fa8b6aac021a026aac831989caace530e285387b27c82dc2a4a15b81365729ad

Analysis

max time kernel
146s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
15/04/2024, 04:52

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General

Target

fa8b6aac021a026aac831989caace530e285387b27c82dc2a4a15b81365729ad.pdf
Size

2.5MB
MD5

b64e37463e588e15f9413e8a3a31da19
SHA1

bd0dd6366abc242d81d452012c9bfc2620037898
SHA256

fa8b6aac021a026aac831989caace530e285387b27c82dc2a4a15b81365729ad
SHA512

eced7eff1ba3025682c38783f734c95ccfb64a7620aea2acfa7082e5b4947334f6475d41184fbe6f29112e33f9fdb80832255e97ab4461e88a805b0ab62a46bb
SSDEEP

24576:OkGPW2xDHQxjwPps971bPU54ZyilSEOn0V+UA56EBKojMal2DLu5MQcNvNO1HzJ:O6RAi9dPU54Zyil5+04UfHlUSLdPwHzJ

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-1-5-21-553605503-2331009851-2137262461-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1968	AcroRd32.exe
1968	AcroRd32.exe
1968	AcroRd32.exe
1968	AcroRd32.exe
1968	AcroRd32.exe
1968	AcroRd32.exe
1968	AcroRd32.exe
1968	AcroRd32.exe
1968	AcroRd32.exe
1968	AcroRd32.exe
1968	AcroRd32.exe
1968	AcroRd32.exe
1968	AcroRd32.exe
1968	AcroRd32.exe
1968	AcroRd32.exe
1968	AcroRd32.exe
1968	AcroRd32.exe
1968	AcroRd32.exe
1968	AcroRd32.exe
1968	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1968	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1968	AcroRd32.exe
1968	AcroRd32.exe
1968	AcroRd32.exe
1968	AcroRd32.exe
1968	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 2832	1968	AcroRd32.exe	92
PID 1968 wrote to memory of 2832	1968	AcroRd32.exe	92
PID 1968 wrote to memory of 2832	1968	AcroRd32.exe	92
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 4800	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 1028	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 1028	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 1028	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 1028	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 1028	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 1028	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 1028	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 1028	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 1028	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 1028	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 1028	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 1028	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 1028	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 1028	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 1028	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 1028	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 1028	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 1028	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 1028	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 1028	2832	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\fa8b6aac021a026aac831989caace530e285387b27c82dc2a4a15b81365729ad.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:1968
- 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:2832
- - 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=A3954AA6F6746F158B7BB69BE2F5958D --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4800
- - 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=61DE3B4BC54F0B9CC8F1C3E89FAC738E --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=61DE3B4BC54F0B9CC8F1C3E89FAC738E --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1028
- - 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=79E81E2A9F9D852D6D590658326260F4 --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=79E81E2A9F9D852D6D590658326260F4 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5108
- - 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=9924795FABC5C4984DE180573081CFBE --mojo-platform-channel-handle=2344 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2264
- - 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=ED2DB4BCF9F63010F2D3C633EC396D62 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1680
- - 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=0A7877F5A8E9A15F397ECD1E83080E4E --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1620

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4668

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
93bb7ef6b123ee03ec7db9df073e3150

SHA1
ed831547bc243d9d224942491315888939c31fad

SHA256
68336003bad66269f194b3e607e6a622c8b7ea0d59bdc232ca802c6128a504b8

SHA512
84dbdf971f95a7497d9c5e9febefacd04518c8a622e81c58245c6c6fb91e29d1fcb28c0485a148e24878e46c92aef4f422c1093fbb96b42643ff2db72f09122a

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