0bcd8c299b34aa2da740c2892b3ef8b80f07358a259518951693321b46232db5

General

Target

0bcd8c299b34aa2da740c2892b3ef8b80f07358a259518951693321b46232db5N.exe
Size

36KB
MD5

7985c2578087db3318ea87590a765310
SHA1

bf9ab9198623d27638615277c2fed7932e268f05
SHA256

0bcd8c299b34aa2da740c2892b3ef8b80f07358a259518951693321b46232db5
SHA512

3d1670ac1f534d41784c6fb88a1972ee44c31652ed9dbcd580d1d4e5158f251d1b4c28f953669dccc311ab9f29b68a889ae2cb1a8f1b902d7f8e7a5dba6708c8
SSDEEP

768:4noSEjp9Plchfr6TUqnbcuyD7UYK4pavvvZeee26666HEEExTtqqqqBttttA:4oSEZWTUUqnouy8YXEvvvZeee5LttttA

Score

7^/10

defense_evasion discovery upx

Malware Config

Signatures

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2904 cmd.exe
Executes dropped EXE 1 IoCs

Processes:

kkehost.exe

pid process

324 kkehost.exe
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

pid	process
2904	cmd.exe

pid	process
324	kkehost.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2060-0-0x0000000000400000-0x000000000040E000-memory.dmp	upx
C:\Windows\debug\kkehost.exe	upx
behavioral1/memory/2060-4-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/324-5-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/324-11-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/324-14-0x0000000000400000-0x000000000040E000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

Processes:

0bcd8c299b34aa2da740c2892b3ef8b80f07358a259518951693321b46232db5N.exe

description	ioc	process
File created	C:\Windows\Debug\kkehost.exe	0bcd8c299b34aa2da740c2892b3ef8b80f07358a259518951693321b46232db5N.exe
File opened for modification	C:\Windows\Debug\kkehost.exe	0bcd8c299b34aa2da740c2892b3ef8b80f07358a259518951693321b46232db5N.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

Processes:

0bcd8c299b34aa2da740c2892b3ef8b80f07358a259518951693321b46232db5N.exekkehost.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0bcd8c299b34aa2da740c2892b3ef8b80f07358a259518951693321b46232db5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kkehost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

kkehost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	kkehost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	kkehost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

0bcd8c299b34aa2da740c2892b3ef8b80f07358a259518951693321b46232db5N.exe

description pid process

Token: SeIncBasePriorityPrivilege 2060 0bcd8c299b34aa2da740c2892b3ef8b80f07358a259518951693321b46232db5N.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2060	0bcd8c299b34aa2da740c2892b3ef8b80f07358a259518951693321b46232db5N.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

0bcd8c299b34aa2da740c2892b3ef8b80f07358a259518951693321b46232db5N.exe

description	pid	process	target process
PID 2060 wrote to memory of 2904	2060	0bcd8c299b34aa2da740c2892b3ef8b80f07358a259518951693321b46232db5N.exe	cmd.exe
PID 2060 wrote to memory of 2904	2060	0bcd8c299b34aa2da740c2892b3ef8b80f07358a259518951693321b46232db5N.exe	cmd.exe
PID 2060 wrote to memory of 2904	2060	0bcd8c299b34aa2da740c2892b3ef8b80f07358a259518951693321b46232db5N.exe	cmd.exe
PID 2060 wrote to memory of 2904	2060	0bcd8c299b34aa2da740c2892b3ef8b80f07358a259518951693321b46232db5N.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\0bcd8c299b34aa2da740c2892b3ef8b80f07358a259518951693321b46232db5N.exe
"C:\Users\Admin\AppData\Local\Temp\0bcd8c299b34aa2da740c2892b3ef8b80f07358a259518951693321b46232db5N.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2060

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\0BCD8C~1.EXE > nul
2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2904

C:\Windows\Debug\kkehost.exe
C:\Windows\Debug\kkehost.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Checks processor information in registry
PID:324

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

1

T1070

File Deletion

1

T1070.004

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

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Downloads

C:\Windows\debug\kkehost.exe

Filesize
36KB

MD5
dc010809631f83ce0cca0525b3b21b06

SHA1
9bb2afea53743287ca6ed5f287ed13fbae6aa7b8

SHA256
b921fb3a1b6e90e23b2359efe7bdbfb107b9be971d4c696fbdc313936a95657e

SHA512
252387c8d1ec1d64b107527e7eff23ccf40eb6d3dd94128c3d370ec7aa6e9239570f5ab101f2c9757bb4ad63f2c75fe0a4f11ade13b998336cf8019e2f36f7f9

Download Submit
memory/324-5-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/324-11-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/324-14-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2060-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2060-4-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads