499422dc9e9e33c685b93fb9bf5c90e03d7aa75af31fd1c05f152259a7bd8774

Analysis

max time kernel
1617s
max time network
1620s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
10-06-2023 16:32

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General

Target

UltimMC.exe
Size

8.8MB
MD5

dec33b921534bfefd0f06aee6af7291b
SHA1

0b6cfa43c79071272a865471f2927f62f6cc3d30
SHA256

499422dc9e9e33c685b93fb9bf5c90e03d7aa75af31fd1c05f152259a7bd8774
SHA512

b377aef7dfbab0aff7e706ada839dc4fb95a70024e98455c20a810de6bc872fc4a72c138b650e3f5ebc3dce23cc18ca771206f9e1af15f5882786c0c32af3bdc
SSDEEP

196608:1vEsCQdpPhdnaJjgDLEjixC9IDe4OHlnwd+PXHdiVzVsVKV4113VTVVxAVUVgVC2:QAO5gDhVA/YVsVKV4113VTVVxAVUVgV9

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows\CurrentVersion\Run	chrome.exe

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
880	chrome.exe
880	chrome.exe

Suspicious use of AdjustPrivilegeToken 22 IoCs

description	pid	Process
Token: SeShutdownPrivilege	880	chrome.exe
Token: SeShutdownPrivilege	880	chrome.exe
Token: SeShutdownPrivilege	880	chrome.exe
Token: SeShutdownPrivilege	880	chrome.exe
Token: SeShutdownPrivilege	880	chrome.exe
Token: SeShutdownPrivilege	880	chrome.exe
Token: SeShutdownPrivilege	880	chrome.exe
Token: SeShutdownPrivilege	880	chrome.exe
Token: SeShutdownPrivilege	880	chrome.exe
Token: SeShutdownPrivilege	880	chrome.exe
Token: SeShutdownPrivilege	880	chrome.exe
Token: SeShutdownPrivilege	880	chrome.exe
Token: SeShutdownPrivilege	880	chrome.exe
Token: SeShutdownPrivilege	880	chrome.exe
Token: SeShutdownPrivilege	880	chrome.exe
Token: SeShutdownPrivilege	880	chrome.exe
Token: SeShutdownPrivilege	880	chrome.exe
Token: SeShutdownPrivilege	880	chrome.exe
Token: SeShutdownPrivilege	880	chrome.exe
Token: SeShutdownPrivilege	880	chrome.exe
Token: SeShutdownPrivilege	880	chrome.exe
Token: SeShutdownPrivilege	880	chrome.exe

Suspicious use of FindShellTrayWindow 35 IoCs

pid	Process
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe

Suspicious use of SendNotifyMessage 32 IoCs

pid	Process
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe
880	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 880 wrote to memory of 1204	880	chrome.exe	29
PID 880 wrote to memory of 1204	880	chrome.exe	29
PID 880 wrote to memory of 1204	880	chrome.exe	29
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1008	880	chrome.exe	31
PID 880 wrote to memory of 1772	880	chrome.exe	32
PID 880 wrote to memory of 1772	880	chrome.exe	32
PID 880 wrote to memory of 1772	880	chrome.exe	32
PID 880 wrote to memory of 1796	880	chrome.exe	33
PID 880 wrote to memory of 1796	880	chrome.exe	33
PID 880 wrote to memory of 1796	880	chrome.exe	33
PID 880 wrote to memory of 1796	880	chrome.exe	33
PID 880 wrote to memory of 1796	880	chrome.exe	33
PID 880 wrote to memory of 1796	880	chrome.exe	33
PID 880 wrote to memory of 1796	880	chrome.exe	33
PID 880 wrote to memory of 1796	880	chrome.exe	33
PID 880 wrote to memory of 1796	880	chrome.exe	33
PID 880 wrote to memory of 1796	880	chrome.exe	33
PID 880 wrote to memory of 1796	880	chrome.exe	33
PID 880 wrote to memory of 1796	880	chrome.exe	33
PID 880 wrote to memory of 1796	880	chrome.exe	33
PID 880 wrote to memory of 1796	880	chrome.exe	33
PID 880 wrote to memory of 1796	880	chrome.exe	33
PID 880 wrote to memory of 1796	880	chrome.exe	33
PID 880 wrote to memory of 1796	880	chrome.exe	33
PID 880 wrote to memory of 1796	880	chrome.exe	33
PID 880 wrote to memory of 1796	880	chrome.exe	33

