4b57eef3ebab4ba0b29b8504ed56148992738a407c749923eec82fcc9bd4a541

General

Target

6b7d1cc6056bfbbdb1bc5ff2757323d0N.exe
Size

77KB
MD5

6b7d1cc6056bfbbdb1bc5ff2757323d0
SHA1

6fd529ae6a05c9ea04b414ab07991be8f4d234f0
SHA256

4b57eef3ebab4ba0b29b8504ed56148992738a407c749923eec82fcc9bd4a541
SHA512

db7f01f570882fbc47205973992559f14b4b23c7bd0d0e62e5ac3efb9d1f7fb34c71547de333a348f0d27bd552ecc466239a45fa1fe513705528dad746126b5b
SSDEEP

1536:vYE2NgKlzEg2IcBKATVWiOaGS2Cu6myBN5FOd42Ltubwfi+TjRC/:QjNFlzEguKATW2wf1TjY

Score

10^/10

discovery persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FEACFF-FFCE-815E-A900-316290B5B738}"	6b7d1cc6056bfbbdb1bc5ff2757323d0N.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	Kmimcbja.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FEACFF-FFCE-815E-A900-316290B5B738}"	Kmimcbja.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	Kfaalh32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FEACFF-FFCE-815E-A900-316290B5B738}"	Kfaalh32.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	Kbhbai32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FEACFF-FFCE-815E-A900-316290B5B738}"	Kbhbai32.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	6b7d1cc6056bfbbdb1bc5ff2757323d0N.exe

Executes dropped EXE 4 IoCs

pid	Process
2764	Kmimcbja.exe
2696	Kfaalh32.exe
2756	Kbhbai32.exe
2560	Lbjofi32.exe

Loads dropped DLL 12 IoCs

pid	Process
296	6b7d1cc6056bfbbdb1bc5ff2757323d0N.exe
296	6b7d1cc6056bfbbdb1bc5ff2757323d0N.exe
2764	Kmimcbja.exe
2764	Kmimcbja.exe
2696	Kfaalh32.exe
2696	Kfaalh32.exe
2756	Kbhbai32.exe
2756	Kbhbai32.exe
2636	WerFault.exe
2636	WerFault.exe
2636	WerFault.exe
2636	WerFault.exe

Drops file in System32 directory 12 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Kfaalh32.exe	Kmimcbja.exe
File created	C:\Windows\SysWOW64\Phblkn32.dll	Kmimcbja.exe
File opened for modification	C:\Windows\SysWOW64\Kbhbai32.exe	Kfaalh32.exe
File created	C:\Windows\SysWOW64\Bndneq32.dll	Kfaalh32.exe
File created	C:\Windows\SysWOW64\Ipafocdg.dll	Kbhbai32.exe
File created	C:\Windows\SysWOW64\Kmimcbja.exe	6b7d1cc6056bfbbdb1bc5ff2757323d0N.exe
File created	C:\Windows\SysWOW64\Bodilc32.dll	6b7d1cc6056bfbbdb1bc5ff2757323d0N.exe
File created	C:\Windows\SysWOW64\Kbhbai32.exe	Kfaalh32.exe
File created	C:\Windows\SysWOW64\Lbjofi32.exe	Kbhbai32.exe
File opened for modification	C:\Windows\SysWOW64\Lbjofi32.exe	Kbhbai32.exe
File opened for modification	C:\Windows\SysWOW64\Kmimcbja.exe	6b7d1cc6056bfbbdb1bc5ff2757323d0N.exe
File opened for modification	C:\Windows\SysWOW64\Kfaalh32.exe	Kmimcbja.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2636	2560	WerFault.exe	33

System Location Discovery: System Language Discovery 1 TTPs 5 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	6b7d1cc6056bfbbdb1bc5ff2757323d0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Kmimcbja.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Kfaalh32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Kbhbai32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Lbjofi32.exe

Modifies registry class 15 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ = "C:\\Windows\\SysWow64\\Bodilc32.dll"	6b7d1cc6056bfbbdb1bc5ff2757323d0N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32	Kfaalh32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ = "C:\\Windows\\SysWow64\\Bndneq32.dll"	Kfaalh32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	6b7d1cc6056bfbbdb1bc5ff2757323d0N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	6b7d1cc6056bfbbdb1bc5ff2757323d0N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}	6b7d1cc6056bfbbdb1bc5ff2757323d0N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ = "C:\\Windows\\SysWow64\\Phblkn32.dll"	Kmimcbja.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32	Kbhbai32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ThreadingModel = "Apartment"	Kbhbai32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32	6b7d1cc6056bfbbdb1bc5ff2757323d0N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ThreadingModel = "Apartment"	6b7d1cc6056bfbbdb1bc5ff2757323d0N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ThreadingModel = "Apartment"	Kmimcbja.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ = "C:\\Windows\\SysWow64\\Ipafocdg.dll"	Kbhbai32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32	Kmimcbja.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ThreadingModel = "Apartment"	Kfaalh32.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 296 wrote to memory of 2764	296	6b7d1cc6056bfbbdb1bc5ff2757323d0N.exe	30
PID 296 wrote to memory of 2764	296	6b7d1cc6056bfbbdb1bc5ff2757323d0N.exe	30
PID 296 wrote to memory of 2764	296	6b7d1cc6056bfbbdb1bc5ff2757323d0N.exe	30
PID 296 wrote to memory of 2764	296	6b7d1cc6056bfbbdb1bc5ff2757323d0N.exe	30
PID 2764 wrote to memory of 2696	2764	Kmimcbja.exe	31
PID 2764 wrote to memory of 2696	2764	Kmimcbja.exe	31
PID 2764 wrote to memory of 2696	2764	Kmimcbja.exe	31
PID 2764 wrote to memory of 2696	2764	Kmimcbja.exe	31
PID 2696 wrote to memory of 2756	2696	Kfaalh32.exe	32
PID 2696 wrote to memory of 2756	2696	Kfaalh32.exe	32
PID 2696 wrote to memory of 2756	2696	Kfaalh32.exe	32
PID 2696 wrote to memory of 2756	2696	Kfaalh32.exe	32
PID 2756 wrote to memory of 2560	2756	Kbhbai32.exe	33
PID 2756 wrote to memory of 2560	2756	Kbhbai32.exe	33
PID 2756 wrote to memory of 2560	2756	Kbhbai32.exe	33
PID 2756 wrote to memory of 2560	2756	Kbhbai32.exe	33
PID 2560 wrote to memory of 2636	2560	Lbjofi32.exe	34
PID 2560 wrote to memory of 2636	2560	Lbjofi32.exe	34
PID 2560 wrote to memory of 2636	2560	Lbjofi32.exe	34
PID 2560 wrote to memory of 2636	2560	Lbjofi32.exe	34

