03457fd6c03d0d1211f12536ee284a497a476abfeadd59132d1acda3539ab223

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07-03-2024 18:44

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General

Target

b9689c8c5d213c8fb061f4012ad295dd.pdf
Size

72KB
MD5

b9689c8c5d213c8fb061f4012ad295dd
SHA1

589e7b7d87640e6de46d825a9c6e6decd776e34d
SHA256

03457fd6c03d0d1211f12536ee284a497a476abfeadd59132d1acda3539ab223
SHA512

7606024a11f522eff8f9693e529afe8c54661533684da00c4b968d280f758faf2027a0734ae159579f9007e22442b6a58c7537f90db72a085337a792c1219558
SSDEEP

1536:z2rJVU+qbHmFbM9fPBEAjVI19WYpO2+WzDgXRJKdcgyLV3Jn+:eJq+qbGFbM9fpEAjVIy22XXKdcgyx3J+

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2344	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe
2344	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 3704	2344	AcroRd32.exe	91
PID 2344 wrote to memory of 3704	2344	AcroRd32.exe	91
PID 2344 wrote to memory of 3704	2344	AcroRd32.exe	91
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 4956	3704	RdrCEF.exe	92
PID 3704 wrote to memory of 1016	3704	RdrCEF.exe	93
PID 3704 wrote to memory of 1016	3704	RdrCEF.exe	93
PID 3704 wrote to memory of 1016	3704	RdrCEF.exe	93
PID 3704 wrote to memory of 1016	3704	RdrCEF.exe	93
PID 3704 wrote to memory of 1016	3704	RdrCEF.exe	93
PID 3704 wrote to memory of 1016	3704	RdrCEF.exe	93
PID 3704 wrote to memory of 1016	3704	RdrCEF.exe	93
PID 3704 wrote to memory of 1016	3704	RdrCEF.exe	93
PID 3704 wrote to memory of 1016	3704	RdrCEF.exe	93
PID 3704 wrote to memory of 1016	3704	RdrCEF.exe	93
PID 3704 wrote to memory of 1016	3704	RdrCEF.exe	93
PID 3704 wrote to memory of 1016	3704	RdrCEF.exe	93
PID 3704 wrote to memory of 1016	3704	RdrCEF.exe	93
PID 3704 wrote to memory of 1016	3704	RdrCEF.exe	93
PID 3704 wrote to memory of 1016	3704	RdrCEF.exe	93
PID 3704 wrote to memory of 1016	3704	RdrCEF.exe	93
PID 3704 wrote to memory of 1016	3704	RdrCEF.exe	93
PID 3704 wrote to memory of 1016	3704	RdrCEF.exe	93
PID 3704 wrote to memory of 1016	3704	RdrCEF.exe	93
PID 3704 wrote to memory of 1016	3704	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\b9689c8c5d213c8fb061f4012ad295dd.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:2344
- 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:3704
- - 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=F652747897CA137E6CFE62CBED6C30EB --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4956
- - 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=827B2841A502FA0E895BFD81F0E2E501 --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=827B2841A502FA0E895BFD81F0E2E501 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1016
- - 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=BBCE5EDF7F709EF0F555046521D274D4 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2908
- - 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=8CDC8AF65E307B1D0B0BC584399C40D5 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4756
- - 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=4F1ACC464761397B15DC733190645473 --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=4F1ACC464761397B15DC733190645473 --renderer-client-id=6 --mojo-platform-channel-handle=2520 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1108
- - 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=A77F2A03B1EDE284BC9DF71D379F3B0E --mojo-platform-channel-handle=2772 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:536

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4860

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
888a8b70316dfe8be23f158b365044b9

SHA1
b3108a511bcbaa4230a5993dc8b493d9c9eebb8b

SHA256
067edb57bcdd755bce336d71f1f2cc6ba45a30b98c984b89ca365c32982bacbe

SHA512
553dfc89f9c8c38e4bbf11ad5ef90b189776630cfe9ae5c0c2849c4f5d74900c4e1f196b47262184626011ba6f2cff398054007af005b086356d840e207f9509

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/2344-26-0x000000000A8F0000-0x000000000A940000-memory.dmp

Filesize
320KB

Download
memory/2344-134-0x000000000B650000-0x000000000B79D000-memory.dmp

Filesize
1.3MB

Download