21e618697a349431f17baaa77e3923ba88437da5c37b9c24e681421c8b58e957

General

Target
21e618697a349431f17baaa77e3923ba88437da5c37b9c24e681421c8b58e957.exe
Size 871KB
Sample260418-zn2dcsf19m
SHA256 21e618697a349431f17baaa77e3923ba88437da5c37b9c24e681421c8b58e957
MD5 7f54e2c6ee86ffe9fd299c4eb5f694b4
SHA1 23d49caf33af692110f06781415f686e61753f5c
SHA512 3a9243b1d463ac592d719ec30cfadd20af62f45cd894eddb1568ec6cf02fc7ee858279197c22da5ead5a9335a82d25b041b70472d03e3479b3521a5a94feeaad
SSDEEP 12288:5SvO2x9mONvKRILSFnOkx2LIaxya5FAQjU/LikGU5rCOTeidT:AvO2xJKRI2FOkx2LFEvcU6UQOJdT
TLSH
T1DC156B31E681C036D5B34571C6FA4BBBA9647D21531165CBA3C47A2A2FB37D2BA3130E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1664	a945e14c

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	2	223.5.5.5	3324	21e618697a349431f17baaa77e3923ba88437da5c37b9c24e681421c8b58e957.exe
Destination IP	9	114.114.114.114	3324	21e618697a349431f17baaa77e3923ba88437da5c37b9c24e681421c8b58e957.exe
Destination IP	10	223.5.5.5	3324	21e618697a349431f17baaa77e3923ba88437da5c37b9c24e681421c8b58e957.exe
Destination IP	1	114.114.114.114	3324	21e618697a349431f17baaa77e3923ba88437da5c37b9c24e681421c8b58e957.exe

Drops file in System32 directory 17 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C	a945e14c
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C	a945e14c
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft	a945e14c
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046	a945e14c
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	a945e14c
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache	a945e14c
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046	a945e14c
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8	a945e14c
File created	C:\Windows\SysWOW64\a945e14c	21e618697a349431f17baaa77e3923ba88437da5c37b9c24e681421c8b58e957.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	a945e14c
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	a945e14c
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData	a945e14c
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content	a945e14c
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157	a945e14c
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8	a945e14c
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	a945e14c
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157	a945e14c

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\1c7d00	a945e14c
File opened for modification	C:\Windows\38e878	21e618697a349431f17baaa77e3923ba88437da5c37b9c24e681421c8b58e957.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	a945e14c
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	21e618697a349431f17baaa77e3923ba88437da5c37b9c24e681421c8b58e957.exe

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	a945e14c
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	a945e14c
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	a945e14c
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	a945e14c
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	a945e14c
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	a945e14c
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	a945e14c
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	a945e14c
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	a945e14c

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1664	a945e14c
1664	a945e14c
1664	a945e14c
1664	a945e14c
1664	a945e14c
1664	a945e14c
1664	a945e14c
1664	a945e14c
3324	21e618697a349431f17baaa77e3923ba88437da5c37b9c24e681421c8b58e957.exe
3324	21e618697a349431f17baaa77e3923ba88437da5c37b9c24e681421c8b58e957.exe
3324	21e618697a349431f17baaa77e3923ba88437da5c37b9c24e681421c8b58e957.exe
3324	21e618697a349431f17baaa77e3923ba88437da5c37b9c24e681421c8b58e957.exe
3324	21e618697a349431f17baaa77e3923ba88437da5c37b9c24e681421c8b58e957.exe
3324	21e618697a349431f17baaa77e3923ba88437da5c37b9c24e681421c8b58e957.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3324	21e618697a349431f17baaa77e3923ba88437da5c37b9c24e681421c8b58e957.exe
Token: SeTcbPrivilege	3324	21e618697a349431f17baaa77e3923ba88437da5c37b9c24e681421c8b58e957.exe
Token: SeDebugPrivilege	1664	a945e14c
Token: SeTcbPrivilege	1664	a945e14c

C:\Users\Admin\AppData\Local\Temp\21e618697a349431f17baaa77e3923ba88437da5c37b9c24e681421c8b58e957.exe
"C:\Users\Admin\AppData\Local\Temp\21e618697a349431f17baaa77e3923ba88437da5c37b9c24e681421c8b58e957.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:3324

C:\Windows\Syswow64\a945e14c
C:\Windows\Syswow64\a945e14c
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:1664

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

a945e14c

Path C:\Windows\SysWOW64\a945e14c
Size 871KB
SHA256 4aa1732a36df66cad38da5f8448ecdb4f00b0e6aabbda59b4df111746ad90b7c
MD5 1af7e705c31787a851a703f29f4497b7
SHA1 ed746541f8104ea0e28fd3d07016f6c998db9d58
SHA512 04771843b5e660b165bdf2aaf318b66e920412890568472a217e23270dac70fd1bb7446057c613a679d62fb43587589dc2edc637bacff7ef5503fecea01201d6
SSDEEP 12288:kSvO2x9mONvKRILSFnOkx2LIaxya5FAQjU/LikGU5rCOTeidT:XvO2xJKRI2FOkx2LFEvcU6UQOJdT
TLSH
T1E2156B31E681C036D5B34571C6FA4BBBA9647D21531165CBA3C47A2A2FB37D2BA3130E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1664-4-0x00000000000C0000-0x0000000000123000-memory.dmp

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memory/1664-11-0x0000000001570000-0x00000000015D4000-memory.dmp

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memory/1664-20-0x0000000001570000-0x00000000015D4000-memory.dmp

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memory/1664-31-0x0000000001570000-0x00000000015D4000-memory.dmp

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memory/3324-0-0x00000000008A0000-0x0000000000903000-memory.dmp

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memory/3324-10-0x0000000001560000-0x00000000015C4000-memory.dmp

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memory/3324-30-0x0000000001560000-0x00000000015C4000-memory.dmp

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memory/3324-42-0x0000000001560000-0x00000000015C4000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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