1fa2f20fbcc73cb26abc3e69dbab00e1deea57a32f191073cc424023b7c5decd

Analysis

max time kernel
167s
max time network
182s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 00:14

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General

Target

214bc27c6436310d57b755acb083145b.pdf
Size

34KB
MD5

214bc27c6436310d57b755acb083145b
SHA1

1ad29e4bd4569042307dc142d6c312c1181fd514
SHA256

1fa2f20fbcc73cb26abc3e69dbab00e1deea57a32f191073cc424023b7c5decd
SHA512

509cb5f5b0507ba8d1031480b0bbab98dfe2caba16b533d0fece2c93bc0f5fe95a7af79c4e1927da00b3bb43fbe675c19063b4d5a52c436c7a3eccc0d611b1cd
SSDEEP

768:UzZKOQjMdcfaru4Ih40Aw7z3F9yz6Xabfa26T9:UzpZcQIhdAk39qg9

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4468	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4468 wrote to memory of 804	4468	AcroRd32.exe	95
PID 4468 wrote to memory of 804	4468	AcroRd32.exe	95
PID 4468 wrote to memory of 804	4468	AcroRd32.exe	95
PID 4468 wrote to memory of 4568	4468	AcroRd32.exe	99
PID 4468 wrote to memory of 4568	4468	AcroRd32.exe	99
PID 4468 wrote to memory of 4568	4468	AcroRd32.exe	99
PID 4468 wrote to memory of 2872	4468	AcroRd32.exe	100
PID 4468 wrote to memory of 2872	4468	AcroRd32.exe	100
PID 4468 wrote to memory of 2872	4468	AcroRd32.exe	100
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 4648	2872	RdrCEF.exe	102
PID 2872 wrote to memory of 3352	2872	RdrCEF.exe	103
PID 2872 wrote to memory of 3352	2872	RdrCEF.exe	103
PID 2872 wrote to memory of 3352	2872	RdrCEF.exe	103
PID 2872 wrote to memory of 3352	2872	RdrCEF.exe	103
PID 2872 wrote to memory of 3352	2872	RdrCEF.exe	103
PID 2872 wrote to memory of 3352	2872	RdrCEF.exe	103
PID 2872 wrote to memory of 3352	2872	RdrCEF.exe	103
PID 2872 wrote to memory of 3352	2872	RdrCEF.exe	103
PID 2872 wrote to memory of 3352	2872	RdrCEF.exe	103
PID 2872 wrote to memory of 3352	2872	RdrCEF.exe	103
PID 2872 wrote to memory of 3352	2872	RdrCEF.exe	103
PID 2872 wrote to memory of 3352	2872	RdrCEF.exe	103
PID 2872 wrote to memory of 3352	2872	RdrCEF.exe	103
PID 2872 wrote to memory of 3352	2872	RdrCEF.exe	103

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\214bc27c6436310d57b755acb083145b.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:4468
- 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⤵
  PID:804
- 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⤵
  PID:4568
- 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:2872
- - 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=99F35A42216745B8599D9740743C66A0 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4648
- - 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=4265113B2D22E84FFACA54C04E04D7C0 --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=4265113B2D22E84FFACA54C04E04D7C0 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3352
- - 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=351CC39371323F8F7AB1C45A4ACB559F --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4664
- - 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=8A2483DD18A98704078323A22CFE670E --mojo-platform-channel-handle=1752 --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=C3376F005B3F67E492B555745F36C1E2 --mojo-platform-channel-handle=2016 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3120
- - 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=A6299FBB6DEF240AB59178C53CE73572 --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=A6299FBB6DEF240AB59178C53CE73572 --renderer-client-id=8 --mojo-platform-channel-handle=2392 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2380

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3776

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
a75d7b4aec4084103c5f9d2536fb8ab1

SHA1
6dae6f60b3e835f82bafc6d6407c358c1571dd8b

SHA256
539c5b0b0b30a2c24ffa03376b574d7ea46b4e28895db0a609fb14f14b0abb50

SHA512
9cb144e04dcf3be0f71329aa0d19bf08dfb726bb396fa3edcbbf22f3b0357f0e57fb4c12cdcd2fd2eafd963085eca9d08ef3a45aa5f729cca38ade5faebc975a

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

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

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
memory/4468-139-0x000000000A470000-0x000000000A49A000-memory.dmp

Filesize
168KB

Download