51ea7b022d87e4f47bbd02cd0e3556e43123cf28132efeeb4739df7a8cab5f5f

General

Target
51ea7b022d87e4f47bbd02cd0e3556e43123cf28132efeeb4739df7a8cab5f5f.exe
Size 896KB
Sample260503-ym3dlabx4r
SHA256 51ea7b022d87e4f47bbd02cd0e3556e43123cf28132efeeb4739df7a8cab5f5f
MD5 c561bcf9b464f3228adbe9293f393da5
SHA1 9d43506f75a18b34745757c9d15d1383b1a18516
SHA512 278cc5c9aa65b71174f1a4d3caf358de68ff869778fccc60ad13c324355585fb3e7036497ffeca5ee4ce0098014fafe32eb72ecc7840f803b7a50e53c1ce0ddf
SSDEEP 12288:ZSvO2x9mONvKRILSFnOkx2LIaxya5FAQjU/Lik8CQ3uEuYyybAsLAk1:gvO2xJKRI2FOkx2LFEvcUQPxu6Es8k1
TLSH
T13A157C31E641C03AD4A7457686BA0BBFA5787D22131565C7E3D43E662FB32D2BA3130E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
860	a2ea9a1c

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	4948	51ea7b022d87e4f47bbd02cd0e3556e43123cf28132efeeb4739df7a8cab5f5f.exe
Destination IP	4	223.5.5.5	4948	51ea7b022d87e4f47bbd02cd0e3556e43123cf28132efeeb4739df7a8cab5f5f.exe
Destination IP	20	114.114.114.114	4948	51ea7b022d87e4f47bbd02cd0e3556e43123cf28132efeeb4739df7a8cab5f5f.exe
Destination IP	23	223.5.5.5	4948	51ea7b022d87e4f47bbd02cd0e3556e43123cf28132efeeb4739df7a8cab5f5f.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\a2ea9a1c	51ea7b022d87e4f47bbd02cd0e3556e43123cf28132efeeb4739df7a8cab5f5f.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	a2ea9a1c
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	a2ea9a1c
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	a2ea9a1c
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	a2ea9a1c

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\eb938	a2ea9a1c
File opened for modification	C:\Windows\54b628	51ea7b022d87e4f47bbd02cd0e3556e43123cf28132efeeb4739df7a8cab5f5f.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	51ea7b022d87e4f47bbd02cd0e3556e43123cf28132efeeb4739df7a8cab5f5f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a2ea9a1c

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:"	a2ea9a1c
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	a2ea9a1c
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	a2ea9a1c
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	a2ea9a1c
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	a2ea9a1c
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	a2ea9a1c
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	a2ea9a1c
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	a2ea9a1c

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
860	a2ea9a1c
860	a2ea9a1c
860	a2ea9a1c
860	a2ea9a1c
860	a2ea9a1c
860	a2ea9a1c
860	a2ea9a1c
860	a2ea9a1c
4948	51ea7b022d87e4f47bbd02cd0e3556e43123cf28132efeeb4739df7a8cab5f5f.exe
4948	51ea7b022d87e4f47bbd02cd0e3556e43123cf28132efeeb4739df7a8cab5f5f.exe
4948	51ea7b022d87e4f47bbd02cd0e3556e43123cf28132efeeb4739df7a8cab5f5f.exe
4948	51ea7b022d87e4f47bbd02cd0e3556e43123cf28132efeeb4739df7a8cab5f5f.exe
4948	51ea7b022d87e4f47bbd02cd0e3556e43123cf28132efeeb4739df7a8cab5f5f.exe
4948	51ea7b022d87e4f47bbd02cd0e3556e43123cf28132efeeb4739df7a8cab5f5f.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4948	51ea7b022d87e4f47bbd02cd0e3556e43123cf28132efeeb4739df7a8cab5f5f.exe
Token: SeTcbPrivilege	4948	51ea7b022d87e4f47bbd02cd0e3556e43123cf28132efeeb4739df7a8cab5f5f.exe
Token: SeDebugPrivilege	860	a2ea9a1c
Token: SeTcbPrivilege	860	a2ea9a1c

C:\Users\Admin\AppData\Local\Temp\51ea7b022d87e4f47bbd02cd0e3556e43123cf28132efeeb4739df7a8cab5f5f.exe
"C:\Users\Admin\AppData\Local\Temp\51ea7b022d87e4f47bbd02cd0e3556e43123cf28132efeeb4739df7a8cab5f5f.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:4948

C:\Windows\Syswow64\a2ea9a1c
C:\Windows\Syswow64\a2ea9a1c
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:860

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

a2ea9a1c

Path C:\Windows\SysWOW64\a2ea9a1c
Size 896KB
SHA256 167fac57505bfbc882fc0a357473a6a1b192b6db045ed563bfbb64023b1a19f1
MD5 d41545286738c8a4a329dc3d8f60b4d8
SHA1 5039ca430ac4618ee0226c9c1cbc772f06299c3e
SHA512 37fe95d12ef309882a9a3f0e6fb2fdd15faf4cc3be18277959d0de506746e24d36cef3a02272b13cdc185d6199193570314a48fd1c43ab1065a1aab343b5425d
SSDEEP 12288:ISvO2x9mONvKRILSFnOkx2LIaxya5FAQjU/Lik8CQ3uEuYyybAsLAk1:DvO2xJKRI2FOkx2LFEvcUQPxu6Es8k1
TLSH
T1C8157C31E641C03AD4A7457686BA0BBFA5787D22131565C7E3D43E662FB32D2BA3130E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/860-4-0x0000000000E50000-0x0000000000EB3000-memory.dmp

Download

memory/4948-0-0x0000000000D00000-0x0000000000D63000-memory.dmp

Download

memory/4948-10-0x0000000001940000-0x0000000001965000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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