09aa72e93ea0a87b0fdff32017192eef8ba9d251c7a49161c2d5bfcd023626f4

Analysis

max time kernel
150s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10/03/2024, 09:20

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General

Target

be3e22523c1c17bff9aba6f0e42341cd.pdf
Size

59KB
MD5

be3e22523c1c17bff9aba6f0e42341cd
SHA1

af1d19d148ff7fa0b0436b37519cd43a192c325d
SHA256

09aa72e93ea0a87b0fdff32017192eef8ba9d251c7a49161c2d5bfcd023626f4
SHA512

653dfebe6b3d43e0742e66be322ca09a3395aeae3ccd0acc7bb39ec81ad38c6ffdc4f2839dd96a236fdd03e6856fba84e47dc3746202422aea33e5a73f0cc257
SSDEEP

1536:7gWSKIq1oL/jUOqnM5DvIPj8xf1OMAE6ykq4JtQRw/vfsi:hS1jUclxf10Bq4JK2vfsi

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-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4836 wrote to memory of 2480	4836	AcroRd32.exe	93
PID 4836 wrote to memory of 2480	4836	AcroRd32.exe	93
PID 4836 wrote to memory of 2480	4836	AcroRd32.exe	93
PID 4836 wrote to memory of 3028	4836	AcroRd32.exe	98
PID 4836 wrote to memory of 3028	4836	AcroRd32.exe	98
PID 4836 wrote to memory of 3028	4836	AcroRd32.exe	98
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 3212	2480	RdrCEF.exe	99
PID 2480 wrote to memory of 4332	2480	RdrCEF.exe	100
PID 2480 wrote to memory of 4332	2480	RdrCEF.exe	100
PID 2480 wrote to memory of 4332	2480	RdrCEF.exe	100
PID 2480 wrote to memory of 4332	2480	RdrCEF.exe	100
PID 2480 wrote to memory of 4332	2480	RdrCEF.exe	100
PID 2480 wrote to memory of 4332	2480	RdrCEF.exe	100
PID 2480 wrote to memory of 4332	2480	RdrCEF.exe	100
PID 2480 wrote to memory of 4332	2480	RdrCEF.exe	100
PID 2480 wrote to memory of 4332	2480	RdrCEF.exe	100
PID 2480 wrote to memory of 4332	2480	RdrCEF.exe	100
PID 2480 wrote to memory of 4332	2480	RdrCEF.exe	100
PID 2480 wrote to memory of 4332	2480	RdrCEF.exe	100
PID 2480 wrote to memory of 4332	2480	RdrCEF.exe	100
PID 2480 wrote to memory of 4332	2480	RdrCEF.exe	100
PID 2480 wrote to memory of 4332	2480	RdrCEF.exe	100

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\be3e22523c1c17bff9aba6f0e42341cd.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4836
- 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:2480
- - 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=6CFCAB73A33B558D17A8E35D02C871C7 --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=6CFCAB73A33B558D17A8E35D02C871C7 --renderer-client-id=2 --mojo-platform-channel-handle=1708 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3212
- - 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=A6DBA0D48C19FF2753CC425CDF449F89 --mojo-platform-channel-handle=1824 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4332
- - 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=883474095C2E69F8D8ABD2F64F1EBBB6 --mojo-platform-channel-handle=2268 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2356
- - 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=8166603CBCDAF68FE4523F66FCD0444C --mojo-platform-channel-handle=1764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1396
- - 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=974EBF1231064E81057146C8CF4598E9 --mojo-platform-channel-handle=2396 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3608
- - 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=65A657E5E0110A1D192B3B918A661FBC --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=65A657E5E0110A1D192B3B918A661FBC --renderer-client-id=8 --mojo-platform-channel-handle=1836 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2240
- 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:3028

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4012

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
8922ea91f98bd47591b321322755d814

SHA1
42096d00f662fb8daab341940ecb57e3b5fc9b64

SHA256
c988a4ad0f8b04a27d448a3e9b19b6ee8d81f5a3b93ca4795db8f122b38007bc

SHA512
35ee8669c4ff097bacaaa7b9ac73f253b12848072476b6740c45422b6f5b172bf7dbf3343bfda7623ee2672c67d6bc02fe0dd37c873e794feb973b32ab79242c

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
C:\Users\Admin\AppData\Local\Adobe\Acrobat\DC\SharedDataEvents

Filesize
12KB

MD5
7a8fd2ee827d042a70710c30329bf9af

SHA1
fe2c278b5d7e52de8bc32544b3e6914f91f63fe5

SHA256
385e0ec07769006aca5d5ebf14a3a257ed25fbe8e33dc69fd4db3eaa937c3a5c

SHA512
4977705d58415a508bf0896ddfa3a7dfe70465ccdc548c2937c68d0c335dca327258a9e8dba872645813a07b0f4b19f1e2f87411b9eab832c6c648d4ecc46fa9

Download Submit