81089b2486e748d1183b7e26b92ce1a235fbb751b066aa7cfced7b94c1676522

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
07/01/2024, 09:33

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General

Target

48a020c32522e6142e4988283e343132.pdf
Size

100KB
MD5

48a020c32522e6142e4988283e343132
SHA1

dfb2e8dc61316925b326ad2392e37e80a04499f0
SHA256

81089b2486e748d1183b7e26b92ce1a235fbb751b066aa7cfced7b94c1676522
SHA512

9067b2414838f5491672dac046357898bc639d0aadd3e31fc6e424ad1f5d659d268a0fd4b62cac45eb7e0a66f9d5f423670665fff365529b63f1c4bb2fdb2b25
SSDEEP

384:B3kjOZaPFZ0po04+20qqf5MdCoz0tv0Ri2SYD8w+0rC+CTR5n700k9p0oiXZqOT4:QH

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1900	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 4448	1900	AcroRd32.exe	90
PID 1900 wrote to memory of 4448	1900	AcroRd32.exe	90
PID 1900 wrote to memory of 4448	1900	AcroRd32.exe	90
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3552	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 4292	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4292	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4292	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4292	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4292	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4292	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4292	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4292	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4292	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4292	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4292	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4292	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4292	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4292	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4292	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4292	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4292	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4292	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4292	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4292	4448	RdrCEF.exe	92

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\48a020c32522e6142e4988283e343132.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:1900
- 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:4448
- - 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=40714A409D4333ACDEBA6E75FE094106 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3552
- - 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=198299D57ABCCA1DE849691484061925 --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=198299D57ABCCA1DE849691484061925 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4292
- - 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=92189848B01D3B9708F1238590E9D6B5 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4928
- - 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=2A297D78224FDC9F785F63E7077324DE --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3708
- - 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=D9E237D3596F83CB8F8FBFD612B93EE7 --mojo-platform-channel-handle=2124 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3008
- - 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=36928301AE4206DE48B3ECAEE0A27B00 --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=36928301AE4206DE48B3ECAEE0A27B00 --renderer-client-id=8 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2040

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:968

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
96c85a025753380167651d0d0976439c

SHA1
a8cd3b18c994f54a5281daae6aefb56e7ffe06a3

SHA256
3fae354f25dc99975c2a7d6e3f821374e090bfa4f919a9157cdaa91c50bcbc33

SHA512
96053d42b7fdc7fa3601d705e6b97764fba7bebdf0fae7a9f8a88c553223a3c331b0845e47ad45f78eae97d0bbdd61fae2e81a2ff17e3fa448491121a4a24874

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