1f034c3ba9545459fbdccfce97082b862f11b12c1c7929023fbb2de3c65c841f

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 23:21

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General

Target

1fd7f5be331b829ac5fa13661dd0ba6d.pdf
Size

87KB
MD5

1fd7f5be331b829ac5fa13661dd0ba6d
SHA1

05cc3229397894434c2e29e869437447d3145fe8
SHA256

1f034c3ba9545459fbdccfce97082b862f11b12c1c7929023fbb2de3c65c841f
SHA512

ca74e42532868c6a831343b48ece4e1d67d1247d7a6a2c9c53ceca0ea411b37c8beea492ce7d6d5318be053c4f88cff46cfacee5f25b1a0b445cb95934d90c19
SSDEEP

1536:vSHpsnydduBnfckiCaNBm4tELr9reWapOtQHW07/XI0NB:6JsyuBnfckBIBmj1jtQpYS

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
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3508	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3508 wrote to memory of 1748	3508	AcroRd32.exe	93
PID 3508 wrote to memory of 1748	3508	AcroRd32.exe	93
PID 3508 wrote to memory of 1748	3508	AcroRd32.exe	93
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 3256	1748	RdrCEF.exe	95
PID 1748 wrote to memory of 2768	1748	RdrCEF.exe	94
PID 1748 wrote to memory of 2768	1748	RdrCEF.exe	94
PID 1748 wrote to memory of 2768	1748	RdrCEF.exe	94
PID 1748 wrote to memory of 2768	1748	RdrCEF.exe	94
PID 1748 wrote to memory of 2768	1748	RdrCEF.exe	94
PID 1748 wrote to memory of 2768	1748	RdrCEF.exe	94
PID 1748 wrote to memory of 2768	1748	RdrCEF.exe	94
PID 1748 wrote to memory of 2768	1748	RdrCEF.exe	94
PID 1748 wrote to memory of 2768	1748	RdrCEF.exe	94
PID 1748 wrote to memory of 2768	1748	RdrCEF.exe	94
PID 1748 wrote to memory of 2768	1748	RdrCEF.exe	94
PID 1748 wrote to memory of 2768	1748	RdrCEF.exe	94
PID 1748 wrote to memory of 2768	1748	RdrCEF.exe	94
PID 1748 wrote to memory of 2768	1748	RdrCEF.exe	94
PID 1748 wrote to memory of 2768	1748	RdrCEF.exe	94
PID 1748 wrote to memory of 2768	1748	RdrCEF.exe	94
PID 1748 wrote to memory of 2768	1748	RdrCEF.exe	94
PID 1748 wrote to memory of 2768	1748	RdrCEF.exe	94
PID 1748 wrote to memory of 2768	1748	RdrCEF.exe	94
PID 1748 wrote to memory of 2768	1748	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\1fd7f5be331b829ac5fa13661dd0ba6d.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:3508
- 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:1748
- - 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=351B89BA855B5973FD43761851AEDDB1 --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=351B89BA855B5973FD43761851AEDDB1 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2768
- - 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=AF139FA7D6A77562856BF8BF2E62317C --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3256
- - 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=7AD15ECEE2A8590F2E8FCCF65AF4D0A2 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4332
- - 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=EE2A3196EB3ABE7F80E5863EB55F9D1A --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=EE2A3196EB3ABE7F80E5863EB55F9D1A --renderer-client-id=6 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4548
- - 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=305AFBA7AD8374B55F2753C9AE56D3B2 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1664
- - 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=2678802B35C9B3691219C76650C0E6B4 --mojo-platform-channel-handle=2700 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5028

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1592

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
8dc34f62548eb1ad6e97886c95e21c62

SHA1
a3749aaf34ca459317b8ef6fe1ca7c16f25508ae

SHA256
56d954bfcdfe354b9839af7f0ea295b5c6be005c40cd4a8bc38785cee5bd3ffd

SHA512
77257336249077cdc0f1987f77ba0ff409de034c95f9fb760e3f8b462de6c7260c4125f07b1300cf9fa367217b6afe2238e3d3c5b0bce2ac3d0ad5ef15c45ac2

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
memory/3508-26-0x000000000C270000-0x000000000C2C0000-memory.dmp

Filesize
320KB

Download
memory/3508-134-0x000000000D060000-0x000000000D1AD000-memory.dmp

Filesize
1.3MB

Download