C:\Users\Admin\AppData\Local\Temp\6b7d1cc6056bfbbdb1bc5ff2757323d0N.exe
"C:\Users\Admin\AppData\Local\Temp\6b7d1cc6056bfbbdb1bc5ff2757323d0N.exe"
1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:296
- C:\Windows\SysWOW64\Kmimcbja.exe
  C:\Windows\system32\Kmimcbja.exe
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2764
- - C:\Windows\SysWOW64\Kfaalh32.exe
    C:\Windows\system32\Kfaalh32.exe
    3⤵
    - Adds autorun key to be loaded by Explorer.exe on startup
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    - Suspicious use of WriteProcessMemory
    PID:2696
  - - C:\Windows\SysWOW64\Kbhbai32.exe
      C:\Windows\system32\Kbhbai32.exe
      4⤵
      Adds autorun key to be loaded by Explorer.exe on startup
      Executes dropped EXE
      Loads dropped DLL
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      Modifies registry class
      Suspicious use of WriteProcessMemory
      PID:2756
    - - C:\Windows\SysWOW64\Lbjofi32.exe
        
        C:\Windows\system32\Lbjofi32.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2560
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2560 -s 140
        6⤵
        Loads dropped DLL
        Program crash
        
        PID:2636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

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\SysWOW64\Kbhbai32.exe

Filesize
77KB

MD5
e15a7f1a929227dc26bea031b2eb4b59

SHA1
a023cc263ed811241f0b2e0a8f9f15ae1f07ea5d

SHA256
a235340ad6d68ead36a93ea7aa3e11b62d57a0ad90da3713f3983e3dfa3520b1

SHA512
f65f5fd3ea653f385e6593cbbeff43ede3f063926af47db6aa5d59fa404597df824d5c41e1165564b98fd100ea461ef00e964ebd592c609f154375367b2173a7

Download Submit
\Windows\SysWOW64\Kfaalh32.exe

Filesize
77KB

MD5
515b65af377f38957afddc92977f350d

SHA1
2ff3c345fe1ed15c157513b1dbc68e6a22e4064d

SHA256
f4c17c3c716975159864684dd8af15217e9ca7ab281b2cd451d0ca76f540569d

SHA512
6fdfeff60c5c63cbf9a74737e398a363178730b4a36c111ee8d8c5ac7cf3a2b16de7023e0a78fb101a638797fdda3fcf771bfe31aae988eb1ee768688caa9a66

Download Submit
\Windows\SysWOW64\Kmimcbja.exe

Filesize
77KB

MD5
83fad597d6c1baecd689b44bf2560ae8

SHA1
52f7ce48b30990761e522f9f77024ce9695251ed

SHA256
456ac48867ef35d53e22b8a62d307b495f6dae7dd9e9a67bb3f08cbee5e69c5e

SHA512
a2c2402dacdf2d40dfe122a527fecc8d349ad8c662b5696ab5e0036859fad9201bc624126dc66ad1ccf47420b2f2a64238c3f5812a727a98b3eafa4967c6451b

Download Submit
\Windows\SysWOW64\Lbjofi32.exe

Filesize
77KB

MD5
4952f065694e8df834e343a9b9e22072

SHA1
104a44d921e008a430b8f83fb449c6acefb83e5d

SHA256
da20bb5b2883923a0360eb24b450d2947c8e32159b6dd82cbb56eba577d1154b

SHA512
cf3d4ee0c67cfc5826915fd17f59a6426df34886631c754ba6445577b67c0f2c79b4ab292f81d178b538dec7071021170238c0cde1de81a5992a856e96314de4

Download Submit
memory/296-61-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/296-0-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/296-12-0x0000000000250000-0x0000000000290000-memory.dmp

Filesize
256KB

Download
memory/296-11-0x0000000000250000-0x0000000000290000-memory.dmp

Filesize
256KB

Download
memory/2560-65-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2696-42-0x00000000005D0000-0x0000000000610000-memory.dmp

Filesize
256KB

Download
memory/2696-29-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2696-63-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2756-43-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2756-64-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2756-50-0x0000000000250000-0x0000000000290000-memory.dmp

Filesize
256KB

Download
memory/2764-22-0x0000000000270000-0x00000000002B0000-memory.dmp

Filesize
256KB

Download
memory/2764-62-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2764-28-0x0000000000270000-0x00000000002B0000-memory.dmp

Filesize
256KB

Download
memory/2764-14-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads