ee78a196a35a6b31901f6265ee1b45c07becba7f72261fcafa56db9a796f63ce

Analysis

max time kernel
144s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2024, 14:02

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General

Target

b793f336e47b2edc5cf6aea89c6e3a37.pdf
Size

78KB
MD5

b793f336e47b2edc5cf6aea89c6e3a37
SHA1

445841fe21301e6ea47499ed7a1578110e2a7179
SHA256

ee78a196a35a6b31901f6265ee1b45c07becba7f72261fcafa56db9a796f63ce
SHA512

3d0f4d13527d64d51edcfd1d056ab96c46de87cd7e5c9a55167e318a1af6a161815110a86249e58e14cd37bef34f037d78de6d33d64604429304e272a90d7fcb
SSDEEP

1536:n+u1Af1lfo0mW1QVmpd2cjc+2JJ+WkNpOPzMqOiWokmoRt8D:6f1l5km6v3zjPz/O/moRm

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-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1056	AcroRd32.exe
1056	AcroRd32.exe
1056	AcroRd32.exe
1056	AcroRd32.exe
1056	AcroRd32.exe
1056	AcroRd32.exe
1056	AcroRd32.exe
1056	AcroRd32.exe
1056	AcroRd32.exe
1056	AcroRd32.exe
1056	AcroRd32.exe
1056	AcroRd32.exe
1056	AcroRd32.exe
1056	AcroRd32.exe
1056	AcroRd32.exe
1056	AcroRd32.exe
1056	AcroRd32.exe
1056	AcroRd32.exe
1056	AcroRd32.exe
1056	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1056	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1056	AcroRd32.exe
1056	AcroRd32.exe
1056	AcroRd32.exe
1056	AcroRd32.exe
1056	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1056 wrote to memory of 1736	1056	AcroRd32.exe	94
PID 1056 wrote to memory of 1736	1056	AcroRd32.exe	94
PID 1056 wrote to memory of 1736	1056	AcroRd32.exe	94
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 3004	1736	RdrCEF.exe	95
PID 1736 wrote to memory of 1636	1736	RdrCEF.exe	96
PID 1736 wrote to memory of 1636	1736	RdrCEF.exe	96
PID 1736 wrote to memory of 1636	1736	RdrCEF.exe	96
PID 1736 wrote to memory of 1636	1736	RdrCEF.exe	96
PID 1736 wrote to memory of 1636	1736	RdrCEF.exe	96
PID 1736 wrote to memory of 1636	1736	RdrCEF.exe	96
PID 1736 wrote to memory of 1636	1736	RdrCEF.exe	96
PID 1736 wrote to memory of 1636	1736	RdrCEF.exe	96
PID 1736 wrote to memory of 1636	1736	RdrCEF.exe	96
PID 1736 wrote to memory of 1636	1736	RdrCEF.exe	96
PID 1736 wrote to memory of 1636	1736	RdrCEF.exe	96
PID 1736 wrote to memory of 1636	1736	RdrCEF.exe	96
PID 1736 wrote to memory of 1636	1736	RdrCEF.exe	96
PID 1736 wrote to memory of 1636	1736	RdrCEF.exe	96
PID 1736 wrote to memory of 1636	1736	RdrCEF.exe	96
PID 1736 wrote to memory of 1636	1736	RdrCEF.exe	96
PID 1736 wrote to memory of 1636	1736	RdrCEF.exe	96
PID 1736 wrote to memory of 1636	1736	RdrCEF.exe	96
PID 1736 wrote to memory of 1636	1736	RdrCEF.exe	96
PID 1736 wrote to memory of 1636	1736	RdrCEF.exe	96

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\b793f336e47b2edc5cf6aea89c6e3a37.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:1056
- 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:1736
- - 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=BF16C68DB816E0DC69177E766DB26107 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3004
- - 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=24DE98FC19295C96A9EA7B0A11AC9ED9 --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=24DE98FC19295C96A9EA7B0A11AC9ED9 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1636
- - 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=DA4B7C475E77B6437A60F4968BA09E6B --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4016
- - 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=3724C21CE36A0056DC12FE4ED8197925 --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=3724C21CE36A0056DC12FE4ED8197925 --renderer-client-id=5 --mojo-platform-channel-handle=1864 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5000
- - 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=1221DD60171358DED07127FEA224DFB9 --mojo-platform-channel-handle=1892 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4192
- - 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=9716C6A8AD4259A1107228E71D0C3265 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4072

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:552

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
60674806c91bd263bfb04abc3e45822d

SHA1
0e80093510e8b7a4f09be4988cae432c4b691156

SHA256
8b384928d8e1297e07462ea3b24f15c313018b937f923209df8cb7857e744114

SHA512
420998c6526dbb978b5c42aa6cb9ac0eb217f91e26699618220c4344da3f03f9726c1e18b0373651053895e01fa8f04b0c7187467a2e76981c00285b5f5b8516

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