59013bd28b208550ac539d0698ac0868a409f10a6f3f19d50fe3b4e189b79b09

Analysis

max time kernel
143s
max time network
150s
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, 14:27

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General

Target

a2145331820741ba4a956f686b0a19df.pdf
Size

95KB
MD5

a2145331820741ba4a956f686b0a19df
SHA1

e1da784af29bf1ff2690eae44a227823a12596ad
SHA256

59013bd28b208550ac539d0698ac0868a409f10a6f3f19d50fe3b4e189b79b09
SHA512

798f546e143ebb0e85f87ae16739a2866fda7ee2ebb26ed77e41840cba8a15694a380aa90bb3272f94a2ddba4422c699123fb8b9db3f88b0b4bae4f4feeda6ad
SSDEEP

1536:MEwauKkBuanRzQ5bMIK0PUOx0Ik8v/9mW3t1w+M44LogfZWbpONSYlSWl9uKVGOB:CBuQe5bK4919TdM44LogfbNtl3UKH

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-1-5-21-3844919115-497234255-166257750-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4512	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4512 wrote to memory of 4520	4512	AcroRd32.exe	87
PID 4512 wrote to memory of 4520	4512	AcroRd32.exe	87
PID 4512 wrote to memory of 4520	4512	AcroRd32.exe	87
PID 4512 wrote to memory of 408	4512	AcroRd32.exe	88
PID 4512 wrote to memory of 408	4512	AcroRd32.exe	88
PID 4512 wrote to memory of 408	4512	AcroRd32.exe	88
PID 4512 wrote to memory of 4920	4512	AcroRd32.exe	91
PID 4512 wrote to memory of 4920	4512	AcroRd32.exe	91
PID 4512 wrote to memory of 4920	4512	AcroRd32.exe	91
PID 4512 wrote to memory of 1764	4512	AcroRd32.exe	92
PID 4512 wrote to memory of 1764	4512	AcroRd32.exe	92
PID 4512 wrote to memory of 1764	4512	AcroRd32.exe	92
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 772	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1372	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 1372	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 1372	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 1372	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 1372	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 1372	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 1372	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 1372	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 1372	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 1372	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 1372	4920	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\a2145331820741ba4a956f686b0a19df.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:4512
- 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:4520
- 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:408
- 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:4920
- - 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=6F8ED4DB9119BEA19E81CCECB3896D4E --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:772
- - 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=044FC44A80E4E4DA9489550A523E76E2 --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=044FC44A80E4E4DA9489550A523E76E2 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1372
- - 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=BB60864AE457993F636FD509960A6482 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:744
- - 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=3D66633C12588178B287B892F23617B9 --mojo-platform-channel-handle=1820 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:672
- - 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=8D8CC60FFDAD46AEF9C4544285BC03A3 --mojo-platform-channel-handle=1808 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1596
- - 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=F18B11D75CAD8B8DCB72921A5D1DF95B --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=F18B11D75CAD8B8DCB72921A5D1DF95B --renderer-client-id=8 --mojo-platform-channel-handle=2112 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4280
- 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:1764

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4504

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
6ddaeec249b0ce599b6d6fcb1198aae3

SHA1
99ff2574348b4007f76ea801967059e8a8f99eac

SHA256
d46e8c851c6f82ef0225061d57d652feddff361a48b2ac88074d16ba09133533

SHA512
00504315d37517c9b98329a30bb23da05d647b48a81c6cd7fd039c77c6dd52ce6e9c53531bfa70ddc670c4e95e2e3542500c46ea827450257cc6f9fce149840d

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