6c4381894e3f198b0c0b15604736edff1347b9b52488db56473dd6609d779705

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 12:38

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General

Target

18c40eb445a26f24c291d60cdc2dc1a5.pdf
Size

85KB
MD5

18c40eb445a26f24c291d60cdc2dc1a5
SHA1

312a50af0e17a7f8e474ebda1d373f639ba7a4a7
SHA256

6c4381894e3f198b0c0b15604736edff1347b9b52488db56473dd6609d779705
SHA512

6517a8fe919985dac73ee25f9ce888680ad2efd4c0a675c225a1e2a22b4739dc1d7af3f8f1e91e1c56c00125a3ec0ff3a65c25c7fbdc64c65d666187006a9c9e
SSDEEP

1536:J8CWurL2X13a5JZ9wJ09jNxgJrMa+VdWHpOviyGa6WAY1iGn+lN:DrqXo1B9xKJrM7Jv7Ga64+

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4980	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4980 wrote to memory of 4764	4980	AcroRd32.exe	93
PID 4980 wrote to memory of 4764	4980	AcroRd32.exe	93
PID 4980 wrote to memory of 4764	4980	AcroRd32.exe	93
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 740	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 60	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 60	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 60	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 60	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 60	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 60	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 60	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 60	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 60	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 60	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 60	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 60	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 60	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 60	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 60	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 60	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 60	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 60	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 60	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 60	4764	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\18c40eb445a26f24c291d60cdc2dc1a5.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:4980
- 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:4764
- - 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=7121C6CE7688E7561D6ED7DCA7F2D7B6 --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=7121C6CE7688E7561D6ED7DCA7F2D7B6 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:60
- - 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=E540354AEA75AEC9A4E3B926E7B23306 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:740
- - 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=F50BB0FEFDA1058C930A755048AAF3F1 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3988
- - 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=0A98986071565E3A8C7ED8686F328A0A --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4256
- - 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=830E5798B7E0633B9663A3B9F9A88AC2 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3176
- - 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=0B1881808C1063AE81910F07B3ACC44D --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=0B1881808C1063AE81910F07B3ACC44D --renderer-client-id=8 --mojo-platform-channel-handle=2612 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1416

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:396

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s UsoSvc
1⤵
PID:4256

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
5fce50a0a4e86015d2c4144729d9c799

SHA1
aec3bdbf8df088f85ddeec7b473451d19218d436

SHA256
58bbbb841fa048840dcbd66ced4e7b2f16965f3deeb723e0392f626016545c65

SHA512
843c531b316303b171bb29d15d19330a63c2e3c18ddd5c8ab00cb5696ba57e6b6860aeef28f4a49b18491ad1a967b710e5b8c2dd811d4c016e09e92054964084

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