3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9

General

Target
3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe
Size 2.9MB
Sample260809-vdnmassbnf
SHA256 3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9
MD5 fdca347c713fa968dae4cf134cea26eb
SHA1 17a40f0defcfb927deb6742cc7294729ab60848f
SHA512 509e1f10e759df2bafe368e35737e9b1fb10b8a9ab2fbf2d9a11e6790973397309cfd093ba658d9f0746ff4ce1944316016fc772b702bb4294c5782cecd1f5b4
SSDEEP 49152:6HHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:6nKGEkOhCXHHFZMjHfUKkVWsM0r1F
TLSH
T1E6D59E31B6818036D1B7467186FA47BBA5257C211721A5CFB3C47B2A1FB36D2AE3170E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1968	31336cf0

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	2328	3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe
Destination IP	4	223.5.5.5	2328	3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe
Destination IP	27	114.114.114.114	2328	3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe
Destination IP	28	223.5.5.5	2328	3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\31336cf0	3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	31336cf0
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	31336cf0
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	31336cf0
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	31336cf0

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2328-0-0x0000000000F70000-0x0000000000FFC000-memory.dmp	upx
behavioral1/files/0x000c00000002432e-3.dat	upx
behavioral1/memory/1968-4-0x00000000006B0000-0x000000000073C000-memory.dmp	upx
behavioral1/memory/2328-10-0x0000000000F70000-0x0000000000FFC000-memory.dmp	upx
behavioral1/memory/1968-11-0x00000000006B0000-0x000000000073C000-memory.dmp	upx
behavioral1/memory/1968-19-0x00000000006B0000-0x000000000073C000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\21b160	31336cf0
File opened for modification	C:\Windows\27db30	3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.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	3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	31336cf0

Modifies data under HKEY_USERS 9 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	31336cf0
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	31336cf0
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	31336cf0
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	31336cf0
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	31336cf0
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	31336cf0
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	31336cf0
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	31336cf0
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	31336cf0

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1968	31336cf0
1968	31336cf0
1968	31336cf0
1968	31336cf0
1968	31336cf0
1968	31336cf0
1968	31336cf0
1968	31336cf0
2328	3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe
2328	3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe
2328	3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe
2328	3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe
2328	3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe
2328	3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2328	3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe
Token: SeTcbPrivilege	2328	3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe
Token: SeDebugPrivilege	1968	31336cf0
Token: SeTcbPrivilege	1968	31336cf0

C:\Users\Admin\AppData\Local\Temp\3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe
"C:\Users\Admin\AppData\Local\Temp\3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.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:2328

C:\Windows\Syswow64\31336cf0
C:\Windows\Syswow64\31336cf0
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:1968

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

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Downloads

31336cf0

Path C:\Windows\SysWOW64\31336cf0
Size 2.9MB
SHA256 1c0528b6bd8a7243d3909aae406a4719cd807537eaa12f565a46b3bc16c1fa88
MD5 a88861a2dbc8def182e5f14a03d3739f
SHA1 a91219af0200b333e6519a36eebc05b750bfb7fe
SHA512 99dce9f4ff8682dd0cd99b9e5b1d4db49e9eb25af7bf2da7feebf93b3f88a846aefc68e6c1285686cde9eb0d063c7ec8a387f5860b38e8a4355faa3112962b38
SSDEEP 49152:eHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:enKGEkOhCXHHFZMjHfUKkVWsM0r1F
TLSH
T12BD59E31B6818036D1B7467186FA47BBA5257C211721A5CFB3C47B2A1FB36D2AE3170E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1968-4-0x00000000006B0000-0x000000000073C000-memory.dmp

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memory/1968-11-0x00000000006B0000-0x000000000073C000-memory.dmp

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memory/1968-19-0x00000000006B0000-0x000000000073C000-memory.dmp

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memory/2328-0-0x0000000000F70000-0x0000000000FFC000-memory.dmp

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memory/2328-10-0x0000000000F70000-0x0000000000FFC000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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