e475fa7b97438e6a23c94a93dfd98e3bb58bb58f3d28d1bb2a23992056be6af1

General

Target
e475fa7b97438e6a23c94a93dfd98e3bb58bb58f3d28d1bb2a23992056be6af1.exe
Size 1.9MB
Sample260510-hytmtsay21
SHA256 e475fa7b97438e6a23c94a93dfd98e3bb58bb58f3d28d1bb2a23992056be6af1
MD5 ea95ddf312875cb244330416f4bd5e39
SHA1 b6ed294f40b9ec053e58dc48cf92a9e261602c2f
SHA512 4ab2580ae71da38e34c5c666572b55bfbbcd386667b453dc68d47829d524df664a380c8a6cd983f91f8e98d14356d0e49faeb3780d8e0132917e4932b1dcddf1
SSDEEP 49152:4HHKO2FQd1oOU82lPJ6PsfsCWFn5+ovhnFvTGh:4nKl2qOb2lP8ssYoJxKh
TLSH
T17295CF12F7B1C0B2C4A742748866C32EE671BD115B218EDBA7C03B5A5E727D17E3A349
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4752	36b33933

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	31	114.114.114.114	4572	e475fa7b97438e6a23c94a93dfd98e3bb58bb58f3d28d1bb2a23992056be6af1.exe
Destination IP	32	223.5.5.5	4572	e475fa7b97438e6a23c94a93dfd98e3bb58bb58f3d28d1bb2a23992056be6af1.exe
Destination IP	2	114.114.114.114	4572	e475fa7b97438e6a23c94a93dfd98e3bb58bb58f3d28d1bb2a23992056be6af1.exe
Destination IP	4	223.5.5.5	4572	e475fa7b97438e6a23c94a93dfd98e3bb58bb58f3d28d1bb2a23992056be6af1.exe

Drops file in System32 directory 13 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8	36b33933
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8	36b33933
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	36b33933
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	36b33933
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft	36b33933
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache	36b33933
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046	36b33933
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content	36b33933
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046	36b33933
File created	C:\Windows\SysWOW64\36b33933	e475fa7b97438e6a23c94a93dfd98e3bb58bb58f3d28d1bb2a23992056be6af1.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	36b33933
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	36b33933
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData	36b33933

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\515b20	36b33933
File opened for modification	C:\Windows\4e4638	e475fa7b97438e6a23c94a93dfd98e3bb58bb58f3d28d1bb2a23992056be6af1.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	e475fa7b97438e6a23c94a93dfd98e3bb58bb58f3d28d1bb2a23992056be6af1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	36b33933

Modifies data under HKEY_USERS 9 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	36b33933
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	36b33933
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	36b33933
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	36b33933
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	36b33933
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	36b33933
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	36b33933
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	36b33933
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	36b33933

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
4752	36b33933
4752	36b33933
4752	36b33933
4752	36b33933
4752	36b33933
4752	36b33933
4752	36b33933
4752	36b33933
4572	e475fa7b97438e6a23c94a93dfd98e3bb58bb58f3d28d1bb2a23992056be6af1.exe
4572	e475fa7b97438e6a23c94a93dfd98e3bb58bb58f3d28d1bb2a23992056be6af1.exe
4572	e475fa7b97438e6a23c94a93dfd98e3bb58bb58f3d28d1bb2a23992056be6af1.exe
4572	e475fa7b97438e6a23c94a93dfd98e3bb58bb58f3d28d1bb2a23992056be6af1.exe
4572	e475fa7b97438e6a23c94a93dfd98e3bb58bb58f3d28d1bb2a23992056be6af1.exe
4572	e475fa7b97438e6a23c94a93dfd98e3bb58bb58f3d28d1bb2a23992056be6af1.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4572	e475fa7b97438e6a23c94a93dfd98e3bb58bb58f3d28d1bb2a23992056be6af1.exe
Token: SeTcbPrivilege	4572	e475fa7b97438e6a23c94a93dfd98e3bb58bb58f3d28d1bb2a23992056be6af1.exe
Token: SeDebugPrivilege	4752	36b33933
Token: SeTcbPrivilege	4752	36b33933

C:\Users\Admin\AppData\Local\Temp\e475fa7b97438e6a23c94a93dfd98e3bb58bb58f3d28d1bb2a23992056be6af1.exe
"C:\Users\Admin\AppData\Local\Temp\e475fa7b97438e6a23c94a93dfd98e3bb58bb58f3d28d1bb2a23992056be6af1.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:4572

C:\Windows\Syswow64\36b33933
C:\Windows\Syswow64\36b33933
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:4752

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

36b33933

Path C:\Windows\SysWOW64\36b33933
Size 1.9MB
SHA256 4de2487f9e8cf2f5f23c4655b120c92af12a4c4c7361546864807703aa92f7bb
MD5 cc2600e512a4505428c73d5a96eb869f
SHA1 7b121185b9e9e18c4faff762e5be81a5018ff238
SHA512 65e2f094aca8df3b932748352da80e241219b25d08de5d071fdc87612aa6ded3b453a9513cefa6b43322a041077e17c6651638db2e079aa65aa02a52cc85d4f1
SSDEEP 49152:zHHKO2FQd1oOU82lPJ6PsfsCWFn5+ovhnFvTGh:znKl2qOb2lP8ssYoJxKh
TLSH
T12F95CF12F7B1C0B2C4A742748866C32EE671BD115B218EDBA7C03B5A5E727D17E3A349
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4572-0-0x0000000000A40000-0x0000000000AA3000-memory.dmp

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memory/4572-10-0x0000000001430000-0x0000000001493000-memory.dmp

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memory/4572-26-0x0000000001430000-0x0000000001493000-memory.dmp

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memory/4572-34-0x0000000001430000-0x0000000001493000-memory.dmp

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memory/4752-4-0x0000000000270000-0x00000000002D3000-memory.dmp

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memory/4752-11-0x0000000000A60000-0x0000000000AC3000-memory.dmp

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memory/4752-21-0x0000000000A60000-0x0000000000AC3000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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