2d1f26ec1d8b767db8ef1e7da6109a96e09cd4ec34e987315e503400892c3fba

Analysis

max time kernel
143s
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
26/12/2023, 14:29

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

75a4d95f627e33f87eab66cd5ee72dc9.pdf
Size

13KB
MD5

75a4d95f627e33f87eab66cd5ee72dc9
SHA1

a1b75bc3e9d97e068addfae1c43ea42291752aca
SHA256

2d1f26ec1d8b767db8ef1e7da6109a96e09cd4ec34e987315e503400892c3fba
SHA512

8955c7bf7e4d652187336aa06b001155a4d8b223e97b9f60544d63c0ba2635e46f71cbf7e4fc944575c282c6ef414ceae75e36f83813fb803eb47042855b778b
SSDEEP

384:6hzaNwAO9GiJlDmlAloSAhmbZ9/NQi/60G7J8vKIs:ahZGirHAhmbZ9FQC6dJiKH

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2828	AcroRd32.exe
2828	AcroRd32.exe
2828	AcroRd32.exe
2828	AcroRd32.exe
2828	AcroRd32.exe
2828	AcroRd32.exe
2828	AcroRd32.exe
2828	AcroRd32.exe
2828	AcroRd32.exe
2828	AcroRd32.exe
2828	AcroRd32.exe
2828	AcroRd32.exe
2828	AcroRd32.exe
2828	AcroRd32.exe
2828	AcroRd32.exe
2828	AcroRd32.exe
2828	AcroRd32.exe
2828	AcroRd32.exe
2828	AcroRd32.exe
2828	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2828	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2828	AcroRd32.exe
2828	AcroRd32.exe
2828	AcroRd32.exe
2828	AcroRd32.exe
2828	AcroRd32.exe
2828	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2828 wrote to memory of 2760	2828	AcroRd32.exe	93
PID 2828 wrote to memory of 2760	2828	AcroRd32.exe	93
PID 2828 wrote to memory of 2760	2828	AcroRd32.exe	93
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 4508	2760	RdrCEF.exe	94
PID 2760 wrote to memory of 1020	2760	RdrCEF.exe	95
PID 2760 wrote to memory of 1020	2760	RdrCEF.exe	95
PID 2760 wrote to memory of 1020	2760	RdrCEF.exe	95
PID 2760 wrote to memory of 1020	2760	RdrCEF.exe	95
PID 2760 wrote to memory of 1020	2760	RdrCEF.exe	95
PID 2760 wrote to memory of 1020	2760	RdrCEF.exe	95
PID 2760 wrote to memory of 1020	2760	RdrCEF.exe	95
PID 2760 wrote to memory of 1020	2760	RdrCEF.exe	95
PID 2760 wrote to memory of 1020	2760	RdrCEF.exe	95
PID 2760 wrote to memory of 1020	2760	RdrCEF.exe	95
PID 2760 wrote to memory of 1020	2760	RdrCEF.exe	95
PID 2760 wrote to memory of 1020	2760	RdrCEF.exe	95
PID 2760 wrote to memory of 1020	2760	RdrCEF.exe	95
PID 2760 wrote to memory of 1020	2760	RdrCEF.exe	95
PID 2760 wrote to memory of 1020	2760	RdrCEF.exe	95
PID 2760 wrote to memory of 1020	2760	RdrCEF.exe	95
PID 2760 wrote to memory of 1020	2760	RdrCEF.exe	95
PID 2760 wrote to memory of 1020	2760	RdrCEF.exe	95
PID 2760 wrote to memory of 1020	2760	RdrCEF.exe	95
PID 2760 wrote to memory of 1020	2760	RdrCEF.exe	95

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\75a4d95f627e33f87eab66cd5ee72dc9.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:2828
- 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:2760
- - 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=7B9F4620A1DC2241366033BF31B68D70 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4508
- - 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=A2C4C2239E76DD46671A388DCD12E75A --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=A2C4C2239E76DD46671A388DCD12E75A --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1020
- - 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=85AB17F7BCBCE23472422062A1A6677E --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=85AB17F7BCBCE23472422062A1A6677E --renderer-client-id=4 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1728
- - 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=D1FBE42DEBF4F347D6C496A6E6FFEB3C --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4836
- - 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=9DBA2EA3089165932C0BE17AE79937F5 --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:452
- - 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=A90CD95ADDB62F5E0A61468EFA4128D2 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1592

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2252

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
6a2df952c0ad835b2e5ccc6fdb71bdc7

SHA1
6c3db654f42267a6a102a4fbb420126fe130ee5d

SHA256
941f301a9fb391cce3072d35b1a675b8de9f06664dc7ac292561eb4a7120fc86

SHA512
9e512014088f3b82383d71eaca03064a12b24cfa9ad74886d0f1e88953d34cc812e0dfb63b567c6bd20c7d9565b14cb2e4eb716505ccb0f172f0b1850dbfe81e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit