a3b31c7a5c54ca4149683d9b69daf80947da1737ef3a1d7a63a5a839a48af365

Analysis

max time kernel
142s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 22:52

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General

Target

1f089a71da23a264f5a951666ed1cc0a.pdf
Size

87KB
MD5

1f089a71da23a264f5a951666ed1cc0a
SHA1

505b80a4c3cde069173d312e3edb6828dbb03a98
SHA256

a3b31c7a5c54ca4149683d9b69daf80947da1737ef3a1d7a63a5a839a48af365
SHA512

5fe5ae2803ef8e493ffd82015a17a4f4a0af9d53f7f694f62bc2d17c4466bf50a1f84d9b215462aa4d7823a2e64fc355b1026eeafa88a7d153ef165ba6769cb5
SSDEEP

1536:rm06HcxArgwyyLsl18JH/ZdStmT+0kGhS6zodi6r9gsyWGpOKCWW03goiIhCd1AC:9qhElGRDStw+Hz6zYi6WqK003goiqCdF

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1400	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1400 wrote to memory of 4492	1400	AcroRd32.exe	93
PID 1400 wrote to memory of 4492	1400	AcroRd32.exe	93
PID 1400 wrote to memory of 4492	1400	AcroRd32.exe	93
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 3904	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 5100	4492	RdrCEF.exe	94
PID 4492 wrote to memory of 5100	4492	RdrCEF.exe	94
PID 4492 wrote to memory of 5100	4492	RdrCEF.exe	94
PID 4492 wrote to memory of 5100	4492	RdrCEF.exe	94
PID 4492 wrote to memory of 5100	4492	RdrCEF.exe	94
PID 4492 wrote to memory of 5100	4492	RdrCEF.exe	94
PID 4492 wrote to memory of 5100	4492	RdrCEF.exe	94
PID 4492 wrote to memory of 5100	4492	RdrCEF.exe	94
PID 4492 wrote to memory of 5100	4492	RdrCEF.exe	94
PID 4492 wrote to memory of 5100	4492	RdrCEF.exe	94
PID 4492 wrote to memory of 5100	4492	RdrCEF.exe	94
PID 4492 wrote to memory of 5100	4492	RdrCEF.exe	94
PID 4492 wrote to memory of 5100	4492	RdrCEF.exe	94
PID 4492 wrote to memory of 5100	4492	RdrCEF.exe	94
PID 4492 wrote to memory of 5100	4492	RdrCEF.exe	94
PID 4492 wrote to memory of 5100	4492	RdrCEF.exe	94
PID 4492 wrote to memory of 5100	4492	RdrCEF.exe	94
PID 4492 wrote to memory of 5100	4492	RdrCEF.exe	94
PID 4492 wrote to memory of 5100	4492	RdrCEF.exe	94
PID 4492 wrote to memory of 5100	4492	RdrCEF.exe	94

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\1f089a71da23a264f5a951666ed1cc0a.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:1400
- 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:4492
- - 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=59B3B0CDA2D3CF91732B701443D38072 --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=59B3B0CDA2D3CF91732B701443D38072 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5100
- - 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=71BC42DFC50DC540540467B6783B7014 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3904
- - 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=5EBE643BBBAAF5831A7CEAC68672683C --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3416
- - 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=D7D8A608F8C430E6835DB1E6691151CA --mojo-platform-channel-handle=2420 --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=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=13B885B0A18F73BBCB0F10CE735D5713 --mojo-platform-channel-handle=2028 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3404
- - 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=238FDA467121E1EB62D5337F8575E03B --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=238FDA467121E1EB62D5337F8575E03B --renderer-client-id=6 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2200

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1004

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
a8cfee6d533c8ead51d6b856d80346e7

SHA1
fdf8cd24584eae5604072be228d4a8bff952f0a3

SHA256
ea2563cd1f0103f5f50b844d05a8fe58f7567181b37cddd10494da829d126ede

SHA512
5ddd47705bb538aff3daebd9e6990fa5ae2da3fd68d0d99b2af3b50c3499000fcaa5e98d45ce04c769ce3f1bd1cc1cbc0fc753a09ba29723e7dd8d1fe629c943

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