C:\Users\Admin\AppData\Local\Temp\UltimMC.exe
"C:\Users\Admin\AppData\Local\Temp\UltimMC.exe"
1⤵
PID:1516

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe"
1⤵
- Adds Run key to start application
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:880
- 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=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef6999758,0x7fef6999768,0x7fef6999778
  2⤵
  PID:1204
- 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=1172 --field-trial-handle=1328,i,9514550909286070068,8338660689520010816,131072 /prefetch:2
  2⤵
  PID:1008
- 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=1512 --field-trial-handle=1328,i,9514550909286070068,8338660689520010816,131072 /prefetch:8
  2⤵
  PID:1772
- 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=1604 --field-trial-handle=1328,i,9514550909286070068,8338660689520010816,131072 /prefetch:8
  2⤵
  PID:1796
- 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=2 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2252 --field-trial-handle=1328,i,9514550909286070068,8338660689520010816,131072 /prefetch:1
  2⤵
  PID:944
- 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=2 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2212 --field-trial-handle=1328,i,9514550909286070068,8338660689520010816,131072 /prefetch:1
  2⤵
  PID:1920
- 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=1524 --field-trial-handle=1328,i,9514550909286070068,8338660689520010816,131072 /prefetch:2
  2⤵
  PID:2072
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1528 --field-trial-handle=1328,i,9514550909286070068,8338660689520010816,131072 /prefetch:2
  2⤵
  PID:2200
- 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 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=9 --mojo-platform-channel-handle=1388 --field-trial-handle=1328,i,9514550909286070068,8338660689520010816,131072 /prefetch:1
  2⤵
  PID:2268
- 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=3908 --field-trial-handle=1328,i,9514550909286070068,8338660689520010816,131072 /prefetch:8
  2⤵
  PID:2300
- 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=4032 --field-trial-handle=1328,i,9514550909286070068,8338660689520010816,131072 /prefetch:8
  2⤵
  PID:2348
- 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=4176 --field-trial-handle=1328,i,9514550909286070068,8338660689520010816,131072 /prefetch:8
  2⤵
  PID:2436
- 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=4040 --field-trial-handle=1328,i,9514550909286070068,8338660689520010816,131072 /prefetch:8
  2⤵
  PID:2420

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:1624

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

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

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Downloads

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\2e054868-edb9-4814-b556-d95677ad3de5.tmp

Filesize
158KB

MD5
10b650408eba8a44ea1c8dacc2ea9490

SHA1
5f12b9206b028da922d79211124fc871a488e1e2

SHA256
fc9af761b8b76e8e7a2629e7274a2a334d3c8ada60ac8d1300abe5679de8a9a7

SHA512
1563f13c4c4bcc14b1c34731d571a8344fcedec06570b710fe67dc89c064501123ddd9af148a7dcdff1460f78eb313b3027824b14de7cb2fb24337dc1e1a0c68

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C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1

Filesize
264KB

MD5
f50f89a0a91564d0b8a211f8921aa7de

SHA1
112403a17dd69d5b9018b8cede023cb3b54eab7d

SHA256
b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

SHA512
bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

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

Filesize
4KB

MD5
d7e4dccbd65b4832ece15128192cec25

SHA1
9000106407839e506e6d3540ce2a596abe9739cd

SHA256
3c9486b8fe47eb4557e9f6485e2f9dd774d401716f040f1b0ee0f84e9a24c47d

SHA512
a3894652adc1321249515077de78d1341bfc569b70fa047d57f4368fe0fbb528c6bb268151a8db0f548f36e58e26c995b67e39e2ee71d6f48395b2d6dece8148

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\000004.dbtmp

Filesize
16B

MD5
6752a1d65b201c13b62ea44016eb221f

SHA1
58ecf154d01a62233ed7fb494ace3c3d4ffce08b

SHA256
0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

SHA512
9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

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

Filesize
158KB

MD5
9a2372e199ebbd3355d2f349b172d569

SHA1
0ea0de9b8409627572968bbe3c2a2190fcfc2924

SHA256
7243d46fd46c45c9aed5c96999d26bce36536bfb47bf992c063f9f8c03e17f2a

SHA512
b109a8d61c634bd1af29a9b20f11988936680a9fc801f349ccf8e923ed971be8ff552abc788e4d304986302d91197549317ce8c0a4dbfd472673ee0031b8b774

Download Submit