726ba3d86b8006a1aec07f2ec10dd837d6ddf3e456af217447e23b3bf0b124e7

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
25/12/2023, 23:29

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General

Target

434c850587a33d16ab223c8be8f30bac.pdf
Size

86KB
MD5

434c850587a33d16ab223c8be8f30bac
SHA1

9b333fce4c448398fdd68d347b9c4ee94b5e33f2
SHA256

726ba3d86b8006a1aec07f2ec10dd837d6ddf3e456af217447e23b3bf0b124e7
SHA512

5c0237c99e0b67160a9701f162075de223b85d29a548f7a17897358eeeb62ef93bddf10dce48eb0d473907cec15c281352485dc26177ac07e50c95fbf43626d7
SSDEEP

1536:q4XY4W4lycNHF2Gd5xzP6C77wdzmxW55t+Q6DXJ9RBY2p07kwk5JCBKWU+WmQSJH:QneHbTxT6C7EB8W55tLW9w2TwkCBZWm1

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
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4060	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4060 wrote to memory of 1104	4060	AcroRd32.exe	89
PID 4060 wrote to memory of 1104	4060	AcroRd32.exe	89
PID 4060 wrote to memory of 1104	4060	AcroRd32.exe	89
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 3520	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 1060	1104	RdrCEF.exe	90
PID 1104 wrote to memory of 1060	1104	RdrCEF.exe	90
PID 1104 wrote to memory of 1060	1104	RdrCEF.exe	90
PID 1104 wrote to memory of 1060	1104	RdrCEF.exe	90
PID 1104 wrote to memory of 1060	1104	RdrCEF.exe	90
PID 1104 wrote to memory of 1060	1104	RdrCEF.exe	90
PID 1104 wrote to memory of 1060	1104	RdrCEF.exe	90
PID 1104 wrote to memory of 1060	1104	RdrCEF.exe	90
PID 1104 wrote to memory of 1060	1104	RdrCEF.exe	90
PID 1104 wrote to memory of 1060	1104	RdrCEF.exe	90
PID 1104 wrote to memory of 1060	1104	RdrCEF.exe	90
PID 1104 wrote to memory of 1060	1104	RdrCEF.exe	90
PID 1104 wrote to memory of 1060	1104	RdrCEF.exe	90
PID 1104 wrote to memory of 1060	1104	RdrCEF.exe	90
PID 1104 wrote to memory of 1060	1104	RdrCEF.exe	90
PID 1104 wrote to memory of 1060	1104	RdrCEF.exe	90
PID 1104 wrote to memory of 1060	1104	RdrCEF.exe	90
PID 1104 wrote to memory of 1060	1104	RdrCEF.exe	90
PID 1104 wrote to memory of 1060	1104	RdrCEF.exe	90
PID 1104 wrote to memory of 1060	1104	RdrCEF.exe	90

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\434c850587a33d16ab223c8be8f30bac.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:4060
- 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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=C6F62369E7AD15097FCCB4BDA191D606 --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=C6F62369E7AD15097FCCB4BDA191D606 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1060
- - 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=D45EC444B7BFA145BC24033DA76558FC --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3520
- - 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=420D828D1C6E132E5D61A6EDB3153595 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4276
- - 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=80A7DCDD1F8BB3C2FEB79B53625A2948 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3012
- - 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=DA4BF3EC4FBCB6A0B7F4267A986FDE9A --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=DA4BF3EC4FBCB6A0B7F4267A986FDE9A --renderer-client-id=6 --mojo-platform-channel-handle=2016 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3740
- - 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=9BC76123F3E2EDE91CBB17968FD3D0EE --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4400

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3256

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
26KB

MD5
4dd38704332447ed283e43ccee1dfe18

SHA1
ed098c360945189981929b832dd3f3826b2c3b10

SHA256
385af1c99bdd994070fb91a2488edb26043c2ddd3844a45f9dc45aba934e9740

SHA512
ff59619aaaaccff0ce137e90d087fd447d0d380ce5c25b6bf2eee7e0ff7e332a692524f2cc3e1c6653f9fccb02ba2256469d3275d79eadcb73705f2ca5dac142

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
memory/4060-26-0x000000000C2B0000-0x000000000C300000-memory.dmp

Filesize
320KB

Download