c1d0005271af62c7f5f19ac49c3c07b1abf6fb2cdc4a7b0fee512d85a2d032d0

General

Target
c1d0005271af62c7f5f19ac49c3c07b1abf6fb2cdc4a7b0fee512d85a2d032d0.exe
Size 640KB
Sample260905-fgplfaep61
SHA256 c1d0005271af62c7f5f19ac49c3c07b1abf6fb2cdc4a7b0fee512d85a2d032d0
MD5 2b834e865ccb29136ad0b8d94069e48d
SHA1 20645eeeb23b1f21fbc4ebf774fe87900ada8883
SHA512 bb05d0bcbdaaafb5788640b8eb894d233f13af381ed222f5f22d291f45389e2e50aeb687b814ae68929360701cac860f2ebfaa6f6046d89825707e6786aec004
SSDEEP 6144:xcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:xSvO2x9mONvKRwLSFtsOkxHya5+
TLSH
T10FD45B35A6808036C0B74631C6F64BAAF9B5BC21631195CFA384376A1F737D2BA3570E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2008	ca785a6c

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	26	114.114.114.114	2188	c1d0005271af62c7f5f19ac49c3c07b1abf6fb2cdc4a7b0fee512d85a2d032d0.exe
Destination IP	27	223.5.5.5	2188	c1d0005271af62c7f5f19ac49c3c07b1abf6fb2cdc4a7b0fee512d85a2d032d0.exe
Destination IP	3	114.114.114.114	2188	c1d0005271af62c7f5f19ac49c3c07b1abf6fb2cdc4a7b0fee512d85a2d032d0.exe
Destination IP	4	223.5.5.5	2188	c1d0005271af62c7f5f19ac49c3c07b1abf6fb2cdc4a7b0fee512d85a2d032d0.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ca785a6c	c1d0005271af62c7f5f19ac49c3c07b1abf6fb2cdc4a7b0fee512d85a2d032d0.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	ca785a6c
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	ca785a6c
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	ca785a6c
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	ca785a6c

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2188-0-0x0000000000C60000-0x0000000000CEC000-memory.dmp	upx
behavioral1/memory/2008-4-0x0000000000540000-0x00000000005CC000-memory.dmp	upx
behavioral1/files/0x0008000000024595-3.dat	upx
behavioral1/memory/2188-10-0x0000000000C60000-0x0000000000CEC000-memory.dmp	upx
behavioral1/memory/2008-11-0x0000000000540000-0x00000000005CC000-memory.dmp	upx
behavioral1/memory/2008-22-0x0000000000540000-0x00000000005CC000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\2260b0	ca785a6c
File opened for modification	C:\Windows\257598	c1d0005271af62c7f5f19ac49c3c07b1abf6fb2cdc4a7b0fee512d85a2d032d0.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	c1d0005271af62c7f5f19ac49c3c07b1abf6fb2cdc4a7b0fee512d85a2d032d0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ca785a6c

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	ca785a6c
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	ca785a6c
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	ca785a6c
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	ca785a6c
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	ca785a6c
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	ca785a6c
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	ca785a6c
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	ca785a6c
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	ca785a6c

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2008	ca785a6c
2008	ca785a6c
2008	ca785a6c
2008	ca785a6c
2008	ca785a6c
2008	ca785a6c
2008	ca785a6c
2008	ca785a6c
2188	c1d0005271af62c7f5f19ac49c3c07b1abf6fb2cdc4a7b0fee512d85a2d032d0.exe
2188	c1d0005271af62c7f5f19ac49c3c07b1abf6fb2cdc4a7b0fee512d85a2d032d0.exe
2188	c1d0005271af62c7f5f19ac49c3c07b1abf6fb2cdc4a7b0fee512d85a2d032d0.exe
2188	c1d0005271af62c7f5f19ac49c3c07b1abf6fb2cdc4a7b0fee512d85a2d032d0.exe
2188	c1d0005271af62c7f5f19ac49c3c07b1abf6fb2cdc4a7b0fee512d85a2d032d0.exe
2188	c1d0005271af62c7f5f19ac49c3c07b1abf6fb2cdc4a7b0fee512d85a2d032d0.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2188	c1d0005271af62c7f5f19ac49c3c07b1abf6fb2cdc4a7b0fee512d85a2d032d0.exe
Token: SeTcbPrivilege	2188	c1d0005271af62c7f5f19ac49c3c07b1abf6fb2cdc4a7b0fee512d85a2d032d0.exe
Token: SeDebugPrivilege	2008	ca785a6c
Token: SeTcbPrivilege	2008	ca785a6c

C:\Users\Admin\AppData\Local\Temp\c1d0005271af62c7f5f19ac49c3c07b1abf6fb2cdc4a7b0fee512d85a2d032d0.exe
"C:\Users\Admin\AppData\Local\Temp\c1d0005271af62c7f5f19ac49c3c07b1abf6fb2cdc4a7b0fee512d85a2d032d0.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:2188

C:\Windows\Syswow64\ca785a6c
C:\Windows\Syswow64\ca785a6c
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:2008

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

ca785a6c

Path C:\Windows\SysWOW64\ca785a6c
Size 640KB
SHA256 0109df5e9e9f624859fb0555ecf7629907db73e508bce1f79a1f430f48c2c834
MD5 136acc51f0aab21539f5c23a13d035b9
SHA1 f1b11412127d9bdc7f1beada626c986a8d7131bf
SHA512 79c722c971a1b5257db9d1c195d89d5ad9ca45f11bf2064c123187e05a505c86109ad853a1df5dfa206db65ef3bcdc9061ce9467685183ea244bde9cc0118f0b
SSDEEP 6144:acTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:aSvO2x9mONvKRwLSFtsOkxHya5+
TLSH
T175D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2008-4-0x0000000000540000-0x00000000005CC000-memory.dmp

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memory/2008-11-0x0000000000540000-0x00000000005CC000-memory.dmp

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memory/2008-22-0x0000000000540000-0x00000000005CC000-memory.dmp

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memory/2188-0-0x0000000000C60000-0x0000000000CEC000-memory.dmp

Download

memory/2188-10-0x0000000000C60000-0x0000000000CEC000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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