bf68a5fee5eb8c51c446cd49340b9006d831fcd5f212a2d5ef906238bb8f3268

Analysis

max time kernel
141s
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, 12:31

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General

Target

1898e971e3f14391412840b0ddee035e.pdf
Size

89KB
MD5

1898e971e3f14391412840b0ddee035e
SHA1

57a42a2d808ed374d30b6ad853091dcd8d3c0551
SHA256

bf68a5fee5eb8c51c446cd49340b9006d831fcd5f212a2d5ef906238bb8f3268
SHA512

44644166fa9e88ccdbb05820737ab5d306b78ab8da8965eea7334d1bc6fc7672d37f7a51ca55a8a25117c41ef0632491cfddc4f8ab50739581328f1d54beeca5
SSDEEP

1536:8LJkf+fAeQpRwGK4vIiN5mDJryIhjCVd/NrgYr7F0o/Hk6SWm72yhT0WW8pO+2R/:ykG4tpRwH1iWtryIhWVdVr2GY72yhT0z

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3328	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3328 wrote to memory of 1496	3328	AcroRd32.exe	91
PID 3328 wrote to memory of 1496	3328	AcroRd32.exe	91
PID 3328 wrote to memory of 1496	3328	AcroRd32.exe	91
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 4872	1496	RdrCEF.exe	92
PID 1496 wrote to memory of 1788	1496	RdrCEF.exe	93
PID 1496 wrote to memory of 1788	1496	RdrCEF.exe	93
PID 1496 wrote to memory of 1788	1496	RdrCEF.exe	93
PID 1496 wrote to memory of 1788	1496	RdrCEF.exe	93
PID 1496 wrote to memory of 1788	1496	RdrCEF.exe	93
PID 1496 wrote to memory of 1788	1496	RdrCEF.exe	93
PID 1496 wrote to memory of 1788	1496	RdrCEF.exe	93
PID 1496 wrote to memory of 1788	1496	RdrCEF.exe	93
PID 1496 wrote to memory of 1788	1496	RdrCEF.exe	93
PID 1496 wrote to memory of 1788	1496	RdrCEF.exe	93
PID 1496 wrote to memory of 1788	1496	RdrCEF.exe	93
PID 1496 wrote to memory of 1788	1496	RdrCEF.exe	93
PID 1496 wrote to memory of 1788	1496	RdrCEF.exe	93
PID 1496 wrote to memory of 1788	1496	RdrCEF.exe	93
PID 1496 wrote to memory of 1788	1496	RdrCEF.exe	93
PID 1496 wrote to memory of 1788	1496	RdrCEF.exe	93
PID 1496 wrote to memory of 1788	1496	RdrCEF.exe	93
PID 1496 wrote to memory of 1788	1496	RdrCEF.exe	93
PID 1496 wrote to memory of 1788	1496	RdrCEF.exe	93
PID 1496 wrote to memory of 1788	1496	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\1898e971e3f14391412840b0ddee035e.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:3328
- 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:1496
- - 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=3DD5D0584796DEC213E719DECF0D6140 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4872
- - 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=A6552F36C7149DFE2E7BB7D7F0055BDC --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=A6552F36C7149DFE2E7BB7D7F0055BDC --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1788
- - 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=B6AFB506AF56D010C14916A3C1DBF6CF --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1896
- - 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=4A183D6CC797E95EF2617CC0D90C2EC7 --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=4A183D6CC797E95EF2617CC0D90C2EC7 --renderer-client-id=5 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1928
- - 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=921751262FD44807FE20D523004C4A94 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4424
- - 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=CDDD7E0D327C4DF9E13D08EFB5ACC254 --mojo-platform-channel-handle=2780 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1624

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4768

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
abba357e8afe8077e0797f2de1aa25fa

SHA1
f6c2f3fa2e2b9a22f193c3c013426c0b1138b690

SHA256
b497de8cd55654e9b1cfbe8c2e4c0c47b357b20d0a637320340b7af6dd9ae802

SHA512
2ce9b67ade17a764619da75ca8245764346b04ab6a26c1d14b51df1622bb66ba45abf5ba652e3eaa635d00f1e0351c9a0b37bd0c400accffb1d64bbf22e1596c

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/3328-28-0x000000000B970000-0x000000000B991000-memory.dmp

Filesize
132KB

Download