a794ac78882a744b97acebed7a6a76ac8b3cfdef9d38bd891aa262081e303d52

Analysis

max time kernel
142s
max time network
161s
platform
windows11-21h2_x64
resource
win11-20231215-en
resource tags

arch:x64arch:x86image:win11-20231215-enlocale:en-usos:windows11-21h2-x64system
submitted
01/02/2024, 15:22

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General

Target

doc/colormanage/figures/proof_link.pdf
Size

93KB
MD5

799ef94afa97128404367cae0554e36c
SHA1

52dc2167579bc0aaa454a9399278360453a45104
SHA256

1e0eb6fbff57dfab3aecdd3b3d610811145a7fe0b0444196df8a8df4a9dc4fe1
SHA512

2930a5d339258ff64f402826a191c380c95672ed09d4dce072f36115384da87ebb0748701d3209703620a0ef0163b5d79dcf030c3b35d7ce506d66e6a2170423
SSDEEP

1536:ur06JnIe9k7k5x+XPT8xEhH1ua7mXQvpdvQKtIrHVf296q3tNuQWKo1wVS:U06Jnt9k7kLq782ruScsprmVu96qzFiL

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-1-5-21-1199853020-417986905-91977573-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2856	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 1072	2856	AcroRd32.exe	79
PID 2856 wrote to memory of 1072	2856	AcroRd32.exe	79
PID 2856 wrote to memory of 1072	2856	AcroRd32.exe	79
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2888	1072	RdrCEF.exe	80
PID 1072 wrote to memory of 2916	1072	RdrCEF.exe	81
PID 1072 wrote to memory of 2916	1072	RdrCEF.exe	81
PID 1072 wrote to memory of 2916	1072	RdrCEF.exe	81
PID 1072 wrote to memory of 2916	1072	RdrCEF.exe	81
PID 1072 wrote to memory of 2916	1072	RdrCEF.exe	81
PID 1072 wrote to memory of 2916	1072	RdrCEF.exe	81
PID 1072 wrote to memory of 2916	1072	RdrCEF.exe	81
PID 1072 wrote to memory of 2916	1072	RdrCEF.exe	81
PID 1072 wrote to memory of 2916	1072	RdrCEF.exe	81
PID 1072 wrote to memory of 2916	1072	RdrCEF.exe	81
PID 1072 wrote to memory of 2916	1072	RdrCEF.exe	81
PID 1072 wrote to memory of 2916	1072	RdrCEF.exe	81
PID 1072 wrote to memory of 2916	1072	RdrCEF.exe	81
PID 1072 wrote to memory of 2916	1072	RdrCEF.exe	81
PID 1072 wrote to memory of 2916	1072	RdrCEF.exe	81
PID 1072 wrote to memory of 2916	1072	RdrCEF.exe	81
PID 1072 wrote to memory of 2916	1072	RdrCEF.exe	81
PID 1072 wrote to memory of 2916	1072	RdrCEF.exe	81
PID 1072 wrote to memory of 2916	1072	RdrCEF.exe	81
PID 1072 wrote to memory of 2916	1072	RdrCEF.exe	81

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\doc\colormanage\figures\proof_link.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:2856
- 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:1072
- - 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=AD9A13CCD0D11B6622EB626E1D95F9D4 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2888
- - 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=75ECA2ADE2FBD71A803691C05E0210FA --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=75ECA2ADE2FBD71A803691C05E0210FA --renderer-client-id=2 --mojo-platform-channel-handle=1780 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2916
- - 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=CE3889503FA03D9718D3AC990B1C3D5C --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=CE3889503FA03D9718D3AC990B1C3D5C --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3108
- - 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=969EFCBD6837C6A7AE36291B174B2544 --mojo-platform-channel-handle=2612 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:832
- - 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=DCEFFF80CDAE737ABFBE4C93BA594EA4 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2520
- - 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=1655D8BCD9495809955E9FB8DAE184E8 --mojo-platform-channel-handle=1900 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2164

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1948

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
0a94cba0a991262233106fa4fe8c3fe3

SHA1
19742f51989547483a77ccdc7375b7fcf52c245b

SHA256
1bf06e131e60906c95ddedb67f469ba09cfd4721eec251912ff6eccecbf05a52

SHA512
b9b64da913fbfcdeb7a656ecfae8859a3fe06f0118e0667b8cac99f9964a02b4fd26616de4883aa6740e637b366ac25abb4b375cdd8c8a361dcb21e0c6cb4af8

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/2856-137-0x000000000A1D0000-0x000000000A47B000-memory.dmp

Filesize
2.7MB

Download