7b73a4d4823b27edf938be09bfe3617281a4da1d2f4cf98229092d0b836e6d08

General

Target

7b73a4d4823b27edf938be09bfe3617281a4da1d2f4cf98229092d0b836e6d08.exe
Size

506KB
MD5

e02547a2ae9e62889ec6994eb621ce29
SHA1

3417689d0ed68b7d84c0aa37d01f128017abdb88
SHA256

7b73a4d4823b27edf938be09bfe3617281a4da1d2f4cf98229092d0b836e6d08
SHA512

539043099d4587d9abffb6a0893fc37b98b3a668d2fb251353b4e627c9d7a2cbecc258a4bd1b6878a30e8f3c901b911f539011239e56cfe74d03a06aa886418d
SSDEEP

12288:S2FkAeX6GAbFwHwdPZ46pITHy+fPrFoQnm9Yqw72FYGaEQGjl8XHhlGR:Rm56iIPZhITLPh+F5KXW

Score

8^/10

Malware Config

Signatures

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\drivers\Cbr8kBbAyJOZ7.sys	7b73a4d4823b27edf938be09bfe3617281a4da1d2f4cf98229092d0b836e6d08.exe
File opened for modification	C:\Windows\SysWOW64\drivers\LANTdhaDtAkUw.vdf	7b73a4d4823b27edf938be09bfe3617281a4da1d2f4cf98229092d0b836e6d08.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-308834014-1004923324-1191300197-1000\Control Panel\International\Geo\Nation	7b73a4d4823b27edf938be09bfe3617281a4da1d2f4cf98229092d0b836e6d08.exe

Unexpected DNS network traffic destination 3 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	flow	ioc	pid	Process
Destination IP	5	114.114.114.114	4368	7b73a4d4823b27edf938be09bfe3617281a4da1d2f4cf98229092d0b836e6d08.exe
Destination IP	33	114.114.114.114	4368	7b73a4d4823b27edf938be09bfe3617281a4da1d2f4cf98229092d0b836e6d08.exe
Destination IP	119	114.114.114.114	4368	7b73a4d4823b27edf938be09bfe3617281a4da1d2f4cf98229092d0b836e6d08.exe

VMProtect packed file 5 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral2/memory/4368-0-0x00000000007B0000-0x00000000008EA000-memory.dmp	vmprotect
behavioral2/memory/4368-1-0x00000000007B0000-0x00000000008EA000-memory.dmp	vmprotect
behavioral2/files/0x00090000000242c1-13.dat	vmprotect
behavioral2/memory/4368-39-0x00000000007B0000-0x00000000008EA000-memory.dmp	vmprotect
behavioral2/memory/4368-40-0x00000000007B0000-0x00000000008EA000-memory.dmp	vmprotect

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\9B9KNixndoc3y.sys	7b73a4d4823b27edf938be09bfe3617281a4da1d2f4cf98229092d0b836e6d08.exe
File opened for modification	C:\Windows\SysWOW64\PxCPm7xu5w0e.nlp	7b73a4d4823b27edf938be09bfe3617281a4da1d2f4cf98229092d0b836e6d08.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\3JitHwslktvF.bli	7b73a4d4823b27edf938be09bfe3617281a4da1d2f4cf98229092d0b836e6d08.exe
File opened for modification	C:\Program Files (x86)\tesFMgoG2AcN.sys	7b73a4d4823b27edf938be09bfe3617281a4da1d2f4cf98229092d0b836e6d08.exe
File opened for modification	C:\Program Files (x86)\EPTtwLJrTP.bvq	7b73a4d4823b27edf938be09bfe3617281a4da1d2f4cf98229092d0b836e6d08.exe
File opened for modification	C:\Program Files\oy9QiMGBLjtPdY.sys	7b73a4d4823b27edf938be09bfe3617281a4da1d2f4cf98229092d0b836e6d08.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\L3T7ClWYwyc.sys	7b73a4d4823b27edf938be09bfe3617281a4da1d2f4cf98229092d0b836e6d08.exe
File opened for modification	C:\Windows\4xBrZ2hBR9B.run	7b73a4d4823b27edf938be09bfe3617281a4da1d2f4cf98229092d0b836e6d08.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	7b73a4d4823b27edf938be09bfe3617281a4da1d2f4cf98229092d0b836e6d08.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3984	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4368	7b73a4d4823b27edf938be09bfe3617281a4da1d2f4cf98229092d0b836e6d08.exe
4368	7b73a4d4823b27edf938be09bfe3617281a4da1d2f4cf98229092d0b836e6d08.exe
4368	7b73a4d4823b27edf938be09bfe3617281a4da1d2f4cf98229092d0b836e6d08.exe
4368	7b73a4d4823b27edf938be09bfe3617281a4da1d2f4cf98229092d0b836e6d08.exe
4368	7b73a4d4823b27edf938be09bfe3617281a4da1d2f4cf98229092d0b836e6d08.exe
4368	7b73a4d4823b27edf938be09bfe3617281a4da1d2f4cf98229092d0b836e6d08.exe

