d50ef40d704099a98dc37315f2c52610cfd54856b585a8e214200aef1c16c0a4

Analysis

max time kernel
141s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
28/01/2024, 11:08

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General

Target

7cf5ddbdb3fd0ae654068761be7d2e37.pdf
Size

87KB
MD5

7cf5ddbdb3fd0ae654068761be7d2e37
SHA1

a12aa6d0c2efaadb95603b0af196b113b9d6bcd6
SHA256

d50ef40d704099a98dc37315f2c52610cfd54856b585a8e214200aef1c16c0a4
SHA512

4acf45eb7832c914ae9515b5fa849aa250fbaa3c3ec5ef32ea2f9cbb8bcb567cbb8bfad8a6ac36b49476d401ebd06faa5c8f402afeee633d97a39ef39f2d607b
SSDEEP

1536:/w5A33nVnQSOaW2pIaECYyttuz1cie3iUqWZ3WnM+p8LWQpOCT4BHnTSh:45CFFDbECYyttu5cieSm3Wn582CT49no

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3668	AcroRd32.exe
3668	AcroRd32.exe
3668	AcroRd32.exe
3668	AcroRd32.exe
3668	AcroRd32.exe
3668	AcroRd32.exe
3668	AcroRd32.exe
3668	AcroRd32.exe
3668	AcroRd32.exe
3668	AcroRd32.exe
3668	AcroRd32.exe
3668	AcroRd32.exe
3668	AcroRd32.exe
3668	AcroRd32.exe
3668	AcroRd32.exe
3668	AcroRd32.exe
3668	AcroRd32.exe
3668	AcroRd32.exe
3668	AcroRd32.exe
3668	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3668	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3668	AcroRd32.exe
3668	AcroRd32.exe
3668	AcroRd32.exe
3668	AcroRd32.exe
3668	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3668 wrote to memory of 2640	3668	AcroRd32.exe	91
PID 3668 wrote to memory of 2640	3668	AcroRd32.exe	91
PID 3668 wrote to memory of 2640	3668	AcroRd32.exe	91
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 4548	2640	RdrCEF.exe	93
PID 2640 wrote to memory of 448	2640	RdrCEF.exe	94
PID 2640 wrote to memory of 448	2640	RdrCEF.exe	94
PID 2640 wrote to memory of 448	2640	RdrCEF.exe	94
PID 2640 wrote to memory of 448	2640	RdrCEF.exe	94
PID 2640 wrote to memory of 448	2640	RdrCEF.exe	94
PID 2640 wrote to memory of 448	2640	RdrCEF.exe	94
PID 2640 wrote to memory of 448	2640	RdrCEF.exe	94
PID 2640 wrote to memory of 448	2640	RdrCEF.exe	94
PID 2640 wrote to memory of 448	2640	RdrCEF.exe	94
PID 2640 wrote to memory of 448	2640	RdrCEF.exe	94
PID 2640 wrote to memory of 448	2640	RdrCEF.exe	94
PID 2640 wrote to memory of 448	2640	RdrCEF.exe	94
PID 2640 wrote to memory of 448	2640	RdrCEF.exe	94
PID 2640 wrote to memory of 448	2640	RdrCEF.exe	94
PID 2640 wrote to memory of 448	2640	RdrCEF.exe	94
PID 2640 wrote to memory of 448	2640	RdrCEF.exe	94
PID 2640 wrote to memory of 448	2640	RdrCEF.exe	94
PID 2640 wrote to memory of 448	2640	RdrCEF.exe	94
PID 2640 wrote to memory of 448	2640	RdrCEF.exe	94
PID 2640 wrote to memory of 448	2640	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\7cf5ddbdb3fd0ae654068761be7d2e37.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:3668
- 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:2640
- - 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=5F033849A088378D4FE36329C14E7F46 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4548
- - 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=D1B7589246AFCD037285EE7461071C8F --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=D1B7589246AFCD037285EE7461071C8F --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:448
- - 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=E11E8DA3196961E113E50ADB2DAEBE36 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5040
- - 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=B1526345203BBA1A83CE27C9147BB5B0 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1832
- - 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=C954F5CE82F80BA5E1D77591C58B7211 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1424
- - 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=3B351DFDEC668B554A285C90344E0465 --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=3B351DFDEC668B554A285C90344E0465 --renderer-client-id=7 --mojo-platform-channel-handle=1860 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1316

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
799d3e067122796876f2e1f5f82c5a41

SHA1
b7e5282966ca9d2bd78818eaba3d3398e64c56c7

SHA256
69ae391d07f1d2c055a0bdb4d1c75c47c058057b3df66c1a908ad476a3cb91c9

SHA512
dbe5327becccd0af8f1b77d5c4f77f06916dbc0ed522de6574e8052d2f6be7f7e512e551450ad4a20abf26de8a24b674a4723f9932faaba774d3a6365fb23bd4

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