d9ec6f87486fcae6c799bbd30147d36a28f3f4917dffe78c246935b021869b86

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
26-01-2024 02:53

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General

Target

7631fe696a27a9e511ce18929518cadb.pdf
Size

102KB
MD5

7631fe696a27a9e511ce18929518cadb
SHA1

b28fce7d897f43ae4d5bb3d324c52236db905550
SHA256

d9ec6f87486fcae6c799bbd30147d36a28f3f4917dffe78c246935b021869b86
SHA512

f0992330b34ec1d375fc98f58dbceca17fae331b33eb99221b8e629136633e107f55c07cd25129d23b31e75ecb9cc168bb41e6c3d65368361e7a54d6c9367f55
SSDEEP

3072:eKYP2T52fvJ0Ge3OXJbQQ/Xlu9/Xo2jLW5:eKC2TyzZbQ9c

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1668	AcroRd32.exe
1668	AcroRd32.exe
1668	AcroRd32.exe
1668	AcroRd32.exe
1668	AcroRd32.exe
1668	AcroRd32.exe
1668	AcroRd32.exe
1668	AcroRd32.exe
1668	AcroRd32.exe
1668	AcroRd32.exe
1668	AcroRd32.exe
1668	AcroRd32.exe
1668	AcroRd32.exe
1668	AcroRd32.exe
1668	AcroRd32.exe
1668	AcroRd32.exe
1668	AcroRd32.exe
1668	AcroRd32.exe
1668	AcroRd32.exe
1668	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1668	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1668	AcroRd32.exe
1668	AcroRd32.exe
1668	AcroRd32.exe
1668	AcroRd32.exe
1668	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 1496	1668	AcroRd32.exe	91
PID 1668 wrote to memory of 1496	1668	AcroRd32.exe	91
PID 1668 wrote to memory of 1496	1668	AcroRd32.exe	91
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 884	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 2040	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 2040	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 2040	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 2040	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 2040	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 2040	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 2040	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 2040	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 2040	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 2040	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 2040	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 2040	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 2040	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 2040	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 2040	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 2040	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 2040	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 2040	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 2040	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 2040	1496	RdrCEF.exe	95

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\7631fe696a27a9e511ce18929518cadb.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:1668
- 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:1496
- - 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=4F54C54B9E4D33AF91860500D38167C1 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:884
- - 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=46997926E83C94C88C9C7CA425DFB872 --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=46997926E83C94C88C9C7CA425DFB872 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2040
- - 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=2E4DD971D42A9AB25AC337F6CB56ADCC --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3788
- - 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=9BE1D2C2C16A1E49310FEE79BC97A8F3 --mojo-platform-channel-handle=1820 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2012
- - 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=4BAFA01378C7D6EA118A8F4FE961CDC8 --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=4BAFA01378C7D6EA118A8F4FE961CDC8 --renderer-client-id=6 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3284
- - 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=73976842688E38C4E22BA86301E75AEC --mojo-platform-channel-handle=2376 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4832

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2052

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
4d6203f459aa6fabdf2a3e4b34e384db

SHA1
f9fc80ba90e0b4cdf39db563733679d115353df0

SHA256
b99522c629868029c2265b342aaae999da1b8313ab5b89a660f3eedcf8b71cca

SHA512
570173ee87006bc2ffb4ad55f6a8917e6accf413ff846f9dc6f447f6c01491bd0d7ff9f4f54959f08d643548f5440b8d80d33822d3e8df30eec5f522f1fe98d6

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