8fd0ab4baf949e2ef2c767cf721d5df878dd203a26222bf9ea7b2528f1c72e36

Analysis

max time kernel
142s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
12-02-2024 23:59

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General

Target

97f3d96065871b414b696c92799c5904.pdf
Size

105KB
MD5

97f3d96065871b414b696c92799c5904
SHA1

0d8d056ee81cb438e14f416cb19a61d52d74f1d5
SHA256

8fd0ab4baf949e2ef2c767cf721d5df878dd203a26222bf9ea7b2528f1c72e36
SHA512

e82e6c0df4684b4c68a6577124d390082016ca8675d7e8a30e2e146808280a9a86d27f66b964db59637ac6fd1f990fffbfb4e4f43d1bf5d21da259af7aa05ea3
SSDEEP

3072:lNvxUJdtg2mXz/unqQEepLd3GAEgemyRE:PxUrGTz/P441j2

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3824	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3824 wrote to memory of 1296	3824	AcroRd32.exe	84
PID 3824 wrote to memory of 1296	3824	AcroRd32.exe	84
PID 3824 wrote to memory of 1296	3824	AcroRd32.exe	84
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 2660	1296	RdrCEF.exe	85
PID 1296 wrote to memory of 4948	1296	RdrCEF.exe	86
PID 1296 wrote to memory of 4948	1296	RdrCEF.exe	86
PID 1296 wrote to memory of 4948	1296	RdrCEF.exe	86
PID 1296 wrote to memory of 4948	1296	RdrCEF.exe	86
PID 1296 wrote to memory of 4948	1296	RdrCEF.exe	86
PID 1296 wrote to memory of 4948	1296	RdrCEF.exe	86
PID 1296 wrote to memory of 4948	1296	RdrCEF.exe	86
PID 1296 wrote to memory of 4948	1296	RdrCEF.exe	86
PID 1296 wrote to memory of 4948	1296	RdrCEF.exe	86
PID 1296 wrote to memory of 4948	1296	RdrCEF.exe	86
PID 1296 wrote to memory of 4948	1296	RdrCEF.exe	86
PID 1296 wrote to memory of 4948	1296	RdrCEF.exe	86
PID 1296 wrote to memory of 4948	1296	RdrCEF.exe	86
PID 1296 wrote to memory of 4948	1296	RdrCEF.exe	86
PID 1296 wrote to memory of 4948	1296	RdrCEF.exe	86
PID 1296 wrote to memory of 4948	1296	RdrCEF.exe	86
PID 1296 wrote to memory of 4948	1296	RdrCEF.exe	86
PID 1296 wrote to memory of 4948	1296	RdrCEF.exe	86
PID 1296 wrote to memory of 4948	1296	RdrCEF.exe	86
PID 1296 wrote to memory of 4948	1296	RdrCEF.exe	86

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\97f3d96065871b414b696c92799c5904.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:3824
- 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:1296
- - 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=9A676E97C0BDDA7D37BF3FD362507E68 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2660
- - 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=8CB6D9EDD858331F88D919D84301C999 --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=8CB6D9EDD858331F88D919D84301C999 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4948
- - 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=14212841719F19C12FCC113CC216C3FD --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2700
- - 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=B27DFD93284B9A0FA63BD978D4E2A466 --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=B27DFD93284B9A0FA63BD978D4E2A466 --renderer-client-id=5 --mojo-platform-channel-handle=2352 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2936
- - 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=243A31C7D7F8710084A5832106E70428 --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4860
- - 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=DCAEAB93B48B7ED269A4957A2DE860E2 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:536

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2996

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
41d954796c7bde9914ad895703dde18b

SHA1
6c0720d988db22c4cc4a5694fa88c14a2688abda

SHA256
3bbd782a85f4226f1e26f19aaa7f8cef14656b7d21760ddf372239c2c60ea44a

SHA512
99f19def32410d79307d667b637cd7c7c5acd6099f52c356078a1dbbbab3fac75ac7dcf31729c5fe96fd45a6e549ba1cd6cf4bbcdf4e2e67411d7be22a8baa1c

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