Suspicious behavior: LoadsDriver 14 IoCs

pid	Process
660	Process not Found
660	Process not Found
660	Process not Found
660	Process not Found
660	Process not Found
660	Process not Found
660	Process not Found
660	Process not Found
660	Process not Found
660	Process not Found
660	Process not Found
660	Process not Found
660	Process not Found
660	Process not Found

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4368	7b73a4d4823b27edf938be09bfe3617281a4da1d2f4cf98229092d0b836e6d08.exe
Token: SeTcbPrivilege	4368	7b73a4d4823b27edf938be09bfe3617281a4da1d2f4cf98229092d0b836e6d08.exe
Token: SeIncBasePriorityPrivilege	4368	7b73a4d4823b27edf938be09bfe3617281a4da1d2f4cf98229092d0b836e6d08.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4368 wrote to memory of 5764	4368	7b73a4d4823b27edf938be09bfe3617281a4da1d2f4cf98229092d0b836e6d08.exe	107
PID 4368 wrote to memory of 5764	4368	7b73a4d4823b27edf938be09bfe3617281a4da1d2f4cf98229092d0b836e6d08.exe	107
PID 4368 wrote to memory of 5764	4368	7b73a4d4823b27edf938be09bfe3617281a4da1d2f4cf98229092d0b836e6d08.exe	107
PID 5764 wrote to memory of 3984	5764	cmd.exe	109
PID 5764 wrote to memory of 3984	5764	cmd.exe	109
PID 5764 wrote to memory of 3984	5764	cmd.exe	109

C:\Users\Admin\AppData\Local\Temp\7b73a4d4823b27edf938be09bfe3617281a4da1d2f4cf98229092d0b836e6d08.exe
"C:\Users\Admin\AppData\Local\Temp\7b73a4d4823b27edf938be09bfe3617281a4da1d2f4cf98229092d0b836e6d08.exe"
1⤵
- Drops file in Drivers directory
- Checks computer location settings
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4368
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout /t 1 & del /Q /F "C:\Users\Admin\AppData\Local\Temp\7b73a4d4823b27edf938be09bfe3617281a4da1d2f4cf98229092d0b836e6d08.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5764
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 1
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3984

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\L3T7ClWYwyc.sys

Filesize
100KB

MD5
b78512a09b506b7af9ea08d64ff16e08

SHA1
e6b79ac77ca72cacdcd1556e29af0fe949bfd89f

SHA256
91bd0ecb80d5ce3fafda7bda4a092f7beefff012f07c458a0056ca6363e7e3b1

SHA512
ea19f980269995f399a949ebd5e2dbde3dcd6b203e911dc1718e6223973540c44ffc82781ff3434448b5ae5f9367e115c98f5e904e46f5512cd8e0f44ab62d6d

Download Submit
memory/4368-0-0x00000000007B0000-0x00000000008EA000-memory.dmp

Filesize
1.2MB

Download
memory/4368-1-0x00000000007B0000-0x00000000008EA000-memory.dmp

Filesize
1.2MB

Download
memory/4368-39-0x00000000007B0000-0x00000000008EA000-memory.dmp

Filesize
1.2MB

Download
memory/4368-40-0x00000000007B0000-0x00000000008EA000-memory.dmp

Filesize
1.2MB

Download

Analysis

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