99ab4c46396bd883b19bb9e02148ae7deb0492de907c2c5bc1cd323dc777219a

Analysis

max time kernel
147s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
29/02/2024, 09:17

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General

Target

ae27fc28757aabcb6b4b50c0cfb27a4e.pdf
Size

92KB
MD5

ae27fc28757aabcb6b4b50c0cfb27a4e
SHA1

459f36dcfc388559b25bc17a9f99091885ec7e60
SHA256

99ab4c46396bd883b19bb9e02148ae7deb0492de907c2c5bc1cd323dc777219a
SHA512

3df8feffffca5c84d23ff6a41ccab54f0b4412d8c9e3da821368e27f842871b0498202d786f8002e45e1470babd9d66aff5a4929b1e5317a7948891a3f705e37
SSDEEP

1536:WS9XeKI0nUtMQWQ5y3+RvsOeEJKb0/iq86RvJyvYmWCpOVivd0qLWdSUx6cLR1:f9XXPhQ5yOZsO9YbEiYyvUVivdv2FxFT

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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4392	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4392 wrote to memory of 392	4392	AcroRd32.exe	92
PID 4392 wrote to memory of 392	4392	AcroRd32.exe	92
PID 4392 wrote to memory of 392	4392	AcroRd32.exe	92
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 2216	392	RdrCEF.exe	93
PID 392 wrote to memory of 3364	392	RdrCEF.exe	94
PID 392 wrote to memory of 3364	392	RdrCEF.exe	94
PID 392 wrote to memory of 3364	392	RdrCEF.exe	94
PID 392 wrote to memory of 3364	392	RdrCEF.exe	94
PID 392 wrote to memory of 3364	392	RdrCEF.exe	94
PID 392 wrote to memory of 3364	392	RdrCEF.exe	94
PID 392 wrote to memory of 3364	392	RdrCEF.exe	94
PID 392 wrote to memory of 3364	392	RdrCEF.exe	94
PID 392 wrote to memory of 3364	392	RdrCEF.exe	94
PID 392 wrote to memory of 3364	392	RdrCEF.exe	94
PID 392 wrote to memory of 3364	392	RdrCEF.exe	94
PID 392 wrote to memory of 3364	392	RdrCEF.exe	94
PID 392 wrote to memory of 3364	392	RdrCEF.exe	94
PID 392 wrote to memory of 3364	392	RdrCEF.exe	94
PID 392 wrote to memory of 3364	392	RdrCEF.exe	94
PID 392 wrote to memory of 3364	392	RdrCEF.exe	94
PID 392 wrote to memory of 3364	392	RdrCEF.exe	94
PID 392 wrote to memory of 3364	392	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\ae27fc28757aabcb6b4b50c0cfb27a4e.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:392
- - 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=F1432C23107190A7FC99C7EFBE0EBCB8 --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=F1432C23107190A7FC99C7EFBE0EBCB8 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2216
- - 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=BAD8B4E2D192350AF8B7F5BC67E10A0F --mojo-platform-channel-handle=1784 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3364
- - 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=A26610ADB8E52DDE5D6209209A25ECC0 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:928
- - 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=0744634F676884B6C0D9AD0967B29A8D --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=0744634F676884B6C0D9AD0967B29A8D --renderer-client-id=5 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3020
- - 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=CD7FB137DA0F70B1D53CC2CF5700B991 --mojo-platform-channel-handle=1992 --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=F9A2610668B1FAFA654E52A57EE6081D --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3136

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1004

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
4c77e362f1f25f5ba839b928efd382c9

SHA1
309f58a02d78c84ef37ca06cdc125cc5c849d702

SHA256
0162fed2fa4e5523ba9f7799ff55da9d1793db40e280cb7e1209d000db6ad876

SHA512
d71f99dc029b3bf2fef689f3df0eb6277c55618a00f1abcd39d2cfbbf05a71321327924f096fc7b13d2161721d8508463d2fde98d1ff4eabba5d2d53f2146950

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/4392-27-0x000000000B630000-0x000000000B651000-memory.dmp

Filesize
132KB

Download