0ace1571a027b87f53c9774c83f77b10bd7a747466367e519e49590849429041

Analysis

max time kernel
140s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
21/08/2023, 11:31

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General

Target

Invoice_4532.pdf
Size

398KB
MD5

857ff269a3253a9f0a7944e13a636e14
SHA1

3ab9a5fc1464066963f3570ee7b03bc3320de940
SHA256

263dd64e9f5c81d3688cb3788d80a0f7b8ec6f92c728069f34b2349e2ffa3c11
SHA512

33e61854dc09f8046754585a14934a38a8096802e7b0c11bfcd17870354fb0639717fc470ac17c1b006148122f295ae96219acfab50185ef6e246cbcab094ddf
SSDEEP

12288:feJrkvO0nDZ7HnicDmDgfYe42quSkMPUyZ:W2vzDZ7CTDAYeQuSk8UyZ

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4080	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4080 wrote to memory of 5116	4080	AcroRd32.exe	82
PID 4080 wrote to memory of 5116	4080	AcroRd32.exe	82
PID 4080 wrote to memory of 5116	4080	AcroRd32.exe	82
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3728	5116	RdrCEF.exe	83
PID 5116 wrote to memory of 3616	5116	RdrCEF.exe	84
PID 5116 wrote to memory of 3616	5116	RdrCEF.exe	84
PID 5116 wrote to memory of 3616	5116	RdrCEF.exe	84
PID 5116 wrote to memory of 3616	5116	RdrCEF.exe	84
PID 5116 wrote to memory of 3616	5116	RdrCEF.exe	84
PID 5116 wrote to memory of 3616	5116	RdrCEF.exe	84
PID 5116 wrote to memory of 3616	5116	RdrCEF.exe	84
PID 5116 wrote to memory of 3616	5116	RdrCEF.exe	84
PID 5116 wrote to memory of 3616	5116	RdrCEF.exe	84
PID 5116 wrote to memory of 3616	5116	RdrCEF.exe	84
PID 5116 wrote to memory of 3616	5116	RdrCEF.exe	84
PID 5116 wrote to memory of 3616	5116	RdrCEF.exe	84
PID 5116 wrote to memory of 3616	5116	RdrCEF.exe	84
PID 5116 wrote to memory of 3616	5116	RdrCEF.exe	84
PID 5116 wrote to memory of 3616	5116	RdrCEF.exe	84
PID 5116 wrote to memory of 3616	5116	RdrCEF.exe	84
PID 5116 wrote to memory of 3616	5116	RdrCEF.exe	84
PID 5116 wrote to memory of 3616	5116	RdrCEF.exe	84
PID 5116 wrote to memory of 3616	5116	RdrCEF.exe	84
PID 5116 wrote to memory of 3616	5116	RdrCEF.exe	84

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\Invoice_4532.pdf"
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4080
- 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:5116
- - 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=8BBF8E902EBE4B3D9663B3D21FFABE7F --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3728
- - 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=013FBCC09C7BE79D58A511047D1B417A --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=013FBCC09C7BE79D58A511047D1B417A --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3616
- - 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=8AD7BB17D21E2BB915973E434F0FFDCA --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:808
- - 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=40870B457439E62CC0BE1EE501240C75 --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=40870B457439E62CC0BE1EE501240C75 --renderer-client-id=5 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1608
- - 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=41D4643F97C07B736CFD303779F6A2C4 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:628
- - 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=C2431D08BE15BB4300B0001EED865FE6 --mojo-platform-channel-handle=2356 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1188

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3324

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

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

Filesize
64KB

MD5
c1903b58f03484681e15c52f130ae47e

SHA1
3a2c9eb5073dd4fb83d4d79cac8cee5cd7788340

SHA256
a813920b2c9f3645f99884c02bffc63fcdbbea7d990683b6a519a0093b055bb5

SHA512
90d465f6e0e00db66d98b4e5a1b45156e1892e8a506bf04baf02fa52ccf95311e754ad01abb28ab12e95ff9fbf2e3c2c50d671a6d8b1ca3217cb23541a30503d

Download Submit