2dc4a410df5d65968d298a07fd469ad03a94501813fd4600bd15a5d90d8fc8ed

Analysis

max time kernel
142s
max time network
156s
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, 08:57

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General

Target

7f4e1477d11492948e76e75f3f616f14.pdf
Size

29KB
MD5

7f4e1477d11492948e76e75f3f616f14
SHA1

c31844c5e6f1b74e62e2a986f8e498c0c8674012
SHA256

2dc4a410df5d65968d298a07fd469ad03a94501813fd4600bd15a5d90d8fc8ed
SHA512

6c81fe5c6febff2c73b47242c26d14c09788c2ea299b72e0962b8ff161f5b51f0900dc738199b6b64b2b8e01bdee758a3ca5503687adf83be0034f6d23833d15
SSDEEP

768:rGSklHTqF4EdKPCISzBj7EqKFZ2HyiWkDr2A31/oR:nklHeFiPBEBjg1/ayHkDBoR

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
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4692	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4692 wrote to memory of 1700	4692	AcroRd32.exe	92
PID 4692 wrote to memory of 1700	4692	AcroRd32.exe	92
PID 4692 wrote to memory of 1700	4692	AcroRd32.exe	92
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 4152	1700	RdrCEF.exe	95
PID 1700 wrote to memory of 2100	1700	RdrCEF.exe	96
PID 1700 wrote to memory of 2100	1700	RdrCEF.exe	96
PID 1700 wrote to memory of 2100	1700	RdrCEF.exe	96
PID 1700 wrote to memory of 2100	1700	RdrCEF.exe	96
PID 1700 wrote to memory of 2100	1700	RdrCEF.exe	96
PID 1700 wrote to memory of 2100	1700	RdrCEF.exe	96
PID 1700 wrote to memory of 2100	1700	RdrCEF.exe	96
PID 1700 wrote to memory of 2100	1700	RdrCEF.exe	96
PID 1700 wrote to memory of 2100	1700	RdrCEF.exe	96
PID 1700 wrote to memory of 2100	1700	RdrCEF.exe	96
PID 1700 wrote to memory of 2100	1700	RdrCEF.exe	96
PID 1700 wrote to memory of 2100	1700	RdrCEF.exe	96
PID 1700 wrote to memory of 2100	1700	RdrCEF.exe	96
PID 1700 wrote to memory of 2100	1700	RdrCEF.exe	96
PID 1700 wrote to memory of 2100	1700	RdrCEF.exe	96
PID 1700 wrote to memory of 2100	1700	RdrCEF.exe	96
PID 1700 wrote to memory of 2100	1700	RdrCEF.exe	96
PID 1700 wrote to memory of 2100	1700	RdrCEF.exe	96
PID 1700 wrote to memory of 2100	1700	RdrCEF.exe	96
PID 1700 wrote to memory of 2100	1700	RdrCEF.exe	96

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\7f4e1477d11492948e76e75f3f616f14.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:4692
- 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:1700
- - 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=45E13BD14C69F92FA3FD7E080C21FA23 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4152
- - 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=BC040F3C60FB294D7C4B60E75C07AA8E --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=BC040F3C60FB294D7C4B60E75C07AA8E --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2100
- - 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=D48816681247B361B2A30CCBD2825419 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3096
- - 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=FBF76905A1C826C4E31A2A948C73A79A --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=FBF76905A1C826C4E31A2A948C73A79A --renderer-client-id=5 --mojo-platform-channel-handle=1976 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3164
- - 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=DC4A13494D24D1694098780E82DD2FBE --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2596
- - 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=29FE640BE6D18A4CF6AECEE0E9A4B207 --mojo-platform-channel-handle=2396 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2004

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1692

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
4029ed7aa92bd830e103f520e5e56f99

SHA1
5f68cc52524aa882e2d5f9094572529e12785ee2

SHA256
01243927d177f05683f8ce9cf2dd2ccad25ad6c4505d05772368176f10268012

SHA512
e4db5f3226f310a45fa3617dcb702d8f677cb233d1a5c9af84e517e8f7a0f98e82618a6a6a9e333bd38e15dd30a97fbbc600fb82cdf3a28d626223f2148e7cc7

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