90a0a32d30a11652346289cc95c0508b9e1231389cd6a294c3207d9191898c87

General

Target
90a0a32d30a11652346289cc95c0508b9e1231389cd6a294c3207d9191898c87.exe
Size 419KB
Sample260420-3lencsfw2l
SHA256 90a0a32d30a11652346289cc95c0508b9e1231389cd6a294c3207d9191898c87
MD5 543a95c60ab1afba689088f7f4c9f832
SHA1 5147c377afe309a4c1e432adbf69b5decf66ec45
SHA512 1f6bee8efa454784cc2331a34083bb0a0e96f4a066cf2812ad73d90b6ad225fab1c32ece2bb5a13ad8a526db10b533452a5f9fc895b616a54637cafc6728a285
SSDEEP 6144:N8a+AjLd9fSZLC/umZjqDvjZFXcEOkCybEaQRXr9HNdvOa:ea+4EZe/uwqDvDOkx2LIa
TLSH
T10F948D19FAA08036C5A38575C4A257A7FBB1752137209ACFA3A057561F237E3BD3630E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4696	ef2d4660

Unexpected DNS network traffic destination 5 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	flow	ioc	pid	Process
Destination IP	1	114.114.114.114	4036	90a0a32d30a11652346289cc95c0508b9e1231389cd6a294c3207d9191898c87.exe
Destination IP	2	223.5.5.5	4036	90a0a32d30a11652346289cc95c0508b9e1231389cd6a294c3207d9191898c87.exe
Destination IP	10	114.114.114.114	4036	90a0a32d30a11652346289cc95c0508b9e1231389cd6a294c3207d9191898c87.exe
Destination IP	12	223.5.5.5	4036	90a0a32d30a11652346289cc95c0508b9e1231389cd6a294c3207d9191898c87.exe
Destination IP	49	114.114.114.114	4036	90a0a32d30a11652346289cc95c0508b9e1231389cd6a294c3207d9191898c87.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	ef2d4660
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C	ef2d4660
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	ef2d4660
File created	C:\Windows\SysWOW64\ef2d4660	90a0a32d30a11652346289cc95c0508b9e1231389cd6a294c3207d9191898c87.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache	ef2d4660
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C	ef2d4660
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046	ef2d4660
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	ef2d4660
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	ef2d4660
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft	ef2d4660
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData	ef2d4660
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157	ef2d4660
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content	ef2d4660
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157	ef2d4660
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	ef2d4660

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\5065b0	ef2d4660
File opened for modification	C:\Windows\451908	90a0a32d30a11652346289cc95c0508b9e1231389cd6a294c3207d9191898c87.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	90a0a32d30a11652346289cc95c0508b9e1231389cd6a294c3207d9191898c87.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ef2d4660

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	ef2d4660
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	ef2d4660
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	ef2d4660
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	ef2d4660
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	ef2d4660
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	ef2d4660
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	ef2d4660
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	ef2d4660
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	ef2d4660

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
4696	ef2d4660
4696	ef2d4660
4696	ef2d4660
4696	ef2d4660
4696	ef2d4660
4696	ef2d4660
4696	ef2d4660
4696	ef2d4660
4036	90a0a32d30a11652346289cc95c0508b9e1231389cd6a294c3207d9191898c87.exe
4036	90a0a32d30a11652346289cc95c0508b9e1231389cd6a294c3207d9191898c87.exe
4036	90a0a32d30a11652346289cc95c0508b9e1231389cd6a294c3207d9191898c87.exe
4036	90a0a32d30a11652346289cc95c0508b9e1231389cd6a294c3207d9191898c87.exe
4036	90a0a32d30a11652346289cc95c0508b9e1231389cd6a294c3207d9191898c87.exe
4036	90a0a32d30a11652346289cc95c0508b9e1231389cd6a294c3207d9191898c87.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4036	90a0a32d30a11652346289cc95c0508b9e1231389cd6a294c3207d9191898c87.exe
Token: SeTcbPrivilege	4036	90a0a32d30a11652346289cc95c0508b9e1231389cd6a294c3207d9191898c87.exe
Token: SeDebugPrivilege	4696	ef2d4660
Token: SeTcbPrivilege	4696	ef2d4660

C:\Users\Admin\AppData\Local\Temp\90a0a32d30a11652346289cc95c0508b9e1231389cd6a294c3207d9191898c87.exe
"C:\Users\Admin\AppData\Local\Temp\90a0a32d30a11652346289cc95c0508b9e1231389cd6a294c3207d9191898c87.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:4036

C:\Windows\Syswow64\ef2d4660
C:\Windows\Syswow64\ef2d4660
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:4696

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

ef2d4660

Path C:\Windows\SysWOW64\ef2d4660
Size 419KB
SHA256 542533c7f01e284a96df88d098791b2908900da36e00ddbdd53ba6488bbae9ba
MD5 05dd5ce06e93998e1d2a5e6d0c635892
SHA1 464cfbe45e6ee36ff840e310b925cd89ec52a451
SHA512 d67b4b81ba23c800514ade74857d872124ff721dcf7cc23008c1113a28f298e579cd5084e3f7a8050fd8c385a78a968710dd6e99045a9fad51972a12dc5f8f30
SSDEEP 6144:08a+AjLd9fSZLC/umZjqDvjZFXcEOkCybEaQRXr9HNdvOa:Za+4EZe/uwqDvDOkx2LIa
TLSH
T1D0948D19FAA08036C5A38575C4A257A7FBB1752137209ACFA3A057561F237E3BD3630E
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4036-13-0x0000000001420000-0x00000000014E2000-memory.dmp

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memory/4036-17-0x0000000001420000-0x00000000014E2000-memory.dmp

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memory/4036-31-0x0000000001420000-0x00000000014E2000-memory.dmp

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memory/4036-35-0x0000000001420000-0x00000000014E2000-memory.dmp

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memory/4036-39-0x0000000001420000-0x00000000014E2000-memory.dmp

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memory/4036-47-0x0000000001420000-0x00000000014E2000-memory.dmp

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memory/4696-14-0x00000000014A0000-0x0000000001562000-memory.dmp

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memory/4696-32-0x00000000014A0000-0x0000000001562000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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