1b362d61055100971ffc95b19394d513f56d5f116f6f00002191f399a5e2cb39

Analysis

max time kernel
143s
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
31/12/2023, 06:13

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General

Target

2b5eb63fa083334d206dc2eccbe2468b.pdf
Size

70KB
MD5

2b5eb63fa083334d206dc2eccbe2468b
SHA1

3c534f1d18be04390758c8ed793371ae085add69
SHA256

1b362d61055100971ffc95b19394d513f56d5f116f6f00002191f399a5e2cb39
SHA512

c02f5cb7cb79ae3d247c2dfcb1ffc2b149e10484a994fac18853a851c3a0648145a71edacb346da779a11b1c09192485599566b263103278a182eb5bcb13fa20
SSDEEP

1536:LA+qnl1mfES2euGiNZzkmM60g76ck8piYJTRtpfisqQUkZstIM:el1mfZJiHD76ck8YYJTTFaQUkZs1

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4260	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4260 wrote to memory of 2380	4260	AcroRd32.exe	91
PID 4260 wrote to memory of 2380	4260	AcroRd32.exe	91
PID 4260 wrote to memory of 2380	4260	AcroRd32.exe	91
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 2212	2380	RdrCEF.exe	92
PID 2380 wrote to memory of 5060	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 5060	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 5060	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 5060	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 5060	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 5060	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 5060	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 5060	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 5060	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 5060	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 5060	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 5060	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 5060	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 5060	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 5060	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 5060	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 5060	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 5060	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 5060	2380	RdrCEF.exe	93
PID 2380 wrote to memory of 5060	2380	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\2b5eb63fa083334d206dc2eccbe2468b.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:4260
- 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:2380
- - 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=55DE350BDC1959FF9CA83690FA26DAA8 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2212
- - 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=2D8A500EA3583A478E991D10F042DB40 --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=2D8A500EA3583A478E991D10F042DB40 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5060
- - 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=FAE5CB0327A18DBBF7501D1A48D7E20F --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=FAE5CB0327A18DBBF7501D1A48D7E20F --renderer-client-id=4 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2100
- - 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=A823B08442098184803A489F1FE23B61 --mojo-platform-channel-handle=2528 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4784
- - 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=76C32F65370A70CF38EB4183247C6586 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:748
- - 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=51036EC0ACB700DC0092670575AA9110 --mojo-platform-channel-handle=2640 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1148

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2964

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
7cbd81db0a5bc21f69679483dfc9522f

SHA1
d7c76435dad0c15af1e7341608cb1244c4241407

SHA256
83dfe6ab0030c0308c9f258c77c9e1daad41a1fd00f0c314cc6aec23791fa034

SHA512
c970becdc6703fbbcf7c5beab43abb9254fac117037eda2fcc965034116274894a44c706f13a4835c545b4c092d24275ad10ea1fd6c92635618d21600c9c7929

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