170740ce72172c7d607b46f58d391bff57ac1cb7090625fa53e73b2798437466

Resubmissions

02/08/2024, 18:55

240802-xkzn9a1bkg 3

Analysis

max time kernel
106s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/08/2024, 18:55

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General

Target

Release/System.Buffers.xml
Size

3KB
MD5

1c55860dd93297a6ea2fad2974834c3a
SHA1

7f4069341c6b62ecfc999a6c2d8a2d5fb59d44f6
SHA256

2ec7fb12e11f9831e40524427f6d88a3c9ffdd56ccfa81d373467b75b479a578
SHA512

37fa5d4553ca3165f10e2ffef38fefc0dba4a2dbfa05ab9f09ab87b5f71f30e6d965d2f833f58b50b3bc2529ebe8fb5cc431c264f7b47ad026f5c5a874a6ada1

Score

3^/10

discovery

Malware Config

Signatures

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1984	msedge.exe
1984	msedge.exe
3660	msedge.exe
3660	msedge.exe
3060	identity_helper.exe
3060	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

pid	Process
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe
3660	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3660 wrote to memory of 2296	3660	msedge.exe	90
PID 3660 wrote to memory of 2296	3660	msedge.exe	90
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 3120	3660	msedge.exe	91
PID 3660 wrote to memory of 1984	3660	msedge.exe	92
PID 3660 wrote to memory of 1984	3660	msedge.exe	92
PID 3660 wrote to memory of 764	3660	msedge.exe	93
PID 3660 wrote to memory of 764	3660	msedge.exe	93
PID 3660 wrote to memory of 764	3660	msedge.exe	93
PID 3660 wrote to memory of 764	3660	msedge.exe	93
PID 3660 wrote to memory of 764	3660	msedge.exe	93
PID 3660 wrote to memory of 764	3660	msedge.exe	93
PID 3660 wrote to memory of 764	3660	msedge.exe	93
PID 3660 wrote to memory of 764	3660	msedge.exe	93
PID 3660 wrote to memory of 764	3660	msedge.exe	93
PID 3660 wrote to memory of 764	3660	msedge.exe	93
PID 3660 wrote to memory of 764	3660	msedge.exe	93
PID 3660 wrote to memory of 764	3660	msedge.exe	93
PID 3660 wrote to memory of 764	3660	msedge.exe	93
PID 3660 wrote to memory of 764	3660	msedge.exe	93
PID 3660 wrote to memory of 764	3660	msedge.exe	93
PID 3660 wrote to memory of 764	3660	msedge.exe	93
PID 3660 wrote to memory of 764	3660	msedge.exe	93
PID 3660 wrote to memory of 764	3660	msedge.exe	93
PID 3660 wrote to memory of 764	3660	msedge.exe	93
PID 3660 wrote to memory of 764	3660	msedge.exe	93

C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX64\Microsoft Shared\Office16\MSOXMLED.EXE
"C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX64\Microsoft Shared\Office16\MSOXMLED.EXE" /verb open "C:\Users\Admin\AppData\Local\Temp\Release\System.Buffers.xml"
1⤵
PID:3060

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --profile-directory=Default
1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3660
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x120,0x124,0x128,0x11c,0x12c,0x7ffbc4dd46f8,0x7ffbc4dd4708,0x7ffbc4dd4718
  2⤵
  PID:2296
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2044,12101689900435576924,6760337932211039927,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2064 /prefetch:2
  2⤵
  PID:3120
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2044,12101689900435576924,6760337932211039927,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2180 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1984
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2044,12101689900435576924,6760337932211039927,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2800 /prefetch:8
  2⤵
  PID:764
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,12101689900435576924,6760337932211039927,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3404 /prefetch:1
  2⤵
  PID:5068
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,12101689900435576924,6760337932211039927,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3412 /prefetch:1
  2⤵
  PID:3948
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,12101689900435576924,6760337932211039927,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5112 /prefetch:1
  2⤵
  PID:1916
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,12101689900435576924,6760337932211039927,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5108 /prefetch:1
  2⤵
  PID:232
- C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2044,12101689900435576924,6760337932211039927,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3708 /prefetch:8
  2⤵
  PID:680
- C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2044,12101689900435576924,6760337932211039927,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3708 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3060
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,12101689900435576924,6760337932211039927,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4396 /prefetch:1
  2⤵
  PID:508
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,12101689900435576924,6760337932211039927,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5356 /prefetch:1
  2⤵
  PID:1060
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,12101689900435576924,6760337932211039927,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5028 /prefetch:1
  2⤵
  PID:2280

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4744

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

T1217

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\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
ecf7ca53c80b5245e35839009d12f866

SHA1
a7af77cf31d410708ebd35a232a80bddfb0615bb

SHA256
882a513b71b26210ff251769b82b2c5d59a932f96d9ce606ca2fab6530a13687

SHA512
706722bd22ce27d854036b1b16e6a3cdb36284b66edc76238a79c2e11cee7d1307b121c898ad832eb1af73e4f08d991d64dc0bff529896ffb4ebe9b3dc381696

