1c8174d3ca48ae08aa02ef2dedb5e38f89f5bce0428e6841a600f45552a3d00f

Analysis

max time kernel
81s
max time network
83s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
08/06/2023, 18:00

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General

Target

PO No. - PE1 - 4510292466 0040006585.pdf
Size

23KB
MD5

712e27a5a9a257404b71a633911156a7
SHA1

712ad6e413ac677fcd96b42a36c6358be37f3dfd
SHA256

1c8174d3ca48ae08aa02ef2dedb5e38f89f5bce0428e6841a600f45552a3d00f
SHA512

00bfc1f57407557a151f6fe5bac704941c7d9896dc7464355c4e890ae106ad8fb35f7757dbadb772eb5a2e4d25b5b95ac14ad20b23a79b1d1eae7d7e860a36ac
SSDEEP

384:zLCwhbOet3fud6Z5sKEv0mYFFEFveb12npiXJ9OyvkdAXQ5/Sul0mYFNS2O/Vbro:rzWdu6v0Svebcn4J9OOyTl0mc/

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-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4816	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4816 wrote to memory of 4564	4816	AcroRd32.exe	81
PID 4816 wrote to memory of 4564	4816	AcroRd32.exe	81
PID 4816 wrote to memory of 4564	4816	AcroRd32.exe	81
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 468	4564	RdrCEF.exe	82
PID 4564 wrote to memory of 4424	4564	RdrCEF.exe	83
PID 4564 wrote to memory of 4424	4564	RdrCEF.exe	83
PID 4564 wrote to memory of 4424	4564	RdrCEF.exe	83
PID 4564 wrote to memory of 4424	4564	RdrCEF.exe	83
PID 4564 wrote to memory of 4424	4564	RdrCEF.exe	83
PID 4564 wrote to memory of 4424	4564	RdrCEF.exe	83
PID 4564 wrote to memory of 4424	4564	RdrCEF.exe	83
PID 4564 wrote to memory of 4424	4564	RdrCEF.exe	83
PID 4564 wrote to memory of 4424	4564	RdrCEF.exe	83
PID 4564 wrote to memory of 4424	4564	RdrCEF.exe	83
PID 4564 wrote to memory of 4424	4564	RdrCEF.exe	83
PID 4564 wrote to memory of 4424	4564	RdrCEF.exe	83
PID 4564 wrote to memory of 4424	4564	RdrCEF.exe	83
PID 4564 wrote to memory of 4424	4564	RdrCEF.exe	83
PID 4564 wrote to memory of 4424	4564	RdrCEF.exe	83
PID 4564 wrote to memory of 4424	4564	RdrCEF.exe	83
PID 4564 wrote to memory of 4424	4564	RdrCEF.exe	83
PID 4564 wrote to memory of 4424	4564	RdrCEF.exe	83
PID 4564 wrote to memory of 4424	4564	RdrCEF.exe	83
PID 4564 wrote to memory of 4424	4564	RdrCEF.exe	83

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\PO No. - PE1 - 4510292466 0040006585.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:4816
- 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:4564
- - 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=C74D09D9721A667F5F3D8D18C8F73536 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:468
- - 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=9E8662CB6E2F9BF7BDC603375D2C5242 --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=9E8662CB6E2F9BF7BDC603375D2C5242 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4424
- - 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=3E87A1EF39F0FBF9DE0D8452D3A86C15 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4852
- - 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=8343DC2F150D86EDBBCA5A5DAD1BA4CC --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=8343DC2F150D86EDBBCA5A5DAD1BA4CC --renderer-client-id=5 --mojo-platform-channel-handle=1808 --allow-no-sandbox-job /prefetch:1
    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=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=FC662DEAA0833ADA81C0D4EF18E11000 --mojo-platform-channel-handle=2468 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4548
- - 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=368AA462575EDC2D3FF2944BB3167315 --mojo-platform-channel-handle=2616 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:656

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:440

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
041049d417a58028e740a6ed27758d9e

SHA1
7b31707e7ec52ac6698e31ef19398d6be3fe5119

SHA256
2638505f76a84c8e1053565a9a2e44c0307cbdf4aee58748cc670f5e48943988

SHA512
d6edcab3c2268847c15f8112257d28f9a2623381b33e7dc88032177cb6c88645f5ab6f2fa47e54f2a295ec33d0b431e8afc1127bbbd6af5b72a2c6a4ea0bb820

Download Submit