hxxps://bgk-group[.]com/crimson[.]html#autoemail

Analysis

max time kernel
16s
max time network
19s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
10/10/2023, 09:38

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General

Target

https://bgk-group.com/crimson.html#autoemail

Score

5^/10

microsoft phishing

Malware Config

Signatures

Detected potential entity reuse from brand microsoft.
phishing microsoft

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Modifies data under HKEY_USERS 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry	chrome.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "133414043350299713"	chrome.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
312	chrome.exe
312	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs

pid	Process
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe

Suspicious use of AdjustPrivilegeToken 26 IoCs

description	pid	Process
Token: SeShutdownPrivilege	312	chrome.exe
Token: SeCreatePagefilePrivilege	312	chrome.exe
Token: SeShutdownPrivilege	312	chrome.exe
Token: SeCreatePagefilePrivilege	312	chrome.exe
Token: SeShutdownPrivilege	312	chrome.exe
Token: SeCreatePagefilePrivilege	312	chrome.exe
Token: SeShutdownPrivilege	312	chrome.exe
Token: SeCreatePagefilePrivilege	312	chrome.exe
Token: SeShutdownPrivilege	312	chrome.exe
Token: SeCreatePagefilePrivilege	312	chrome.exe
Token: SeShutdownPrivilege	312	chrome.exe
Token: SeCreatePagefilePrivilege	312	chrome.exe
Token: SeShutdownPrivilege	312	chrome.exe
Token: SeCreatePagefilePrivilege	312	chrome.exe
Token: SeShutdownPrivilege	312	chrome.exe
Token: SeCreatePagefilePrivilege	312	chrome.exe
Token: SeShutdownPrivilege	312	chrome.exe
Token: SeCreatePagefilePrivilege	312	chrome.exe
Token: SeShutdownPrivilege	312	chrome.exe
Token: SeCreatePagefilePrivilege	312	chrome.exe
Token: SeShutdownPrivilege	312	chrome.exe
Token: SeCreatePagefilePrivilege	312	chrome.exe
Token: SeShutdownPrivilege	312	chrome.exe
Token: SeCreatePagefilePrivilege	312	chrome.exe
Token: SeShutdownPrivilege	312	chrome.exe
Token: SeCreatePagefilePrivilege	312	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe
312	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 312 wrote to memory of 3892	312	chrome.exe	85
PID 312 wrote to memory of 3892	312	chrome.exe	85
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 3504	312	chrome.exe	88
PID 312 wrote to memory of 976	312	chrome.exe	89
PID 312 wrote to memory of 976	312	chrome.exe	89
PID 312 wrote to memory of 4016	312	chrome.exe	90
PID 312 wrote to memory of 4016	312	chrome.exe	90
PID 312 wrote to memory of 4016	312	chrome.exe	90
PID 312 wrote to memory of 4016	312	chrome.exe	90
PID 312 wrote to memory of 4016	312	chrome.exe	90
PID 312 wrote to memory of 4016	312	chrome.exe	90
PID 312 wrote to memory of 4016	312	chrome.exe	90
PID 312 wrote to memory of 4016	312	chrome.exe	90
PID 312 wrote to memory of 4016	312	chrome.exe	90
PID 312 wrote to memory of 4016	312	chrome.exe	90
PID 312 wrote to memory of 4016	312	chrome.exe	90
PID 312 wrote to memory of 4016	312	chrome.exe	90
PID 312 wrote to memory of 4016	312	chrome.exe	90
PID 312 wrote to memory of 4016	312	chrome.exe	90
PID 312 wrote to memory of 4016	312	chrome.exe	90
PID 312 wrote to memory of 4016	312	chrome.exe	90
PID 312 wrote to memory of 4016	312	chrome.exe	90
PID 312 wrote to memory of 4016	312	chrome.exe	90
PID 312 wrote to memory of 4016	312	chrome.exe	90
PID 312 wrote to memory of 4016	312	chrome.exe	90
PID 312 wrote to memory of 4016	312	chrome.exe	90
PID 312 wrote to memory of 4016	312	chrome.exe	90

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://bgk-group.com/crimson.html#autoemail
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:312
- 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=0xfc,0x100,0x104,0xd8,0x108,0x7ffc8a8a9758,0x7ffc8a8a9768,0x7ffc8a8a9778
  2⤵
  PID:3892
- 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=1672 --field-trial-handle=1892,i,6975144387127940627,7572445118509850154,131072 /prefetch:2
  2⤵
  PID:3504
- 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=2124 --field-trial-handle=1892,i,6975144387127940627,7572445118509850154,131072 /prefetch:8
  2⤵
  PID:976
- 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=2232 --field-trial-handle=1892,i,6975144387127940627,7572445118509850154,131072 /prefetch:8
  2⤵
  PID:4016
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3180 --field-trial-handle=1892,i,6975144387127940627,7572445118509850154,131072 /prefetch:1
  2⤵
  PID:3544
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --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=3152 --field-trial-handle=1892,i,6975144387127940627,7572445118509850154,131072 /prefetch:1
  2⤵
  PID:4584
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4540 --field-trial-handle=1892,i,6975144387127940627,7572445118509850154,131072 /prefetch:1
  2⤵
  PID:2368
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=3804 --field-trial-handle=1892,i,6975144387127940627,7572445118509850154,131072 /prefetch:1
  2⤵
  PID:3884
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --mojo-platform-channel-handle=3432 --field-trial-handle=1892,i,6975144387127940627,7572445118509850154,131072 /prefetch:1
  2⤵
  PID:2820
- 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=5412 --field-trial-handle=1892,i,6975144387127940627,7572445118509850154,131072 /prefetch:8
  2⤵
  PID:4140
- 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=3216 --field-trial-handle=1892,i,6975144387127940627,7572445118509850154,131072 /prefetch:8
  2⤵
  PID:3340

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:3616

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\Preferences

Filesize
6KB

MD5
188b92396ca6d54adbd903ae14206b41

SHA1
2a0150f48c17620b2143f92b84edc5a876b93247

SHA256
7503cb19f4c4695a1cc56c8ed09de61345cae6bbe969c42ef46cdb2cbe538db8

SHA512
76c92439d1cf13b05ee7b7ad5120f509dfea90dad832f8939551a6675d549e45fc68aadd98b7eebd2388cf0d4f40a808eed0883bb5c800566787e615ed7bcbff

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

Filesize
101KB

MD5
c260226b6670ab9ca36d2e9d45cc021f

SHA1
fbb737213e36919cb88c3aa6bceb9bd30ab52bd8

SHA256
feec40d428598f14af1caf47586d4c8acf98ede50869d696549c9ca141f5b486

SHA512
9cc10d4389a8d8587481d800902a74e4689eb5a0d5c55c3b250fee1bef14ab221d5f738239839f207f8e9e48f2d379dd27a51a6a84d2ec6a94ca1964a410761a

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