b6331864b17ba4d77a9f1c0829adb2d5d4416c5086d7d99ddb5360ad95569e0e

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
11-01-2024 22:44

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General

Target

54c8ba2f616155591ad029ced1716c56.pdf
Size

80KB
MD5

54c8ba2f616155591ad029ced1716c56
SHA1

b4b1ede4fbf6507e23a28733deef29b80e25531d
SHA256

b6331864b17ba4d77a9f1c0829adb2d5d4416c5086d7d99ddb5360ad95569e0e
SHA512

b44c71f4731c702f2553a8d050123f6e9bcb2094eff21e1a8572c72bd8819651733504c6701ee9056c663909792c44ff22aef993a0f808dba75cf7f6e7836660
SSDEEP

1536:8YduC4dURumYOk9gQZ9E4MMvE2HEEdahGHXxo6UxG8MWlJOv2Kl:rf4d8umK9gQ502HEEMKxo6N8hJOx

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
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3172	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3172 wrote to memory of 4872	3172	AcroRd32.exe	94
PID 3172 wrote to memory of 4872	3172	AcroRd32.exe	94
PID 3172 wrote to memory of 4872	3172	AcroRd32.exe	94
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3792	4872	RdrCEF.exe	97
PID 4872 wrote to memory of 3276	4872	RdrCEF.exe	98
PID 4872 wrote to memory of 3276	4872	RdrCEF.exe	98
PID 4872 wrote to memory of 3276	4872	RdrCEF.exe	98
PID 4872 wrote to memory of 3276	4872	RdrCEF.exe	98
PID 4872 wrote to memory of 3276	4872	RdrCEF.exe	98
PID 4872 wrote to memory of 3276	4872	RdrCEF.exe	98
PID 4872 wrote to memory of 3276	4872	RdrCEF.exe	98
PID 4872 wrote to memory of 3276	4872	RdrCEF.exe	98
PID 4872 wrote to memory of 3276	4872	RdrCEF.exe	98
PID 4872 wrote to memory of 3276	4872	RdrCEF.exe	98
PID 4872 wrote to memory of 3276	4872	RdrCEF.exe	98
PID 4872 wrote to memory of 3276	4872	RdrCEF.exe	98
PID 4872 wrote to memory of 3276	4872	RdrCEF.exe	98
PID 4872 wrote to memory of 3276	4872	RdrCEF.exe	98
PID 4872 wrote to memory of 3276	4872	RdrCEF.exe	98
PID 4872 wrote to memory of 3276	4872	RdrCEF.exe	98
PID 4872 wrote to memory of 3276	4872	RdrCEF.exe	98
PID 4872 wrote to memory of 3276	4872	RdrCEF.exe	98
PID 4872 wrote to memory of 3276	4872	RdrCEF.exe	98
PID 4872 wrote to memory of 3276	4872	RdrCEF.exe	98

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\54c8ba2f616155591ad029ced1716c56.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:3172
- 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:4872
- - 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=B19864F6CACB6E49AF179B082B772322 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3792
- - 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=596A66D357B5BAD4B70A55ED1EDE9947 --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=596A66D357B5BAD4B70A55ED1EDE9947 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3276
- - 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=90AD0FCA4EC0DA7C41F8C55080FC0142 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:264
- - 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=A8C556B69D35BDC5435EF0CEA3B9E23B --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=A8C556B69D35BDC5435EF0CEA3B9E23B --renderer-client-id=5 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1500
- - 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=70A31EFA39F8E8C53357F4E643FA7961 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2784
- - 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=0B8ED7DC58E518ADE66DD04048FE4763 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4592

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
a79cf6a81b3d3f140f9b0b4e05a9bdd7

SHA1
e809d58eaf1582b1718ed6d34a808bb6d5edcb73

SHA256
084d84a2d85c2017572afa90a465da5c43700ecc4ce05e74a03c16101b9c55bd

SHA512
d05a7fd9e83be29783063636dad6fc27df8aeb3b5011efa4ea97b9bcb94f7dc9afc1c3fe24b9e78d19819035fba7b78f7cfd68affd036d1c3832e57679b854f3

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