158e7243321735c57b85f6cdfb2a88bf4a57bce4433830c4cc375e55942db421

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
26-03-2024 15:22

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General

Target

df7c1555e4fc77d847c59df575e0a22c.pdf
Size

79KB
MD5

df7c1555e4fc77d847c59df575e0a22c
SHA1

7a01a2a1c4afa2ee55cb946f73ca7d14a29446fb
SHA256

158e7243321735c57b85f6cdfb2a88bf4a57bce4433830c4cc375e55942db421
SHA512

ef74aa1d02b5feeb19abb88677d7477f9cf951aeaa2039675ca9c53ebbd0aeab77b05fa77709bf71850ed9fcbcc25354e18c4e3c0a814ef0c58454bafe3969f9
SSDEEP

1536:KzIgYYDJ11RY3ILmln4ZMSmIMOInExilGgW4VMijJTlxWOpOwr0Fy32EcUH:if1RW4mqZtmI+nExyrJxuwr0C3

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2940	AcroRd32.exe
2940	AcroRd32.exe
2940	AcroRd32.exe
2940	AcroRd32.exe
2940	AcroRd32.exe
2940	AcroRd32.exe
2940	AcroRd32.exe
2940	AcroRd32.exe
2940	AcroRd32.exe
2940	AcroRd32.exe
2940	AcroRd32.exe
2940	AcroRd32.exe
2940	AcroRd32.exe
2940	AcroRd32.exe
2940	AcroRd32.exe
2940	AcroRd32.exe
2940	AcroRd32.exe
2940	AcroRd32.exe
2940	AcroRd32.exe
2940	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2940	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2940	AcroRd32.exe
2940	AcroRd32.exe
2940	AcroRd32.exe
2940	AcroRd32.exe
2940	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2940 wrote to memory of 4400	2940	AcroRd32.exe	94
PID 2940 wrote to memory of 4400	2940	AcroRd32.exe	94
PID 2940 wrote to memory of 4400	2940	AcroRd32.exe	94
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3696	4400	RdrCEF.exe	95
PID 4400 wrote to memory of 3028	4400	RdrCEF.exe	96
PID 4400 wrote to memory of 3028	4400	RdrCEF.exe	96
PID 4400 wrote to memory of 3028	4400	RdrCEF.exe	96
PID 4400 wrote to memory of 3028	4400	RdrCEF.exe	96
PID 4400 wrote to memory of 3028	4400	RdrCEF.exe	96
PID 4400 wrote to memory of 3028	4400	RdrCEF.exe	96
PID 4400 wrote to memory of 3028	4400	RdrCEF.exe	96
PID 4400 wrote to memory of 3028	4400	RdrCEF.exe	96
PID 4400 wrote to memory of 3028	4400	RdrCEF.exe	96
PID 4400 wrote to memory of 3028	4400	RdrCEF.exe	96
PID 4400 wrote to memory of 3028	4400	RdrCEF.exe	96
PID 4400 wrote to memory of 3028	4400	RdrCEF.exe	96
PID 4400 wrote to memory of 3028	4400	RdrCEF.exe	96
PID 4400 wrote to memory of 3028	4400	RdrCEF.exe	96
PID 4400 wrote to memory of 3028	4400	RdrCEF.exe	96
PID 4400 wrote to memory of 3028	4400	RdrCEF.exe	96
PID 4400 wrote to memory of 3028	4400	RdrCEF.exe	96
PID 4400 wrote to memory of 3028	4400	RdrCEF.exe	96
PID 4400 wrote to memory of 3028	4400	RdrCEF.exe	96
PID 4400 wrote to memory of 3028	4400	RdrCEF.exe	96

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\df7c1555e4fc77d847c59df575e0a22c.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:2940
- 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:4400
- - 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=4BE829A3C59A3AE6E87BA256D8A5E083 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3696
- - 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=D961F83A5BC62D8EFFB4C1245833CB98 --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=D961F83A5BC62D8EFFB4C1245833CB98 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3028
- - 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=CB8A7E536F5F907B6E87A78182958CE9 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2932
- - 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=01629091122289E4C5211112DB0BF4B0 --mojo-platform-channel-handle=1896 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5104
- - 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=09F8C4F2D767F58493674C561682A629 --mojo-platform-channel-handle=1884 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4212
- - 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=FFD3062D5F301C3850147C9A5015DAF2 --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=FFD3062D5F301C3850147C9A5015DAF2 --renderer-client-id=7 --mojo-platform-channel-handle=2528 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3432

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4220

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
a8aff382b48df2614bae0a99d2433d8b

SHA1
0aaef3267df164b9fb1d9e1e2b148e163db2fdd5

SHA256
3f6eaa0284cc0f21576a048301be20e1f3d200e9835dd4a0d971b02d7d0e2dca

SHA512
6069ced208aa791ca48bca21e4b9cc76e07f390675d5ef8be6eadfb241653ff6d1ab3d2755a20c574507cfc9a89472c924babacdfe40baa85dfb94eb95022db4

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