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
4dd2754d1bea40445984d65abee82b21

SHA1
4b6a5658bae9a784a370a115fbb4a12e92bd3390

SHA256
183b8e82a0deaa83d04736553671cedb738adc909f483b3c5f822a0e6be7477d

SHA512
92d44ee372ad33f892b921efa6cabc78e91025e89f05a22830763217826fa98d51d55711f85c8970ac58abf9adc6c85cc40878032cd6d2589ab226cd099f99e1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State

Filesize
180B

MD5
00a455d9d155394bfb4b52258c97c5e5

SHA1
2761d0c955353e1982a588a3df78f2744cfaa9df

SHA256
45a13c77403533b12fbeeeb580e1c32400ca17a32e15caa8c8e6a180ece27fed

SHA512
9553f8553332afbb1b4d5229bbf58aed7a51571ab45cbf01852b36c437811befcbc86f80ec422f222963fa7dabb04b0c9ae72e9d4ff2eeb1e58cde894fbe234f

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
6KB

MD5
0599a8b1c9fc4eb22d6dedf311d42c01

SHA1
0d984811a8f53a6b478a6d5224ce53e3810db865

SHA256
59a955f835c70de426a0d573a68db310054b7442e82050c5980ae3a2f5c7eeac

SHA512
d008b4ac663b85a72c4c5f14371deefcba6d6cc72c870f5f19a8cdf429ca8a20ae3258d57aedcc7666705bd064bbd245ad91f287a9e22ff485fec626c8fb8f2e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
6KB

MD5
b53e53516d3900b49cd5ec35ee025db7

SHA1
bb56fa27ae736043991e8c44e52ffd6b41ad6300

SHA256
c73af094e3d2e38a798e24875b541fb8e1bf969ccf2961d10d4d371c70003545

SHA512
3d69fcadebd7884202d49ec767de14d6f2ba969cc48761a2fe13bf41cbbfff4b37d7e161319d7a38f884933607d16d033b280997d1be21393116217daf410d71

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
6KB

MD5
862f8abc1b3a093b45d6a868f828f01f

SHA1
0fdbea35c169f08e9e6d2778ce85aaf40f4c6411

SHA256
d30a80a114deabdbbca8cdb723b1b87f7121c783b54b8939e6366d9c9d314f68

SHA512
a1a3b9a8c507ae83c1326e94ae51b9c211f2daf32e90cfda119c9e78172458bdba22a08c345940fbd0bea7969e6b9d13873a9c4428c67e4044828cb2b9157c00

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
6KB

MD5
baa6fb91ea5c9041bd0e0b4d0af6e999

SHA1
ad6c941eb64ff9364b85573b7885e61284fcfa39

SHA256
caa28878d4f38849c07f69c2532dd6217038d84a7a78bbb858f6704f7b877cc4

SHA512
1dc21809c8515799fabf263c8cb65ffd74a75d7f11a5bef89147c6c3de00cb1066dc6de07abc36d5e556ef70efa27e48342c679f87319901106522c2a768fe4a

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

Filesize
16B

MD5
6752a1d65b201c13b62ea44016eb221f

SHA1
58ecf154d01a62233ed7fb494ace3c3d4ffce08b

SHA256
0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

SHA512
9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

Filesize
10KB

MD5
9561a49a7a29046e70a235fe8d03bd36

SHA1
c6d6ac41cf5abd8749c7503a010f92a5a2423d41

SHA256
ed49dfd86bb758148ef6e35a64c2979bf80888ea19bf42243b9bbbff296d522f

SHA512
812275d922f3da33b14db019f0291704b32f6cd8e2fa8c99f5db79c5d8d72de7655a1976f8e3bcb71257fd8c27f8cdc790fb4a2b8daa25209541b9a168e2a0a0

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

Filesize
11KB

MD5
d577821bb6ac32310d10c906bb082b24

SHA1
2b086d3edcabec3ceddc50eb3278346148ebf3e9

SHA256
88d07ecc95f788d4afd1743ab1808593393839b7e688725476947b3c27b9f0d0

SHA512
53c9d31d08198b8977e928558c2b076c0e79cb1ccf47ce9a9138bf25cc021f4c97f54a614c6de2f9d3df852f7cdcff3c8c23892e24744bd2a9bd03034e423b72

Download Submit
memory/3060-0-0x00007FFBA2A50000-0x00007FFBA2A60000-memory.dmp

Filesize
64KB

Download
memory/3060-3-0x00007FFBE29D0000-0x00007FFBE2BC5000-memory.dmp

Filesize
2.0MB

Download
memory/3060-2-0x00007FFBE29D0000-0x00007FFBE2BC5000-memory.dmp

Filesize
2.0MB

Download
memory/3060-1-0x00007FFBE2A6D000-0x00007FFBE2A6E000-memory.dmp

Filesize
4KB

Download