57e2c70708da82f228a39c918d7812b56f831519251a03f11ecb3e269dd417c6

Analysis

max time kernel
142s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
06-01-2024 18:42

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General

Target

46edcebe820f7da319b35e834a6e70de.pdf
Size

41KB
MD5

46edcebe820f7da319b35e834a6e70de
SHA1

23b4163d31f5bcbe2a3b3314f8edc1fc69efd471
SHA256

57e2c70708da82f228a39c918d7812b56f831519251a03f11ecb3e269dd417c6
SHA512

d83f1009dbefc1cd8519e79f7db8d19373b2f4bf246d6d4ffadb76fb745052606fab83c698f6cb1021cc0efbd19a9a1edfc2e87759f3ebd53ee1a311a19ff63a
SSDEEP

768:XZieQu9scTvfL2DJw+XXN959YfgGLeL7hfFLpyOXAl6NtVVisc1lBi2B3ySvsR:XZi7u9scn21X9959HDL7hfryOQvb3RER

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4336 wrote to memory of 4172	4336	AcroRd32.exe	92
PID 4336 wrote to memory of 4172	4336	AcroRd32.exe	92
PID 4336 wrote to memory of 4172	4336	AcroRd32.exe	92
PID 4336 wrote to memory of 3340	4336	AcroRd32.exe	96
PID 4336 wrote to memory of 3340	4336	AcroRd32.exe	96
PID 4336 wrote to memory of 3340	4336	AcroRd32.exe	96
PID 4336 wrote to memory of 3968	4336	AcroRd32.exe	98
PID 4336 wrote to memory of 3968	4336	AcroRd32.exe	98
PID 4336 wrote to memory of 3968	4336	AcroRd32.exe	98
PID 4336 wrote to memory of 8	4336	AcroRd32.exe	101
PID 4336 wrote to memory of 8	4336	AcroRd32.exe	101
PID 4336 wrote to memory of 8	4336	AcroRd32.exe	101
PID 4336 wrote to memory of 4564	4336	AcroRd32.exe	103
PID 4336 wrote to memory of 4564	4336	AcroRd32.exe	103
PID 4336 wrote to memory of 4564	4336	AcroRd32.exe	103
PID 4336 wrote to memory of 1100	4336	AcroRd32.exe	107
PID 4336 wrote to memory of 1100	4336	AcroRd32.exe	107
PID 4336 wrote to memory of 1100	4336	AcroRd32.exe	107
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 3676	1100	RdrCEF.exe	108
PID 1100 wrote to memory of 1364	1100	RdrCEF.exe	109
PID 1100 wrote to memory of 1364	1100	RdrCEF.exe	109
PID 1100 wrote to memory of 1364	1100	RdrCEF.exe	109
PID 1100 wrote to memory of 1364	1100	RdrCEF.exe	109
PID 1100 wrote to memory of 1364	1100	RdrCEF.exe	109

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\46edcebe820f7da319b35e834a6e70de.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4336
- 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⤵
  PID:4172
- 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⤵
  PID:3340
- 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⤵
  PID:3968
- 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⤵
  PID:8
- 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⤵
  PID:4564
- 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:1100
- - 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=9BEFF5F12F1985061CEE17C0F84DD9F7 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3676
- - 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=9AF6BF4E918F921EAE755A44690B1D1B --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=9AF6BF4E918F921EAE755A44690B1D1B --renderer-client-id=2 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1364
- - 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=A8C011FCF63AA8788F2E86B290868DD3 --mojo-platform-channel-handle=2264 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4756
- - 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=FA10A3834C0967378112F14EDADD4AD1 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2512
- - 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=D90844A319060C9B8C8139F815063B35 --mojo-platform-channel-handle=2496 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3128

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:232

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
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

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
64KB

MD5
fc4ef206a6b0a8039852eee7725d2640

SHA1
0809467fb5439ea1c605e315cbd7cdc28f735212

SHA256
548076ab8f03a0a21eabdf4c7fe6daf1f8c875fbb01001636f22781766ab6d09

SHA512
692b4483fe3f09ff8e0c07747f1dfcbeba71e163c9bb59a6a49ec431fe7802a35e344bca105387ed9e57902164f2a327fc0106a672dbe3691032636aec7c0534

Download Submit