXS10rfNLl8tiP/ig4wp1nrZ7uK9MrdurfE7iT8:rsJTbeBjQ10h5vlppsK9vrfE7Q8

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4948	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4948 wrote to memory of 4408	4948	AcroRd32.exe	92
PID 4948 wrote to memory of 4408	4948	AcroRd32.exe	92
PID 4948 wrote to memory of 4408	4948	AcroRd32.exe	92
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4856	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1500	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 1500	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 1500	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 1500	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 1500	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 1500	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 1500	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 1500	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 1500	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 1500	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 1500	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 1500	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 1500	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 1500	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 1500	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 1500	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 1500	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 1500	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 1500	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 1500	4408	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\7718abdb2dd54a6468190217804f0061.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:4948
- 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:4408
- - 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=FEAE1E4E786BC8CA9E347E6B69505531 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4856
- - 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=8B7DF4EAADCA398A455274B948ED6F6C --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=8B7DF4EAADCA398A455274B948ED6F6C --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1500
- - 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=88FE587809BD194A6FA7EF47C760D281 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1788
- - 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=5053E711C8D65BB050BA5120CBC0BD74 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4780
- - 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=02E76A270C00A36218124C8A88E0AED3 --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=02E76A270C00A36218124C8A88E0AED3 --renderer-client-id=6 --mojo-platform-channel-handle=2216 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4544
- - 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=A7EBB88E07AA1CFE26BFA05759E1C683 --mojo-platform-channel-handle=2740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4512

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3604

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
6d359595af3ddc0668503be31c0dad6a

SHA1
9d5ec9d6cbdffa9fdb8156715c5044cac3f1bd9c

SHA256
250680f436eb42f0e863306f4a4cc2fc5fd9fd4d40dbc68c11911de3334d3ea8

SHA512
395f182979e464f1a174c6cc87ea0d145a4577036f7fafdd64a7371d94e5e76bde87d35e7d68d5eead36c631549b970f0d61384872f47716f5e577a5cb3bd135

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