52230f16a6b50b14b398ef2aa11494d6a16ad8ff3d9fb7555700e39272463400

Resubmissions

23/05/2024, 07:15

240523-h3bykshb9v 1

23/05/2024, 07:05

240523-hwyh1aha46 1

Analysis

max time kernel
134s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
23/05/2024, 07:05

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General

Target

Dossier--COVID-19.pdf
Size

245KB
MD5

d723364226253eba952de01074c3db0d
SHA1

ad9c8de4d2e63a7c04e67032d31daf4a96d1ba8d
SHA256

52230f16a6b50b14b398ef2aa11494d6a16ad8ff3d9fb7555700e39272463400
SHA512

011c2d89d6a24a5638296fc2d67ee680fca5981d006d403860cb2160a32306c1b85c6deed94c2c3beb10459f095a58fbb4da5cb0f14abb3982e244a42f6cbe55
SSDEEP

6144:qVdR8nFKOwFWDICzUCStgSB9CQzErYLIC3rHQ9aIRi:qvRn9F8ICzfZKCQzErIk9aIRi

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-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1664	AcroRd32.exe
1664	AcroRd32.exe
1664	AcroRd32.exe
1664	AcroRd32.exe
1664	AcroRd32.exe
1664	AcroRd32.exe
1664	AcroRd32.exe
1664	AcroRd32.exe
1664	AcroRd32.exe
1664	AcroRd32.exe
1664	AcroRd32.exe
1664	AcroRd32.exe
1664	AcroRd32.exe
1664	AcroRd32.exe
1664	AcroRd32.exe
1664	AcroRd32.exe
1664	AcroRd32.exe
1664	AcroRd32.exe
1664	AcroRd32.exe
1664	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1664	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1664	AcroRd32.exe
1664	AcroRd32.exe
1664	AcroRd32.exe
1664	AcroRd32.exe
1664	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1664 wrote to memory of 4540	1664	AcroRd32.exe	89
PID 1664 wrote to memory of 4540	1664	AcroRd32.exe	89
PID 1664 wrote to memory of 4540	1664	AcroRd32.exe	89
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 1924	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 4008	4540	RdrCEF.exe	93
PID 4540 wrote to memory of 4008	4540	RdrCEF.exe	93
PID 4540 wrote to memory of 4008	4540	RdrCEF.exe	93
PID 4540 wrote to memory of 4008	4540	RdrCEF.exe	93
PID 4540 wrote to memory of 4008	4540	RdrCEF.exe	93
PID 4540 wrote to memory of 4008	4540	RdrCEF.exe	93
PID 4540 wrote to memory of 4008	4540	RdrCEF.exe	93
PID 4540 wrote to memory of 4008	4540	RdrCEF.exe	93
PID 4540 wrote to memory of 4008	4540	RdrCEF.exe	93
PID 4540 wrote to memory of 4008	4540	RdrCEF.exe	93
PID 4540 wrote to memory of 4008	4540	RdrCEF.exe	93
PID 4540 wrote to memory of 4008	4540	RdrCEF.exe	93
PID 4540 wrote to memory of 4008	4540	RdrCEF.exe	93
PID 4540 wrote to memory of 4008	4540	RdrCEF.exe	93
PID 4540 wrote to memory of 4008	4540	RdrCEF.exe	93
PID 4540 wrote to memory of 4008	4540	RdrCEF.exe	93
PID 4540 wrote to memory of 4008	4540	RdrCEF.exe	93
PID 4540 wrote to memory of 4008	4540	RdrCEF.exe	93
PID 4540 wrote to memory of 4008	4540	RdrCEF.exe	93
PID 4540 wrote to memory of 4008	4540	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\Dossier--COVID-19.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:1664
- 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:4540
- - 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=B1C519332F318EB7DDBC8DD373843F53 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1924
- - 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=D56CE3438D8648EACD1D752ACA06038D --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=D56CE3438D8648EACD1D752ACA06038D --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4008
- - 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=A49B91840A13B8C3C586F62AA5BC8316 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2200
- - 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=9DEDAB00A7BB6412CA29F16ADDD4A745 --mojo-platform-channel-handle=1852 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3908
- - 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=F410D81A60AA9A147F07570EFB6F9AF4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2168
- - 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=068CBA041E522A4A22F61F541AD9E79D --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=068CBA041E522A4A22F61F541AD9E79D --renderer-client-id=7 --mojo-platform-channel-handle=2352 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2032

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2148

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
cabb54aa8ed32c8b5ea79ee9b0df2005

SHA1
3a1f2aa989491ecc7e563227aa86f3d09db162eb

SHA256
dd741d4999ea0849e590d28fe6bd56cf9e4a34727a258aea1a7f027344e5ede9

SHA512
625c1d087eafaf822df0d13884b64aeb1485320e960558da3c76b0cddaa33b967d47d3757185f6ac177c8111c141484e369e05ed357a26ddcaf4b6daa6fa3daa

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