f7d21a35f36437d1a3bbcd2bcd8466b9b686fb0fe2bcb911c84e08102002d987

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2023 23:08

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General

Target

068378c9d9ca1090dc72ff5a1e41ae78.pdf
Size

35KB
MD5

068378c9d9ca1090dc72ff5a1e41ae78
SHA1

76198a5983a275ab4d08e9d8d8ebd7ed52f385eb
SHA256

f7d21a35f36437d1a3bbcd2bcd8466b9b686fb0fe2bcb911c84e08102002d987
SHA512

47a780352fce9efa21506edc97a781ef0af5fedc13db96de768422b071e03f284b4aae57e125894a9e66a2d0e6453c15c89cb39ac2e395f4f3da7a4e54a08f62
SSDEEP

768:cgGzpDQbpslFq6LQ7217ZENaSDefXn1BWlXqJJafzrCZY54W7Bh6:5GFopYGefHvsmY54WD6

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4092 wrote to memory of 3220	4092	AcroRd32.exe	91
PID 4092 wrote to memory of 3220	4092	AcroRd32.exe	91
PID 4092 wrote to memory of 3220	4092	AcroRd32.exe	91
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 2956	3220	RdrCEF.exe	92
PID 3220 wrote to memory of 5052	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 5052	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 5052	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 5052	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 5052	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 5052	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 5052	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 5052	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 5052	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 5052	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 5052	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 5052	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 5052	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 5052	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 5052	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 5052	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 5052	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 5052	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 5052	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 5052	3220	RdrCEF.exe	93

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\068378c9d9ca1090dc72ff5a1e41ae78.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4092
- 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:3220
- - 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=6E68E2310734903AF9D1092488234AFF --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2956
- - 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=F0A3415FDFF2D72E420DB62BB3CB9199 --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=F0A3415FDFF2D72E420DB62BB3CB9199 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5052
- - 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=0993ADAC93646927155BED2971D0E76E --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=331F1759CE5F1BEA90E9A12650703B4E --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4696
- - 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=A5BA309307A4AC8F9F4252D70EE50511 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2948

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1896

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
e361fd11be60c37fff406a65a6525dad

SHA1
000fa8340f65afe1f9580dd840d5c21f916e3798

SHA256
3c88df6efba01bea6e8b9d23e3fa347f905890a51d3327ca2027030f52086e64

SHA512
2099d3c1288075805ea3ade79ccd112d7f22bf39a1e96bcac3637528c664f3d0d7335104f1045ba6d94c42301920a80819a71970923b79f775c46566fd2a427d

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