67326ca5a714fd0bb6d1635dcc9323749e3c7cf32b65c1b50c4f45f5359b2805

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
23/02/2024, 23:23

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General

Target

a09bb64d1ce3e171b4f951a74e40ea84.pdf
Size

35KB
MD5

a09bb64d1ce3e171b4f951a74e40ea84
SHA1

a55b5e2223bb104d5d75511371cc74bd2cbc6ff2
SHA256

67326ca5a714fd0bb6d1635dcc9323749e3c7cf32b65c1b50c4f45f5359b2805
SHA512

f3b3ea0a66cf7e0eb9a7cf3090a641124443e2b1e47caa4e4a2536a66c75622d0ba5549a786a65f580ef4c955fe0bcbc22429d17b1b7eabf53f0429db29d4d39
SSDEEP

768:675o0TPJtsvRjslumj0a+DaqMNRl3jLcCd3w5wIR021ffU:maEPJ8sNj0a+D8N73nFgnRRffU

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-1-5-21-3844919115-497234255-166257750-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1592	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1592 wrote to memory of 4680	1592	AcroRd32.exe	85
PID 1592 wrote to memory of 4680	1592	AcroRd32.exe	85
PID 1592 wrote to memory of 4680	1592	AcroRd32.exe	85
PID 1592 wrote to memory of 560	1592	AcroRd32.exe	86
PID 1592 wrote to memory of 560	1592	AcroRd32.exe	86
PID 1592 wrote to memory of 560	1592	AcroRd32.exe	86
PID 1592 wrote to memory of 4520	1592	AcroRd32.exe	87
PID 1592 wrote to memory of 4520	1592	AcroRd32.exe	87
PID 1592 wrote to memory of 4520	1592	AcroRd32.exe	87
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 3188	4520	RdrCEF.exe	88
PID 4520 wrote to memory of 2108	4520	RdrCEF.exe	89
PID 4520 wrote to memory of 2108	4520	RdrCEF.exe	89
PID 4520 wrote to memory of 2108	4520	RdrCEF.exe	89
PID 4520 wrote to memory of 2108	4520	RdrCEF.exe	89
PID 4520 wrote to memory of 2108	4520	RdrCEF.exe	89
PID 4520 wrote to memory of 2108	4520	RdrCEF.exe	89
PID 4520 wrote to memory of 2108	4520	RdrCEF.exe	89
PID 4520 wrote to memory of 2108	4520	RdrCEF.exe	89
PID 4520 wrote to memory of 2108	4520	RdrCEF.exe	89
PID 4520 wrote to memory of 2108	4520	RdrCEF.exe	89
PID 4520 wrote to memory of 2108	4520	RdrCEF.exe	89
PID 4520 wrote to memory of 2108	4520	RdrCEF.exe	89
PID 4520 wrote to memory of 2108	4520	RdrCEF.exe	89
PID 4520 wrote to memory of 2108	4520	RdrCEF.exe	89

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\a09bb64d1ce3e171b4f951a74e40ea84.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:1592
- 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⤵
  PID:4680
- 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⤵
  PID:560
- 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:4520
- - 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=BFD47554AC6E2B18E64AC753317C65CA --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3188
- - 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=831328A0658A3124C09EC60C02D8229F --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=831328A0658A3124C09EC60C02D8229F --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2108
- - 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=CBBD9BF813416DBF59A452DCFE86F4F9 --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=CBBD9BF813416DBF59A452DCFE86F4F9 --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4580
- - 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=27C68F17542E057DB2C673841B620B9F --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1468
- - 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=D5BF40099AAAEB1FDCC09E4EC70C2C02 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2220
- - 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=053185A6BCB5FCB9A9FE5917F4018EC7 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1800

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
ce91ba1ed94ed3ed3d15046248e6c816

SHA1
a7f3e148f5d0ef4b739ead221d93129fd53d0780

SHA256
289d725cadb6ea3a0c1c4419f1177b3a20d0a04a1ad122b772133f6a9e843475

SHA512
3b890353c6ed791fd73d29afe63ed438660da9e96e5cd34f9090dc3e4c8b7febc1324016a2ab482662dfd9c7c3e11ee63c31ed19839458a333577706e2c5317c

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
C:\Users\Admin\AppData\Local\Adobe\Acrobat\DC\SharedDataEvents

Filesize
12KB

MD5
526a632628faed99379ae2c50041a05e

SHA1
a2e6c538c12c25f0210af434372e1ac28ec5b863

SHA256
c56d296ce701bec061f7ccd5c98d6459669435de196cacf8f515dd064fbe8029

SHA512
7a91c67e324ec0e06a7187844950bac374706ad37a18f1abbdf8890680269ba25b01c1d75ac0fb6a2bb497e6f3a4990d8e291bf24ae3f630d7e41a515259e348

Download Submit