44ba2a127013a02d1eaea73a097b0ff428fe422b5045c93957cbd502f5b2089a

General

Target
44ba2a127013a02d1eaea73a097b0ff428fe422b5045c93957cbd502f5b2089a.exe
Size 768KB
Sample260428-ss6ejsbv4x
SHA256 44ba2a127013a02d1eaea73a097b0ff428fe422b5045c93957cbd502f5b2089a
MD5 5fc1cdb5418cc9ff172c0b39d60c7cd0
SHA1 ef80a3fc5b411220d124066da35574e69ecde0c2
SHA512 e959431802e547ed507d37a3b0f5fb5f888792436fe396f620feef0a6c48b278b53665c16e45f27530264192f157dd0c03384c84dc690ceb2b5c0a0c46a16b12
SSDEEP 12288:NqXUHkUXe39sOkx2LIan5FAQjU/LikGU5rCOTeidT:NjHPOSOkx2LFscU6UQOJdT
TLSH
T1C3F47D31E241C036D6A74572C6FA4BBBA5247D25431161CBA7C4BA262FB76D2FA3130F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4552	3ca2ed7f

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	10	114.114.114.114	4320	44ba2a127013a02d1eaea73a097b0ff428fe422b5045c93957cbd502f5b2089a.exe
Destination IP	13	223.5.5.5	4320	44ba2a127013a02d1eaea73a097b0ff428fe422b5045c93957cbd502f5b2089a.exe
Destination IP	1	114.114.114.114	4320	44ba2a127013a02d1eaea73a097b0ff428fe422b5045c93957cbd502f5b2089a.exe
Destination IP	2	223.5.5.5	4320	44ba2a127013a02d1eaea73a097b0ff428fe422b5045c93957cbd502f5b2089a.exe

Drops file in System32 directory 15 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	3ca2ed7f
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	3ca2ed7f
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache	3ca2ed7f
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData	3ca2ed7f
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157	3ca2ed7f
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046	3ca2ed7f
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	3ca2ed7f
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157	3ca2ed7f
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C	3ca2ed7f
File created	C:\Windows\SysWOW64\3ca2ed7f	44ba2a127013a02d1eaea73a097b0ff428fe422b5045c93957cbd502f5b2089a.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046	3ca2ed7f
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C	3ca2ed7f
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	3ca2ed7f
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft	3ca2ed7f
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content	3ca2ed7f

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4320-0-0x0000000000960000-0x00000000009E9000-memory.dmp	upx
behavioral2/files/0x000c000000029ee3-4.dat	upx
behavioral2/memory/4552-3-0x0000000000860000-0x00000000008E9000-memory.dmp	upx
behavioral2/memory/4320-15-0x0000000000960000-0x00000000009E9000-memory.dmp	upx
behavioral2/memory/4552-20-0x0000000000860000-0x00000000008E9000-memory.dmp	upx
behavioral2/memory/4320-35-0x0000000000960000-0x00000000009E9000-memory.dmp	upx
behavioral2/memory/4552-37-0x0000000000860000-0x00000000008E9000-memory.dmp	upx
behavioral2/memory/4320-57-0x0000000000960000-0x00000000009E9000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\4dee90	3ca2ed7f
File opened for modification	C:\Windows\49f5c0	44ba2a127013a02d1eaea73a097b0ff428fe422b5045c93957cbd502f5b2089a.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	44ba2a127013a02d1eaea73a097b0ff428fe422b5045c93957cbd502f5b2089a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3ca2ed7f

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\History\CachePrefix = "Visited:"	3ca2ed7f
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	3ca2ed7f
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	3ca2ed7f
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	3ca2ed7f
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	3ca2ed7f
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	3ca2ed7f
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	3ca2ed7f
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	3ca2ed7f
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	3ca2ed7f

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
4552	3ca2ed7f
4552	3ca2ed7f
4552	3ca2ed7f
4552	3ca2ed7f
4552	3ca2ed7f
4552	3ca2ed7f
4552	3ca2ed7f
4552	3ca2ed7f
4320	44ba2a127013a02d1eaea73a097b0ff428fe422b5045c93957cbd502f5b2089a.exe
4320	44ba2a127013a02d1eaea73a097b0ff428fe422b5045c93957cbd502f5b2089a.exe
4320	44ba2a127013a02d1eaea73a097b0ff428fe422b5045c93957cbd502f5b2089a.exe
4320	44ba2a127013a02d1eaea73a097b0ff428fe422b5045c93957cbd502f5b2089a.exe
4320	44ba2a127013a02d1eaea73a097b0ff428fe422b5045c93957cbd502f5b2089a.exe
4320	44ba2a127013a02d1eaea73a097b0ff428fe422b5045c93957cbd502f5b2089a.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4320	44ba2a127013a02d1eaea73a097b0ff428fe422b5045c93957cbd502f5b2089a.exe
Token: SeTcbPrivilege	4320	44ba2a127013a02d1eaea73a097b0ff428fe422b5045c93957cbd502f5b2089a.exe
Token: SeDebugPrivilege	4552	3ca2ed7f
Token: SeTcbPrivilege	4552	3ca2ed7f

C:\Users\Admin\AppData\Local\Temp\44ba2a127013a02d1eaea73a097b0ff428fe422b5045c93957cbd502f5b2089a.exe
"C:\Users\Admin\AppData\Local\Temp\44ba2a127013a02d1eaea73a097b0ff428fe422b5045c93957cbd502f5b2089a.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:4320

C:\Windows\Syswow64\3ca2ed7f
C:\Windows\Syswow64\3ca2ed7f
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:4552

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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3ca2ed7f

Path C:\Windows\SysWOW64\3ca2ed7f
Size 768KB
SHA256 f084506aae6022166f769f85ec5016921515548babf2ae56e68022e68fb42028
MD5 7c770cfa92b270876dec2b9fcd3a899c
SHA1 103328755d65e4671959295ea27af8a0b2a14c4f
SHA512 2a04728be3f8bf85642c0f0a63b6bf6448d8bc96964746c72a53451cf416347527806f7e08111d222f670623089846866786c341621fc2a878dabeba1c061f56
SSDEEP 12288:CqXUHkUXe39sOkx2LIan5FAQjU/LikGU5rCOTeidT:CjHPOSOkx2LFscU6UQOJdT
TLSH
T1B5F47D31E241C036D6A74572C6FA4BBBA5247D25431161CBA7C4BA262FB76D2FA3130F
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4320-0-0x0000000000960000-0x00000000009E9000-memory.dmp

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memory/4320-15-0x0000000000960000-0x00000000009E9000-memory.dmp

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memory/4320-17-0x0000000000DB0000-0x0000000000E8F000-memory.dmp

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memory/4320-35-0x0000000000960000-0x00000000009E9000-memory.dmp

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memory/4320-57-0x0000000000960000-0x00000000009E9000-memory.dmp

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memory/4552-3-0x0000000000860000-0x00000000008E9000-memory.dmp

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memory/4552-19-0x0000000000D10000-0x0000000000DEF000-memory.dmp

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memory/4552-20-0x0000000000860000-0x00000000008E9000-memory.dmp

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memory/4552-37-0x0000000000860000-0x00000000008E9000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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