b6118e07fce3a091fbd7ceff7f951b0b2e5e9d5db72a4cea84fd8a26e909e937

Analysis

max time kernel
16s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
28/12/2023, 23:04

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General

Target

feb8f6383d2c521fe0c3aff7c32ee77c.pdf
Size

44KB
MD5

feb8f6383d2c521fe0c3aff7c32ee77c
SHA1

c8bc356a4bb4b9086e6a469eae5a909c87c583d1
SHA256

b6118e07fce3a091fbd7ceff7f951b0b2e5e9d5db72a4cea84fd8a26e909e937
SHA512

8927028ff493fea8797f99525b0e4bead24c592204d8e900fdeb1253b8e4e24f41fda111238d4cfedb078665eaa05764dd1dac3abd698e60aa622bf6bd1d1ec5
SSDEEP

768:PgGzpDifXHyZ0uYEv0LsJv/rUGCG3RqtAs0HuQM:4GFuzE0Ls9FCG3RgAs0OQM

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3704	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3704 wrote to memory of 4836	3704	AcroRd32.exe	92
PID 3704 wrote to memory of 4836	3704	AcroRd32.exe	92
PID 3704 wrote to memory of 4836	3704	AcroRd32.exe	92
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 868	4836	RdrCEF.exe	94
PID 4836 wrote to memory of 2140	4836	RdrCEF.exe	93
PID 4836 wrote to memory of 2140	4836	RdrCEF.exe	93
PID 4836 wrote to memory of 2140	4836	RdrCEF.exe	93
PID 4836 wrote to memory of 2140	4836	RdrCEF.exe	93
PID 4836 wrote to memory of 2140	4836	RdrCEF.exe	93
PID 4836 wrote to memory of 2140	4836	RdrCEF.exe	93
PID 4836 wrote to memory of 2140	4836	RdrCEF.exe	93
PID 4836 wrote to memory of 2140	4836	RdrCEF.exe	93
PID 4836 wrote to memory of 2140	4836	RdrCEF.exe	93
PID 4836 wrote to memory of 2140	4836	RdrCEF.exe	93
PID 4836 wrote to memory of 2140	4836	RdrCEF.exe	93
PID 4836 wrote to memory of 2140	4836	RdrCEF.exe	93
PID 4836 wrote to memory of 2140	4836	RdrCEF.exe	93
PID 4836 wrote to memory of 2140	4836	RdrCEF.exe	93
PID 4836 wrote to memory of 2140	4836	RdrCEF.exe	93
PID 4836 wrote to memory of 2140	4836	RdrCEF.exe	93
PID 4836 wrote to memory of 2140	4836	RdrCEF.exe	93
PID 4836 wrote to memory of 2140	4836	RdrCEF.exe	93
PID 4836 wrote to memory of 2140	4836	RdrCEF.exe	93
PID 4836 wrote to memory of 2140	4836	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\feb8f6383d2c521fe0c3aff7c32ee77c.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:3704
- 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:4836
- - 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=FC583B386E37B8246244B00285C44DCD --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=FC583B386E37B8246244B00285C44DCD --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2140
- - 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=8CF8C146EDFB234C013CF56D0090E0A6 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:868
- - 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=42A8C52E53BE52F1EAF1757D24B288CE --mojo-platform-channel-handle=2296 --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=3F4532A50B1934FC53BCE57D9B217FE6 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2892
- - 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=61F0CB73989DBE63F4D1E4A2037A2154 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2532
- - 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=3054680B87CDAED02D40B45EB8942696 --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=3054680B87CDAED02D40B45EB8942696 --renderer-client-id=7 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1052

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2716

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
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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