e7929341a1f0a68c905ec751163da7fba7e96ba421ea42e86da8765236bd75c7

Analysis

max time kernel
151s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 06:04

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General

Target

2b182ebb9e45f35100d6de1017151381.pdf
Size

34KB
MD5

2b182ebb9e45f35100d6de1017151381
SHA1

7ba2c6c68a5de88e47f4fd0cc2d6693068105941
SHA256

e7929341a1f0a68c905ec751163da7fba7e96ba421ea42e86da8765236bd75c7
SHA512

d0c4c2607b2f9c314642498a94eeb5203573320528118cfcfd72a2e02acccd16f8b1e23c79474b01eeae2394e4cc5b12f2a76a509b5ee39a108b1c785d1b71db
SSDEEP

768:kpLpYKTBJSJlWOV+aTwB5jh8kwfjFIQcK22Dxe:o3JGeii56nfjF93Dxe

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
696	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 696 wrote to memory of 3892	696	AcroRd32.exe	93
PID 696 wrote to memory of 3892	696	AcroRd32.exe	93
PID 696 wrote to memory of 3892	696	AcroRd32.exe	93
PID 696 wrote to memory of 3468	696	AcroRd32.exe	97
PID 696 wrote to memory of 3468	696	AcroRd32.exe	97
PID 696 wrote to memory of 3468	696	AcroRd32.exe	97
PID 696 wrote to memory of 4420	696	AcroRd32.exe	99
PID 696 wrote to memory of 4420	696	AcroRd32.exe	99
PID 696 wrote to memory of 4420	696	AcroRd32.exe	99
PID 696 wrote to memory of 2200	696	AcroRd32.exe	103
PID 696 wrote to memory of 2200	696	AcroRd32.exe	103
PID 696 wrote to memory of 2200	696	AcroRd32.exe	103
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 1932	2200	RdrCEF.exe	105
PID 2200 wrote to memory of 2784	2200	RdrCEF.exe	106
PID 2200 wrote to memory of 2784	2200	RdrCEF.exe	106
PID 2200 wrote to memory of 2784	2200	RdrCEF.exe	106
PID 2200 wrote to memory of 2784	2200	RdrCEF.exe	106
PID 2200 wrote to memory of 2784	2200	RdrCEF.exe	106
PID 2200 wrote to memory of 2784	2200	RdrCEF.exe	106
PID 2200 wrote to memory of 2784	2200	RdrCEF.exe	106
PID 2200 wrote to memory of 2784	2200	RdrCEF.exe	106
PID 2200 wrote to memory of 2784	2200	RdrCEF.exe	106

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\2b182ebb9e45f35100d6de1017151381.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:696
- 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:3892
- 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:3468
- 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:4420
- 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:2200
- - 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=E69DEBB5BB7420490CD7C96A9B7AC337 --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=E69DEBB5BB7420490CD7C96A9B7AC337 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1932
- - 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=1E773327E515DE4A4AAEED1EEE0B1D93 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2784
- - 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=20931ABD824A0B124A510846E4EB040E --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=20931ABD824A0B124A510846E4EB040E --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:432
- - 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=2A71B155986AC2578182E401EE2D6E3C --mojo-platform-channel-handle=1992 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4020
- - 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=C473DA1FDB3F630D07A1E45F8808ABB5 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4392
- - 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=93E13F911E474B66BE1A286C959F45FC --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1552

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
2f1739770bf4e658e28e018e58ad5129

SHA1
ebc9c3a1979fd8e567ba6772f19e675783eda109

SHA256
d559bbcd4c084bc9e3b732a236276add7be40d0a3f993d7c8b414639f449ed08

SHA512
74eb623dcaa9651dcfe89151ee3542ad8b1f7a34ef3d629c26ac0595638ebaefaeef753a9c9dd6073d277374a2939a9eae653560917dd88bb3f07d2081a73ade

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
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit