hxxps://99gkf[.]r[.]a[.]d[.]sendibm1[.]com/mk/cl/f/sh/7nVU1aA2nfwFS2HPE8IkYsFasrCyd7d/C4LJHRhZPMkJ

Analysis

max time kernel
47s
max time network
39s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
22/02/2024, 10:38

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General

Target

https://99gkf.r.a.d.sendibm1.com/mk/cl/f/sh/7nVU1aA2nfwFS2HPE8IkYsFasrCyd7d/C4LJHRhZPMkJ

Score

1^/10

Malware Config

Signatures

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	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	chrome.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry	chrome.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4912	chrome.exe
4912	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs

pid	Process
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4912	chrome.exe
Token: SeCreatePagefilePrivilege	4912	chrome.exe
Token: SeShutdownPrivilege	4912	chrome.exe
Token: SeCreatePagefilePrivilege	4912	chrome.exe
Token: SeShutdownPrivilege	4912	chrome.exe
Token: SeCreatePagefilePrivilege	4912	chrome.exe
Token: SeShutdownPrivilege	4912	chrome.exe
Token: SeCreatePagefilePrivilege	4912	chrome.exe
Token: SeShutdownPrivilege	4912	chrome.exe
Token: SeCreatePagefilePrivilege	4912	chrome.exe
Token: SeShutdownPrivilege	4912	chrome.exe
Token: SeCreatePagefilePrivilege	4912	chrome.exe
Token: SeShutdownPrivilege	4912	chrome.exe
Token: SeCreatePagefilePrivilege	4912	chrome.exe
Token: SeShutdownPrivilege	4912	chrome.exe
Token: SeCreatePagefilePrivilege	4912	chrome.exe
Token: SeShutdownPrivilege	4912	chrome.exe
Token: SeCreatePagefilePrivilege	4912	chrome.exe
Token: SeShutdownPrivilege	4912	chrome.exe
Token: SeCreatePagefilePrivilege	4912	chrome.exe
Token: SeShutdownPrivilege	4912	chrome.exe
Token: SeCreatePagefilePrivilege	4912	chrome.exe
Token: SeShutdownPrivilege	4912	chrome.exe
Token: SeCreatePagefilePrivilege	4912	chrome.exe
Token: SeShutdownPrivilege	4912	chrome.exe
Token: SeCreatePagefilePrivilege	4912	chrome.exe
Token: SeShutdownPrivilege	4912	chrome.exe
Token: SeCreatePagefilePrivilege	4912	chrome.exe
Token: SeShutdownPrivilege	4912	chrome.exe
Token: SeCreatePagefilePrivilege	4912	chrome.exe
Token: SeShutdownPrivilege	4912	chrome.exe
Token: SeCreatePagefilePrivilege	4912	chrome.exe
Token: SeShutdownPrivilege	4912	chrome.exe
Token: SeCreatePagefilePrivilege	4912	chrome.exe
Token: SeShutdownPrivilege	4912	chrome.exe
Token: SeCreatePagefilePrivilege	4912	chrome.exe
Token: SeShutdownPrivilege	4912	chrome.exe
Token: SeCreatePagefilePrivilege	4912	chrome.exe
Token: SeShutdownPrivilege	4912	chrome.exe
Token: SeCreatePagefilePrivilege	4912	chrome.exe
Token: SeShutdownPrivilege	4912	chrome.exe
Token: SeCreatePagefilePrivilege	4912	chrome.exe
Token: SeShutdownPrivilege	4912	chrome.exe
Token: SeCreatePagefilePrivilege	4912	chrome.exe
Token: SeShutdownPrivilege	4912	chrome.exe
Token: SeCreatePagefilePrivilege	4912	chrome.exe
Token: SeShutdownPrivilege	4912	chrome.exe
Token: SeCreatePagefilePrivilege	4912	chrome.exe
Token: SeShutdownPrivilege	4912	chrome.exe
Token: SeCreatePagefilePrivilege	4912	chrome.exe
Token: SeShutdownPrivilege	4912	chrome.exe
Token: SeCreatePagefilePrivilege	4912	chrome.exe
Token: SeShutdownPrivilege	4912	chrome.exe
Token: SeCreatePagefilePrivilege	4912	chrome.exe
Token: SeShutdownPrivilege	4912	chrome.exe
Token: SeCreatePagefilePrivilege	4912	chrome.exe
Token: SeShutdownPrivilege	4912	chrome.exe
Token: SeCreatePagefilePrivilege	4912	chrome.exe
Token: SeShutdownPrivilege	4912	chrome.exe
Token: SeCreatePagefilePrivilege	4912	chrome.exe
Token: SeShutdownPrivilege	4912	chrome.exe
Token: SeCreatePagefilePrivilege	4912	chrome.exe
Token: SeShutdownPrivilege	4912	chrome.exe
Token: SeCreatePagefilePrivilege	4912	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe

Suspicious use of SendNotifyMessage 12 IoCs

pid	Process
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe
4912	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4912 wrote to memory of 4432	4912	chrome.exe	38
PID 4912 wrote to memory of 4432	4912	chrome.exe	38
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1756	4912	chrome.exe	82
PID 4912 wrote to memory of 1544	4912	chrome.exe	83
PID 4912 wrote to memory of 1544	4912	chrome.exe	83
PID 4912 wrote to memory of 1876	4912	chrome.exe	84
PID 4912 wrote to memory of 1876	4912	chrome.exe	84
PID 4912 wrote to memory of 1876	4912	chrome.exe	84
PID 4912 wrote to memory of 1876	4912	chrome.exe	84
PID 4912 wrote to memory of 1876	4912	chrome.exe	84
PID 4912 wrote to memory of 1876	4912	chrome.exe	84
PID 4912 wrote to memory of 1876	4912	chrome.exe	84
PID 4912 wrote to memory of 1876	4912	chrome.exe	84
PID 4912 wrote to memory of 1876	4912	chrome.exe	84
PID 4912 wrote to memory of 1876	4912	chrome.exe	84
PID 4912 wrote to memory of 1876	4912	chrome.exe	84
PID 4912 wrote to memory of 1876	4912	chrome.exe	84
PID 4912 wrote to memory of 1876	4912	chrome.exe	84
PID 4912 wrote to memory of 1876	4912	chrome.exe	84
PID 4912 wrote to memory of 1876	4912	chrome.exe	84
PID 4912 wrote to memory of 1876	4912	chrome.exe	84
PID 4912 wrote to memory of 1876	4912	chrome.exe	84
PID 4912 wrote to memory of 1876	4912	chrome.exe	84
PID 4912 wrote to memory of 1876	4912	chrome.exe	84
PID 4912 wrote to memory of 1876	4912	chrome.exe	84
PID 4912 wrote to memory of 1876	4912	chrome.exe	84
PID 4912 wrote to memory of 1876	4912	chrome.exe	84

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://99gkf.r.a.d.sendibm1.com/mk/cl/f/sh/7nVU1aA2nfwFS2HPE8IkYsFasrCyd7d/C4LJHRhZPMkJ
1⤵
- Enumerates system info in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4912
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ff9c9139758,0x7ff9c9139768,0x7ff9c9139778
  2⤵
  PID:4432
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1648 --field-trial-handle=1820,i,3013222413665497739,12237364124204656248,131072 /prefetch:2
  2⤵
  PID:1756
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2100 --field-trial-handle=1820,i,3013222413665497739,12237364124204656248,131072 /prefetch:8
  2⤵
  PID:1544
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2152 --field-trial-handle=1820,i,3013222413665497739,12237364124204656248,131072 /prefetch:8
  2⤵
  PID:1876
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2140 --field-trial-handle=1820,i,3013222413665497739,12237364124204656248,131072 /prefetch:1
  2⤵
  PID:4704
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2944 --field-trial-handle=1820,i,3013222413665497739,12237364124204656248,131072 /prefetch:1
  2⤵
  PID:4076
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4464 --field-trial-handle=1820,i,3013222413665497739,12237364124204656248,131072 /prefetch:1
  2⤵
  PID:2212
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=4460 --field-trial-handle=1820,i,3013222413665497739,12237364124204656248,131072 /prefetch:1
  2⤵
  PID:4980
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --mojo-platform-channel-handle=4948 --field-trial-handle=1820,i,3013222413665497739,12237364124204656248,131072 /prefetch:1
  2⤵
  PID:2080
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4524 --field-trial-handle=1820,i,3013222413665497739,12237364124204656248,131072 /prefetch:8
  2⤵
  PID:2984
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5020 --field-trial-handle=1820,i,3013222413665497739,12237364124204656248,131072 /prefetch:8
  2⤵
  PID:1412

