0243c1dcb574e97de3f53e0ec777933cd0b2c0c2672e1ba9628e20217a7829d6

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2024, 01:08

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General

Target

aa9d70f5fead40073586483d8b90b874.pdf
Size

80KB
MD5

aa9d70f5fead40073586483d8b90b874
SHA1

12eb737bee440334f05fa85f56693dece25f840e
SHA256

0243c1dcb574e97de3f53e0ec777933cd0b2c0c2672e1ba9628e20217a7829d6
SHA512

35a873180ec5c8a4cb9b4c25ff5da2b4f5f2b659a4c0273b0b1e20f81b82396093cb4000135b4836dcf597cacc923df47719cf64338238c66f5f8dd224d70a6c
SSDEEP

1536:VZTRfSEQmQwBmjnApNhK4C9NLRTPO4BflR+w39SQOq9rPvH4WTHr5vWd/hiWGpOg:bRfmwgjcPKZNLRRBtR+c9SJq9bHjrp+0

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-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2480	AcroRd32.exe
2480	AcroRd32.exe
2480	AcroRd32.exe
2480	AcroRd32.exe
2480	AcroRd32.exe
2480	AcroRd32.exe
2480	AcroRd32.exe
2480	AcroRd32.exe
2480	AcroRd32.exe
2480	AcroRd32.exe
2480	AcroRd32.exe
2480	AcroRd32.exe
2480	AcroRd32.exe
2480	AcroRd32.exe
2480	AcroRd32.exe
2480	AcroRd32.exe
2480	AcroRd32.exe
2480	AcroRd32.exe
2480	AcroRd32.exe
2480	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2480	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2480	AcroRd32.exe
2480	AcroRd32.exe
2480	AcroRd32.exe
2480	AcroRd32.exe
2480	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2480 wrote to memory of 1844	2480	AcroRd32.exe	93
PID 2480 wrote to memory of 1844	2480	AcroRd32.exe	93
PID 2480 wrote to memory of 1844	2480	AcroRd32.exe	93
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 4124	1844	RdrCEF.exe	94
PID 1844 wrote to memory of 1336	1844	RdrCEF.exe	95
PID 1844 wrote to memory of 1336	1844	RdrCEF.exe	95
PID 1844 wrote to memory of 1336	1844	RdrCEF.exe	95
PID 1844 wrote to memory of 1336	1844	RdrCEF.exe	95
PID 1844 wrote to memory of 1336	1844	RdrCEF.exe	95
PID 1844 wrote to memory of 1336	1844	RdrCEF.exe	95
PID 1844 wrote to memory of 1336	1844	RdrCEF.exe	95
PID 1844 wrote to memory of 1336	1844	RdrCEF.exe	95
PID 1844 wrote to memory of 1336	1844	RdrCEF.exe	95
PID 1844 wrote to memory of 1336	1844	RdrCEF.exe	95
PID 1844 wrote to memory of 1336	1844	RdrCEF.exe	95
PID 1844 wrote to memory of 1336	1844	RdrCEF.exe	95
PID 1844 wrote to memory of 1336	1844	RdrCEF.exe	95
PID 1844 wrote to memory of 1336	1844	RdrCEF.exe	95
PID 1844 wrote to memory of 1336	1844	RdrCEF.exe	95
PID 1844 wrote to memory of 1336	1844	RdrCEF.exe	95
PID 1844 wrote to memory of 1336	1844	RdrCEF.exe	95
PID 1844 wrote to memory of 1336	1844	RdrCEF.exe	95
PID 1844 wrote to memory of 1336	1844	RdrCEF.exe	95
PID 1844 wrote to memory of 1336	1844	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\aa9d70f5fead40073586483d8b90b874.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:2480
- 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:1844
- - 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=D2EEDFF4C14BD8E795B62F5B5363EDA4 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4124
- - 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=71ECC7F7865DFD6106792B681366864D --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=71ECC7F7865DFD6106792B681366864D --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1336
- - 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=501C1E562F5FFE067C994347D1248B7C --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:876
- - 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=972310333854690C7F5DAA8103B68D8D --mojo-platform-channel-handle=2360 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3296
- - 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=1BBFC4FD06EA77BC3752E819B2290FDA --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=1BBFC4FD06EA77BC3752E819B2290FDA --renderer-client-id=6 --mojo-platform-channel-handle=1912 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:432
- - 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=0E4FEE30CB2F52DB2E59433A0F0F3842 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2668

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3692

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
677424f15452ed2ca5a5fcd0fe9b34d5

SHA1
e55c4edc7e52366db4a110984c2e06f35c867423

SHA256
1bbead05e4b1fe798807bfa34bd388a8a744b501e0855b84d4e60e8a1ce78074

SHA512
fee2da1d3b3d0959500e0c9343189f77ea10607b9a996a2d671dfbb6ecc6f08dabcdf68fa3fb16ca4716e769d60a01c81089ce28c15a2a02b9c157ce00648c42

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
memory/2480-27-0x000000000BAD0000-0x000000000BAF1000-memory.dmp

Filesize
132KB

Download