f08391a48dcfb5a829cb6f68a7a9468fb8183bc138b410f967f1bea02c7bc9c2

Analysis

max time kernel
143s
max time network
116s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 10:40

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General

Target

16350039ad8eaeb20107861bee030c16.pdf
Size

99KB
MD5

16350039ad8eaeb20107861bee030c16
SHA1

df86f9b7a8b9acc70719e89f5d840bc2c1601289
SHA256

f08391a48dcfb5a829cb6f68a7a9468fb8183bc138b410f967f1bea02c7bc9c2
SHA512

68083a7b6973599c3ded847f7b1212b0e4830409f76b21efaac021ad559a8ee566abd26d00450762736de5eda40b7facf803aa80217f94345cf2e42818171f35
SSDEEP

3072:kbE0t1PDPS2KCc5V9evQEL0olU5xGVn229VQA1J/TIoh7k:e1DPTKCc5+nL0A2GN2c7/W

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1880	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe
1880	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1880 wrote to memory of 1552	1880	AcroRd32.exe	93
PID 1880 wrote to memory of 1552	1880	AcroRd32.exe	93
PID 1880 wrote to memory of 1552	1880	AcroRd32.exe	93
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 4008	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4008	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4008	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4008	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4008	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4008	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4008	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4008	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4008	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4008	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4008	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4008	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4008	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4008	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4008	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4008	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4008	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4008	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4008	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4008	1552	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\16350039ad8eaeb20107861bee030c16.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:1880
- 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:1552
- - 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=58F869D1D349A640AF7D37E48936A2A5 --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=58F869D1D349A640AF7D37E48936A2A5 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4008
- - 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=48AE30D6BC8C7BDF0D12F0DD7BBBA88B --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3404
- - 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=3760FD2C6BC226CD907B5463F7AC2926 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:392
- - 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=4848C3F22EE23D2A63D5FDC84901E875 --mojo-platform-channel-handle=2528 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2464
- - 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=0F3D12C4563FD22ACAD8B905C67CC8F5 --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=0F3D12C4563FD22ACAD8B905C67CC8F5 --renderer-client-id=5 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2840
- - 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=99C484C1A871E201DE84E1BD28277796 --mojo-platform-channel-handle=2532 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:708

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4184

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
4b6ff835d15c58de55c2efbd3661e594

SHA1
dd3d59e9e3c36cd9533125a0824623f8cc06dee3

SHA256
bc20a763c62703ffb0257fea6547ae74bd3b79f57a092a7c1336cc9f3bca66b1

SHA512
13969cb50e4db2cc65f9c0a47d46aea4090350a5cfef66d9a748f987caef831831ad74cc942cfd8eab56d906ff245dc37bd3afc6de9be5fe08874df6b335781e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

Download Submit
memory/1880-28-0x000000000C8A0000-0x000000000C8C1000-memory.dmp

Filesize
132KB

Download
memory/1880-26-0x000000000C8A0000-0x000000000C8F0000-memory.dmp

Filesize
320KB

Download