a44cd7b937f7ea316bdbd4e955aa9dce409415bb01e070b96d935bcf0cd3cfe9

General

Target
a44cd7b937f7ea316bdbd4e955aa9dce409415bb01e070b96d935bcf0cd3cfe9.exe
Size 419KB
Sample260827-jdlbdsy1fv
SHA256 a44cd7b937f7ea316bdbd4e955aa9dce409415bb01e070b96d935bcf0cd3cfe9
MD5 848cb7ec0307e2c74ea4781f34436584
SHA1 5c94bc9bc3ac87025dc922ee076625032747c386
SHA512 70907fe08f02ff8c7b95542bb3363aabf7e13a5b42dec5289c376496ca2533b21c071b1f7f8c43d8656033f4c950ea3aa552bf69667b81cc6d7565853a616353
SSDEEP 6144:q6DmGnV0H2LALrYcdwVDL+gqFCcEOkCybEaQRXr9HNdvOa:q6D/WiA3YcyVDLjOkx2LIa
TLSH
T1A0947C29BAE08073C5678576C4E257A6FBB1B52127108ACFA390475A1F237E3BD3531E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

defense_evasion discovery spyware trojan

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4980	a310c3e4

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	3	114.114.114.114	1680	a44cd7b937f7ea316bdbd4e955aa9dce409415bb01e070b96d935bcf0cd3cfe9.exe
Destination IP	4	223.5.5.5	1680	a44cd7b937f7ea316bdbd4e955aa9dce409415bb01e070b96d935bcf0cd3cfe9.exe
Destination IP	48	114.114.114.114	1680	a44cd7b937f7ea316bdbd4e955aa9dce409415bb01e070b96d935bcf0cd3cfe9.exe
Destination IP	51	223.5.5.5	1680	a44cd7b937f7ea316bdbd4e955aa9dce409415bb01e070b96d935bcf0cd3cfe9.exe

Drops file in System32 directory 15 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft	a310c3e4
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache	a310c3e4
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046	a310c3e4
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8	a310c3e4
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046	a310c3e4
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	a310c3e4
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	a310c3e4
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	a310c3e4
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	a310c3e4
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1	a310c3e4
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1	a310c3e4
File created	C:\Windows\SysWOW64\a310c3e4	a44cd7b937f7ea316bdbd4e955aa9dce409415bb01e070b96d935bcf0cd3cfe9.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData	a310c3e4
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content	a310c3e4
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8	a310c3e4

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\554268	a310c3e4
File opened for modification	C:\Windows\1cc320	a44cd7b937f7ea316bdbd4e955aa9dce409415bb01e070b96d935bcf0cd3cfe9.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	a44cd7b937f7ea316bdbd4e955aa9dce409415bb01e070b96d935bcf0cd3cfe9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a310c3e4

Modifies data under HKEY_USERS 9 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	a310c3e4
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	a310c3e4
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	a310c3e4
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	a310c3e4
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	a310c3e4
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	a310c3e4
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	a310c3e4
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	a310c3e4
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	a310c3e4

Modifies system certificate store 2 TTPs 2 IoCs

defense_evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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	a310c3e4
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA	a310c3e4

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
4980	a310c3e4
4980	a310c3e4
4980	a310c3e4
4980	a310c3e4
4980	a310c3e4
4980	a310c3e4
4980	a310c3e4
4980	a310c3e4
1680	a44cd7b937f7ea316bdbd4e955aa9dce409415bb01e070b96d935bcf0cd3cfe9.exe
1680	a44cd7b937f7ea316bdbd4e955aa9dce409415bb01e070b96d935bcf0cd3cfe9.exe
1680	a44cd7b937f7ea316bdbd4e955aa9dce409415bb01e070b96d935bcf0cd3cfe9.exe
1680	a44cd7b937f7ea316bdbd4e955aa9dce409415bb01e070b96d935bcf0cd3cfe9.exe
1680	a44cd7b937f7ea316bdbd4e955aa9dce409415bb01e070b96d935bcf0cd3cfe9.exe
1680	a44cd7b937f7ea316bdbd4e955aa9dce409415bb01e070b96d935bcf0cd3cfe9.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1680	a44cd7b937f7ea316bdbd4e955aa9dce409415bb01e070b96d935bcf0cd3cfe9.exe
Token: SeTcbPrivilege	1680	a44cd7b937f7ea316bdbd4e955aa9dce409415bb01e070b96d935bcf0cd3cfe9.exe
Token: SeDebugPrivilege	4980	a310c3e4
Token: SeTcbPrivilege	4980	a310c3e4

C:\Users\Admin\AppData\Local\Temp\a44cd7b937f7ea316bdbd4e955aa9dce409415bb01e070b96d935bcf0cd3cfe9.exe
"C:\Users\Admin\AppData\Local\Temp\a44cd7b937f7ea316bdbd4e955aa9dce409415bb01e070b96d935bcf0cd3cfe9.exe"
1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1680

C:\Windows\Syswow64\a310c3e4
C:\Windows\Syswow64\a310c3e4
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
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4980

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

Replay Monitor

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Downloads

a310c3e4

Path C:\Windows\SysWOW64\a310c3e4
Size 419KB
SHA256 957e4313aa5e9abde43abca14ead5738a3e5ea41287043f8d34d27eadda799f1
MD5 b1a5ec2a13d3a23dccea0bd37dccfb47
SHA1 909e2366ade73f4363ebd4d15cc5f8f9a9f1a26e
SHA512 2ef6c1f52020ce5dbe49feb0601b7cb44e38e306362389b57cd51fdafd092f5a54095e01fbb21172e9308d015f855c5578335a6d6734a14115d591eccbbf0959
SSDEEP 6144:s6DmGnV0H2LALrYcdwVDL+gqFCcEOkCybEaQRXr9HNdvOa:s6D/WiA3YcyVDLjOkx2LIa
TLSH
T12D947C29BAE08073C5678576C4E257A6FBB1B52127108ACFA390475A1F237E3BD3531E
MD5 SHA1 SHA512 SSDEEP TLSH

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