df1045063ee27a66efade2e16423f8469c2ef590b600e3b580674e2c0de299e9

Analysis

max time kernel
141s
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
03/02/2024, 14:30

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General

Target

8c911e1ec0caebbc1ace34aff7087a1a.pdf
Size

84KB
MD5

8c911e1ec0caebbc1ace34aff7087a1a
SHA1

9efc0f579aafde352e557ed5379f5480abdd0c89
SHA256

df1045063ee27a66efade2e16423f8469c2ef590b600e3b580674e2c0de299e9
SHA512

cb93e7332c7088d85e5ad08a5428488f3223c994db0fe40fafbf3c2339ae80b0b7d2e70b3e9a93b08676bea36ceabe05c9cf1c86c5632346d91790248dcb4142
SSDEEP

1536:rLfaxe1lm+fjsLlJxCGDebz9/c0531H5+y9WofFWYpO2+W10P8DkVrbR78ogTMJC:Pf/1lmyslJc1bx/c05Fo0Wofs2s4Wrb4

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
572	AcroRd32.exe
572	AcroRd32.exe
572	AcroRd32.exe
572	AcroRd32.exe
572	AcroRd32.exe
572	AcroRd32.exe
572	AcroRd32.exe
572	AcroRd32.exe
572	AcroRd32.exe
572	AcroRd32.exe
572	AcroRd32.exe
572	AcroRd32.exe
572	AcroRd32.exe
572	AcroRd32.exe
572	AcroRd32.exe
572	AcroRd32.exe
572	AcroRd32.exe
572	AcroRd32.exe
572	AcroRd32.exe
572	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
572	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
572	AcroRd32.exe
572	AcroRd32.exe
572	AcroRd32.exe
572	AcroRd32.exe
572	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 572 wrote to memory of 1652	572	AcroRd32.exe	85
PID 572 wrote to memory of 1652	572	AcroRd32.exe	85
PID 572 wrote to memory of 1652	572	AcroRd32.exe	85
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 1404	1652	RdrCEF.exe	86
PID 1652 wrote to memory of 3948	1652	RdrCEF.exe	87
PID 1652 wrote to memory of 3948	1652	RdrCEF.exe	87
PID 1652 wrote to memory of 3948	1652	RdrCEF.exe	87
PID 1652 wrote to memory of 3948	1652	RdrCEF.exe	87
PID 1652 wrote to memory of 3948	1652	RdrCEF.exe	87
PID 1652 wrote to memory of 3948	1652	RdrCEF.exe	87
PID 1652 wrote to memory of 3948	1652	RdrCEF.exe	87
PID 1652 wrote to memory of 3948	1652	RdrCEF.exe	87
PID 1652 wrote to memory of 3948	1652	RdrCEF.exe	87
PID 1652 wrote to memory of 3948	1652	RdrCEF.exe	87
PID 1652 wrote to memory of 3948	1652	RdrCEF.exe	87
PID 1652 wrote to memory of 3948	1652	RdrCEF.exe	87
PID 1652 wrote to memory of 3948	1652	RdrCEF.exe	87
PID 1652 wrote to memory of 3948	1652	RdrCEF.exe	87
PID 1652 wrote to memory of 3948	1652	RdrCEF.exe	87
PID 1652 wrote to memory of 3948	1652	RdrCEF.exe	87
PID 1652 wrote to memory of 3948	1652	RdrCEF.exe	87
PID 1652 wrote to memory of 3948	1652	RdrCEF.exe	87
PID 1652 wrote to memory of 3948	1652	RdrCEF.exe	87
PID 1652 wrote to memory of 3948	1652	RdrCEF.exe	87

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\8c911e1ec0caebbc1ace34aff7087a1a.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:572
- 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:1652
- - 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=F54F191B3128E8B7195BB3706EC76101 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1404
- - 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=2E2B6B1CA9181FB9CA4198C2221FBF91 --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=2E2B6B1CA9181FB9CA4198C2221FBF91 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3948
- - 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=15BCCDAA755CDD207FA4E2B9BA4FB18F --mojo-platform-channel-handle=2148 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4940
- - 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=BD926241497C06B931886BE2B089FA53 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4816
- - 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=2D4FDC9D761856A99DB85406A39514F5 --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=2D4FDC9D761856A99DB85406A39514F5 --renderer-client-id=6 --mojo-platform-channel-handle=1976 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1104
- - 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=FBA4265623921D4B387BF241F89F22B3 --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4104

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:536

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
d6ff37e41887d194d1a5f10c4ed483de

SHA1
e23e5061290989b750e2240664026f7fa1593f3a

SHA256
0e68f7d8957c9d06a784ed0cbaac1c3e24bc270f3f66adc4390185a6ce310a14

SHA512
0c97391b88ab4402698fb9b4701fa4924ed0572d90cf85486d928d71dde268d6b578129f461af3a136c5d63a8ea18fa248c4cb3bf3f3a509890c085f864fee94

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/572-26-0x000000000AF30000-0x000000000AF80000-memory.dmp

Filesize
320KB

Download