b785ff0c374552f64cca1949e373d6ce59be6d990290d34931e34a6731b116d5

Analysis

max time kernel
142s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/01/2024, 08:24

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General

Target

71be74d5f0f374708435a3831fbe29fb.pdf
Size

97KB
MD5

71be74d5f0f374708435a3831fbe29fb
SHA1

88d812c3d546df7c96b331239c95115bf2935ff5
SHA256

b785ff0c374552f64cca1949e373d6ce59be6d990290d34931e34a6731b116d5
SHA512

a409dcef10d76d3b179c1cbbb640ebfcb97afb43ff5ef4c498a3e5fcf60f168ed9fb9861f627f1554819eadf7ba6cd2e1c28f13d5584845b82aec8c082784e45
SSDEEP

3072:LoQZrbaoPrccABLWIh4I1W2p1izYUgbJI:MQcoPrMPh/Fijd

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1620	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 484	1620	AcroRd32.exe	92
PID 1620 wrote to memory of 484	1620	AcroRd32.exe	92
PID 1620 wrote to memory of 484	1620	AcroRd32.exe	92
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2868	484	RdrCEF.exe	93
PID 484 wrote to memory of 2528	484	RdrCEF.exe	94
PID 484 wrote to memory of 2528	484	RdrCEF.exe	94
PID 484 wrote to memory of 2528	484	RdrCEF.exe	94
PID 484 wrote to memory of 2528	484	RdrCEF.exe	94
PID 484 wrote to memory of 2528	484	RdrCEF.exe	94
PID 484 wrote to memory of 2528	484	RdrCEF.exe	94
PID 484 wrote to memory of 2528	484	RdrCEF.exe	94
PID 484 wrote to memory of 2528	484	RdrCEF.exe	94
PID 484 wrote to memory of 2528	484	RdrCEF.exe	94
PID 484 wrote to memory of 2528	484	RdrCEF.exe	94
PID 484 wrote to memory of 2528	484	RdrCEF.exe	94
PID 484 wrote to memory of 2528	484	RdrCEF.exe	94
PID 484 wrote to memory of 2528	484	RdrCEF.exe	94
PID 484 wrote to memory of 2528	484	RdrCEF.exe	94
PID 484 wrote to memory of 2528	484	RdrCEF.exe	94
PID 484 wrote to memory of 2528	484	RdrCEF.exe	94
PID 484 wrote to memory of 2528	484	RdrCEF.exe	94
PID 484 wrote to memory of 2528	484	RdrCEF.exe	94
PID 484 wrote to memory of 2528	484	RdrCEF.exe	94
PID 484 wrote to memory of 2528	484	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\71be74d5f0f374708435a3831fbe29fb.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:1620
- 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:484
- - 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=8DC6B78ECA15D6A4EF082E00E417669A --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2868
- - 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=17E6022D1655DE1FB908DB13CB76842B --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=17E6022D1655DE1FB908DB13CB76842B --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2528
- - 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=2BCE124475E568F51F67FD6A25329A4A --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=2BCE124475E568F51F67FD6A25329A4A --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1148
- - 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=ED83A0D1E31A6BA4E55FA834C38B789D --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1376
- - 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=91BFF240B8F55DE4C51CE55A17A08749 --mojo-platform-channel-handle=2648 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4276
- - 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=831D39B30CFC9FE218FC06F6ED2D08DA --mojo-platform-channel-handle=2748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3980

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
f1f9e556dc7f0ddbebf1b136e05dda32

SHA1
42eba77580b1ed81036c72a9a42b428867554764

SHA256
eb9a700ee0f3988fe90f49eacb8262e279396347286225d63eb26f103839cf8e

SHA512
18bab9aa3c76dfa8ed068c9a15dac1184e235aa7e3b09d1d2550c25ab8d66bdd74709665a2b335209376f5132fc205bf2de23839219cf79bdb2206550733fb90

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
memory/1620-28-0x000000000C460000-0x000000000C481000-memory.dmp

Filesize
132KB

Download