accce097da89140f76da6cc2427e4c23f8cfde7b07c4b71f9e028f3f55292f61

Analysis

max time kernel
142s
max time network
186s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
01/12/2022, 19:38

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General

Target

accce097da89140f76da6cc2427e4c23f8cfde7b07c4b71f9e028f3f55292f61.exe
Size

302KB
MD5

6239af6de8ea4e23b0adff2d9be59d88
SHA1

47e19c4eb8bdb9d9c576d088bcdc8f5fcf822a0b
SHA256

accce097da89140f76da6cc2427e4c23f8cfde7b07c4b71f9e028f3f55292f61
SHA512

e3916123009a24d50ed6107a87a6c7621fe2dbd94a50b213f42dd5611e1a64d8ff7bdc6def242667a26ceaba11b5aa76e754770d808e63867e3a14bafcfd8827
SSDEEP

6144:OIV/cch52VI5J5OeNw+2sY8zyDyStv7rYPr3R:OIichUWDciNhStvY7R

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Local\\Temp\\ACCCE0~1.EXE,"	accce097da89140f76da6cc2427e4c23f8cfde7b07c4b71f9e028f3f55292f61.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\userinit = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ACCCE0~1.EXE"	accce097da89140f76da6cc2427e4c23f8cfde7b07c4b71f9e028f3f55292f61.exe

Modifies WinLogon 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\fb43082a = "Ãi´Î\v“\f§:eJ#Ò¨\x12\u008f«Ø\t\x17¯¯*\x1aó\x1f½R¬r–\v\x18\a\x01S6ÅÉD7ƒä\x17\x03L\fZkîkHôÏP_?Qð$\n–8Ãâç`\vËbÈP+7¬\x11þà\x1fc\x1f:e\x13ÔŒ\x05òË\";Û‡7^\b\x18ª½scKã´V^îŽ¦ÖìN~$\x1bÛ€SÎnÔ.nÃ\x1ež}ˆ´[.fžÆv\u009d\x16•\x04À\x16^ìþU›¼æx>\x1eŽÆnõV¬ÖìFEÔ”.\x06V\x1c&œv³¼†{\x1cl¦#6îÀœ\r½,¬Î¤“Øüž$6Þ\bäCãíœu¤sÖ6&´¶\f[0à\x14óÖt\\¤$TNN+ì\x18pD}´ûftü[¾ƒó\x1bŽ`U\x0e˜ýŽþ\\\x144M5Ì“”3.DÎD"	accce097da89140f76da6cc2427e4c23f8cfde7b07c4b71f9e028f3f55292f61.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\System = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ACCCE0~1.EXE"	accce097da89140f76da6cc2427e4c23f8cfde7b07c4b71f9e028f3f55292f61.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
940	accce097da89140f76da6cc2427e4c23f8cfde7b07c4b71f9e028f3f55292f61.exe
940	accce097da89140f76da6cc2427e4c23f8cfde7b07c4b71f9e028f3f55292f61.exe
940	accce097da89140f76da6cc2427e4c23f8cfde7b07c4b71f9e028f3f55292f61.exe
940	accce097da89140f76da6cc2427e4c23f8cfde7b07c4b71f9e028f3f55292f61.exe
940	accce097da89140f76da6cc2427e4c23f8cfde7b07c4b71f9e028f3f55292f61.exe
940	accce097da89140f76da6cc2427e4c23f8cfde7b07c4b71f9e028f3f55292f61.exe
940	accce097da89140f76da6cc2427e4c23f8cfde7b07c4b71f9e028f3f55292f61.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeSecurityPrivilege	940	accce097da89140f76da6cc2427e4c23f8cfde7b07c4b71f9e028f3f55292f61.exe
Token: SeSecurityPrivilege	940	accce097da89140f76da6cc2427e4c23f8cfde7b07c4b71f9e028f3f55292f61.exe
Token: SeSecurityPrivilege	940	accce097da89140f76da6cc2427e4c23f8cfde7b07c4b71f9e028f3f55292f61.exe
Token: SeSecurityPrivilege	940	accce097da89140f76da6cc2427e4c23f8cfde7b07c4b71f9e028f3f55292f61.exe

C:\Users\Admin\AppData\Local\Temp\accce097da89140f76da6cc2427e4c23f8cfde7b07c4b71f9e028f3f55292f61.exe
"C:\Users\Admin\AppData\Local\Temp\accce097da89140f76da6cc2427e4c23f8cfde7b07c4b71f9e028f3f55292f61.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Modifies WinLogon
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:940

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Winlogon Helper DLL

T1004

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/940-54-0x00000000756B1000-0x00000000756B3000-memory.dmp

Filesize
8KB

Download
memory/940-55-0x000000007EF40000-0x000000007EFA9000-memory.dmp

Filesize
420KB

Download
memory/940-56-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download
memory/940-58-0x0000000001FB0000-0x0000000002062000-memory.dmp

Filesize
712KB

Download
memory/940-57-0x0000000001FB0000-0x0000000002062000-memory.dmp

Filesize
712KB

Download
memory/940-59-0x0000000001FB0000-0x0000000002062000-memory.dmp

Filesize
712KB

Download
memory/940-61-0x0000000001FB0000-0x0000000002062000-memory.dmp

Filesize
712KB

Download
memory/940-62-0x0000000001FB0000-0x0000000002062000-memory.dmp

Filesize
712KB

Download
memory/940-64-0x0000000001FB0000-0x0000000002062000-memory.dmp

Filesize
712KB

Download
memory/940-65-0x0000000002690000-0x0000000002748000-memory.dmp

Filesize
736KB

Download
memory/940-66-0x000000007EF40000-0x000000007EFA9000-memory.dmp

Filesize
420KB

Download
memory/940-67-0x0000000002690000-0x0000000002748000-memory.dmp

Filesize
736KB

Download