6213d2c4061b3174436746fb09295ebe7a0463be275a023e6afcff8ca25b5184

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
02-02-2024 06:40

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General

Target

88d320f297993bef845127cf5d85955f.pdf
Size

33KB
MD5

88d320f297993bef845127cf5d85955f
SHA1

5339e2855d2ce9a3f71dfd5716f5bf65a47a38f4
SHA256

6213d2c4061b3174436746fb09295ebe7a0463be275a023e6afcff8ca25b5184
SHA512

9a8f7031428476ac59c65a3abaf7c4fb215717ae0a33a170253fb0853af65a4f0c68ed8901d2b1b69c1cf5b6db35eeb204a54eb03b2f0ee712ee2987b1a37ab9
SSDEEP

384:CGRdzx5bg8n/vNNT8SsVWXgy9qRcCjEv+lhc4PsCUSNKCwPCfWHMCjMJCqY7ACUi:3R3jnxsBGCS+DQG7BxgpqYM4

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2336	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 2140	2336	AcroRd32.exe	91
PID 2336 wrote to memory of 2140	2336	AcroRd32.exe	91
PID 2336 wrote to memory of 2140	2336	AcroRd32.exe	91
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3512	2140	RdrCEF.exe	94
PID 2140 wrote to memory of 3636	2140	RdrCEF.exe	95
PID 2140 wrote to memory of 3636	2140	RdrCEF.exe	95
PID 2140 wrote to memory of 3636	2140	RdrCEF.exe	95
PID 2140 wrote to memory of 3636	2140	RdrCEF.exe	95
PID 2140 wrote to memory of 3636	2140	RdrCEF.exe	95
PID 2140 wrote to memory of 3636	2140	RdrCEF.exe	95
PID 2140 wrote to memory of 3636	2140	RdrCEF.exe	95
PID 2140 wrote to memory of 3636	2140	RdrCEF.exe	95
PID 2140 wrote to memory of 3636	2140	RdrCEF.exe	95
PID 2140 wrote to memory of 3636	2140	RdrCEF.exe	95
PID 2140 wrote to memory of 3636	2140	RdrCEF.exe	95
PID 2140 wrote to memory of 3636	2140	RdrCEF.exe	95
PID 2140 wrote to memory of 3636	2140	RdrCEF.exe	95
PID 2140 wrote to memory of 3636	2140	RdrCEF.exe	95
PID 2140 wrote to memory of 3636	2140	RdrCEF.exe	95
PID 2140 wrote to memory of 3636	2140	RdrCEF.exe	95
PID 2140 wrote to memory of 3636	2140	RdrCEF.exe	95
PID 2140 wrote to memory of 3636	2140	RdrCEF.exe	95
PID 2140 wrote to memory of 3636	2140	RdrCEF.exe	95
PID 2140 wrote to memory of 3636	2140	RdrCEF.exe	95

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\88d320f297993bef845127cf5d85955f.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:2336
- 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:2140
- - 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=317B500F02B7E504236B3306B1927A71 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3512
- - 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=040268C1C635A5F0003D4479ECEEBEA7 --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=040268C1C635A5F0003D4479ECEEBEA7 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3636
- - 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=C211E8270C41A777663FEC7247D3B27B --mojo-platform-channel-handle=2152 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1272
- - 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=B8C7AF40F5F3903999CD5404AA2DD104 --mojo-platform-channel-handle=1828 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3392
- - 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=B0775A1009E8104A29B4B6E4A75478A8 --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=B0775A1009E8104A29B4B6E4A75478A8 --renderer-client-id=6 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2368
- - 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=92E75C65EA15768A6B5B5E4139809D55 --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:220

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3980

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
bfaf3e0fd33a5b7a6f79ce73dc3f8a75

SHA1
d4069aff72810b4181cf4c6e93b26ce269ecab4f

SHA256
c8c4b46fd3efe14a43d256b5f2368736a3aa9a2fa6d9797b3610c410b93c94d7

SHA512
cef133779f580223c0d8a378c2144b08fd8a784471b04be805db8f29cd7e09651f4071b7c145bf69a54f1478020156e92d01d218a676aff8338040e9ae8dc419

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/2336-27-0x000000000A220000-0x000000000A241000-memory.dmp

Filesize
132KB

Download