11816d1b48f0f3374592d9764a0948bb7ded6a8bf5dde2f4a56779d573804258

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
23-02-2024 23:35

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General

Target

a0a3a463d92fc7012625921ef436430f.pdf
Size

85KB
MD5

a0a3a463d92fc7012625921ef436430f
SHA1

dfb720a708a4302d41f995a30d2db50946d6dd48
SHA256

11816d1b48f0f3374592d9764a0948bb7ded6a8bf5dde2f4a56779d573804258
SHA512

f14cb265a9a2ffa2a1e6ac6b4f223c8d013bd4eda18213bb1f3aff15386627cf509132457de17c2207ec9535c1100d978762af471f1dc4fc6b6e7bf62cd6ad01
SSDEEP

1536:2SNOvvf+2Ys3pmmmw7Cza1HrtxXBIii3UW+06EDW/EQou/HW6pOu2vv1Ed2:Pgv+2YMbrzXe3U/NEvPu/cu2vv1F

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-1-5-21-3316742141-2240921845-2885234760-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1324	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1324 wrote to memory of 1072	1324	AcroRd32.exe	92
PID 1324 wrote to memory of 1072	1324	AcroRd32.exe	92
PID 1324 wrote to memory of 1072	1324	AcroRd32.exe	92
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 1428	1072	RdrCEF.exe	94
PID 1072 wrote to memory of 3428	1072	RdrCEF.exe	93
PID 1072 wrote to memory of 3428	1072	RdrCEF.exe	93
PID 1072 wrote to memory of 3428	1072	RdrCEF.exe	93
PID 1072 wrote to memory of 3428	1072	RdrCEF.exe	93
PID 1072 wrote to memory of 3428	1072	RdrCEF.exe	93
PID 1072 wrote to memory of 3428	1072	RdrCEF.exe	93
PID 1072 wrote to memory of 3428	1072	RdrCEF.exe	93
PID 1072 wrote to memory of 3428	1072	RdrCEF.exe	93
PID 1072 wrote to memory of 3428	1072	RdrCEF.exe	93
PID 1072 wrote to memory of 3428	1072	RdrCEF.exe	93
PID 1072 wrote to memory of 3428	1072	RdrCEF.exe	93
PID 1072 wrote to memory of 3428	1072	RdrCEF.exe	93
PID 1072 wrote to memory of 3428	1072	RdrCEF.exe	93
PID 1072 wrote to memory of 3428	1072	RdrCEF.exe	93
PID 1072 wrote to memory of 3428	1072	RdrCEF.exe	93
PID 1072 wrote to memory of 3428	1072	RdrCEF.exe	93
PID 1072 wrote to memory of 3428	1072	RdrCEF.exe	93
PID 1072 wrote to memory of 3428	1072	RdrCEF.exe	93
PID 1072 wrote to memory of 3428	1072	RdrCEF.exe	93
PID 1072 wrote to memory of 3428	1072	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\a0a3a463d92fc7012625921ef436430f.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:1324
- 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:1072
- - 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=781E1BCA32F0F2BDFCCE7121542C1858 --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=781E1BCA32F0F2BDFCCE7121542C1858 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3428
- - 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=CD41CD6FBD67848B763979CBEC1C378E --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1428
- - 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=DD5E7B3AF3120036739F53B01E73B28A --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2396
- - 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=9377A04B0DF8790ED646004EB0C83200 --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3872
- - 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=C2FBE656BDA80B06AF5044DC86D7D6A6 --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:612
- - 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=C8F536BAA3F5EEDD8E2F6729315DE533 --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=C8F536BAA3F5EEDD8E2F6729315DE533 --renderer-client-id=7 --mojo-platform-channel-handle=2468 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2444

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2220

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
b0a26b6b610d4402071306126bddf7ea

SHA1
fd49d076cb042dbf55fb98595b95c8d95037a4bf

SHA256
86e687f4f68c04f0a1d52f160013f65cf63b8eeb557a6074f9bc7c078aa304c3

SHA512
0357fe8ef83019943d9ee47b9e5828979f6b973fc31a2e1c333b81b0350c3451c79bc6c72ab8258ed4182e1c2edd6c899924293af018366de7a6725945ccedbc

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