383c1e4cbedd6af10c43754b0b95cc041895a29e4533996f673a2e7bffcee201

Analysis

max time kernel
142s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
12-07-2023 05:15

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General

Target

6266455.pdf
Size

101KB
MD5

fc2c0e146a865d1d8405a98b08db8c78
SHA1

2d08614faf0e963ba495db70003e5cecfc96f445
SHA256

383c1e4cbedd6af10c43754b0b95cc041895a29e4533996f673a2e7bffcee201
SHA512

38e24dc5cfb55f8923f032cd44049a481a3429fdb61e8a9b38ed3b3aedfd6a7a99ab7c320e37873e42fc6d798d329e546becc4a0cbe59b61469a8717aca9d754
SSDEEP

1536:azm0nUqm+zQgOd1Z4pvSUI6qmUoMt8CFF4TS9c2H1DXncxEmOe2cTIg56:pkUq0H0vSpDt8G4TS93ZSbTw

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-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4580	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4580 wrote to memory of 2120	4580	AcroRd32.exe	93
PID 4580 wrote to memory of 2120	4580	AcroRd32.exe	93
PID 4580 wrote to memory of 2120	4580	AcroRd32.exe	93
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 4944	2120	RdrCEF.exe	95
PID 2120 wrote to memory of 2632	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 2632	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 2632	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 2632	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 2632	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 2632	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 2632	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 2632	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 2632	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 2632	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 2632	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 2632	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 2632	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 2632	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 2632	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 2632	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 2632	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 2632	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 2632	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 2632	2120	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\6266455.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:4580
- 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:2120
- - 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=598577106D1A50F32EC64B4FA584212C --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4944
- - 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=7AE9068B2C397590B5C60B1D80002E4C --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=2 --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=7AE9068B2C397590B5C60B1D80002E4C --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2632
- - 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=06FCDD68785865040245E844F2A365DB --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=2 --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=06FCDD68785865040245E844F2A365DB --renderer-client-id=4 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4840
- - 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=1737E035C7288D27323151227410259A --mojo-platform-channel-handle=2468 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4280
- - 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=A78B491A5CA2779651AAC8C2D6AC5879 --mojo-platform-channel-handle=1848 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2996
- - 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=2B2641FE1C5408D639B0EDE8C8D3F201 --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:672

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3068

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

Loading Replay Monitor...

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
238901e439c118291e37e0ebfd04a069

SHA1
daa203e0bf61f0a96e0e3e4bcd0b9d0b11ee5792

SHA256
44be7b3dd2203fc747e7ed329090bb4265ce6c8d034dc5f3b0358e2740a9c508

SHA512
84773f37a0005b20bcdcd5358266bff2e46a691964dacca1c3df936f830f62ee8cbe6ee91cbc4e4cdaf0f08c4e743090d65cbbe019a66e7bc2b48c984867e9f3

Download Submit