7b1b72284dfa57b78ac4b6a53dcbaeac191f948c8a98f733edda563723284999

Analysis

max time kernel
144s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
06/01/2024, 13:55

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General

Target

4666d8146bbe73be55716464aa8fe406.pdf
Size

102KB
MD5

4666d8146bbe73be55716464aa8fe406
SHA1

31c7e36e77078a49b4ae32d303eba1f3060d940b
SHA256

7b1b72284dfa57b78ac4b6a53dcbaeac191f948c8a98f733edda563723284999
SHA512

cdc74be525ee2d445532ffa01642c0657b62dceedfc07fa8a42793861e414fad3bd717506130f135c3191fb0d7a7e42631f7876625bb7a6236bd9194bb35a30f
SSDEEP

1536:p4v+qzz56/z4jFQaDs9maeA/z3Nqo10aa8QCmT084UoX+WGpOKMODPDlW5onq4Db:4+g16sj+aD6ioPa0843XHKr7DdVb

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
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3524	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3524 wrote to memory of 1196	3524	AcroRd32.exe	90
PID 3524 wrote to memory of 1196	3524	AcroRd32.exe	90
PID 3524 wrote to memory of 1196	3524	AcroRd32.exe	90
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 1496	1196	RdrCEF.exe	93
PID 1196 wrote to memory of 2320	1196	RdrCEF.exe	94
PID 1196 wrote to memory of 2320	1196	RdrCEF.exe	94
PID 1196 wrote to memory of 2320	1196	RdrCEF.exe	94
PID 1196 wrote to memory of 2320	1196	RdrCEF.exe	94
PID 1196 wrote to memory of 2320	1196	RdrCEF.exe	94
PID 1196 wrote to memory of 2320	1196	RdrCEF.exe	94
PID 1196 wrote to memory of 2320	1196	RdrCEF.exe	94
PID 1196 wrote to memory of 2320	1196	RdrCEF.exe	94
PID 1196 wrote to memory of 2320	1196	RdrCEF.exe	94
PID 1196 wrote to memory of 2320	1196	RdrCEF.exe	94
PID 1196 wrote to memory of 2320	1196	RdrCEF.exe	94
PID 1196 wrote to memory of 2320	1196	RdrCEF.exe	94
PID 1196 wrote to memory of 2320	1196	RdrCEF.exe	94
PID 1196 wrote to memory of 2320	1196	RdrCEF.exe	94
PID 1196 wrote to memory of 2320	1196	RdrCEF.exe	94
PID 1196 wrote to memory of 2320	1196	RdrCEF.exe	94
PID 1196 wrote to memory of 2320	1196	RdrCEF.exe	94
PID 1196 wrote to memory of 2320	1196	RdrCEF.exe	94
PID 1196 wrote to memory of 2320	1196	RdrCEF.exe	94
PID 1196 wrote to memory of 2320	1196	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\4666d8146bbe73be55716464aa8fe406.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:3524
- 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:1196
- - 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=5A0A6BB9DE5678C66EE63B510D85B221 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1496
- - 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=19ADD12905198DD2600DAD4E164CE4B9 --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=19ADD12905198DD2600DAD4E164CE4B9 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2320
- - 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=45337A3FBA380F88AADC76285314F6C4 --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=45337A3FBA380F88AADC76285314F6C4 --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3796
- - 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=67CBE41BE00AEA8D8F83BD3A8E1ED7BC --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:988
- - 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=4BF2E205CCC3291C201B605B1F41AB30 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4872
- - 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=515BFB8866D2D3755DE735B362C75A07 --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2308

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1948

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
e64fdd68573d60f241c04efb22134895

SHA1
ad23ced029842a1fca0ce7435823e80ec9b9c68e

SHA256
7d3d4fe8f3855ce3d2657f0be48db63641e7be4d30c9ae35f430477cf9897923

SHA512
4e737c3bf57b9566cef348b8ad4303a2705e7821775f4f67f819e460281e7813e69baf974ab30fb0b860f6b0e9be5cd1f694156ac001eee95d48ee98677e3a5f

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