88e349f19163414561754db8aca75fdf1b88ad91acd3c5b6ead831b8a097dbc7

General

Target
88e349f19163414561754db8aca75fdf1b88ad91acd3c5b6ead831b8a097dbc7.exe
Size 615KB
Sample260508-131wtaez5x
SHA256 88e349f19163414561754db8aca75fdf1b88ad91acd3c5b6ead831b8a097dbc7
MD5 e1d971ab7f5249d40b9c647faf1e9792
SHA1 fb64ac2fab5b938b8bdaede86108a8ba8c73b247
SHA512 667adfd0a61b81f658b5c9b68cf3b4a6d02064d3fb1bfd65fe558c0ea1be75ce64d89c5b8ecd23d9137cab884f6f3070c87f6c399c2a6afdc65e822c1a826af3
SSDEEP 12288:nSvO2x9mONvKRILSFnOkx2LIax5FAQjU/Liw:SvO2xJKRI2FOkx2LFicUV
TLSH
T1F1D44A31E241C03AD4A74576C6FA0BAFE5647D25531165CBA3C43A2A2FB36D2BE3170E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1824	a2fea8e0

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	11	223.5.5.5	1120	88e349f19163414561754db8aca75fdf1b88ad91acd3c5b6ead831b8a097dbc7.exe
Destination IP	1	114.114.114.114	1120	88e349f19163414561754db8aca75fdf1b88ad91acd3c5b6ead831b8a097dbc7.exe
Destination IP	2	223.5.5.5	1120	88e349f19163414561754db8aca75fdf1b88ad91acd3c5b6ead831b8a097dbc7.exe
Destination IP	10	114.114.114.114	1120	88e349f19163414561754db8aca75fdf1b88ad91acd3c5b6ead831b8a097dbc7.exe

Drops file in System32 directory 15 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046	a2fea8e0
File created	C:\Windows\SysWOW64\a2fea8e0	88e349f19163414561754db8aca75fdf1b88ad91acd3c5b6ead831b8a097dbc7.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	a2fea8e0
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft	a2fea8e0
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache	a2fea8e0
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData	a2fea8e0
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157	a2fea8e0
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8	a2fea8e0
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	a2fea8e0
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content	a2fea8e0
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046	a2fea8e0
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8	a2fea8e0
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	a2fea8e0
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157	a2fea8e0
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	a2fea8e0

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\1f3a40	a2fea8e0
File opened for modification	C:\Windows\132cc0	88e349f19163414561754db8aca75fdf1b88ad91acd3c5b6ead831b8a097dbc7.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	88e349f19163414561754db8aca75fdf1b88ad91acd3c5b6ead831b8a097dbc7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a2fea8e0

Modifies data under HKEY_USERS 9 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	a2fea8e0
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	a2fea8e0
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	a2fea8e0
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	a2fea8e0
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	a2fea8e0
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	a2fea8e0
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	a2fea8e0
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	a2fea8e0
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	a2fea8e0

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1824	a2fea8e0
1824	a2fea8e0
1824	a2fea8e0
1824	a2fea8e0
1824	a2fea8e0
1824	a2fea8e0
1824	a2fea8e0
1824	a2fea8e0
1120	88e349f19163414561754db8aca75fdf1b88ad91acd3c5b6ead831b8a097dbc7.exe
1120	88e349f19163414561754db8aca75fdf1b88ad91acd3c5b6ead831b8a097dbc7.exe
1120	88e349f19163414561754db8aca75fdf1b88ad91acd3c5b6ead831b8a097dbc7.exe
1120	88e349f19163414561754db8aca75fdf1b88ad91acd3c5b6ead831b8a097dbc7.exe
1120	88e349f19163414561754db8aca75fdf1b88ad91acd3c5b6ead831b8a097dbc7.exe
1120	88e349f19163414561754db8aca75fdf1b88ad91acd3c5b6ead831b8a097dbc7.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1120	88e349f19163414561754db8aca75fdf1b88ad91acd3c5b6ead831b8a097dbc7.exe
Token: SeTcbPrivilege	1120	88e349f19163414561754db8aca75fdf1b88ad91acd3c5b6ead831b8a097dbc7.exe
Token: SeDebugPrivilege	1824	a2fea8e0
Token: SeTcbPrivilege	1824	a2fea8e0

C:\Users\Admin\AppData\Local\Temp\88e349f19163414561754db8aca75fdf1b88ad91acd3c5b6ead831b8a097dbc7.exe
"C:\Users\Admin\AppData\Local\Temp\88e349f19163414561754db8aca75fdf1b88ad91acd3c5b6ead831b8a097dbc7.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:1120

C:\Windows\Syswow64\a2fea8e0
C:\Windows\Syswow64\a2fea8e0
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:1824

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

a2fea8e0

Path C:\Windows\SysWOW64\a2fea8e0
Size 615KB
SHA256 b576584b3d5ca188c8f8f470c0d069004d824ee70ae84ec19e5d88167c25548a
MD5 543e15e202aa96c8d39a013574e20e2f
SHA1 c95629e12e5914f96dc937257b384d8707044592
SHA512 ab24ab4dad0a1ae03f9864cbf84d16fdc23097986bb766bd4ad5e07f5d1d2cc4f067e81bba43d80c5c9b3179d0a04305d977592f3eca28fc252724ed8bf4cfe0
SSDEEP 12288:eSvO2x9mONvKRILSFnOkx2LIax5FAQjU/Liw:dvO2xJKRI2FOkx2LFicUV
TLSH
T157D44A31E241C03AD4A74576C6FA0BAFE5647D25531165CBA3C43A2A2FB36D2BE3170E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1120-0-0x0000000000400000-0x0000000000463000-memory.dmp

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memory/1120-25-0x0000000003040000-0x000000000313E000-memory.dmp

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memory/1120-35-0x0000000003040000-0x000000000313E000-memory.dmp

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memory/1120-38-0x0000000003040000-0x000000000313E000-memory.dmp

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memory/1120-41-0x0000000003040000-0x000000000313E000-memory.dmp

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memory/1120-42-0x0000000003040000-0x000000000313E000-memory.dmp

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memory/1824-4-0x0000000000400000-0x0000000000463000-memory.dmp

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memory/1824-18-0x0000000001C10000-0x0000000001D0E000-memory.dmp

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memory/1824-26-0x0000000001C10000-0x0000000001D0E000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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