fbe48ac33570f531066ac86dee992518468950e8e8fa2510abfd221bba42d144

Analysis

max time kernel
146s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 00:04

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General

Target

2101a21a798be5f61f4c0a376443d100.pdf
Size

82KB
MD5

2101a21a798be5f61f4c0a376443d100
SHA1

562e1282a0e13bee44d19bc879e253012e355e01
SHA256

fbe48ac33570f531066ac86dee992518468950e8e8fa2510abfd221bba42d144
SHA512

5f73865ada19a297a7aeff4ed0199951757face1cee22f436e2beb54f6b20d26cb7d83302919cb42915d6c2df88c04e0728af7d9480fb96302bbe8f6c7f09f95
SSDEEP

1536:nfH/uJ0yplP81uj/OUmHQMdsMtkqTeWK7Kp9+FX5KOKG39Bhw6QiHWuH4eHk:HuJ0ypxVqlHbdxtcWKAaXwOf+bigF

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3164	AcroRd32.exe
3164	AcroRd32.exe
3164	AcroRd32.exe
3164	AcroRd32.exe
3164	AcroRd32.exe
3164	AcroRd32.exe
3164	AcroRd32.exe
3164	AcroRd32.exe
3164	AcroRd32.exe
3164	AcroRd32.exe
3164	AcroRd32.exe
3164	AcroRd32.exe
3164	AcroRd32.exe
3164	AcroRd32.exe
3164	AcroRd32.exe
3164	AcroRd32.exe
3164	AcroRd32.exe
3164	AcroRd32.exe
3164	AcroRd32.exe
3164	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3164	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3164	AcroRd32.exe
3164	AcroRd32.exe
3164	AcroRd32.exe
3164	AcroRd32.exe
3164	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3164 wrote to memory of 2140	3164	AcroRd32.exe	92
PID 3164 wrote to memory of 2140	3164	AcroRd32.exe	92
PID 3164 wrote to memory of 2140	3164	AcroRd32.exe	92
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 932	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 400	2140	RdrCEF.exe	93
PID 2140 wrote to memory of 400	2140	RdrCEF.exe	93
PID 2140 wrote to memory of 400	2140	RdrCEF.exe	93
PID 2140 wrote to memory of 400	2140	RdrCEF.exe	93
PID 2140 wrote to memory of 400	2140	RdrCEF.exe	93
PID 2140 wrote to memory of 400	2140	RdrCEF.exe	93
PID 2140 wrote to memory of 400	2140	RdrCEF.exe	93
PID 2140 wrote to memory of 400	2140	RdrCEF.exe	93
PID 2140 wrote to memory of 400	2140	RdrCEF.exe	93
PID 2140 wrote to memory of 400	2140	RdrCEF.exe	93
PID 2140 wrote to memory of 400	2140	RdrCEF.exe	93
PID 2140 wrote to memory of 400	2140	RdrCEF.exe	93
PID 2140 wrote to memory of 400	2140	RdrCEF.exe	93
PID 2140 wrote to memory of 400	2140	RdrCEF.exe	93
PID 2140 wrote to memory of 400	2140	RdrCEF.exe	93
PID 2140 wrote to memory of 400	2140	RdrCEF.exe	93
PID 2140 wrote to memory of 400	2140	RdrCEF.exe	93
PID 2140 wrote to memory of 400	2140	RdrCEF.exe	93
PID 2140 wrote to memory of 400	2140	RdrCEF.exe	93
PID 2140 wrote to memory of 400	2140	RdrCEF.exe	93

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\2101a21a798be5f61f4c0a376443d100.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:3164
- 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:2140
- - 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=B3C704E5E1807C8231F4A323E2433970 --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=B3C704E5E1807C8231F4A323E2433970 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:400
- - 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=C77753222A7E1D5B372A38CB11DA65DD --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:932
- - 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=2FBB13BB67D28C0F4F98A64F6439AB14 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1492
- - 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=F727106645DC6FCD7D972BE1EB5142F1 --mojo-platform-channel-handle=2356 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4200
- - 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=92226E666B80B2FDA27A8CF8EDE68450 --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=92226E666B80B2FDA27A8CF8EDE68450 --renderer-client-id=5 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3200
- - 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=F3F01294D0F872EEA8E47EFBB42EE17C --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3416

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1976

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
b9b140638db1e302c1ae59cb82cefbbc

SHA1
b1e0bfb135d14ace9b3c5034109049bf5934e80f

SHA256
463c215aebbdb692484704f8d4b667c321bc20973d6473275cf1495dc24d1aa9

SHA512
fcb8edceab8c13f790d0c1bc488d3e3078d09eda19bbe246ea63e24a9839b1fb0f99534a48c30850f3bc4a5714f708beb06c3aeddf3729e5f405b55e4f0cb791

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/3164-27-0x000000000C120000-0x000000000C141000-memory.dmp

Filesize
132KB

Download