e9352785f87a0b84e3ba21ab040f2598304ce96c0d7b6ce73fce55981739982f

Analysis

max time kernel
145s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
07/05/2024, 19:55

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General

Target
19371e0ce4ccb68f901235fca1d19950_NEIKI.pdf
Size 277KB
Sample240507-ynk6psch6s
SHA256 e9352785f87a0b84e3ba21ab040f2598304ce96c0d7b6ce73fce55981739982f
MD5 19371e0ce4ccb68f901235fca1d19950
SHA1 330fa159a6a0435ad45d9847f274a0ae95e75956
SHA512 cade2be1c02723af740e927c8d94bfd2a913c73bf21094a6fe1ad037e200edda63859f020c3a47b70e65105c10ffa7f4b3f2144419cbba2cab6c8e5e6a9a5c64
SSDEEP 3072:LtoWvtF1o9aVtmto8rzOdnwhMs4ss3M5suT8nQp04NEEC:LnvtF19ato82F8Js3m10QrvC
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-877519540-908060166-1852957295-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4928	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4928 wrote to memory of 1476	4928	AcroRd32.exe	87
PID 4928 wrote to memory of 1476	4928	AcroRd32.exe	87
PID 4928 wrote to memory of 1476	4928	AcroRd32.exe	87
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 5060	1476	RdrCEF.exe	88
PID 1476 wrote to memory of 4608	1476	RdrCEF.exe	89
PID 1476 wrote to memory of 4608	1476	RdrCEF.exe	89
PID 1476 wrote to memory of 4608	1476	RdrCEF.exe	89
PID 1476 wrote to memory of 4608	1476	RdrCEF.exe	89
PID 1476 wrote to memory of 4608	1476	RdrCEF.exe	89
PID 1476 wrote to memory of 4608	1476	RdrCEF.exe	89
PID 1476 wrote to memory of 4608	1476	RdrCEF.exe	89
PID 1476 wrote to memory of 4608	1476	RdrCEF.exe	89
PID 1476 wrote to memory of 4608	1476	RdrCEF.exe	89
PID 1476 wrote to memory of 4608	1476	RdrCEF.exe	89
PID 1476 wrote to memory of 4608	1476	RdrCEF.exe	89
PID 1476 wrote to memory of 4608	1476	RdrCEF.exe	89
PID 1476 wrote to memory of 4608	1476	RdrCEF.exe	89
PID 1476 wrote to memory of 4608	1476	RdrCEF.exe	89
PID 1476 wrote to memory of 4608	1476	RdrCEF.exe	89
PID 1476 wrote to memory of 4608	1476	RdrCEF.exe	89
PID 1476 wrote to memory of 4608	1476	RdrCEF.exe	89
PID 1476 wrote to memory of 4608	1476	RdrCEF.exe	89
PID 1476 wrote to memory of 4608	1476	RdrCEF.exe	89
PID 1476 wrote to memory of 4608	1476	RdrCEF.exe	89

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\19371e0ce4ccb68f901235fca1d19950_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:4928
- 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:1476
- - 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=BE4FF5D7139DFD94195FBA563BCDA2E8 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5060
- - 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=CCDAD6C44A288F46392D16C2B713C3AA --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=CCDAD6C44A288F46392D16C2B713C3AA --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4608
- - 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=52F5075435504A60EAFBD8CAC7A49856 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4720
- - 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=C8A438D4AE2A565C43637D292BC98132 --mojo-platform-channel-handle=1916 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2436
- - 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=F0DAF35CF89A1171412315A21C175C57 --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=F0DAF35CF89A1171412315A21C175C57 --renderer-client-id=6 --mojo-platform-channel-handle=2108 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1628
- - 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=2681385394FD7D1DA162FCC0C84C26E6 --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3940

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3628

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

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 d850084ac35661091b1d63a967ef1fab956df522b83953e3d938347c9c7cea1f
MD5 a8eb5a1cee58e34921975e6107165999
SHA1 2a5a6d50575779e96129623603ac8b626c898329
SHA512 35fadda98935032a8ea4c1baf4bc863b530aaae9a660f060f89ce2f987243a7053eee645961539a49af0dd46c49979579f7732a46517eeaba37ece8281c920d1
SSDEEP 384:yeHdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:C+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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