a6a8e5e4bfe585ddb9ec4372820dc7361db48748eeaa56610af67453d3a2ee87

Analysis

max time kernel
149s
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
09/01/2024, 15:37

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General

Target

4eb03a6fd55c164c70abefae24e601c6.pdf
Size

104KB
MD5

4eb03a6fd55c164c70abefae24e601c6
SHA1

4120bb1d7f71a6911a49146e2722a3c27e408f3e
SHA256

a6a8e5e4bfe585ddb9ec4372820dc7361db48748eeaa56610af67453d3a2ee87
SHA512

d1923a7ed34637b27463600eb55052cdfc848c58ec3c4098bbd5a15b753096270d781a87a22710152b004bd2851fecea595b738d46db780822934682743cf942
SSDEEP

1536:TYx0MiOanxHKnDP5SrMWPaQk46aQBkxdZ2WZ8MxrY2gTupWjGEdCWXpO/Sqk:C/axQz5BWPaQkcQEBJYfTuvEdy/C

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
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3480	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3480 wrote to memory of 1396	3480	AcroRd32.exe	92
PID 3480 wrote to memory of 1396	3480	AcroRd32.exe	92
PID 3480 wrote to memory of 1396	3480	AcroRd32.exe	92
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 5192	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 2284	1396	RdrCEF.exe	94
PID 1396 wrote to memory of 2284	1396	RdrCEF.exe	94
PID 1396 wrote to memory of 2284	1396	RdrCEF.exe	94
PID 1396 wrote to memory of 2284	1396	RdrCEF.exe	94
PID 1396 wrote to memory of 2284	1396	RdrCEF.exe	94
PID 1396 wrote to memory of 2284	1396	RdrCEF.exe	94
PID 1396 wrote to memory of 2284	1396	RdrCEF.exe	94
PID 1396 wrote to memory of 2284	1396	RdrCEF.exe	94
PID 1396 wrote to memory of 2284	1396	RdrCEF.exe	94
PID 1396 wrote to memory of 2284	1396	RdrCEF.exe	94
PID 1396 wrote to memory of 2284	1396	RdrCEF.exe	94
PID 1396 wrote to memory of 2284	1396	RdrCEF.exe	94
PID 1396 wrote to memory of 2284	1396	RdrCEF.exe	94
PID 1396 wrote to memory of 2284	1396	RdrCEF.exe	94
PID 1396 wrote to memory of 2284	1396	RdrCEF.exe	94
PID 1396 wrote to memory of 2284	1396	RdrCEF.exe	94
PID 1396 wrote to memory of 2284	1396	RdrCEF.exe	94
PID 1396 wrote to memory of 2284	1396	RdrCEF.exe	94
PID 1396 wrote to memory of 2284	1396	RdrCEF.exe	94
PID 1396 wrote to memory of 2284	1396	RdrCEF.exe	94

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\4eb03a6fd55c164c70abefae24e601c6.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:3480
- 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:1396
- - 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=3459E6D381367AF90567EF8C3E228D78 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5192
- - 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=6A912583C49376DD2C720E1741BF17A6 --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=6A912583C49376DD2C720E1741BF17A6 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2284
- - 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=6A86F0A88565BF25EB38A426822F6908 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2180
- - 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=CC8D77B2E4D13B93FFE36E2DB28B731E --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=CC8D77B2E4D13B93FFE36E2DB28B731E --renderer-client-id=5 --mojo-platform-channel-handle=2392 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1068
- - 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=BDBC951460D37F8CAE3599B43D6AB0A6 --mojo-platform-channel-handle=2600 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2584
- - 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=08EFEE7F3CC25661A7D070B6E8395CC8 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5980

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3492

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
878967f1dbe35ce78ede0375fa40d7fb

SHA1
8878af0cf0bd431f5f7920f76232759c883e2cf3

SHA256
7173263ef400bd7c1f8444fbe6028d03e3c083429cca4897c7f821458e31cbfb

SHA512
80e4b6e9abe054e07c167f3cae1bf81ee7e8ffcaa5a6732cc70357c7271d24231ee530aa7b328469db9a1a5773d9fbe699136da525b9a3ac9372975f71807e67

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