fca7fd78bfbcf79c4c055acbf2b0b62886ac299d7f4e63351f87a19f53a170c6

Analysis

max time kernel
141s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2023 14:06

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General

Target

b6af234065fc8876310cb56b6080f1b4.pdf
Size

68KB
MD5

b6af234065fc8876310cb56b6080f1b4
SHA1

4b0cd721164a1e889440c33baa20219619abaecb
SHA256

fca7fd78bfbcf79c4c055acbf2b0b62886ac299d7f4e63351f87a19f53a170c6
SHA512

01c3ee9aef74f0b281cfac00d31d037aa63d89c577fbc72d27420d3e929de07dd3126dc6b0abf14af25e422a3b0238f2fbd526c6bdb1cace971c830827107988
SSDEEP

1536:J93FRNOxprtqO/my+glfkc2mlob9UaYyFFuSyZ2PVyTh+/Riy3tSq0:/jNOxaKmalfk3mlS3fFuSyZ2P0sZt0

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
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5028	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5028 wrote to memory of 1104	5028	AcroRd32.exe	90
PID 5028 wrote to memory of 1104	5028	AcroRd32.exe	90
PID 5028 wrote to memory of 1104	5028	AcroRd32.exe	90
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 5096	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4796	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 4796	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 4796	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 4796	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 4796	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 4796	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 4796	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 4796	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 4796	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 4796	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 4796	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 4796	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 4796	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 4796	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 4796	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 4796	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 4796	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 4796	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 4796	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 4796	1104	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\b6af234065fc8876310cb56b6080f1b4.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:5028
- 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:1104
- - 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=4B8E564000047B4AA8E87003D8916406 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5096
- - 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=5084AE83EB03706D64DF630417AC6DA8 --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=5084AE83EB03706D64DF630417AC6DA8 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4796
- - 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=E041BA51041A4AFF38FA62BBAB82A3BD --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2424
- - 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=140C43E38E9CFFE1A2FAAC4CAD431F55 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4284
- - 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=3019412B1E1CB4E345C200AD8F2653F2 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4040
- - 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=920DC2B93540D5F6B9A2A64CA7A5AF3B --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=920DC2B93540D5F6B9A2A64CA7A5AF3B --renderer-client-id=7 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1668

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4196

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
6a29c469a35afa144e255ddbfd2bcb91

SHA1
e83dd00cd2a089c3d6e449788a3398d6346079a0

SHA256
54692f842ae7221236eb8136923dab673fc5c796ed9862dcfc3aee2c3ce4ae14

SHA512
808953acd58b45a11bb18b6d9ba4ed3d25ebab935c2b111ae9442e76f67c5b52f8e3ac47ceec8d02fb385827000bfcdbb8f231095930e54607401ee151ccfc7f

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