97937eb732d887e6d6e36647a2e01a34cde4d765f90e31336cd4cbfe46e6fbde

Analysis

max time kernel
144s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 17:11

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General

Target
fc2231622a009597ba1cdc471fa5cca8.pdf
Size 32KB
Sample231222-vql91abegr
SHA256 97937eb732d887e6d6e36647a2e01a34cde4d765f90e31336cd4cbfe46e6fbde
MD5 fc2231622a009597ba1cdc471fa5cca8
SHA1 36417345c4e45efe81871564063041965004625f
SHA512 a618cb0f3f1b507e825a5a79c4d0ee9ae53ace22a49a7324367e7ee71354bb3d60a019199bed9d6a01029248c4dd07d2f1f4bad0f93299fe70d13f8e711177b9
SSDEEP 768:/ceFhWsNJRl3c+dRfZJThMo9HVn/vjnkd7O7:/3Dl3c+dzBWGHVTkFO7
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
232	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 232 wrote to memory of 3624	232	AcroRd32.exe	94
PID 232 wrote to memory of 3624	232	AcroRd32.exe	94
PID 232 wrote to memory of 3624	232	AcroRd32.exe	94
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 3228	3624	RdrCEF.exe	97
PID 3624 wrote to memory of 2944	3624	RdrCEF.exe	98
PID 3624 wrote to memory of 2944	3624	RdrCEF.exe	98
PID 3624 wrote to memory of 2944	3624	RdrCEF.exe	98
PID 3624 wrote to memory of 2944	3624	RdrCEF.exe	98
PID 3624 wrote to memory of 2944	3624	RdrCEF.exe	98
PID 3624 wrote to memory of 2944	3624	RdrCEF.exe	98
PID 3624 wrote to memory of 2944	3624	RdrCEF.exe	98
PID 3624 wrote to memory of 2944	3624	RdrCEF.exe	98
PID 3624 wrote to memory of 2944	3624	RdrCEF.exe	98
PID 3624 wrote to memory of 2944	3624	RdrCEF.exe	98
PID 3624 wrote to memory of 2944	3624	RdrCEF.exe	98
PID 3624 wrote to memory of 2944	3624	RdrCEF.exe	98
PID 3624 wrote to memory of 2944	3624	RdrCEF.exe	98
PID 3624 wrote to memory of 2944	3624	RdrCEF.exe	98
PID 3624 wrote to memory of 2944	3624	RdrCEF.exe	98
PID 3624 wrote to memory of 2944	3624	RdrCEF.exe	98
PID 3624 wrote to memory of 2944	3624	RdrCEF.exe	98
PID 3624 wrote to memory of 2944	3624	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\fc2231622a009597ba1cdc471fa5cca8.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:232
- 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:3624
- - 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=3579A4CA5CE1FF793005AECFD4FAA214 --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=3579A4CA5CE1FF793005AECFD4FAA214 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3228
- - 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=3F534993DCF81DAE7C66F33C539E9FFA --mojo-platform-channel-handle=1864 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2944
- - 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=60E75847FEFB77348362ED596AD35E7C --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3456
- - 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=9994878DD76F61588DAD7BA3C93DBC70 --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=9994878DD76F61588DAD7BA3C93DBC70 --renderer-client-id=5 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4640
- - 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=0E1470A0283764C5ED96A5FEE925326D --mojo-platform-channel-handle=2652 --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=3F8218756464C6DCAE69E2F73FE0DD1B --mojo-platform-channel-handle=2844 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4856

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

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 be6ef7ee217641d9c1dddab1f49acbfd2f0604a5796ac50deb39a9d265429b4f
MD5 d34c5dede69478db2af6f6d4e8ae7c34
SHA1 b1330a8da633ba47548a000b9094564a7a4a6db6
SHA512 669d16836a117bd29065b8395cc62dd74bcc8444f078bc6ce4e1e81f466e16e8093756dcd8b5ed083e519a1abd23d4d22f10bb84e13d702251810e86e18d4fd6
SSDEEP 384:ye/dThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:6+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef
MD5 c26ed30e7d5ab440480838636efc41db
SHA1 c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591
SHA512 96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df
SSDEEP 192:xedRBsKhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:xe+KhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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memory/232-28-0x000000000A4C0000-0x000000000A4E1000-memory.dmp

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