21babac91b607031d6e0d7642918bcdc5b62d1ab409838b62adc63c00ceece88

Analysis

max time kernel
93s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
05/07/2024, 01:32

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General

Target

Mehlwand.zip
Size

29KB
MD5

0e9f6c7c6f2c83535fb10ce7e7551416
SHA1

e8ce9fb87c2fb768aba01b6576d88547c1ca3142
SHA256

21babac91b607031d6e0d7642918bcdc5b62d1ab409838b62adc63c00ceece88
SHA512

c120e263d884e7fb0b90cc2e5a3ebe6a24c14bcdcd9a75483d5f96d6186cb4a33f0a8b22195e756afc35337a809f9b3f706c9aa2977e6924b838266fa17341e2
SSDEEP

768:3WsOok8sWymeKJZT8oRhiH/x/D+82/mGsdJY9v:kVMhiH/x/D+8C39

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
2692	chrome.exe
2692	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs

pid	Process
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2692	chrome.exe
Token: SeCreatePagefilePrivilege	2692	chrome.exe
Token: SeShutdownPrivilege	2692	chrome.exe
Token: SeCreatePagefilePrivilege	2692	chrome.exe
Token: SeShutdownPrivilege	2692	chrome.exe
Token: SeCreatePagefilePrivilege	2692	chrome.exe
Token: SeShutdownPrivilege	2692	chrome.exe
Token: SeCreatePagefilePrivilege	2692	chrome.exe
Token: SeShutdownPrivilege	2692	chrome.exe
Token: SeCreatePagefilePrivilege	2692	chrome.exe
Token: SeShutdownPrivilege	2692	chrome.exe
Token: SeCreatePagefilePrivilege	2692	chrome.exe
Token: SeShutdownPrivilege	2692	chrome.exe
Token: SeCreatePagefilePrivilege	2692	chrome.exe
Token: SeShutdownPrivilege	2692	chrome.exe
Token: SeCreatePagefilePrivilege	2692	chrome.exe
Token: SeShutdownPrivilege	2692	chrome.exe
Token: SeCreatePagefilePrivilege	2692	chrome.exe
Token: SeShutdownPrivilege	2692	chrome.exe
Token: SeCreatePagefilePrivilege	2692	chrome.exe
Token: SeShutdownPrivilege	2692	chrome.exe
Token: SeCreatePagefilePrivilege	2692	chrome.exe
Token: SeShutdownPrivilege	2692	chrome.exe
Token: SeCreatePagefilePrivilege	2692	chrome.exe

