deb6ee791144ab6d31fa6ca71efe1f9169fd0834b985596a2704778ab43115b8

Reason

Machine shutdown

General

Target

2db493c02c679809e9897ae8279f7579_JaffaCakes118.exe
Size

10KB
MD5

2db493c02c679809e9897ae8279f7579
SHA1

54cab9768a353681f36e34ff3be9dcdf3a1f402f
SHA256

deb6ee791144ab6d31fa6ca71efe1f9169fd0834b985596a2704778ab43115b8
SHA512

2eec1784fbbd77a43042ae759bdff527b05d6971e0684f907877a687e330088c9b5a0660308970d3914922915a4820ac4f277d34a148fa6b51959eaaa0b497f3
SSDEEP

192:7gc9THovq3VGytSGCSylrKFaNJhLkwcud2DH9VwGfct8+MUZnhG:r9Mvq3VGytSDmaNJawcudoD7UvbZnhG

Score

7^/10

upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\Control Panel\International\Geo\Nation	2db493c02c679809e9897ae8279f7579_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\Control Panel\International\Geo\Nation	b2e.exe

Executes dropped EXE 1 IoCs

pid	Process
2392	b2e.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3628-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3628-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "150"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3528	shutdown.exe
Token: SeRemoteShutdownPrivilege	3528	shutdown.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3136	LogonUI.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3628 wrote to memory of 2392	3628	2db493c02c679809e9897ae8279f7579_JaffaCakes118.exe	84
PID 3628 wrote to memory of 2392	3628	2db493c02c679809e9897ae8279f7579_JaffaCakes118.exe	84
PID 3628 wrote to memory of 2392	3628	2db493c02c679809e9897ae8279f7579_JaffaCakes118.exe	84
PID 2392 wrote to memory of 2496	2392	b2e.exe	86
PID 2392 wrote to memory of 2496	2392	b2e.exe	86
PID 2392 wrote to memory of 2496	2392	b2e.exe	86
PID 2496 wrote to memory of 3528	2496	cmd.exe	89
PID 2496 wrote to memory of 3528	2496	cmd.exe	89
PID 2496 wrote to memory of 3528	2496	cmd.exe	89
PID 2392 wrote to memory of 2752	2392	b2e.exe	91
PID 2392 wrote to memory of 2752	2392	b2e.exe	91
PID 2392 wrote to memory of 2752	2392	b2e.exe	91

C:\Users\Admin\AppData\Local\Temp\2db493c02c679809e9897ae8279f7579_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2db493c02c679809e9897ae8279f7579_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3628
- C:\Users\Admin\AppData\Local\Temp\EB3B.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\EB3B.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\EB3B.tmp\b2e.exe C:\Users\Admin\AppData\Local\Temp "C:\Users\Admin\AppData\Local\Temp\2db493c02c679809e9897ae8279f7579_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2392
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ECA2.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2496
  - - C:\Windows\SysWOW64\shutdown.exe
      shutdown -s -t 1
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:3528
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\selfdel0.bat" "
    3⤵
    PID:2752

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa3991855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:3136

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\EB3B.tmp\b2e.exe

Filesize
8KB

MD5
2d8e1e29c72b0dd98e33b1d5576b08c9

SHA1
76d537c192dedc56e98e6ac630e2b68d1352e637

SHA256
108fb34ffb70076137698eb27199d6f879f67d0cc5545e66c2c34a389b6630c4

SHA512
7d0e7b1d125ee225ad46247eec3ca397158d43a2c154c431d0e8bc41002e239d63bc9e43bab0c9f08f3daf81b8728c79f348e44e8ee535e2eeddb6f0a4fbc360

Download Submit
C:\Users\Admin\AppData\Local\Temp\ECA2.tmp\batchfile.bat

Filesize
16B

MD5
2a29cccbdf814e8c419a200110e51b54

SHA1
bb4c5452045ba6f9d6fd71c8824b582bb8426c56

SHA256
f1d0b882ca3a6dea35224c0d41d59a19d9be3cee6d7306d0f2df3e1a14170c32

SHA512
05915e6c06126f62fa34257c51a6be47e70c257f41199fb8aabaaa768fde3dc6b38c8d37e4677f70fccda62232cb8f0bc284558713410a3cabce749533ba3c18

Download Submit
C:\Users\Admin\AppData\Local\Temp\selfdel0.bat

Filesize
158B

MD5
6666d3efa269690b223bd24b6387d54f

SHA1
dd6d2384b16c6006d129fdd9898044893b9c66d2

SHA256
cfd5028e6dfa7569073b5642af9e267e7503d24dd84f6e0a821321a39003df4f

SHA512
c6ec714a86bb2445629dcc2692d3d6859ab754ddc723cb83b07e129a2a3d18676aed27ae5a1956ddf21d3fdf231a6cb7c51ed7cea84717bd34797df1162e551d

Download Submit
memory/2392-11-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2392-19-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3628-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3628-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

Errors