4b3f4fd0ee9f5936b30e8458b1aa79bf33d515b9687e964e58e3591441c3ce7b

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/01/2024, 16:40

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General

Target

681f2a919519ef543b04e4c25a92cf64.pdf
Size

91KB
MD5

681f2a919519ef543b04e4c25a92cf64
SHA1

4b50d3c60f6ed98e21b37248cca1251b4000e490
SHA256

4b3f4fd0ee9f5936b30e8458b1aa79bf33d515b9687e964e58e3591441c3ce7b
SHA512

e7d542d24873e2fe61b5bda54789853863f628dea4fc16b20977f05792212190edfd4e55f0995591d8ee22adcc469ba9cc49401cafe5fb8a98dd5eb18688903b
SSDEEP

1536:Wa96CSJm8rkPunGggcAkB4cw9RI3kIZhMUoV6N8TzLeFO1ynXB0M/KizRWkNpOPR:3Q5rDGgukB4m0+hMzQ8TeFCAXBn/Kiz2

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1428	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1428 wrote to memory of 5048	1428	AcroRd32.exe	91
PID 1428 wrote to memory of 5048	1428	AcroRd32.exe	91
PID 1428 wrote to memory of 5048	1428	AcroRd32.exe	91
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2064	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 3668	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 3668	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 3668	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 3668	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 3668	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 3668	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 3668	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 3668	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 3668	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 3668	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 3668	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 3668	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 3668	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 3668	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 3668	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 3668	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 3668	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 3668	5048	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\681f2a919519ef543b04e4c25a92cf64.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:1428
- 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:5048
- - 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=C16EF50E75B034535D1D4BAA115C1133 --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=C16EF50E75B034535D1D4BAA115C1133 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2064
- - 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=BF3134FEB390D8019C6E121DCC5BCDE5 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3668
- - 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=22C3EA92685F24A6C30149D845DD1309 --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=22C3EA92685F24A6C30149D845DD1309 --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3384
- - 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=273660AAD6FE604A94F928BD04359A9A --mojo-platform-channel-handle=2448 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3092
- - 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=D7BCBCD830C5F26502E74183F1150B27 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:756
- - 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=C53C368E119A37B22DF3D91ED56D59BB --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1092

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4436

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
9e6dbb918639a6023f38c1b3e00cc672

SHA1
db088ee0fdce12c756a5e7f1de298534182cb8f8

SHA256
a6865fb45675906bf25c85d7058716bc5466121d23abc489cb20984266fa7972

SHA512
4a8656bcdabf9b0fd169c56610aa0ad4bb8eabb39ca83e8b0d6b14e4ebb59cf832714ebaefe18ae98d01c7c6b3e519739edc2a9921fd2a6ecf52c33109a8d88c

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/1428-28-0x000000000C3C0000-0x000000000C3E1000-memory.dmp

Filesize
132KB

Download