fe31ac8148a4c8936a966dbc41b9ad344519726bdbc338902c8cab824ae3a6dd

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2024, 23:50

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General

Target

7b9ac275ed5687459a145708aa7d7156.pdf
Size

79KB
MD5

7b9ac275ed5687459a145708aa7d7156
SHA1

0eb040de44bb261a33472f9349397d4f91288890
SHA256

fe31ac8148a4c8936a966dbc41b9ad344519726bdbc338902c8cab824ae3a6dd
SHA512

eefd748bd11142b38237ebba0ea49079a336332f378743c866d2ce0ba90a3e1c5d5cacbdd644b4088c24eff55339a8b099539eca70ad68401d03616f81772e5f
SSDEEP

1536:Gtk0Ag1F9JCH6BBhIpavLruViPwDLBlCJMICCm/WTocg8NoIKOk9X:Fk1cHpavOViPwDrCJMIk6oc/NoI9c

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3572	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3572 wrote to memory of 2960	3572	AcroRd32.exe	92
PID 3572 wrote to memory of 2960	3572	AcroRd32.exe	92
PID 3572 wrote to memory of 2960	3572	AcroRd32.exe	92
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 916	2960	RdrCEF.exe	95
PID 2960 wrote to memory of 2984	2960	RdrCEF.exe	96
PID 2960 wrote to memory of 2984	2960	RdrCEF.exe	96
PID 2960 wrote to memory of 2984	2960	RdrCEF.exe	96
PID 2960 wrote to memory of 2984	2960	RdrCEF.exe	96
PID 2960 wrote to memory of 2984	2960	RdrCEF.exe	96
PID 2960 wrote to memory of 2984	2960	RdrCEF.exe	96
PID 2960 wrote to memory of 2984	2960	RdrCEF.exe	96
PID 2960 wrote to memory of 2984	2960	RdrCEF.exe	96
PID 2960 wrote to memory of 2984	2960	RdrCEF.exe	96
PID 2960 wrote to memory of 2984	2960	RdrCEF.exe	96
PID 2960 wrote to memory of 2984	2960	RdrCEF.exe	96
PID 2960 wrote to memory of 2984	2960	RdrCEF.exe	96
PID 2960 wrote to memory of 2984	2960	RdrCEF.exe	96
PID 2960 wrote to memory of 2984	2960	RdrCEF.exe	96
PID 2960 wrote to memory of 2984	2960	RdrCEF.exe	96
PID 2960 wrote to memory of 2984	2960	RdrCEF.exe	96
PID 2960 wrote to memory of 2984	2960	RdrCEF.exe	96
PID 2960 wrote to memory of 2984	2960	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\7b9ac275ed5687459a145708aa7d7156.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:3572
- 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:2960
- - 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=5EEB3FA9763E6FE645AF78A38BFA1D2A --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=5EEB3FA9763E6FE645AF78A38BFA1D2A --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:916
- - 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=8240FD8BD4842B6A1FDAC330F7CBA2A8 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2984
- - 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=69DE15885278377ED2F40222B863AADA --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1656
- - 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=ED17D5F2E84F089CC270563FD7E8165B --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=ED17D5F2E84F089CC270563FD7E8165B --renderer-client-id=5 --mojo-platform-channel-handle=2068 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1288
- - 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=27C626BE236468193B2C44DBBF316D21 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3752
- - 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=5B10F7B59A56BFD9676B5415E97C5B10 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4340

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1988

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
95973b30819b8803d396aa187a72e489

SHA1
b59808746a6990dc44df1f508e83c3d498b409ce

SHA256
831086278506b15409db947933bed12ea276cbd7b6dcc5144b711af8392b7fed

SHA512
cef47ea6c16ef2c152fd1ba046c5d887c3baa1c518c0daf8bc72a41477607cf2825620d000dbe21e9c164aff7b4e2699cec73c38527209d40349876cdad5b2fd

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