4457dac7309105caf85b0ca84322c294feb078de99d861892297d4e2a8c816d2

Analysis

max time kernel
142s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 11:35

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General

Target
7740ad73d06b93aa95a7c3c3dfaad0d4.pdf
Size 5KB
Sample240126-np8naaeadp
SHA256 4457dac7309105caf85b0ca84322c294feb078de99d861892297d4e2a8c816d2
MD5 7740ad73d06b93aa95a7c3c3dfaad0d4
SHA1 ce39190436dd7a77078ab50bd978a59d73ae4742
SHA512 bdf2961588df103538ec54c27e17f1a5831777a6395449220fb09e0fb598c77b29f2cd1170330b563238610c89916d4efd030c06ab7024b4a3099e472e4a5de5
SSDEEP 96:RLoEe/U4rfx3Z62aL7xLBNBazN7ewM5My+VK/6aoW234pIiF4kiURffO:Zo2ItZ62aLNLbBazN7Mui/6avkGItIfO
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
652	AcroRd32.exe
652	AcroRd32.exe
652	AcroRd32.exe
652	AcroRd32.exe
652	AcroRd32.exe
652	AcroRd32.exe
652	AcroRd32.exe
652	AcroRd32.exe
652	AcroRd32.exe
652	AcroRd32.exe
652	AcroRd32.exe
652	AcroRd32.exe
652	AcroRd32.exe
652	AcroRd32.exe
652	AcroRd32.exe
652	AcroRd32.exe
652	AcroRd32.exe
652	AcroRd32.exe
652	AcroRd32.exe
652	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
652	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
652	AcroRd32.exe
652	AcroRd32.exe
652	AcroRd32.exe
652	AcroRd32.exe
652	AcroRd32.exe
652	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 652 wrote to memory of 4296	652	AcroRd32.exe	91
PID 652 wrote to memory of 4296	652	AcroRd32.exe	91
PID 652 wrote to memory of 4296	652	AcroRd32.exe	91
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 2448	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 1168	4296	RdrCEF.exe	95
PID 4296 wrote to memory of 1168	4296	RdrCEF.exe	95
PID 4296 wrote to memory of 1168	4296	RdrCEF.exe	95
PID 4296 wrote to memory of 1168	4296	RdrCEF.exe	95
PID 4296 wrote to memory of 1168	4296	RdrCEF.exe	95
PID 4296 wrote to memory of 1168	4296	RdrCEF.exe	95
PID 4296 wrote to memory of 1168	4296	RdrCEF.exe	95
PID 4296 wrote to memory of 1168	4296	RdrCEF.exe	95
PID 4296 wrote to memory of 1168	4296	RdrCEF.exe	95
PID 4296 wrote to memory of 1168	4296	RdrCEF.exe	95
PID 4296 wrote to memory of 1168	4296	RdrCEF.exe	95
PID 4296 wrote to memory of 1168	4296	RdrCEF.exe	95
PID 4296 wrote to memory of 1168	4296	RdrCEF.exe	95
PID 4296 wrote to memory of 1168	4296	RdrCEF.exe	95
PID 4296 wrote to memory of 1168	4296	RdrCEF.exe	95
PID 4296 wrote to memory of 1168	4296	RdrCEF.exe	95
PID 4296 wrote to memory of 1168	4296	RdrCEF.exe	95
PID 4296 wrote to memory of 1168	4296	RdrCEF.exe	95
PID 4296 wrote to memory of 1168	4296	RdrCEF.exe	95
PID 4296 wrote to memory of 1168	4296	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\7740ad73d06b93aa95a7c3c3dfaad0d4.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:652
- 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:4296
- - 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=D981788C6B26931A2E2AA625F578CC0E --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2448
- - 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=D22E0788845937F46BDDD7F176838CF0 --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=D22E0788845937F46BDDD7F176838CF0 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1168
- - 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=EB92EB816FCA6EBC2B0EAB9B0B3894E6 --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=EB92EB816FCA6EBC2B0EAB9B0B3894E6 --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1160
- - 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=9354724200E96B7A48D99283A640FCFA --mojo-platform-channel-handle=2356 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2056
- - 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=7498C7844A2D54FD6CCB7BAABF28ECAA --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1556
- - 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=C5FF16B75433CFAF0F924AEF8225A6E4 --mojo-platform-channel-handle=2532 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2712

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4372

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

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 4905a88bae26f06b0e3b06f49149f4ac154abc6d680bff24b905ac95ae112a6d
MD5 46a296877a155420fa4d68a9cc7990eb
SHA1 eff94586c066e863ebee5e89cc3989ef515f71cf
SHA512 314969bc2bd1f73d3a35a2346e363af60e54d1d60c69e1f183847c8996185a4e9da0c357301fd721f2f861574d8fcd69ab0561ab5601770df55f221a6b95bc05
SSDEEP 384:yeudThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:l+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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memory/652-133-0x000000000A210000-0x000000000A35D000-memory.dmp

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