efa40b55bdfcd2b7297593c5b8a0036e90ecf5411ca82dee3b9ff6d1e5ff87db

General

Target
efa40b55bdfcd2b7297593c5b8a0036e90ecf5411ca82dee3b9ff6d1e5ff87db.exe
Size 374KB
Sample260804-a89ssss1ev
SHA256 efa40b55bdfcd2b7297593c5b8a0036e90ecf5411ca82dee3b9ff6d1e5ff87db
MD5 7013c8ac33efbe3a91b7710aec7b0ac6
SHA1 5eecf0d6fb4dacb72ff8952cf15718fa3c742402
SHA512 59bdee653693578b7271af92ed5ef0b145b715f9321bb1851740c0b867fba6f183d5059f0b6529396b12d24ffb6536139ce7b43a99ba6d75f67e3c0e11980711
SSDEEP 6144:ScTgav1cdCTuoPbgwmOLJvKRILSFvdFDcEOkCybEaQRXr9HNdvOa:SSvO2x9mONvKRILSFnOkx2LIa
TLSH
T14B846D2AF6A0D076C4779579C4A247AAFBB1742137208ACFA390475A1F637E2BD3530D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

defense_evasion discovery spyware trojan

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1168	2ff881b9

Unexpected DNS network traffic destination 4 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	flow	ioc	pid	Process
Destination IP	4	223.5.5.5	4232	efa40b55bdfcd2b7297593c5b8a0036e90ecf5411ca82dee3b9ff6d1e5ff87db.exe
Destination IP	33	114.114.114.114	4232	efa40b55bdfcd2b7297593c5b8a0036e90ecf5411ca82dee3b9ff6d1e5ff87db.exe
Destination IP	34	223.5.5.5	4232	efa40b55bdfcd2b7297593c5b8a0036e90ecf5411ca82dee3b9ff6d1e5ff87db.exe
Destination IP	3	114.114.114.114	4232	efa40b55bdfcd2b7297593c5b8a0036e90ecf5411ca82dee3b9ff6d1e5ff87db.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\2ff881b9	efa40b55bdfcd2b7297593c5b8a0036e90ecf5411ca82dee3b9ff6d1e5ff87db.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	2ff881b9
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	2ff881b9
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	2ff881b9
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	2ff881b9

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\13ff20	2ff881b9
File opened for modification	C:\Windows\487410	efa40b55bdfcd2b7297593c5b8a0036e90ecf5411ca82dee3b9ff6d1e5ff87db.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	efa40b55bdfcd2b7297593c5b8a0036e90ecf5411ca82dee3b9ff6d1e5ff87db.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2ff881b9

Modifies data under HKEY_USERS 8 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2ff881b9
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2ff881b9
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2ff881b9
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2ff881b9
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2ff881b9
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2ff881b9
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2ff881b9
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2ff881b9

Modifies system certificate store 2 TTPs 2 IoCs

defense_evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA	efa40b55bdfcd2b7297593c5b8a0036e90ecf5411ca82dee3b9ff6d1e5ff87db.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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	efa40b55bdfcd2b7297593c5b8a0036e90ecf5411ca82dee3b9ff6d1e5ff87db.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1168	2ff881b9
1168	2ff881b9
1168	2ff881b9
1168	2ff881b9
1168	2ff881b9
1168	2ff881b9
1168	2ff881b9
1168	2ff881b9
4232	efa40b55bdfcd2b7297593c5b8a0036e90ecf5411ca82dee3b9ff6d1e5ff87db.exe
4232	efa40b55bdfcd2b7297593c5b8a0036e90ecf5411ca82dee3b9ff6d1e5ff87db.exe
4232	efa40b55bdfcd2b7297593c5b8a0036e90ecf5411ca82dee3b9ff6d1e5ff87db.exe
4232	efa40b55bdfcd2b7297593c5b8a0036e90ecf5411ca82dee3b9ff6d1e5ff87db.exe
4232	efa40b55bdfcd2b7297593c5b8a0036e90ecf5411ca82dee3b9ff6d1e5ff87db.exe
4232	efa40b55bdfcd2b7297593c5b8a0036e90ecf5411ca82dee3b9ff6d1e5ff87db.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4232	efa40b55bdfcd2b7297593c5b8a0036e90ecf5411ca82dee3b9ff6d1e5ff87db.exe
Token: SeTcbPrivilege	4232	efa40b55bdfcd2b7297593c5b8a0036e90ecf5411ca82dee3b9ff6d1e5ff87db.exe
Token: SeDebugPrivilege	1168	2ff881b9
Token: SeTcbPrivilege	1168	2ff881b9

C:\Users\Admin\AppData\Local\Temp\efa40b55bdfcd2b7297593c5b8a0036e90ecf5411ca82dee3b9ff6d1e5ff87db.exe
"C:\Users\Admin\AppData\Local\Temp\efa40b55bdfcd2b7297593c5b8a0036e90ecf5411ca82dee3b9ff6d1e5ff87db.exe"
1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4232

C:\Windows\Syswow64\2ff881b9
C:\Windows\Syswow64\2ff881b9
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1168

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

2ff881b9

Path C:\Windows\SysWOW64\2ff881b9
Size 374KB
SHA256 468bbc7be29c85e05e009f930a644cebf72e0c44f9ba4ed95d0b6cbb111194c0
MD5 b8272f4c73ae29aa7e30d7b66a5d114c
SHA1 8132b4a80bc077834d86cab2a68a74948e165a4b
SHA512 6d021d0907be802a3cc0b0d574a8550fc03b777ba7571006e35830a2b2c0ae406210385085375ee3c4d228e3a7ba3aaf74fc66f14ac53e30e89016a9396c5322
SSDEEP 6144:XcTgav1cdCTuoPbgwmOLJvKRILSFvdFDcEOkCybEaQRXr9HNdvOa:XSvO2x9mONvKRILSFnOkx2LIa
TLSH
T1A9846D2AF6A0D076C4779579C4A247AAFBB1742137208ACFA390475A1F637E2BD3530D
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1168-4-0x0000000000400000-0x0000000000463000-memory.dmp

Download

memory/4232-0-0x0000000000400000-0x0000000000463000-memory.dmp