334e45efe46e92cd191ea0d53bb8ff072b694045e507bacc6fee28d8337d4861

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 12:49

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General

Target

36b9795974af095030c1554fcf2ffdc2.pdf
Size

82KB
MD5

36b9795974af095030c1554fcf2ffdc2
SHA1

9a9a28299d7f8a0f1fab4a830dd0fa3107774d00
SHA256

334e45efe46e92cd191ea0d53bb8ff072b694045e507bacc6fee28d8337d4861
SHA512

f1c19c17d3c31b6445f0c01c509c2a2b5af89a742ab0d7a8c47e703a83a47ac1d2ad64ab1a8e41f854149c97e360b178fc5499678b54590d15e26009398e4744
SSDEEP

1536:qKlbvSKmkwHWAWi4d7Pb3SlahldvVym2/NjvXUly47lG3r8fHY348Pa8M42eMB:v3mkw27PD3IahldNSNqy47mYPYlPrlA

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
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1680	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 1548	1680	AcroRd32.exe	91
PID 1680 wrote to memory of 1548	1680	AcroRd32.exe	91
PID 1680 wrote to memory of 1548	1680	AcroRd32.exe	91
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2144	1548	RdrCEF.exe	92
PID 1548 wrote to memory of 2040	1548	RdrCEF.exe	93
PID 1548 wrote to memory of 2040	1548	RdrCEF.exe	93
PID 1548 wrote to memory of 2040	1548	RdrCEF.exe	93
PID 1548 wrote to memory of 2040	1548	RdrCEF.exe	93
PID 1548 wrote to memory of 2040	1548	RdrCEF.exe	93
PID 1548 wrote to memory of 2040	1548	RdrCEF.exe	93
PID 1548 wrote to memory of 2040	1548	RdrCEF.exe	93
PID 1548 wrote to memory of 2040	1548	RdrCEF.exe	93
PID 1548 wrote to memory of 2040	1548	RdrCEF.exe	93
PID 1548 wrote to memory of 2040	1548	RdrCEF.exe	93
PID 1548 wrote to memory of 2040	1548	RdrCEF.exe	93
PID 1548 wrote to memory of 2040	1548	RdrCEF.exe	93
PID 1548 wrote to memory of 2040	1548	RdrCEF.exe	93
PID 1548 wrote to memory of 2040	1548	RdrCEF.exe	93
PID 1548 wrote to memory of 2040	1548	RdrCEF.exe	93
PID 1548 wrote to memory of 2040	1548	RdrCEF.exe	93
PID 1548 wrote to memory of 2040	1548	RdrCEF.exe	93
PID 1548 wrote to memory of 2040	1548	RdrCEF.exe	93
PID 1548 wrote to memory of 2040	1548	RdrCEF.exe	93
PID 1548 wrote to memory of 2040	1548	RdrCEF.exe	93

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\36b9795974af095030c1554fcf2ffdc2.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:1680
- 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:1548
- - 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=ABC139C2874E003A3C255F3468EE98EC --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2144
- - 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=8520CFAA9978FC82D50132768D241C76 --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=8520CFAA9978FC82D50132768D241C76 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2040
- - 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=0F21B9E31FB7D459A59584DB39B06512 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3244
- - 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=A7F6598E1C432860C7A0776D9FF5BD0E --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=A7F6598E1C432860C7A0776D9FF5BD0E --renderer-client-id=5 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1436
- - 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=372A471D9426D9F19C0E797B68F40FB9 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4992
- - 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=B04F47E7A748710F2EA2DBFEFD467B11 --mojo-platform-channel-handle=2364 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3524

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
981e0dc6b2722d989fc9df01b9a31846

SHA1
722c879ec8513f83933647d83818b258ac58df46

SHA256
d2ee48bdd816b5ef2a8f2dfe20c55d22cc2c413a142e80440b31b1de78006b4c

SHA512
45e26050cc1c066895fc10466d34923e0fe79d0f7f61cf7b728cee079bb67d79dd5f9a4a72f644ead03aeb7f61b42a14a4dfe4085af6be112e9612d226164773

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