debb192fbb4a54c4e33669b8b200ee62460d2637189d7c4fd18056f9699f1f2d

Analysis

max time kernel
143s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14/01/2024, 18:23

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General

Target

5b8817a4c32536019ab4c58c8fd7ba0c.pdf
Size

88KB
MD5

5b8817a4c32536019ab4c58c8fd7ba0c
SHA1

e1574d4becc538a9a5a710970a85e24430ddb0e4
SHA256

debb192fbb4a54c4e33669b8b200ee62460d2637189d7c4fd18056f9699f1f2d
SHA512

322427dbb544bd7875fdaeea701ee5d643911ce828284ae98bdf3788b1e1fe78bed4ba47eb42d95ed2260ad7672e1e90270443f8f05008bfe7e3f2c73fd2402b
SSDEEP

1536:hj8vl5khrTxwrnrV7LIZaytoiCzsP1WkNpOP+wKjfiHWIgFHHVn:98Nq/xwrVUwMoiComP+xficdx

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4240	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4240 wrote to memory of 4764	4240	AcroRd32.exe	93
PID 4240 wrote to memory of 4764	4240	AcroRd32.exe	93
PID 4240 wrote to memory of 4764	4240	AcroRd32.exe	93
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 1052	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 2780	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 2780	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 2780	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 2780	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 2780	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 2780	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 2780	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 2780	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 2780	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 2780	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 2780	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 2780	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 2780	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 2780	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 2780	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 2780	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 2780	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 2780	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 2780	4764	RdrCEF.exe	94
PID 4764 wrote to memory of 2780	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\5b8817a4c32536019ab4c58c8fd7ba0c.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:4240
- 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=CA0240300FAD04419BEFC1DF05BF87E7 --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=CA0240300FAD04419BEFC1DF05BF87E7 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2780
- - 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=0C51AE2D0D4413CDC96B41AB4D7F547F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1052
- - 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=EADA5350C331988D97D19E7DCA98CC09 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4380
- - 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=915DD813731A364EF1C547263EB91759 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1200
- - 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=BAB32326F8C5EEE1EC48EF023E5210FE --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4752
- - 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=D5EDD084CDD9B0D74C8AF1EDAC76438D --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=D5EDD084CDD9B0D74C8AF1EDAC76438D --renderer-client-id=7 --mojo-platform-channel-handle=2580 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3372

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1488

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
38ea6cd4e847c252e5b446d5c7d9ca5b

SHA1
7433ed7a75cd4498d50421719e73144235b8261f

SHA256
42a7416c5e5cc9d08c4637e3cd4ea60c817218aab5d55a3ae3caedec082417d6

SHA512
7e1a44cb3c753fc496c59995e334c1ac3b9a1921f389226fb61d546127e0daf4912dabecc85aac9904e4175cc613e72513f8833b5b74c3df9bdced167d2e851c

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