0e76c0237482f861c620e5f230df1a213571064202c0f9ba1c7bb6b50471237b

Analysis

max time kernel
141s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
15/06/2023, 06:23

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General

Target

0e76c0237482f861c620e5f230df1a213571064202c0f9ba1c7bb6b50471237b.pdf
Size

290KB
MD5

f09a58d78f28ad3aca6afb8a4c539b6d
SHA1

9d1a1f0352e4072da842200e19012e5b996b9e45
SHA256

0e76c0237482f861c620e5f230df1a213571064202c0f9ba1c7bb6b50471237b
SHA512

b4fa8fbc6bad44b4034519e2f53f9b8abb43027a50d440a861af1d4ef7159db6fa0231270f3b8a0c4e0189eb4ce4ecb894ce217002ac6d6466d393d7a63760f3
SSDEEP

6144:GNNUDYzu4ZnOuQVHMI4h+gAJnteYJhCsaxPzkQfp7:G/UubVKyI4hdAJt9+saJ7h

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-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3988	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3988 wrote to memory of 4776	3988	AcroRd32.exe	79
PID 3988 wrote to memory of 4776	3988	AcroRd32.exe	79
PID 3988 wrote to memory of 4776	3988	AcroRd32.exe	79
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 5112	4776	RdrCEF.exe	80
PID 4776 wrote to memory of 4124	4776	RdrCEF.exe	81
PID 4776 wrote to memory of 4124	4776	RdrCEF.exe	81
PID 4776 wrote to memory of 4124	4776	RdrCEF.exe	81
PID 4776 wrote to memory of 4124	4776	RdrCEF.exe	81
PID 4776 wrote to memory of 4124	4776	RdrCEF.exe	81
PID 4776 wrote to memory of 4124	4776	RdrCEF.exe	81
PID 4776 wrote to memory of 4124	4776	RdrCEF.exe	81
PID 4776 wrote to memory of 4124	4776	RdrCEF.exe	81
PID 4776 wrote to memory of 4124	4776	RdrCEF.exe	81
PID 4776 wrote to memory of 4124	4776	RdrCEF.exe	81
PID 4776 wrote to memory of 4124	4776	RdrCEF.exe	81
PID 4776 wrote to memory of 4124	4776	RdrCEF.exe	81
PID 4776 wrote to memory of 4124	4776	RdrCEF.exe	81
PID 4776 wrote to memory of 4124	4776	RdrCEF.exe	81
PID 4776 wrote to memory of 4124	4776	RdrCEF.exe	81
PID 4776 wrote to memory of 4124	4776	RdrCEF.exe	81
PID 4776 wrote to memory of 4124	4776	RdrCEF.exe	81
PID 4776 wrote to memory of 4124	4776	RdrCEF.exe	81
PID 4776 wrote to memory of 4124	4776	RdrCEF.exe	81
PID 4776 wrote to memory of 4124	4776	RdrCEF.exe	81

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\0e76c0237482f861c620e5f230df1a213571064202c0f9ba1c7bb6b50471237b.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:3988
- 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:4776
- - 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=03D8A2930281283D51FC9B7B0B86B6FB --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5112
- - 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=78A3394D39AADE3257B2E80DA3C5849C --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=2 --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=78A3394D39AADE3257B2E80DA3C5849C --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4124
- - 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=1D2B3B10D7ACD60B5EE219EDBB5D1A79 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:388
- - 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=08E6A0E2612CD5BA6CFB3CDD71EDB77F --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=2 --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=08E6A0E2612CD5BA6CFB3CDD71EDB77F --renderer-client-id=5 --mojo-platform-channel-handle=1884 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4340
- - 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=0713A14B5CB7229ADDFC2BEC0B316080 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1876
- - 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=E120FA9D65F6F9DF119D04051FE6F20E --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1824

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4808

Network

MITRE ATT&CK Enterprise v6

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
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
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
6cc620e582b8021db10a6b4558d6b7bf

SHA1
297784c4157aed6cf258f2cb0298ee02a3a70fdc

SHA256
35f0785a800a741f29e802a826699e3cbe5742831bbe1843ced865d8169bc3ff

SHA512
e7a23a3c99f2edcad43a1e243f17e5e3a52feb49a0efacac0b9dd69f8d3cdae54233fb826adabd51c7e67968d9aea83ec4f19eaf6c67ba3de4d5e04e833df748

Download Submit
memory/3988-159-0x0000000009210000-0x0000000009231000-memory.dmp

Filesize
132KB

Download