e36c59c03ea7a0b346c3099967d3a33555154f26b988a9292c1187c41056b7df

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 22:56

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General

Target

e36c59c03ea7a0b346c3099967d3a33555154f26b988a9292c1187c41056b7df.pdf
Size

5.9MB
MD5

58a8712ae18399644d8aaa95848d41fa
SHA1

c9a075aef503eef837731500402a90eb9591cb48
SHA256

e36c59c03ea7a0b346c3099967d3a33555154f26b988a9292c1187c41056b7df
SHA512

033d5c9f3fa4f8283f754e502b3082a08d64d5a5771bc9063a3d7403a5efe86ef695cbd5abe46bdeb327fb897b2a2467126eef4d512983bc3f1aac5447db2461
SSDEEP

98304:5WZ+cEtJ8axK5iOj6J0U/3TjG4u1Sw3bq4TttF8ufwu:oIJ8k24u1557uBu

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-1-5-21-1414748551-1520717498-2956787782-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3516	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3516 wrote to memory of 1808	3516	AcroRd32.exe	92
PID 3516 wrote to memory of 1808	3516	AcroRd32.exe	92
PID 3516 wrote to memory of 1808	3516	AcroRd32.exe	92
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 820	1808	RdrCEF.exe	93
PID 1808 wrote to memory of 1676	1808	RdrCEF.exe	94
PID 1808 wrote to memory of 1676	1808	RdrCEF.exe	94
PID 1808 wrote to memory of 1676	1808	RdrCEF.exe	94
PID 1808 wrote to memory of 1676	1808	RdrCEF.exe	94
PID 1808 wrote to memory of 1676	1808	RdrCEF.exe	94
PID 1808 wrote to memory of 1676	1808	RdrCEF.exe	94
PID 1808 wrote to memory of 1676	1808	RdrCEF.exe	94
PID 1808 wrote to memory of 1676	1808	RdrCEF.exe	94
PID 1808 wrote to memory of 1676	1808	RdrCEF.exe	94
PID 1808 wrote to memory of 1676	1808	RdrCEF.exe	94
PID 1808 wrote to memory of 1676	1808	RdrCEF.exe	94
PID 1808 wrote to memory of 1676	1808	RdrCEF.exe	94
PID 1808 wrote to memory of 1676	1808	RdrCEF.exe	94
PID 1808 wrote to memory of 1676	1808	RdrCEF.exe	94
PID 1808 wrote to memory of 1676	1808	RdrCEF.exe	94
PID 1808 wrote to memory of 1676	1808	RdrCEF.exe	94
PID 1808 wrote to memory of 1676	1808	RdrCEF.exe	94
PID 1808 wrote to memory of 1676	1808	RdrCEF.exe	94
PID 1808 wrote to memory of 1676	1808	RdrCEF.exe	94
PID 1808 wrote to memory of 1676	1808	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\e36c59c03ea7a0b346c3099967d3a33555154f26b988a9292c1187c41056b7df.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:3516
- 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:1808
- - 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=7271828FF4FC942304F083F8459971C6 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:820
- - 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=410DD9591801CB684A77F3B1844D9143 --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=410DD9591801CB684A77F3B1844D9143 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1676
- - 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=70FC13DDE0F6656455A11B0997086133 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4928
- - 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=89FF4858EF7891E3682B322301B908A1 --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=89FF4858EF7891E3682B322301B908A1 --renderer-client-id=5 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4708
- - 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=8B00F1C968F24ED9EE751D99BCBEFC39 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4148
- - 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=C936FA5DB9FEBB55B10A0D73A0C900B1 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2004

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:636

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
5b340a6f73d3cb0857217940947440f0

SHA1
6490bdbd39852fa90591c04206c7ca139169da40

SHA256
8d7cf15cdd257be7fbc27fdf9304b24c6906326f6dc850adb143d539c8c0db67

SHA512
03f3abbdaa1b82fd625dc7297a606e3edbb29c546b76a2631c24db5bd416ef291afee5ae7fcb4f5ad5db91784b6e39925e6be06bd7065f753d606bac094b313e

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