ff0767f447a819c35f9a36e8ae0c7ceea09c093eded00e8748b64f2f3fe34e61

Analysis

max time kernel
145s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
02/01/2024, 00:16

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

3e3c1df088f5f363184bb5edc11fe1f0.pdf
Size

92KB
MD5

3e3c1df088f5f363184bb5edc11fe1f0
SHA1

5391f7320d1451c4e1c9846e405823268620ff81
SHA256

ff0767f447a819c35f9a36e8ae0c7ceea09c093eded00e8748b64f2f3fe34e61
SHA512

075bede27f44cb8715aaa07d07e39c66a43ba177d6953558a209ac479962b5e3d013e153cd401e0ab15f4c0a9cacd5069b9de02bfe238f7709c09de31d260ee8
SSDEEP

1536:InK9v62GnjWfrCHiA0XRLwfVhdukzVVlZtCKhimouxUjfkLapWapOtQHWU5eCY+h:RvlwjsWJ+6puoVVlTvEmouSkLaGtQ3Q8

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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 20 IoCs

pid	Process
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2344	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 3868	2344	AcroRd32.exe	91
PID 2344 wrote to memory of 3868	2344	AcroRd32.exe	91
PID 2344 wrote to memory of 3868	2344	AcroRd32.exe	91
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 808	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 4784	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 4784	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 4784	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 4784	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 4784	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 4784	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 4784	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 4784	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 4784	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 4784	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 4784	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 4784	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 4784	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 4784	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 4784	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 4784	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 4784	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 4784	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 4784	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 4784	3868	RdrCEF.exe	93

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\3e3c1df088f5f363184bb5edc11fe1f0.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:2344
- 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:3868
- - 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=EAAA3A0313FE5FA8F02BFFA6D369396C --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:808
- - 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=122CD628A06BABE071E71AAA8DA343AB --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=122CD628A06BABE071E71AAA8DA343AB --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4784
- - 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=C235919BB50122CADD043E6BD6EF0FD6 --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=C235919BB50122CADD043E6BD6EF0FD6 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4160
- - 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=775B6EF8F947A1097CFF92C40D1FE1A8 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3068
- - 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=D10DBFBD0F3741AFE6A64EEA857F6DB6 --mojo-platform-channel-handle=1972 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4408
- - 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=EB4890BFB705097517212F106ED1AF3E --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1616

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:448

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
127ccef2a694df286ecb455761727eea

SHA1
8330181d464dd7d9931676d4891f35c2bca5941e

SHA256
1082d632e9836c953256aad3cec33e7f005269be2cbfd9d36a64fc7180c74b44

SHA512
cb13e9e138867940fa49fb440537f5fcaf091eb93b66816acff1b9eab3042eeab46852eebe7ee9d8d3a16b1dd15bfc7557b34d63c9e6239bf2ddd723c73b1191

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

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit