6e27fdb3d61b7a44a2f7198b8011b22ccf1df75205f3e9b353a8ab6855f86da9

Analysis

max time kernel
141s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
18/07/2023, 08:45

Sharing

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General

Target

LMC_Inv_Scan_455.pdf
Size

170KB
MD5

322505e3f3c6a785c7ce1b24eb271ba6
SHA1

f15d4f5149c5acbebd8039830f01cacfcd725f9f
SHA256

6e27fdb3d61b7a44a2f7198b8011b22ccf1df75205f3e9b353a8ab6855f86da9
SHA512

0fdd69a3b254597cf5b5cbb283b25b40320afa363070917196e6351b1d69fca4ab4c4bae2a06a36b86857792027dc0ecd8a14dbbb819ed40f69ac9bbbb8b746c
SSDEEP

3072:0NJkVyD26yeBGOO0CpMyjr2kj4CxE3JHqbHFDZuEId50G6uxTv8CN:eJyyD26yeBGFZMEv4wqqLFvCxT0CN

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-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3424	AcroRd32.exe
3424	AcroRd32.exe
3424	AcroRd32.exe
3424	AcroRd32.exe
3424	AcroRd32.exe
3424	AcroRd32.exe
3424	AcroRd32.exe
3424	AcroRd32.exe
3424	AcroRd32.exe
3424	AcroRd32.exe
3424	AcroRd32.exe
3424	AcroRd32.exe
3424	AcroRd32.exe
3424	AcroRd32.exe
3424	AcroRd32.exe
3424	AcroRd32.exe
3424	AcroRd32.exe
3424	AcroRd32.exe
3424	AcroRd32.exe
3424	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3424	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3424	AcroRd32.exe
3424	AcroRd32.exe
3424	AcroRd32.exe
3424	AcroRd32.exe
3424	AcroRd32.exe
3424	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3424 wrote to memory of 692	3424	AcroRd32.exe	89
PID 3424 wrote to memory of 692	3424	AcroRd32.exe	89
PID 3424 wrote to memory of 692	3424	AcroRd32.exe	89
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4952	692	RdrCEF.exe	91
PID 692 wrote to memory of 4712	692	RdrCEF.exe	92
PID 692 wrote to memory of 4712	692	RdrCEF.exe	92
PID 692 wrote to memory of 4712	692	RdrCEF.exe	92
PID 692 wrote to memory of 4712	692	RdrCEF.exe	92
PID 692 wrote to memory of 4712	692	RdrCEF.exe	92
PID 692 wrote to memory of 4712	692	RdrCEF.exe	92
PID 692 wrote to memory of 4712	692	RdrCEF.exe	92
PID 692 wrote to memory of 4712	692	RdrCEF.exe	92
PID 692 wrote to memory of 4712	692	RdrCEF.exe	92
PID 692 wrote to memory of 4712	692	RdrCEF.exe	92
PID 692 wrote to memory of 4712	692	RdrCEF.exe	92
PID 692 wrote to memory of 4712	692	RdrCEF.exe	92
PID 692 wrote to memory of 4712	692	RdrCEF.exe	92
PID 692 wrote to memory of 4712	692	RdrCEF.exe	92
PID 692 wrote to memory of 4712	692	RdrCEF.exe	92
PID 692 wrote to memory of 4712	692	RdrCEF.exe	92
PID 692 wrote to memory of 4712	692	RdrCEF.exe	92
PID 692 wrote to memory of 4712	692	RdrCEF.exe	92
PID 692 wrote to memory of 4712	692	RdrCEF.exe	92
PID 692 wrote to memory of 4712	692	RdrCEF.exe	92

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\LMC_Inv_Scan_455.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:3424
- 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:692
- - 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=47F89645522EF17528BFF3BEACB5D682 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4952
- - 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=0FE84676975D93CB6FE36F143340BC96 --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=0FE84676975D93CB6FE36F143340BC96 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4712
- - 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=D7A7971DC48802BE92970C8E241DDD80 --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=D7A7971DC48802BE92970C8E241DDD80 --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4680
- - 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=D20BC7FC97C499C4024FBE5387346D44 --mojo-platform-channel-handle=1852 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4932
- - 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=A85641860F67BC2FC94E2CAA69C388ED --mojo-platform-channel-handle=2600 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1748
- - 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=6E5C64BF52F4907C88D1D07061765E96 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1876

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4824

Network

MITRE ATT&CK Enterprise v6

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

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Downloads

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

Filesize
64KB

MD5
9f5b8d966782ff97de61f49dc546aa3f

SHA1
d42aff552d4c575b6d3dba6e728e5669c1c554d8

SHA256
5806f1aebfa3fa8d1394b350cda83e72343899e1a6e65634ebc1c2bbdbd3ab0e

SHA512
55b5f3cd680b1eda530d51337c8eeb13be761f34976a5d8e8d2c000670d4908e8933ff8cf6e5a1981663920fdbdf67d587fa8d9c8c343846e35f62111bbdba42

Download Submit
memory/3424-307-0x0000000004790000-0x00000000047BA000-memory.dmp

Filesize
168KB

Download