C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
1⤵
PID:2780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index

Filesize
384B

MD5
56f47f417ec8174a0746b9a99e16b4db

SHA1
d0b5429558719879acb7b36c23cad50972338b5e

SHA256
3240db5f762e054ef87fedd12b66b4bd68d728b7d7db0f4fe667535b3e1c1b0f

SHA512
df86db67b431ed991e7aa5b4c4b4877cfd83dc16639334f60a0e5c1b1eb7f27c3c5463050d1c8fac77955ca94a316fe691c472ca2ab4815b956b5319ad4e7780

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State

Filesize
1KB

MD5
2debd648dc6a4932fcfaafa46edbc881

SHA1
f507bd9ee4a60e5f27a6996f50324c85881642a6

SHA256
12c3b87b019958338eb5ee20500c32350ed6ba09db6c9db754afaef96a17e561

SHA512
1ea07130de5cd1d8d8624eed08539a58782cc9f571a1c48b1e1ac2e30f800757b75005e47a5b49f9293511c92fdd6eccf7b51c9ab6e5a706be11700ccbd15df5

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State

Filesize
1KB

MD5
b5826ab4d93855c717963e54392bee07

SHA1
c7492ac84a5c0e9dcb682189fdab030f375c73e6

SHA256
60446b56e56422ce8a57bde40532d98428159ee65667ae5077c3bcdedd7ce516

SHA512
3e8dee8174987be63e743381f2d7786a604ed2fe0a0022d04a962c252819fb0bac52384ff148352bc2eac82698b8e5862d4065ee23e96c0914ec58ada8a8be76

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity

Filesize
1KB

MD5
e3a48c5ddd5ac996dd02601a0fe8d1db

SHA1
e8dde4337bb5a8612eb0e0e87a278d32689367ec

SHA256
a9865f7e7bd5eab4f8378f84866e863e33cc407994aaf9f297a75ba005a736c9

SHA512
d2b89a8346119c949123653162fb2064f241e8950a6c5eb9d3c64149baac313ce7afd2065e11b299b3e6433274d1ecd21dc063a634a595fb94eed28067145f3f

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

Filesize
6KB

MD5
ed75ab2d46e5e6eadecadd5e48306383

SHA1
b0cfdaca2aad18f050fa727cb061b8575e15543d

SHA256
0330d55c5e8747f6ef758b36f4a9e16f33cba08ae2813b017b186d7a8ae84a0f

SHA512
3859628c7b261421e448478a76ad8e0c6f86e491a27174034a1661b8ba1c8bf6eeda6e71c33560333c265677b815b7227b98ba5e9b8f76735a704ec51b749575

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

Filesize
130KB

MD5
747d11c2e36e1d8a4a1a0359ccb709c5

SHA1
a03567b9980ba7d92c8765827194e200d96ca7a2

SHA256
7fd162ca8ab7d762c018123ff64705a0b4886905ff6d39e0207eb19037d674d4

SHA512
5b0746d301592cb0740e117414be4ec9406b4932a9f95dad65cd5b2b9201de1839bca0c82b8db2c9e7c7b58b4341f9991eae5bd60fb9de8c06d4249294833e57

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json

Filesize
2B

MD5
99914b932bd37a50b983c5e7c90ae93b

SHA1
bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

SHA256
44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

SHA512
27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

Download Submit