717b4fda8bcb7b77e792b7ade45d368226c491c19cef8a2ed3f7ae6c814fd273

Analysis

max time kernel
142s
max time network
137s
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, 00:54

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General

Target

667a51c89e56f49b35a60b3d88720694.pdf
Size

89KB
MD5

667a51c89e56f49b35a60b3d88720694
SHA1

ac9cb7b682f2234ef61e2f1f632fe5304ef11a38
SHA256

717b4fda8bcb7b77e792b7ade45d368226c491c19cef8a2ed3f7ae6c814fd273
SHA512

c963bbad281b500d051242aa1e2e56fdbfbcefc700cb97f072b3c75937af3ff6e1c7af914630e4e39178ea34534fdef187a111fc7da5150cd0281f8d289ed038
SSDEEP

1536:nwRcKIlMPTTvBgyiAQuMX2Oj4W7yv7p0RCIcjHPWjVlYlW2N0GGo7xW8pO7smd:wRcKISrGnueX44sp00IivWzYYK7o7x

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1972	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 856	1972	AcroRd32.exe	92
PID 1972 wrote to memory of 856	1972	AcroRd32.exe	92
PID 1972 wrote to memory of 856	1972	AcroRd32.exe	92
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3344	856	RdrCEF.exe	94
PID 856 wrote to memory of 3780	856	RdrCEF.exe	93
PID 856 wrote to memory of 3780	856	RdrCEF.exe	93
PID 856 wrote to memory of 3780	856	RdrCEF.exe	93
PID 856 wrote to memory of 3780	856	RdrCEF.exe	93
PID 856 wrote to memory of 3780	856	RdrCEF.exe	93
PID 856 wrote to memory of 3780	856	RdrCEF.exe	93
PID 856 wrote to memory of 3780	856	RdrCEF.exe	93
PID 856 wrote to memory of 3780	856	RdrCEF.exe	93
PID 856 wrote to memory of 3780	856	RdrCEF.exe	93
PID 856 wrote to memory of 3780	856	RdrCEF.exe	93
PID 856 wrote to memory of 3780	856	RdrCEF.exe	93
PID 856 wrote to memory of 3780	856	RdrCEF.exe	93
PID 856 wrote to memory of 3780	856	RdrCEF.exe	93
PID 856 wrote to memory of 3780	856	RdrCEF.exe	93
PID 856 wrote to memory of 3780	856	RdrCEF.exe	93
PID 856 wrote to memory of 3780	856	RdrCEF.exe	93
PID 856 wrote to memory of 3780	856	RdrCEF.exe	93
PID 856 wrote to memory of 3780	856	RdrCEF.exe	93
PID 856 wrote to memory of 3780	856	RdrCEF.exe	93
PID 856 wrote to memory of 3780	856	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\667a51c89e56f49b35a60b3d88720694.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:1972
- 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:856
- - 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=9366FC98ED3E2BB11E22B1E98078BF74 --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=9366FC98ED3E2BB11E22B1E98078BF74 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3780
- - 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=791888DA04096E751F109E6FC018D938 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3344
- - 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=4C2D2F68130562B598FE36832E2E6134 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1732
- - 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=9F1E32B30600415C6978C99F498BCE17 --mojo-platform-channel-handle=1848 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2072
- - 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=51EF14C38A0F040DBBB7F97F2F54BF3E --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=51EF14C38A0F040DBBB7F97F2F54BF3E --renderer-client-id=6 --mojo-platform-channel-handle=2380 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2616
- - 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=8A1560B6A825D8F6DF053BD7A1D16BBB --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:756

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3024

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
34KB

MD5
a9ce9ee83d5a81dda8c0587b054914ec

SHA1
be902483a4640924875f78bc13cf43c60c988251

SHA256
a3f0d2e19091d6bd319974037fc7800b721cb22b8f264dcde6ee169e072c810e

SHA512
4ee34c80c967d6d137120531a7f5bc8e10af1cabc5c455c8e2fc74373859347bcb0963821045dc7a0e82b630ab645533f63017cbfafd11b780abe11485fa4efc

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
1KB

MD5
780d775f2ec016b80738845302097492

SHA1
6840d4ba8b1536babb0d718879faacd8c08465fe

SHA256
7014da4feddc633c8e710f6699ae186367131fcf8d7d3af4fb2d5bd82357c2f6

SHA512
554551610093c9f8cfa5010e0e36823567546b0ea1086faa28806aa74587f11b072cc736cacdd5d8ada9db78b029779a4940a3f8e0eddcc2d9a1d16585a76924

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit