89de6fa769e8bc342bb102363936313fe61f0e5f50be9b3fcdb62bff508ce6e8

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01-02-2024 23:01

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General

Target

87e4b0fe1a10166eeb33cad4e3e5d5b2.pdf
Size

85KB
MD5

87e4b0fe1a10166eeb33cad4e3e5d5b2
SHA1

19820ef1fd45b66075699fc3447e47b84d7d96ef
SHA256

89de6fa769e8bc342bb102363936313fe61f0e5f50be9b3fcdb62bff508ce6e8
SHA512

29380828b9533dbcb59f682c403960a5bbdb548637dd1838b1ce1e2eca5cec62f904744b5ac7549d0455ee3d4595adc4bcbcea12810e19f0e40f49c79121e139
SSDEEP

1536:fXAkTl0haw2NLRtt2mv5EjZaj/H0gR+wbrKyfyljUgWypOlWWxCp2dYfYGVNYO:vAaLNLRtImvmV7gR+wbzKljUBlDCQKY+

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1820	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 224	1820	AcroRd32.exe	86
PID 1820 wrote to memory of 224	1820	AcroRd32.exe	86
PID 1820 wrote to memory of 224	1820	AcroRd32.exe	86
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 4512	224	RdrCEF.exe	88
PID 224 wrote to memory of 3536	224	RdrCEF.exe	89
PID 224 wrote to memory of 3536	224	RdrCEF.exe	89
PID 224 wrote to memory of 3536	224	RdrCEF.exe	89
PID 224 wrote to memory of 3536	224	RdrCEF.exe	89
PID 224 wrote to memory of 3536	224	RdrCEF.exe	89
PID 224 wrote to memory of 3536	224	RdrCEF.exe	89
PID 224 wrote to memory of 3536	224	RdrCEF.exe	89
PID 224 wrote to memory of 3536	224	RdrCEF.exe	89
PID 224 wrote to memory of 3536	224	RdrCEF.exe	89
PID 224 wrote to memory of 3536	224	RdrCEF.exe	89
PID 224 wrote to memory of 3536	224	RdrCEF.exe	89
PID 224 wrote to memory of 3536	224	RdrCEF.exe	89
PID 224 wrote to memory of 3536	224	RdrCEF.exe	89
PID 224 wrote to memory of 3536	224	RdrCEF.exe	89
PID 224 wrote to memory of 3536	224	RdrCEF.exe	89
PID 224 wrote to memory of 3536	224	RdrCEF.exe	89
PID 224 wrote to memory of 3536	224	RdrCEF.exe	89
PID 224 wrote to memory of 3536	224	RdrCEF.exe	89
PID 224 wrote to memory of 3536	224	RdrCEF.exe	89
PID 224 wrote to memory of 3536	224	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\87e4b0fe1a10166eeb33cad4e3e5d5b2.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:1820
- 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:224
- - 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=56C04F17682CB6B8F0E72E364D4FF071 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4512
- - 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=32145BA1934006EC30117D7B65299EDE --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=32145BA1934006EC30117D7B65299EDE --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3536
- - 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=8BB5CF016E72618D52DE507FADEF761D --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3988
- - 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=54D2D95CFC5D6C314BB48DE2473652DC --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=54D2D95CFC5D6C314BB48DE2473652DC --renderer-client-id=5 --mojo-platform-channel-handle=2404 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3044
- - 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=DE8CE3C40FD6A03B8F698F8701BD97AA --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:776
- - 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=B44D36F8B26E4186AD9C629F24A76A02 --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2916

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4368

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
0879d988dab61297e919bf0d3a8e682e

SHA1
c214901b7c4529b5e999b6a30cef5360aff6c2a3

SHA256
17f90167f3215e548b0fbc0915d4268f30d5d556e734736a01b6305ee7fbd0e7

SHA512
ce2d32a606a396949519ad61863e190d4ee8d6318c6d0cec31848c47643fefdbd37adc19aba7185549e77468ed406879860d2fc0b0a240f21bfdaa60ac32a3f6

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/1820-28-0x000000000BA30000-0x000000000BA51000-memory.dmp

Filesize
132KB

Download