kinsing | e7d6dcd26da0b0d7995cf046a83d42c6c54a0d446d1ec62eb387e73573fca209

General

Target

7500dde5fbb1ddbc517b9c47cb365eb0.exe
Size

130KB
MD5

7500dde5fbb1ddbc517b9c47cb365eb0
SHA1

62b739c8424df63e41f28a80666a1c2dde4e0511
SHA256

e7d6dcd26da0b0d7995cf046a83d42c6c54a0d446d1ec62eb387e73573fca209
SHA512

0f1b91eb4271653151261512f562c57e612ef16638e1156ea099b99c0b452a0a93e69b0f2f739ba60104e3e059ee4f1ab4bd975bd0afddb0a2d8e38013d9b585
SSDEEP

3072:SKcWmjRrz3ZKcWmjRrz3OtjuPOkI3tu1p9Yqv4vH:hGyGOcWp3tuFvo

Score

10^/10

kinsing loader persistence spyware stealer upx

Malware Config

Signatures

Kinsing
Kinsing is a loader written in Golang.
loader kinsing
Executes dropped EXE 2 IoCs

Processes:

lwFnJHyK5Wbi7f2.exeCTS.exe

pid process

4076 lwFnJHyK5Wbi7f2.exe
4184 CTS.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

pid	process
4076	lwFnJHyK5Wbi7f2.exe
4184	CTS.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4396-0-0x00000000002D0000-0x00000000002E7000-memory.dmp	upx
behavioral2/memory/4184-9-0x0000000000BD0000-0x0000000000BE7000-memory.dmp	upx
behavioral2/memory/4396-8-0x00000000002D0000-0x00000000002E7000-memory.dmp	upx
C:\Windows\CTS.exe	upx
C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

7500dde5fbb1ddbc517b9c47cb365eb0.exeCTS.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	7500dde5fbb1ddbc517b9c47cb365eb0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Drops file in Windows directory 2 IoCs

Processes:

7500dde5fbb1ddbc517b9c47cb365eb0.exeCTS.exe

description ioc process

File created C:\Windows\CTS.exe 7500dde5fbb1ddbc517b9c47cb365eb0.exe
File created C:\Windows\CTS.exe CTS.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

7500dde5fbb1ddbc517b9c47cb365eb0.exeCTS.exe

description pid process

Token: SeDebugPrivilege 4396 7500dde5fbb1ddbc517b9c47cb365eb0.exe
Token: SeDebugPrivilege 4184 CTS.exe

description	ioc	process
File created	C:\Windows\CTS.exe	7500dde5fbb1ddbc517b9c47cb365eb0.exe
File created	C:\Windows\CTS.exe	CTS.exe

description	pid	process
Token: SeDebugPrivilege	4396	7500dde5fbb1ddbc517b9c47cb365eb0.exe
Token: SeDebugPrivilege	4184	CTS.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

7500dde5fbb1ddbc517b9c47cb365eb0.exe

description	pid	process	target process
PID 4396 wrote to memory of 4076	4396	7500dde5fbb1ddbc517b9c47cb365eb0.exe	lwFnJHyK5Wbi7f2.exe
PID 4396 wrote to memory of 4076	4396	7500dde5fbb1ddbc517b9c47cb365eb0.exe	lwFnJHyK5Wbi7f2.exe
PID 4396 wrote to memory of 4076	4396	7500dde5fbb1ddbc517b9c47cb365eb0.exe	lwFnJHyK5Wbi7f2.exe
PID 4396 wrote to memory of 4184	4396	7500dde5fbb1ddbc517b9c47cb365eb0.exe	CTS.exe
PID 4396 wrote to memory of 4184	4396	7500dde5fbb1ddbc517b9c47cb365eb0.exe	CTS.exe
PID 4396 wrote to memory of 4184	4396	7500dde5fbb1ddbc517b9c47cb365eb0.exe	CTS.exe

C:\Users\Admin\AppData\Local\Temp\7500dde5fbb1ddbc517b9c47cb365eb0.exe
"C:\Users\Admin\AppData\Local\Temp\7500dde5fbb1ddbc517b9c47cb365eb0.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4396

C:\Users\Admin\AppData\Local\Temp\lwFnJHyK5Wbi7f2.exe
C:\Users\Admin\AppData\Local\Temp\lwFnJHyK5Wbi7f2.exe
2⤵
- Executes dropped EXE
PID:4076

C:\Windows\CTS.exe
"C:\Windows\CTS.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4184

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

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
Filesize
382KB

MD5
19ec444f439d4e50b77ba1229722c2dd

SHA1
e5059c196bb64230c46789426a3d5fa662df80dc

SHA256
8fb35438898dcc782998b1073f93a05cea2e0c21310292b015e5afebd0367799

SHA512
15a309c968a3ff18a532d0c7c9835c929e9e8467c5e858d5e9cb925c707bc06f9ca39c866f753adfef5f4a7b0d48186c09e13ecc4d7581e64fb2c9317200a8ad

Download Submit
C:\Users\Admin\AppData\Local\Temp\lwFnJHyK5Wbi7f2.exe
Filesize
71KB

MD5
3f1a1f5fbc852fabe1daec89efc19b15

SHA1
cd6e4c2efbe22e5712de745f7d9cdebd29ac117c

SHA256
0d3a83a6df2c5e94267e3129bf874dc32c354e04f4f8a2fc98f6314e7c58f576

SHA512
77377378b0ed20f605f8dc65b149402eebf8ca612f58ba6aa894a12341d3dc59a15890419932e696f544c764f4a5eabed59eb0531c6449fb1d119a540dd88262

Download Submit
C:\Windows\CTS.exe
Filesize
59KB

MD5
5efd390d5f95c8191f5ac33c4db4b143

SHA1
42d81b118815361daa3007f1a40f1576e9a9e0bc

SHA256
6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74

SHA512
720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d

Download Submit
memory/4184-9-0x0000000000BD0000-0x0000000000BE7000-memory.dmp

Filesize
92KB

Download
memory/4396-0-0x00000000002D0000-0x00000000002E7000-memory.dmp

Filesize
92KB

Download
memory/4396-8-0x00000000002D0000-0x00000000002E7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads