12c81eae6c4782b5bfdd8d170204f4694938c02a51396f859ae6cb70d8ccd037

Analysis

max time kernel
154s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
28/12/2023, 21:02

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General

Target

f7f521c83252960b95e758c2c5dfabbb.pdf
Size

13KB
MD5

f7f521c83252960b95e758c2c5dfabbb
SHA1

ed7276406a6e9157db75af9827a12b5e7630c025
SHA256

12c81eae6c4782b5bfdd8d170204f4694938c02a51396f859ae6cb70d8ccd037
SHA512

d70071dbcad87fa252ee41cfbca798d18315efd13aeb72802636b34a1750d1437a076e4ae9b7ca6fd6c4fbcdfea6a69805eb9a510c48c45bfe8ac9b4f47f8409
SSDEEP

192:5QhzajYqwAO9G+/vCmnmNTy1yJZJ0Zhrx7Rv5VCXmvQNi/60un/TwWzz3:OhzaNwAO9GiCHZLJ0ZhrrHQi/60G7wuj

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1956	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 1088	1956	AcroRd32.exe	92
PID 1956 wrote to memory of 1088	1956	AcroRd32.exe	92
PID 1956 wrote to memory of 1088	1956	AcroRd32.exe	92
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 212	1088	RdrCEF.exe	95
PID 1088 wrote to memory of 2580	1088	RdrCEF.exe	96
PID 1088 wrote to memory of 2580	1088	RdrCEF.exe	96
PID 1088 wrote to memory of 2580	1088	RdrCEF.exe	96
PID 1088 wrote to memory of 2580	1088	RdrCEF.exe	96
PID 1088 wrote to memory of 2580	1088	RdrCEF.exe	96
PID 1088 wrote to memory of 2580	1088	RdrCEF.exe	96
PID 1088 wrote to memory of 2580	1088	RdrCEF.exe	96
PID 1088 wrote to memory of 2580	1088	RdrCEF.exe	96
PID 1088 wrote to memory of 2580	1088	RdrCEF.exe	96
PID 1088 wrote to memory of 2580	1088	RdrCEF.exe	96
PID 1088 wrote to memory of 2580	1088	RdrCEF.exe	96
PID 1088 wrote to memory of 2580	1088	RdrCEF.exe	96
PID 1088 wrote to memory of 2580	1088	RdrCEF.exe	96
PID 1088 wrote to memory of 2580	1088	RdrCEF.exe	96
PID 1088 wrote to memory of 2580	1088	RdrCEF.exe	96
PID 1088 wrote to memory of 2580	1088	RdrCEF.exe	96
PID 1088 wrote to memory of 2580	1088	RdrCEF.exe	96
PID 1088 wrote to memory of 2580	1088	RdrCEF.exe	96
PID 1088 wrote to memory of 2580	1088	RdrCEF.exe	96
PID 1088 wrote to memory of 2580	1088	RdrCEF.exe	96

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\f7f521c83252960b95e758c2c5dfabbb.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:1956
- 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:1088
- - 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=B8D028426B4C918EA621530D3920C06A --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:212
- - 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=71909970BD7D8D56AE2C071E477903C7 --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=71909970BD7D8D56AE2C071E477903C7 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2580
- - 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=C98CE66A05088809D63BC0E6A44EE774 --mojo-platform-channel-handle=2348 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2668
- - 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=DDF4C0CA86658A859E97D86852546D81 --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=DDF4C0CA86658A859E97D86852546D81 --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4172
- - 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=2FA8F5C23552DD33AD9944DAB9FD0CBD --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1696
- - 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=07767AC01D86411298AC9A514CFF1301 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4484

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3784

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
211a4a9594850cb4ed891693d216b7cc

SHA1
fd9f031f7e63af05053cc4849b5fa572de7134fe

SHA256
7b22dd9ae588e0b49b5d6b83e051696e911b9b9d381a534d8710d20ad3340a6b

SHA512
89544e2e50a607e5829706b8a240f005e8363bcf02a6d5924a0be18a457cdce05668c3a4d73abad0473be1df98d9256d88ddf988f314b34a9c23f3b9b87377cd

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