b73b8a97a29b370d99ee44edef90f74df89c2cc67f1e773882e13135bb0bd2b0

General

Target
b73b8a97a29b370d99ee44edef90f74df89c2cc67f1e773882e13135bb0bd2b0.exe
Size 419KB
Sample260425-mchewsbx2m
SHA256 b73b8a97a29b370d99ee44edef90f74df89c2cc67f1e773882e13135bb0bd2b0
MD5 628b01b8bba29d424c846a7f206a446f
SHA1 d1307edd695a9f126509f8e40ae4e0901c63c5d4
SHA512 0c5ad3f6a618f09a73f78e1c6d8683987da53507429496068c4faed8118d5c988a8e032ca33ef95cb937fb0d8ef6ee73addd78b52d9be930062bfcf3d9728a49
SSDEEP 6144:watygN+TkFSLZ+knaTDH76VFwcEOkCybEaQRXr9HNdvOa:watG+S9+kaTDHrOkx2LIa
TLSH
T17A948C19FAA08076C563857AC4E257A6FBB1B5223B109ACF639007565F237E3BD3530E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

defense_evasion discovery spyware trojan

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4436	c0e470de

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	9	114.114.114.114	4588	b73b8a97a29b370d99ee44edef90f74df89c2cc67f1e773882e13135bb0bd2b0.exe
Destination IP	11	223.5.5.5	4588	b73b8a97a29b370d99ee44edef90f74df89c2cc67f1e773882e13135bb0bd2b0.exe
Destination IP	1	114.114.114.114	4588	b73b8a97a29b370d99ee44edef90f74df89c2cc67f1e773882e13135bb0bd2b0.exe
Destination IP	2	223.5.5.5	4588	b73b8a97a29b370d99ee44edef90f74df89c2cc67f1e773882e13135bb0bd2b0.exe

Drops file in System32 directory 15 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	c0e470de
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157	c0e470de
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content	c0e470de
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157	c0e470de
File created	C:\Windows\SysWOW64\c0e470de	b73b8a97a29b370d99ee44edef90f74df89c2cc67f1e773882e13135bb0bd2b0.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	c0e470de
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft	c0e470de
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData	c0e470de
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1	c0e470de
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	c0e470de
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1	c0e470de
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C	c0e470de
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C	c0e470de
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache	c0e470de
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	c0e470de

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\4bf228	c0e470de
File opened for modification	C:\Windows\4e8c58	b73b8a97a29b370d99ee44edef90f74df89c2cc67f1e773882e13135bb0bd2b0.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	c0e470de
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b73b8a97a29b370d99ee44edef90f74df89c2cc67f1e773882e13135bb0bd2b0.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	c0e470de
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	c0e470de
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	c0e470de
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	c0e470de
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	c0e470de
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	c0e470de
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	c0e470de
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	c0e470de
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	c0e470de

Modifies system certificate store 2 TTPs 2 IoCs

defense_evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA	c0e470de
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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	c0e470de

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
4436	c0e470de
4436	c0e470de
4436	c0e470de
4436	c0e470de
4436	c0e470de
4436	c0e470de
4436	c0e470de
4436	c0e470de
4588	b73b8a97a29b370d99ee44edef90f74df89c2cc67f1e773882e13135bb0bd2b0.exe
4588	b73b8a97a29b370d99ee44edef90f74df89c2cc67f1e773882e13135bb0bd2b0.exe
4588	b73b8a97a29b370d99ee44edef90f74df89c2cc67f1e773882e13135bb0bd2b0.exe
4588	b73b8a97a29b370d99ee44edef90f74df89c2cc67f1e773882e13135bb0bd2b0.exe
4588	b73b8a97a29b370d99ee44edef90f74df89c2cc67f1e773882e13135bb0bd2b0.exe
4588	b73b8a97a29b370d99ee44edef90f74df89c2cc67f1e773882e13135bb0bd2b0.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4588	b73b8a97a29b370d99ee44edef90f74df89c2cc67f1e773882e13135bb0bd2b0.exe
Token: SeTcbPrivilege	4588	b73b8a97a29b370d99ee44edef90f74df89c2cc67f1e773882e13135bb0bd2b0.exe
Token: SeDebugPrivilege	4436	c0e470de
Token: SeTcbPrivilege	4436	c0e470de

C:\Users\Admin\AppData\Local\Temp\b73b8a97a29b370d99ee44edef90f74df89c2cc67f1e773882e13135bb0bd2b0.exe
"C:\Users\Admin\AppData\Local\Temp\b73b8a97a29b370d99ee44edef90f74df89c2cc67f1e773882e13135bb0bd2b0.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:4588

C:\Windows\Syswow64\c0e470de
C:\Windows\Syswow64\c0e470de
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
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4436

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

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

c0e470de

Path C:\Windows\SysWOW64\c0e470de
Size 419KB
SHA256 8528f2c5fc72b8291bdce7a883ed0a8db46b6d92e831c9c7bfaae7733ac8bda5
MD5 f8bfd4ad520e1b1a4a96c269fdeffb1b
SHA1 7e06b5e7de6fa4bab1491e66e3bc848d93ac8afb
SHA512 7e9056f80b6f07753dee8b8cbe1f644f43763187f364dd67c469c0ec249b951bf028cb4c0b9cd8321be60e76129429de9f2e008b071e41c7a31e31d371f4858a
SSDEEP 6144:WatygN+TkFSLZ+knaTDH76VFwcEOkCybEaQRXr9HNdvOa:WatG+S9+kaTDHrOkx2LIa
TLSH
T175948C19FAA08076C563857AC4E257A6FBB1B5223B109ACF639007565F237E3BD3530E
MD5 SHA1 SHA512 SSDEEP TLSH

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Analysis

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