1c7f2a451ec124e1b3330bcb2b53a05d887295b471f2c3a9117b01d8164fee2c

General

Target
1c7f2a451ec124e1b3330bcb2b53a05d887295b471f2c3a9117b01d8164fee2c.exe
Size 374KB
Sample260531-1jppfabs8j
SHA256 1c7f2a451ec124e1b3330bcb2b53a05d887295b471f2c3a9117b01d8164fee2c
MD5 e56d72df9230be2dc738d5e392d74474
SHA1 22ddb0219f91490c1ea1bc249c860a37c8c89a47
SHA512 3ff1f39b3ba6bda537bccd1ed38c2502366a48e33109e9480841cb8d162830e8c3587c2c32317ea64703afce9a2354663adac430f950a025a44f106843b1584b
SSDEEP 6144:0cTgav1cdCTuoPbgwmOLJvKRILSFvdFfcEOkCybEaQRXr9HNdvOaxy8K:0SvO2x9mONvKRILSFLOkx2LIaxy
TLSH
T173846D2AF6A0D076C4B79579C4A257AAFBB1742137204ACFA390475A1F237E2BD3530D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5996	4aa29830

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	1	114.114.114.114	3792	1c7f2a451ec124e1b3330bcb2b53a05d887295b471f2c3a9117b01d8164fee2c.exe
Destination IP	2	223.5.5.5	3792	1c7f2a451ec124e1b3330bcb2b53a05d887295b471f2c3a9117b01d8164fee2c.exe
Destination IP	5	114.114.114.114	3792	1c7f2a451ec124e1b3330bcb2b53a05d887295b471f2c3a9117b01d8164fee2c.exe
Destination IP	6	223.5.5.5	3792	1c7f2a451ec124e1b3330bcb2b53a05d887295b471f2c3a9117b01d8164fee2c.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\4aa29830	1c7f2a451ec124e1b3330bcb2b53a05d887295b471f2c3a9117b01d8164fee2c.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	4aa29830
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	4aa29830
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	4aa29830
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	4aa29830

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\66a758	4aa29830
File opened for modification	C:\Windows\40eba0	1c7f2a451ec124e1b3330bcb2b53a05d887295b471f2c3a9117b01d8164fee2c.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	1c7f2a451ec124e1b3330bcb2b53a05d887295b471f2c3a9117b01d8164fee2c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4aa29830

Modifies data under HKEY_USERS 8 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	4aa29830
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	4aa29830
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	4aa29830
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	4aa29830
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	4aa29830
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	4aa29830
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	4aa29830
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	4aa29830

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
5996	4aa29830
5996	4aa29830
5996	4aa29830
5996	4aa29830
5996	4aa29830
5996	4aa29830
5996	4aa29830
5996	4aa29830
3792	1c7f2a451ec124e1b3330bcb2b53a05d887295b471f2c3a9117b01d8164fee2c.exe
3792	1c7f2a451ec124e1b3330bcb2b53a05d887295b471f2c3a9117b01d8164fee2c.exe
3792	1c7f2a451ec124e1b3330bcb2b53a05d887295b471f2c3a9117b01d8164fee2c.exe
3792	1c7f2a451ec124e1b3330bcb2b53a05d887295b471f2c3a9117b01d8164fee2c.exe
3792	1c7f2a451ec124e1b3330bcb2b53a05d887295b471f2c3a9117b01d8164fee2c.exe
3792	1c7f2a451ec124e1b3330bcb2b53a05d887295b471f2c3a9117b01d8164fee2c.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3792	1c7f2a451ec124e1b3330bcb2b53a05d887295b471f2c3a9117b01d8164fee2c.exe
Token: SeTcbPrivilege	3792	1c7f2a451ec124e1b3330bcb2b53a05d887295b471f2c3a9117b01d8164fee2c.exe
Token: SeDebugPrivilege	5996	4aa29830
Token: SeTcbPrivilege	5996	4aa29830

C:\Users\Admin\AppData\Local\Temp\1c7f2a451ec124e1b3330bcb2b53a05d887295b471f2c3a9117b01d8164fee2c.exe
"C:\Users\Admin\AppData\Local\Temp\1c7f2a451ec124e1b3330bcb2b53a05d887295b471f2c3a9117b01d8164fee2c.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:3792

C:\Windows\Syswow64\4aa29830
C:\Windows\Syswow64\4aa29830
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:5996

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

4aa29830

Path C:\Windows\SysWOW64\4aa29830
Size 374KB
SHA256 0373b0824b84c9e8c7fc07a136237279f16f5231126dbd377cad8303b69b7efc
MD5 1a1ed78eb72c0c2a5957a66b15403c48
SHA1 b5c8de7666b16a57c33ee4764f20240b12cfe4de
SHA512 9b86a573d6b07d84b376bf9f13f5265ac643e4621d59bce236dcb2292068a7f5750d1cd466a184464804ce3d82615cd803b57dd7ddae253e5f4dcf277ff30855
SSDEEP 6144:3cTgav1cdCTuoPbgwmOLJvKRILSFvdFfcEOkCybEaQRXr9HNdvOaxy8K:3SvO2x9mONvKRILSFLOkx2LIaxy
TLSH
T159846D2AF6A0D076C4B79579C4A257AAFBB1742137204ACFA390475A1F237E2BD3530D
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3792-0-0x00000000002C0000-0x0000000000323000-memory.dmp

Download

memory/5996-4-0x0000000000270000-0x00000000002D3000-memory.dmp