a10dea8f77483b89fd9ceadfa5283c7d36b34069442e21f050e32f220ce667f9

Analysis

max time kernel
146s
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
22/12/2023, 11:32

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General

Target

88b9c225f01d00e81c216ef0305091bd.pdf
Size

32KB
MD5

88b9c225f01d00e81c216ef0305091bd
SHA1

1ade6832fa60b0c3db0d565f5e7bad72258f786c
SHA256

a10dea8f77483b89fd9ceadfa5283c7d36b34069442e21f050e32f220ce667f9
SHA512

3a6c37208bec142fcfc038b998169a10a1994cdb2becab9d7012b9c3f245184f0ba50d2123f188c91f60acca107f62014d53374d7a030e794b309ef0bd026b28
SSDEEP

768:CbOmDib3QXHCdMV18BQyKLdH05m5GA0+OKztbnHIn:C6mIAyq18BQPNZwKxHIn

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2472	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2472 wrote to memory of 2280	2472	AcroRd32.exe	91
PID 2472 wrote to memory of 2280	2472	AcroRd32.exe	91
PID 2472 wrote to memory of 2280	2472	AcroRd32.exe	91
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 872	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 1668	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1668	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1668	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1668	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1668	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1668	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1668	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1668	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1668	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1668	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1668	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1668	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1668	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1668	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1668	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1668	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1668	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1668	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1668	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1668	2280	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\88b9c225f01d00e81c216ef0305091bd.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:2472
- 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:2280
- - 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=5A6B78233BAE98D1413A7EB936E9FB40 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:872
- - 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=1FCD03B3A2B36769429C4E1BD3F88EA1 --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=1FCD03B3A2B36769429C4E1BD3F88EA1 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1668
- - 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=7512F55E2C971175DA3980DDA253F291 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1736
- - 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=1BF9A8629AA090EFEC0C69EA95EE0874 --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=1BF9A8629AA090EFEC0C69EA95EE0874 --renderer-client-id=5 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job /prefetch:1
    3⤵
    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" --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=D5597CB98344B05708348D7B7EC4F47D --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=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=34BEF2CBEFAD863870371635B47DBAC1 --mojo-platform-channel-handle=2784 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:548

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2060

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
d110a686e19084cd5bed73f8fcfdbd7b

SHA1
6b8e0221ac8d6da8ecca6b2ec8281736b47b71cc

SHA256
681128b2a044df537a46e1dd0718246415dd533ad2f30f612ad83b57ee63efe3

SHA512
69c63a2276b17bead09aa0017f914e98873b27030100ec3432526a6d452ebd26c7f2aaab0839b9e42fac514d48c026ace85a4456720ed66a97ed618319b6cf44

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/2472-28-0x0000000009CB0000-0x0000000009CD1000-memory.dmp

Filesize
132KB

Download