16d787a6533a2ccfbcf51d75ff1268caf4a2a7943a6aae555df6641eae95014e

Analysis

max time kernel
93s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
08-05-2024 20:49

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General

Target

4a9bdd460d9db78bd702ab6d0d6a3f40_NEIKI.pdf
Size

83KB
MD5

4a9bdd460d9db78bd702ab6d0d6a3f40
SHA1

320b0697706fd78e87363a503957ddd4249cf2ee
SHA256

16d787a6533a2ccfbcf51d75ff1268caf4a2a7943a6aae555df6641eae95014e
SHA512

ad7ea950fba4278e8484ddb8ea549f9b6eb58479bcde56c90efc3343afc17e58b25fafc49ee2284ffe69c7a32b73c2f0b8e9e801f68ddda344700437a25f00f7
SSDEEP

1536:Cjt/lwgzVD/2A2rNt+svs5H8/LHzfBt+oM20XTaAKqFtYgdzr6IgHYbvfKGy3:otNFVQNttEH8jHz02EaAKqFtYg56IgYY

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-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4244	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4244 wrote to memory of 4296	4244	AcroRd32.exe	78
PID 4244 wrote to memory of 4296	4244	AcroRd32.exe	78
PID 4244 wrote to memory of 4296	4244	AcroRd32.exe	78
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 1816	4296	RdrCEF.exe	79
PID 4296 wrote to memory of 428	4296	RdrCEF.exe	80
PID 4296 wrote to memory of 428	4296	RdrCEF.exe	80
PID 4296 wrote to memory of 428	4296	RdrCEF.exe	80
PID 4296 wrote to memory of 428	4296	RdrCEF.exe	80
PID 4296 wrote to memory of 428	4296	RdrCEF.exe	80
PID 4296 wrote to memory of 428	4296	RdrCEF.exe	80
PID 4296 wrote to memory of 428	4296	RdrCEF.exe	80
PID 4296 wrote to memory of 428	4296	RdrCEF.exe	80
PID 4296 wrote to memory of 428	4296	RdrCEF.exe	80
PID 4296 wrote to memory of 428	4296	RdrCEF.exe	80
PID 4296 wrote to memory of 428	4296	RdrCEF.exe	80
PID 4296 wrote to memory of 428	4296	RdrCEF.exe	80
PID 4296 wrote to memory of 428	4296	RdrCEF.exe	80
PID 4296 wrote to memory of 428	4296	RdrCEF.exe	80
PID 4296 wrote to memory of 428	4296	RdrCEF.exe	80
PID 4296 wrote to memory of 428	4296	RdrCEF.exe	80
PID 4296 wrote to memory of 428	4296	RdrCEF.exe	80
PID 4296 wrote to memory of 428	4296	RdrCEF.exe	80
PID 4296 wrote to memory of 428	4296	RdrCEF.exe	80
PID 4296 wrote to memory of 428	4296	RdrCEF.exe	80

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\4a9bdd460d9db78bd702ab6d0d6a3f40_NEIKI.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:4244
- 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:4296
- - 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=A125E7D677F1C1B7E1DDC5A496240E82 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1816
- - 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=BFFEAAC8F5AF299EE289A6BFC9EE29E5 --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=BFFEAAC8F5AF299EE289A6BFC9EE29E5 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:428
- - 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=8B4541AC754EED535C46BAC573C4F529 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:852
- - 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=C3E09461764E13EB292F50E7A8FAE96F --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=C3E09461764E13EB292F50E7A8FAE96F --renderer-client-id=5 --mojo-platform-channel-handle=1816 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2308
- - 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=D92D808DB33125210CBC3C4683C7BB5A --mojo-platform-channel-handle=2452 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2748
- - 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=EACE22C97E9B8DEAF6F56417891454B5 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1764

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:792

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
bfe63c4313e5afeba9491a2530d768d5

SHA1
dd130379f8551facb2d4a4f6a2bbca1259745b83

SHA256
a7cc77cfac79c749afb0c29ba702a7c69a0e1e4b1b7b575d91f784f09eead9e9

SHA512
55f5017d07a16828b1911efc214d125ce2cd59a84cf420f69a8d5bb86906dfb21a3bf39e8f427f5f19dcdf055db264b37ffcb69abf765cbcba4c7a91ab4519a4

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