655f2487bd4956330d7adf14d34a4ade454095abb95d556fbf28af30770e54b2

Analysis

max time kernel
142s
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
18/01/2024, 16:15

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General

Target

65789ba8e63879f06d80588e01e5a037.pdf
Size

132KB
MD5

65789ba8e63879f06d80588e01e5a037
SHA1

4b12edbab406650bad0686abb6a796b592d480ef
SHA256

655f2487bd4956330d7adf14d34a4ade454095abb95d556fbf28af30770e54b2
SHA512

5021a67031df0e5007a25f6f1b3e9d65ae7d015587942b939d76f13b66bf74b5f7ccfc318d8187e9c5ef7eb7b9f51be9e9eb65cc8cd3a5bd77cfb78072416d3f
SSDEEP

3072:2+kkCYPJ1YT9w94TDz/D1JrLYmAz/QKaIQsR/qP+:LV3X6TDDXrEmADQKCP+

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
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1376	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1376 wrote to memory of 3176	1376	AcroRd32.exe	98
PID 1376 wrote to memory of 3176	1376	AcroRd32.exe	98
PID 1376 wrote to memory of 3176	1376	AcroRd32.exe	98
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 4296	3176	RdrCEF.exe	100
PID 3176 wrote to memory of 3300	3176	RdrCEF.exe	99
PID 3176 wrote to memory of 3300	3176	RdrCEF.exe	99
PID 3176 wrote to memory of 3300	3176	RdrCEF.exe	99
PID 3176 wrote to memory of 3300	3176	RdrCEF.exe	99
PID 3176 wrote to memory of 3300	3176	RdrCEF.exe	99
PID 3176 wrote to memory of 3300	3176	RdrCEF.exe	99
PID 3176 wrote to memory of 3300	3176	RdrCEF.exe	99
PID 3176 wrote to memory of 3300	3176	RdrCEF.exe	99
PID 3176 wrote to memory of 3300	3176	RdrCEF.exe	99
PID 3176 wrote to memory of 3300	3176	RdrCEF.exe	99
PID 3176 wrote to memory of 3300	3176	RdrCEF.exe	99
PID 3176 wrote to memory of 3300	3176	RdrCEF.exe	99
PID 3176 wrote to memory of 3300	3176	RdrCEF.exe	99
PID 3176 wrote to memory of 3300	3176	RdrCEF.exe	99
PID 3176 wrote to memory of 3300	3176	RdrCEF.exe	99
PID 3176 wrote to memory of 3300	3176	RdrCEF.exe	99
PID 3176 wrote to memory of 3300	3176	RdrCEF.exe	99
PID 3176 wrote to memory of 3300	3176	RdrCEF.exe	99
PID 3176 wrote to memory of 3300	3176	RdrCEF.exe	99
PID 3176 wrote to memory of 3300	3176	RdrCEF.exe	99

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\65789ba8e63879f06d80588e01e5a037.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:1376
- 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:3176
- - 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=DB8D2814B86AE790542D02B5D7F035F8 --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=DB8D2814B86AE790542D02B5D7F035F8 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3300
- - 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=83CBD86A0D92B90F46322AA4A3B1E7DF --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4296
- - 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=A32DA2DA8622476F05A1D177EA65583F --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3012
- - 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=8A343759BCF7021AA0AFC532525982B5 --mojo-platform-channel-handle=1796 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3476
- - 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=C903B05CAB775F61EA445F0FAB9C77A2 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3312
- - 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=0A90492C40EA06D55ED15BD91550EF7C --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=0A90492C40EA06D55ED15BD91550EF7C --renderer-client-id=7 --mojo-platform-channel-handle=2368 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3752

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3888

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
e9c1f3455378aae003ba627e2b229e1f

SHA1
2955cb88ce77e03010d3f22591eba7799826fae9

SHA256
721a1f86f00d760266d401a33c608c0e94a4e24bd598ee6f80bfb7034c569742

SHA512
b72b53468605e3285cc91c1e016d36defd1d439ea59b433900fa2fc145d071f00ab08db4709824f65b50e24cc1f56a991a15368ab7186c75cb3fb7bd297060d0

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
memory/1376-26-0x000000000E1C0000-0x000000000E210000-memory.dmp

Filesize
320KB

Download