6afceee26f3aa2697441bd58a2ccc23196fbcd24c0b3e6349ce9e8e3b301a953

Analysis

max time kernel
141s
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
19/12/2023, 12:07

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General

Target

1ac6f5b76c2338886145319eee031998.pdf
Size

83KB
MD5

1ac6f5b76c2338886145319eee031998
SHA1

d67c0ca7ef95fd4c1c5fc0818df9a13b9d0be9cb
SHA256

6afceee26f3aa2697441bd58a2ccc23196fbcd24c0b3e6349ce9e8e3b301a953
SHA512

becdd0f07cb830e68933f7dfa5c4c3aa0a152216ab0f021b5172f8e0b2c4ee46b5fdfe9e0c27a269a746e5ba98c13f41e1be4339cee95b296bf1806434dfb9b8
SSDEEP

1536:JyFoGix3Qsd3vtCkrvF7xLJw/AEF8m+2OZg7aiJLW6pOu26W9TkF3XFG5APqa:sFoGixgA1LJco68P2Oa7aieu2zkF3XFN

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4664	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4664 wrote to memory of 3076	4664	AcroRd32.exe	92
PID 4664 wrote to memory of 3076	4664	AcroRd32.exe	92
PID 4664 wrote to memory of 3076	4664	AcroRd32.exe	92
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1900	3076	RdrCEF.exe	93
PID 3076 wrote to memory of 1804	3076	RdrCEF.exe	94
PID 3076 wrote to memory of 1804	3076	RdrCEF.exe	94
PID 3076 wrote to memory of 1804	3076	RdrCEF.exe	94
PID 3076 wrote to memory of 1804	3076	RdrCEF.exe	94
PID 3076 wrote to memory of 1804	3076	RdrCEF.exe	94
PID 3076 wrote to memory of 1804	3076	RdrCEF.exe	94
PID 3076 wrote to memory of 1804	3076	RdrCEF.exe	94
PID 3076 wrote to memory of 1804	3076	RdrCEF.exe	94
PID 3076 wrote to memory of 1804	3076	RdrCEF.exe	94
PID 3076 wrote to memory of 1804	3076	RdrCEF.exe	94
PID 3076 wrote to memory of 1804	3076	RdrCEF.exe	94
PID 3076 wrote to memory of 1804	3076	RdrCEF.exe	94
PID 3076 wrote to memory of 1804	3076	RdrCEF.exe	94
PID 3076 wrote to memory of 1804	3076	RdrCEF.exe	94
PID 3076 wrote to memory of 1804	3076	RdrCEF.exe	94
PID 3076 wrote to memory of 1804	3076	RdrCEF.exe	94
PID 3076 wrote to memory of 1804	3076	RdrCEF.exe	94
PID 3076 wrote to memory of 1804	3076	RdrCEF.exe	94
PID 3076 wrote to memory of 1804	3076	RdrCEF.exe	94
PID 3076 wrote to memory of 1804	3076	RdrCEF.exe	94

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\1ac6f5b76c2338886145319eee031998.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:4664
- 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:3076
- - 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=FDECD9BDD81A754CF2286B2D02AA96BD --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1900
- - 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=76AF57880C771725D216E17FC7F07BA2 --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=76AF57880C771725D216E17FC7F07BA2 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1804
- - 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=6DA88A5F9DCC73A778512135F6671334 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3712
- - 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=BDF145BA051248DC6E400AA2FB7F19FD --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:904
- - 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=4E71F4AFC831B31AA30C5395C7238C39 --mojo-platform-channel-handle=2028 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4836
- - 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=EEA37B80646C0C1D814DF889138D487B --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=EEA37B80646C0C1D814DF889138D487B --renderer-client-id=7 --mojo-platform-channel-handle=2232 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4676

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3128

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
25a0cb58b23066b66d25e8809274fbc7

SHA1
e312731320dd299ec86e2442038f207610cb4e02

SHA256
4ff42fb3fcc6c76fd81a22fc3d8d5d5a9a35ca0e9b00d4f415a2e4627c1d7ead

SHA512
011cf167b621cf39074ffbf8f515ba8c05aaa172b6207a425f6e56130e7572eff5c478ed3aac8c04a93e7e8b1105215843a060b8412004d0269ff9ef5766012f

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