Suspicious use of FindShellTrayWindow 28 IoCs

pid	Process
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe
2692	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 1980	2692	chrome.exe	86
PID 2692 wrote to memory of 1980	2692	chrome.exe	86
PID 2692 wrote to memory of 2212	2692	chrome.exe	87
PID 2692 wrote to memory of 2212	2692	chrome.exe	87
PID 2692 wrote to memory of 2212	2692	chrome.exe	87
PID 2692 wrote to memory of 2212	2692	chrome.exe	87
PID 2692 wrote to memory of 2212	2692	chrome.exe	87
PID 2692 wrote to memory of 2212	2692	chrome.exe	87
PID 2692 wrote to memory of 2212	2692	chrome.exe	87
PID 2692 wrote to memory of 2212	2692	chrome.exe	87
PID 2692 wrote to memory of 2212	2692	chrome.exe	87
PID 2692 wrote to memory of 2212	2692	chrome.exe	87
PID 2692 wrote to memory of 2212	2692	chrome.exe	87
PID 2692 wrote to memory of 2212	2692	chrome.exe	87
PID 2692 wrote to memory of 2212	2692	chrome.exe	87
PID 2692 wrote to memory of 2212	2692	chrome.exe	87
PID 2692 wrote to memory of 2212	2692	chrome.exe	87
PID 2692 wrote to memory of 2212	2692	chrome.exe	87
PID 2692 wrote to memory of 2212	2692	chrome.exe	87
PID 2692 wrote to memory of 2212	2692	chrome.exe	87
PID 2692 wrote to memory of 2212	2692	chrome.exe	87
PID 2692 wrote to memory of 2212	2692	chrome.exe	87
PID 2692 wrote to memory of 2212	2692	chrome.exe	87
PID 2692 wrote to memory of 2212	2692	chrome.exe	87
PID 2692 wrote to memory of 2212	2692	chrome.exe	87
PID 2692 wrote to memory of 2212	2692	chrome.exe	87
PID 2692 wrote to memory of 2212	2692	chrome.exe	87
PID 2692 wrote to memory of 2212	2692	chrome.exe	87
PID 2692 wrote to memory of 2212	2692	chrome.exe	87
PID 2692 wrote to memory of 2212	2692	chrome.exe	87
PID 2692 wrote to memory of 2212	2692	chrome.exe	87
PID 2692 wrote to memory of 2212	2692	chrome.exe	87
PID 2692 wrote to memory of 2212	2692	chrome.exe	87
PID 2692 wrote to memory of 2488	2692	chrome.exe	88
PID 2692 wrote to memory of 2488	2692	chrome.exe	88
PID 2692 wrote to memory of 3216	2692	chrome.exe	89
PID 2692 wrote to memory of 3216	2692	chrome.exe	89
PID 2692 wrote to memory of 3216	2692	chrome.exe	89
PID 2692 wrote to memory of 3216	2692	chrome.exe	89
PID 2692 wrote to memory of 3216	2692	chrome.exe	89
PID 2692 wrote to memory of 3216	2692	chrome.exe	89
PID 2692 wrote to memory of 3216	2692	chrome.exe	89
PID 2692 wrote to memory of 3216	2692	chrome.exe	89
PID 2692 wrote to memory of 3216	2692	chrome.exe	89
PID 2692 wrote to memory of 3216	2692	chrome.exe	89
PID 2692 wrote to memory of 3216	2692	chrome.exe	89
PID 2692 wrote to memory of 3216	2692	chrome.exe	89
PID 2692 wrote to memory of 3216	2692	chrome.exe	89
PID 2692 wrote to memory of 3216	2692	chrome.exe	89
PID 2692 wrote to memory of 3216	2692	chrome.exe	89
PID 2692 wrote to memory of 3216	2692	chrome.exe	89
PID 2692 wrote to memory of 3216	2692	chrome.exe	89
PID 2692 wrote to memory of 3216	2692	chrome.exe	89
PID 2692 wrote to memory of 3216	2692	chrome.exe	89
PID 2692 wrote to memory of 3216	2692	chrome.exe	89
PID 2692 wrote to memory of 3216	2692	chrome.exe	89
PID 2692 wrote to memory of 3216	2692	chrome.exe	89
PID 2692 wrote to memory of 3216	2692	chrome.exe	89
PID 2692 wrote to memory of 3216	2692	chrome.exe	89
PID 2692 wrote to memory of 3216	2692	chrome.exe	89
PID 2692 wrote to memory of 3216	2692	chrome.exe	89
PID 2692 wrote to memory of 3216	2692	chrome.exe	89
PID 2692 wrote to memory of 3216	2692	chrome.exe	89
PID 2692 wrote to memory of 3216	2692	chrome.exe	89

C:\Windows\Explorer.exe
C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\Mehlwand.zip
1⤵
PID:1856

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe"
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:2692
- 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=110.0.5481.104 --initial-client-data=0x11c,0x120,0x124,0xf8,0x128,0x7ffac9ebab58,0x7ffac9ebab68,0x7ffac9ebab78
  2⤵
  PID:1980
- 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=1844 --field-trial-handle=1928,i,6287894498053206465,750296076243113903,131072 /prefetch:2
  2⤵
  PID:2212
- 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=2116 --field-trial-handle=1928,i,6287894498053206465,750296076243113903,131072 /prefetch:8
  2⤵
  PID:2488
- 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=service --mojo-platform-channel-handle=2176 --field-trial-handle=1928,i,6287894498053206465,750296076243113903,131072 /prefetch:8
  2⤵
  PID:3216
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --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=3060 --field-trial-handle=1928,i,6287894498053206465,750296076243113903,131072 /prefetch:1
  2⤵
  PID:912
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3068 --field-trial-handle=1928,i,6287894498053206465,750296076243113903,131072 /prefetch:1
  2⤵
  PID:4992
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4444 --field-trial-handle=1928,i,6287894498053206465,750296076243113903,131072 /prefetch:1
  2⤵
  PID:3256
- 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=4684 --field-trial-handle=1928,i,6287894498053206465,750296076243113903,131072 /prefetch:8
  2⤵
  PID:5108
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4776 --field-trial-handle=1928,i,6287894498053206465,750296076243113903,131072 /prefetch:8
  2⤵
  PID:2580
- 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=4896 --field-trial-handle=1928,i,6287894498053206465,750296076243113903,131072 /prefetch:8
  2⤵
  PID:1840

