e5bcf9f3bd0121fcbcd718c91fb2f03a518cf6a0c46dd954e339ba633ec4b1f0

Analysis

max time kernel
61s
max time network
67s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
06/12/2022, 09:46

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General

Target

e5bcf9f3bd0121fcbcd718c91fb2f03a518cf6a0c46dd954e339ba633ec4b1f0.exe
Size

44KB
MD5

1900516995d8a1ea270782beb2f92a58
SHA1

1069180bccd0c43ba3ab4eb0377c22a166d3be94
SHA256

e5bcf9f3bd0121fcbcd718c91fb2f03a518cf6a0c46dd954e339ba633ec4b1f0
SHA512

547143ea23fa39bf50f37e4467b32dffdbe961937bd3b41bc3069f6eef8c837464ce2c8e8647f48bae218e8875b42d22dbf5b09cc49a155b52ad788df11ab2c0
SSDEEP

768:vpGpjatstd86UBE5ZbjTEypeGcMqbeUijprS8U09UDu0:vp9tstq6UijgypeGcpb3kOpDu0

Score

8^/10

persistence

Malware Config

Signatures

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{37D6A6FC-5DC9-F270-C150-2B32FBEF1EE4}	e5bcf9f3bd0121fcbcd718c91fb2f03a518cf6a0c46dd954e339ba633ec4b1f0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{37D6A6FC-5DC9-F270-C150-2B32FBEF1EE4}\stubpath = "%SystemRoot%\\system32\\wuapi.exe"	e5bcf9f3bd0121fcbcd718c91fb2f03a518cf6a0c46dd954e339ba633ec4b1f0.exe

Deletes itself 1 IoCs

pid	Process
892	cmd.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\wuapi.exe	e5bcf9f3bd0121fcbcd718c91fb2f03a518cf6a0c46dd954e339ba633ec4b1f0.exe
File opened for modification	C:\Windows\SysWOW64\wuapi.exe	e5bcf9f3bd0121fcbcd718c91fb2f03a518cf6a0c46dd954e339ba633ec4b1f0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1292	e5bcf9f3bd0121fcbcd718c91fb2f03a518cf6a0c46dd954e339ba633ec4b1f0.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1292 wrote to memory of 2028	1292	e5bcf9f3bd0121fcbcd718c91fb2f03a518cf6a0c46dd954e339ba633ec4b1f0.exe	27
PID 1292 wrote to memory of 2028	1292	e5bcf9f3bd0121fcbcd718c91fb2f03a518cf6a0c46dd954e339ba633ec4b1f0.exe	27
PID 1292 wrote to memory of 2028	1292	e5bcf9f3bd0121fcbcd718c91fb2f03a518cf6a0c46dd954e339ba633ec4b1f0.exe	27
PID 1292 wrote to memory of 2028	1292	e5bcf9f3bd0121fcbcd718c91fb2f03a518cf6a0c46dd954e339ba633ec4b1f0.exe	27
PID 1292 wrote to memory of 892	1292	e5bcf9f3bd0121fcbcd718c91fb2f03a518cf6a0c46dd954e339ba633ec4b1f0.exe	31
PID 1292 wrote to memory of 892	1292	e5bcf9f3bd0121fcbcd718c91fb2f03a518cf6a0c46dd954e339ba633ec4b1f0.exe	31
PID 1292 wrote to memory of 892	1292	e5bcf9f3bd0121fcbcd718c91fb2f03a518cf6a0c46dd954e339ba633ec4b1f0.exe	31
PID 1292 wrote to memory of 892	1292	e5bcf9f3bd0121fcbcd718c91fb2f03a518cf6a0c46dd954e339ba633ec4b1f0.exe	31

C:\Users\Admin\AppData\Local\Temp\e5bcf9f3bd0121fcbcd718c91fb2f03a518cf6a0c46dd954e339ba633ec4b1f0.exe
"C:\Users\Admin\AppData\Local\Temp\e5bcf9f3bd0121fcbcd718c91fb2f03a518cf6a0c46dd954e339ba633ec4b1f0.exe"
1⤵
- Modifies Installed Components in the registry
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1292
- C:\Windows\SysWOW64\reg.exe
  reg delete "HKEY_CURRENT_USER\Software\Microsoft\Active Setup\Installed Components\{37D6A6FC-5DC9-F270-C150-2B32FBEF1EE4}" /f
  2⤵
  PID:2028
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\E5BCF9~1.EXE > nul
  2⤵
  - Deletes itself
  PID:892

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1292-54-0x00000000762E1000-0x00000000762E3000-memory.dmp

Filesize
8KB

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