899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b

General

Target
899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe
Size 395KB
Sample260528-tkhh7afw3x
SHA256 899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b
MD5 235c8678b41fb2c5b735207151cc97c6
SHA1 f1bac068198a52d58aba1203dc19fc4273a0b0f4
SHA512 198a435c8a93bbe1aa77228d38f511ac3e20f3bdee5f9f86413139c497519c3112ec101960c7c166aaf67a8e64be793b3b31e31fd0513e14f0f993460e3ec0d7
SSDEEP 6144:cwdK91cVMoSTZu05LOY0ftLy+mgFScEOkCybEaQRXr9HNdvOaxy8K:cn9OVKk05aY0ftLy+MOkx2LIaxy
TLSH
T16D846D2AF6A0D076C4B79578C49257A6FBB1742137204ACFA390475A1F637E2BE3630D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1992	5a52ca60

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	223.5.5.5	1768	899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe
Destination IP	51	114.114.114.114	1768	899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe
Destination IP	52	223.5.5.5	1768	899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe
Destination IP	1	114.114.114.114	1768	899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	5a52ca60
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	5a52ca60
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	5a52ca60
File created	C:\Windows\SysWOW64\5a52ca60	899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	5a52ca60

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\221a90	5a52ca60
File opened for modification	C:\Windows\1e44d0	899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.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	899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5a52ca60

Modifies data under HKEY_USERS 8 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	5a52ca60
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	5a52ca60
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	5a52ca60
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	5a52ca60
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	5a52ca60
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	5a52ca60
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	5a52ca60
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	5a52ca60

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1992	5a52ca60
1992	5a52ca60
1992	5a52ca60
1992	5a52ca60
1992	5a52ca60
1992	5a52ca60
1992	5a52ca60
1992	5a52ca60
1768	899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe
1768	899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe
1768	899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe
1768	899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe
1768	899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe
1768	899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1768	899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe
Token: SeTcbPrivilege	1768	899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe
Token: SeDebugPrivilege	1992	5a52ca60
Token: SeTcbPrivilege	1992	5a52ca60

C:\Users\Admin\AppData\Local\Temp\899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe
"C:\Users\Admin\AppData\Local\Temp\899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.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:1768

C:\Windows\Syswow64\5a52ca60
C:\Windows\Syswow64\5a52ca60
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:1992

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

5a52ca60

Path C:\Windows\SysWOW64\5a52ca60
Size 395KB
SHA256 3378093bed4dd9e1e8017ee9fe8f97a565d276be441a064b74674fa9977d04bb
MD5 3763e9ce4c2d030c119a4d3ad24b82bc
SHA1 37193a3b3f1e7c0f9dee5b0c17be9970c981066e
SHA512 b55aa9f59a32bc7f77179d430df6d0ef0222e3628e1977a70ca83b514049e08ac8edb5e276058fadfe1002ab42ce68dd68a6d69528ae8dfe2510b6cc463d1a9a
SSDEEP 6144:fwdK91cVMoSTZu05LOY0ftLy+mgFScEOkCybEaQRXr9HNdvOaxy8K:fn9OVKk05aY0ftLy+MOkx2LIaxy
TLSH
T1DF846D2AF6A0D076C4B79578C49257A6FBB1742137204ACFA390475A1F637E2BE3630D
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1768-0-0x00000000001C0000-0x0000000000223000-memory.dmp

Download

memory/1992-4-0x0000000000FB0000-0x0000000001013000-memory.dmp