C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe"
1⤵
PID:3016

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:848

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\Network\Network Persistent State

Filesize
1KB

MD5
cb91739001eaee169d7eedfb35b7bccc

SHA1
b271b811223dfeaedc3bce3ae4dfe395f648417f

SHA256
ca15bddb980966f08d652b706a901acfb159733b648213323620d67b3a596b84

SHA512
25228ba2b858c37951819524982d137801a2a47b0f899dab5627bf9fed4a12e8eb15026a5bc2a87b5438956edd0686bcab9994e72fcf4c6395f5503b4df55d64

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports

Filesize
2B

MD5
d751713988987e9331980363e24189ce

SHA1
97d170e1550eee4afc0af065b78cda302a97674c

SHA256
4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

SHA512
b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

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

Filesize
356B

MD5
b18eea2e1d77b5e9c2f9df48d34b9314

SHA1
609d829860b4edb4d1bc9b172ea9d0e9e3fcb78f

SHA256
b986c5bdf27ac6acbd30ffe025d485505d5ecc7d597426211eb5ef5b4be990f6

SHA512
1c5be92c0dec217d8ad60e6d5f1b17ee9bd702059f820637a1875bd7b6f6dc05a5cb3981187c9596d75e246e4575808fdbda7cd105a249821d2cd809718a22dc

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

Filesize
6KB

MD5
f697414cae820e2c5099bd2324ea1407

SHA1
f49ed93b0bec195aeb4657af26b3ea6c884a5332

SHA256
ea41d289181c422c91648414748516b1dad3984babda715fb49ef5e9d201d0e1

SHA512
956dc0441f1ace14c9a2136ba6adf6cdca9f1c268495b71ae3bff78cb42c72581e7c31ccb02109109bb70cd22823c3704337cc1e73f99a204e93324ebf53b967

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

Filesize
6KB

MD5
0b68f1fb73c0cc146eee925db4e0955e

SHA1
2515acc6316d3aa5074383e936d47eb9e7012896

SHA256
4582e89ee9bdb3fd974abe74fdd6d4e54ff19e7140cd719d2f03708d4a46d850

SHA512
6231ba6d5a53e5273d38794f6639028df5c061d0905726933e10f17bcd7f1de64746e84cfbaf6df1b9165953597289c91b65d843e51c31d5127716288080b811

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

Filesize
285KB

MD5
0fc9f5784ab814c16dd75659da8b4d11

SHA1
d8e91e6cf1e84cbf8964116c281b0b7184aae0b6

SHA256
4ff46f899bce9b5dc23095b509f67ec9d0479f83091a93830a0074863f1ce649

SHA512
6cf147a95c04fd7e9defda5ea6b9a40e676b0fc3fda8e2ebaa3d6a854987a953fa7f71fb33df0eef8bb7a9fabcbf9b5769fbbbc043d3058179539adcff9f447a

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

Filesize
285KB

MD5
ed170cd06d5d277adae859478153de01

SHA1
68a1b18cd16c0d96adeeec16055d3388e067dfce

SHA256
8814ab51ab4bcbbf3e9bb012038a0140146a37fd465ec09796c7fb491eb117e3

SHA512
8db383df79539ec01df0cc233dbb0084dc180c86e961b8f78af1cc963118ce9ccf34cd803a10ca9d340f61255a179c6d299a4418c8c8c190b9590543b8e4e22b

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\ShaderCache\data_1

Filesize
264KB

MD5
f50f89a0a91564d0b8a211f8921aa7de

SHA1
112403a17dd69d5b9018b8cede023cb3b54eab7d

SHA256
b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

SHA512
bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

Download Submit