5c804a8d089127b4f8018d2c51468485d84ab6f7c1efa0599d4c7c5bff554966

Analysis

max time kernel
146s
max time network
149s
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, 11:09

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General

Target

19b862e8298f3de3cac4adf2f2f636cb.pdf
Size

83KB
MD5

19b862e8298f3de3cac4adf2f2f636cb
SHA1

fd08f2ce9761bf5c2475371bbc2e5591e7c497de
SHA256

5c804a8d089127b4f8018d2c51468485d84ab6f7c1efa0599d4c7c5bff554966
SHA512

2ad5b50901b341624c7353fd67aa7e58a6e9647fe4625c0c9a53ad7c0dedad9341471935aedf0eae864acb8f20174452e2d3438f2330dd429c6fe32732aeabf5
SSDEEP

1536:mGFlV/jYvq++yW+6e1yHtmoQTsXj7rMfdvfDHfj9M:/FlBYifz+6nHtfbj7rMfdjHfju

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1304	AcroRd32.exe
1304	AcroRd32.exe
1304	AcroRd32.exe
1304	AcroRd32.exe
1304	AcroRd32.exe
1304	AcroRd32.exe
1304	AcroRd32.exe
1304	AcroRd32.exe
1304	AcroRd32.exe
1304	AcroRd32.exe
1304	AcroRd32.exe
1304	AcroRd32.exe
1304	AcroRd32.exe
1304	AcroRd32.exe
1304	AcroRd32.exe
1304	AcroRd32.exe
1304	AcroRd32.exe
1304	AcroRd32.exe
1304	AcroRd32.exe
1304	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1304	AcroRd32.exe
1304	AcroRd32.exe
1304	AcroRd32.exe
1304	AcroRd32.exe
1304	AcroRd32.exe
1304	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1304 wrote to memory of 2516	1304	AcroRd32.exe	92
PID 1304 wrote to memory of 2516	1304	AcroRd32.exe	92
PID 1304 wrote to memory of 2516	1304	AcroRd32.exe	92
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 428	2516	RdrCEF.exe	95
PID 2516 wrote to memory of 2084	2516	RdrCEF.exe	96
PID 2516 wrote to memory of 2084	2516	RdrCEF.exe	96
PID 2516 wrote to memory of 2084	2516	RdrCEF.exe	96
PID 2516 wrote to memory of 2084	2516	RdrCEF.exe	96
PID 2516 wrote to memory of 2084	2516	RdrCEF.exe	96
PID 2516 wrote to memory of 2084	2516	RdrCEF.exe	96
PID 2516 wrote to memory of 2084	2516	RdrCEF.exe	96
PID 2516 wrote to memory of 2084	2516	RdrCEF.exe	96
PID 2516 wrote to memory of 2084	2516	RdrCEF.exe	96
PID 2516 wrote to memory of 2084	2516	RdrCEF.exe	96
PID 2516 wrote to memory of 2084	2516	RdrCEF.exe	96
PID 2516 wrote to memory of 2084	2516	RdrCEF.exe	96
PID 2516 wrote to memory of 2084	2516	RdrCEF.exe	96
PID 2516 wrote to memory of 2084	2516	RdrCEF.exe	96
PID 2516 wrote to memory of 2084	2516	RdrCEF.exe	96
PID 2516 wrote to memory of 2084	2516	RdrCEF.exe	96
PID 2516 wrote to memory of 2084	2516	RdrCEF.exe	96
PID 2516 wrote to memory of 2084	2516	RdrCEF.exe	96
PID 2516 wrote to memory of 2084	2516	RdrCEF.exe	96
PID 2516 wrote to memory of 2084	2516	RdrCEF.exe	96

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\19b862e8298f3de3cac4adf2f2f636cb.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1304
- 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:2516
- - 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=A9253135659983F154CFB785D8F901AF --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:428
- - 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=9FEB7FD3E4539A7605D0304466A2819F --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=9FEB7FD3E4539A7605D0304466A2819F --renderer-client-id=2 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2084
- - 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=BF2A165A20B67DAC8140327C58A6CD45 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:884
- - 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=B3C81B6543CD1520268F778D9BE4E822 --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4852
- - 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=722825DDC5A813DD8D864A7C535406C2 --mojo-platform-channel-handle=2484 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2700

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4756

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
9a98623160cc8daa2f5ec387c649bf11

SHA1
0dc4947e6ee331a19fa0d94076d0a2228af6e5e1

SHA256
00d263c60ad7c2446d44610942cfe18455e10eb95cc2fde4d8b319edaefb4d75

SHA512
a7228d21e1dc2214fcbe9177061ed31c555bfb8676c5bd72e71e4dcc03a25af2993cd748512d1778d29e88fb70efa7be2d56c0bd58c8d91b8dcc13a26a58b668

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit