491b6ea9d2d7511550e466a06647dd1316d6cb28c0aec085f34aeff879f82f23

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 12:41

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General

Target

6f46e1a53675297366cb98a6154228f7.pdf
Size

89KB
MD5

6f46e1a53675297366cb98a6154228f7
SHA1

503f84ac8ec0ddcd0e19256d5dc386d727f7566b
SHA256

491b6ea9d2d7511550e466a06647dd1316d6cb28c0aec085f34aeff879f82f23
SHA512

5dc291485d9994ae2c76dfaadca427c4125e9f431021ab36291bb57cd3ee5b5f90c79f2ed6e99948d6d14f05603db406ef4b8926846b7b6794793df0f341b391
SSDEEP

1536:mqSjpqhulsE1w0ZQHTrGmN/PGS7g6NJcDK45QwZFy6q1wWkNpOPzfiDWWyWGDI5+:HKpmP0mHHrZGS7g6YD95Qwq6q1FPzfiu

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3408	AcroRd32.exe
3408	AcroRd32.exe
3408	AcroRd32.exe
3408	AcroRd32.exe
3408	AcroRd32.exe
3408	AcroRd32.exe
3408	AcroRd32.exe
3408	AcroRd32.exe
3408	AcroRd32.exe
3408	AcroRd32.exe
3408	AcroRd32.exe
3408	AcroRd32.exe
3408	AcroRd32.exe
3408	AcroRd32.exe
3408	AcroRd32.exe
3408	AcroRd32.exe
3408	AcroRd32.exe
3408	AcroRd32.exe
3408	AcroRd32.exe
3408	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3408	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3408	AcroRd32.exe
3408	AcroRd32.exe
3408	AcroRd32.exe
3408	AcroRd32.exe
3408	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3408 wrote to memory of 1600	3408	AcroRd32.exe	93
PID 3408 wrote to memory of 1600	3408	AcroRd32.exe	93
PID 3408 wrote to memory of 1600	3408	AcroRd32.exe	93
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1380	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 1584	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 1584	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 1584	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 1584	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 1584	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 1584	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 1584	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 1584	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 1584	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 1584	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 1584	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 1584	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 1584	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 1584	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 1584	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 1584	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 1584	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 1584	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 1584	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 1584	1600	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\6f46e1a53675297366cb98a6154228f7.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:3408
- 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:1600
- - 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=9B04E7037A70F3219C68E89A58348442 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1380
- - 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=0D9E9F54AADAE3AF1432EB177E50939E --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=0D9E9F54AADAE3AF1432EB177E50939E --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1584
- - 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=197A78FC6BA12FCD7D0C479236CC3B61 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5056
- - 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=5813EDE49DD9C4704671B0D739A8C84E --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:856
- - 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=3B4887EAE3626220ABADB9AEF415673D --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=3B4887EAE3626220ABADB9AEF415673D --renderer-client-id=6 --mojo-platform-channel-handle=1864 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5112
- - 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=8B4EC195DAC7FF2DD376868F6B816E60 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:716

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4764

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
a2e0fb00d2fa2ac001ca05e998587af0

SHA1
480079cb83f2bd7d18e2065e6196731a8ee593c3

SHA256
0d5d05b220d1e05ee8ec07dc12d27308da0168ae2d966260f20c67bc324e35c1

SHA512
b9a20fa183ff9b39ff2c743525f7ce2f945e954d04c2465ae53275e809d33e43d8a5122b155869d6ca2ee7a11c473d86de7bdb622c27ad139df493b1aef388e9

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