98a6793ea43b69be39c016e38e0090e92185670c525a0599c488e3ba1d253cf1

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 13:04

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General

Target

a1ec917d38ceaa8873b72f38a6d61991.pdf
Size

84KB
MD5

a1ec917d38ceaa8873b72f38a6d61991
SHA1

b3b652238e54031ac6b45de8f06d414a6c9cf277
SHA256

98a6793ea43b69be39c016e38e0090e92185670c525a0599c488e3ba1d253cf1
SHA512

aae26a5aef76587c2a40229f381b4019cae4bb45d5811a6c92085b7bd3feb45954bf179ec0d6aa9b2199130d5f9e0a0512abb30064ebebf8955dff2b014878a3
SSDEEP

1536:5RTCYTaLLu7JcEga8EIKlya1eLoO6nROTbja4X8pkWA2Q/cl:XlaOGEg2IK4oO6nsHjWym

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-1-5-21-3054445511-921769590-4013668107-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4448	AcroRd32.exe
4448	AcroRd32.exe
4448	AcroRd32.exe
4448	AcroRd32.exe
4448	AcroRd32.exe
4448	AcroRd32.exe
4448	AcroRd32.exe
4448	AcroRd32.exe
4448	AcroRd32.exe
4448	AcroRd32.exe
4448	AcroRd32.exe
4448	AcroRd32.exe
4448	AcroRd32.exe
4448	AcroRd32.exe
4448	AcroRd32.exe
4448	AcroRd32.exe
4448	AcroRd32.exe
4448	AcroRd32.exe
4448	AcroRd32.exe
4448	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4448	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4448	AcroRd32.exe
4448	AcroRd32.exe
4448	AcroRd32.exe
4448	AcroRd32.exe
4448	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4448 wrote to memory of 3568	4448	AcroRd32.exe	92
PID 4448 wrote to memory of 3568	4448	AcroRd32.exe	92
PID 4448 wrote to memory of 3568	4448	AcroRd32.exe	92
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 4992	3568	RdrCEF.exe	93
PID 3568 wrote to memory of 5092	3568	RdrCEF.exe	94
PID 3568 wrote to memory of 5092	3568	RdrCEF.exe	94
PID 3568 wrote to memory of 5092	3568	RdrCEF.exe	94
PID 3568 wrote to memory of 5092	3568	RdrCEF.exe	94
PID 3568 wrote to memory of 5092	3568	RdrCEF.exe	94
PID 3568 wrote to memory of 5092	3568	RdrCEF.exe	94
PID 3568 wrote to memory of 5092	3568	RdrCEF.exe	94
PID 3568 wrote to memory of 5092	3568	RdrCEF.exe	94
PID 3568 wrote to memory of 5092	3568	RdrCEF.exe	94
PID 3568 wrote to memory of 5092	3568	RdrCEF.exe	94
PID 3568 wrote to memory of 5092	3568	RdrCEF.exe	94
PID 3568 wrote to memory of 5092	3568	RdrCEF.exe	94
PID 3568 wrote to memory of 5092	3568	RdrCEF.exe	94
PID 3568 wrote to memory of 5092	3568	RdrCEF.exe	94
PID 3568 wrote to memory of 5092	3568	RdrCEF.exe	94
PID 3568 wrote to memory of 5092	3568	RdrCEF.exe	94
PID 3568 wrote to memory of 5092	3568	RdrCEF.exe	94
PID 3568 wrote to memory of 5092	3568	RdrCEF.exe	94
PID 3568 wrote to memory of 5092	3568	RdrCEF.exe	94
PID 3568 wrote to memory of 5092	3568	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\a1ec917d38ceaa8873b72f38a6d61991.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:4448
- 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:3568
- - 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=7E58ACBC2F40F1E1B9C655A791AB6D76 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4992
- - 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=025D64915D92CA7105508067B817A794 --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=025D64915D92CA7105508067B817A794 --renderer-client-id=2 --mojo-platform-channel-handle=1772 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5092
- - 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=489351DF12D35FB08A15E1E456DE885E --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4144
- - 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=E5A3598C37B2C8D57B2CB7C922706BE0 --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=E5A3598C37B2C8D57B2CB7C922706BE0 --renderer-client-id=5 --mojo-platform-channel-handle=1804 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3536
- - 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=33E5D5442215741AA2333C58D23519EF --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3912
- - 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=E967720CFAB83E90A554381F149778CE --mojo-platform-channel-handle=2224 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3132

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:748

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
fd19ec37b5a942e9e97bf90219a62d6b

SHA1
fa11498380b1f1e76a39edc260018f56a9291e9e

SHA256
60f8070c97a20d8d82005ac46522cd047e20b582391247ef50db37f264a3bd8a

SHA512
d690a237a8c7c3bd670fd7b6578c8f944af199b1fd4ac440620c47efa3dd8fc5eebf0902e05dd64821797729aa9d6f63232aadc012dd4cbf855349718f42544b

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