55e55d66cd5963e15f5d16e2763e5973d7cdf109ee897f9491386ec111aad2c8

Analysis

max time kernel
149s
max time network
48s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
19/09/2022, 03:23

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General

Target

55e55d66cd5963e15f5d16e2763e5973d7cdf109ee897f9491386ec111aad2c8.exe
Size

260KB
MD5

17bffb7fb0dd124daef36c94f5a9f628
SHA1

bcf29c09abf7d3d2129fe7a94edec01af225cb79
SHA256

55e55d66cd5963e15f5d16e2763e5973d7cdf109ee897f9491386ec111aad2c8
SHA512

a186adf4e16245fb26d1758bf5e53540e5e90cc927e606496989762f6b0b9d527fd64157082baebc6bde7371dca7b838df55f04756387ce5dce3a08452b6b6c8
SSDEEP

1536:GM3i6EBXR2n7dqnfiVDIHMPV0+l/SLOUprPCo5bp9NLW2n7dqnfiVDIHMPV0+l/K:TeiVD+EmUSLOUprPTbp9NLteiVD+EmU

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\Firewall7 = "c:\\users\\public\\iexplore.exe"	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchhost7 = "c:\\users\\public\\svchhost.exe"	reg.exe

Enumerates connected drives 3 TTPs 11 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\g:	55e55d66cd5963e15f5d16e2763e5973d7cdf109ee897f9491386ec111aad2c8.exe
File opened (read-only)	\??\h:	55e55d66cd5963e15f5d16e2763e5973d7cdf109ee897f9491386ec111aad2c8.exe
File opened (read-only)	\??\j:	55e55d66cd5963e15f5d16e2763e5973d7cdf109ee897f9491386ec111aad2c8.exe
File opened (read-only)	\??\k:	55e55d66cd5963e15f5d16e2763e5973d7cdf109ee897f9491386ec111aad2c8.exe
File opened (read-only)	\??\m:	55e55d66cd5963e15f5d16e2763e5973d7cdf109ee897f9491386ec111aad2c8.exe
File opened (read-only)	\??\n:	55e55d66cd5963e15f5d16e2763e5973d7cdf109ee897f9491386ec111aad2c8.exe
File opened (read-only)	\??\e:	55e55d66cd5963e15f5d16e2763e5973d7cdf109ee897f9491386ec111aad2c8.exe
File opened (read-only)	\??\f:	55e55d66cd5963e15f5d16e2763e5973d7cdf109ee897f9491386ec111aad2c8.exe
File opened (read-only)	\??\o:	55e55d66cd5963e15f5d16e2763e5973d7cdf109ee897f9491386ec111aad2c8.exe
File opened (read-only)	\??\i:	55e55d66cd5963e15f5d16e2763e5973d7cdf109ee897f9491386ec111aad2c8.exe
File opened (read-only)	\??\l:	55e55d66cd5963e15f5d16e2763e5973d7cdf109ee897f9491386ec111aad2c8.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1948	55e55d66cd5963e15f5d16e2763e5973d7cdf109ee897f9491386ec111aad2c8.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 2044	1948	55e55d66cd5963e15f5d16e2763e5973d7cdf109ee897f9491386ec111aad2c8.exe	27
PID 1948 wrote to memory of 2044	1948	55e55d66cd5963e15f5d16e2763e5973d7cdf109ee897f9491386ec111aad2c8.exe	27
PID 1948 wrote to memory of 2044	1948	55e55d66cd5963e15f5d16e2763e5973d7cdf109ee897f9491386ec111aad2c8.exe	27
PID 1948 wrote to memory of 2044	1948	55e55d66cd5963e15f5d16e2763e5973d7cdf109ee897f9491386ec111aad2c8.exe	27
PID 1948 wrote to memory of 852	1948	55e55d66cd5963e15f5d16e2763e5973d7cdf109ee897f9491386ec111aad2c8.exe	29
PID 1948 wrote to memory of 852	1948	55e55d66cd5963e15f5d16e2763e5973d7cdf109ee897f9491386ec111aad2c8.exe	29
PID 1948 wrote to memory of 852	1948	55e55d66cd5963e15f5d16e2763e5973d7cdf109ee897f9491386ec111aad2c8.exe	29
PID 1948 wrote to memory of 852	1948	55e55d66cd5963e15f5d16e2763e5973d7cdf109ee897f9491386ec111aad2c8.exe	29

C:\Users\Admin\AppData\Local\Temp\55e55d66cd5963e15f5d16e2763e5973d7cdf109ee897f9491386ec111aad2c8.exe
"C:\Users\Admin\AppData\Local\Temp\55e55d66cd5963e15f5d16e2763e5973d7cdf109ee897f9491386ec111aad2c8.exe"
1⤵
- Enumerates connected drives
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Windows\SysWOW64\reg.exe
  reg add HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\ /v Firewall7 /t REG_SZ /d c:\users\public\iexplore.exe /f
  2⤵
  - Adds Run key to start application
  PID:2044
- C:\Windows\SysWOW64\reg.exe
  reg add HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\ /v svchhost7 /t REG_SZ /d c:\users\public\svchhost.exe /f
  2⤵
  - Adds Run key to start application
  PID:852

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

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1948-58-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

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memory/1948-59-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

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