7d7843e249424829d25d7f4a7c1bd1f51b99214dc6d832e813d9eaa6e299e1dc

General

Target
7d7843e249424829d25d7f4a7c1bd1f51b99214dc6d832e813d9eaa6e299e1dc.exe
Size 560KB
Sample260418-ybehdsfs8k
SHA256 7d7843e249424829d25d7f4a7c1bd1f51b99214dc6d832e813d9eaa6e299e1dc
MD5 8fa8a5b1233340b110d7d506aa2be468
SHA1 8ac2f33b5364c93232618600fe3f16e37336e176
SHA512 b2cb4f9f8f5da14e03aa0e680d1b688099c1933fcc0f1c055f1c062744c6fb997cf62de97f40a5753c41aad5ea84fcb3b118fc1eb59e9402f2a4bdffa4c8152e
SSDEEP 6144:/6UE71cqQEoMr5C2iKLJChYSvL+8xPFxirGcEOkCybEaQRXr9HNdvOa+y8K:/O7OqQs42iKFChYSvL+8AsOkx2LIa+y
TLSH
T193C46C26B6A0D076C4B79574C4A28BA6FFB1742227244BCFA39047561F637E2BE3530D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1384	dac1db3e

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	3	114.114.114.114	1116	7d7843e249424829d25d7f4a7c1bd1f51b99214dc6d832e813d9eaa6e299e1dc.exe
Destination IP	4	223.5.5.5	1116	7d7843e249424829d25d7f4a7c1bd1f51b99214dc6d832e813d9eaa6e299e1dc.exe
Destination IP	36	114.114.114.114	1116	7d7843e249424829d25d7f4a7c1bd1f51b99214dc6d832e813d9eaa6e299e1dc.exe
Destination IP	37	223.5.5.5	1116	7d7843e249424829d25d7f4a7c1bd1f51b99214dc6d832e813d9eaa6e299e1dc.exe

Drops file in System32 directory 13 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	dac1db3e
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046	dac1db3e
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content	dac1db3e
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	dac1db3e
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	dac1db3e
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft	dac1db3e
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache	dac1db3e
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData	dac1db3e
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046	dac1db3e
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8	dac1db3e
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8	dac1db3e
File created	C:\Windows\SysWOW64\dac1db3e	7d7843e249424829d25d7f4a7c1bd1f51b99214dc6d832e813d9eaa6e299e1dc.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	dac1db3e

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1116-0-0x00000000008A0000-0x000000000092C000-memory.dmp	upx
behavioral1/files/0x0005000000022a24-2.dat	upx
behavioral1/memory/1384-4-0x0000000000A70000-0x0000000000AFC000-memory.dmp	upx
behavioral1/memory/1116-16-0x00000000008A0000-0x000000000092C000-memory.dmp	upx
behavioral1/memory/1384-19-0x0000000000A70000-0x0000000000AFC000-memory.dmp	upx
behavioral1/memory/1384-40-0x0000000000A70000-0x0000000000AFC000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\17b1d0	dac1db3e
File opened for modification	C:\Windows\131b38	7d7843e249424829d25d7f4a7c1bd1f51b99214dc6d832e813d9eaa6e299e1dc.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	7d7843e249424829d25d7f4a7c1bd1f51b99214dc6d832e813d9eaa6e299e1dc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dac1db3e

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	dac1db3e
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	dac1db3e
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	dac1db3e
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	dac1db3e
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	dac1db3e
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	dac1db3e
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	dac1db3e
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	dac1db3e
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	dac1db3e

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1384	dac1db3e
1384	dac1db3e
1384	dac1db3e
1384	dac1db3e
1384	dac1db3e
1384	dac1db3e
1384	dac1db3e
1384	dac1db3e
1116	7d7843e249424829d25d7f4a7c1bd1f51b99214dc6d832e813d9eaa6e299e1dc.exe
1116	7d7843e249424829d25d7f4a7c1bd1f51b99214dc6d832e813d9eaa6e299e1dc.exe
1116	7d7843e249424829d25d7f4a7c1bd1f51b99214dc6d832e813d9eaa6e299e1dc.exe
1116	7d7843e249424829d25d7f4a7c1bd1f51b99214dc6d832e813d9eaa6e299e1dc.exe
1116	7d7843e249424829d25d7f4a7c1bd1f51b99214dc6d832e813d9eaa6e299e1dc.exe
1116	7d7843e249424829d25d7f4a7c1bd1f51b99214dc6d832e813d9eaa6e299e1dc.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1116	7d7843e249424829d25d7f4a7c1bd1f51b99214dc6d832e813d9eaa6e299e1dc.exe
Token: SeTcbPrivilege	1116	7d7843e249424829d25d7f4a7c1bd1f51b99214dc6d832e813d9eaa6e299e1dc.exe
Token: SeDebugPrivilege	1384	dac1db3e
Token: SeTcbPrivilege	1384	dac1db3e

C:\Users\Admin\AppData\Local\Temp\7d7843e249424829d25d7f4a7c1bd1f51b99214dc6d832e813d9eaa6e299e1dc.exe
"C:\Users\Admin\AppData\Local\Temp\7d7843e249424829d25d7f4a7c1bd1f51b99214dc6d832e813d9eaa6e299e1dc.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:1116

C:\Windows\Syswow64\dac1db3e
C:\Windows\Syswow64\dac1db3e
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:1384

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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dac1db3e

Path C:\Windows\SysWOW64\dac1db3e
Size 560KB
SHA256 f4a64a2ad130ca9ca867edd2f93f02766ce92de58a0b029b4274ca5110ec68df
MD5 e199b9fbd5bb0aeba9bea5a50e3ceb17
SHA1 9e029e943f8ebfd5b2d616f8f368d7afc40c35fa
SHA512 224f7b3ec20469675af2ce3649fcdfb89acd47fb794b280a9b3be89b4e16981d92e18ebbc8bfbccca8354e47995f0153afd9e6797d2ef5de64f6fdd7ed4c78e8
SSDEEP 6144:e6UE71cqQEoMr5C2iKLJChYSvL+8xPFxirGcEOkCybEaQRXr9HNdvOa+y8K:eO7OqQs42iKFChYSvL+8AsOkx2LIa+y
TLSH
T10FC46C26B6A0D076C4B79574C4A28BA6FFB1742227244BCFA39047561F637E2BE3530D
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1116-0-0x00000000008A0000-0x000000000092C000-memory.dmp

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memory/1116-16-0x00000000008A0000-0x000000000092C000-memory.dmp

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memory/1116-17-0x00000000011C0000-0x000000000129C000-memory.dmp

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memory/1384-4-0x0000000000A70000-0x0000000000AFC000-memory.dmp

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memory/1384-18-0x0000000000B00000-0x0000000000BDC000-memory.dmp

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memory/1384-19-0x0000000000A70000-0x0000000000AFC000-memory.dmp

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memory/1384-40-0x0000000000A70000-0x0000000000AFC000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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