bd0b0abd3daec4ff56d2e4e429be56c56989505d236239c4874bad451f4adf09

General

Target

64d4af8e93ee1377d86e6992dda4c7b8.exe
Size

29KB
MD5

64d4af8e93ee1377d86e6992dda4c7b8
SHA1

21c4b4d2f2e803f7a3a71d297ed6cf59e89ffdee
SHA256

bd0b0abd3daec4ff56d2e4e429be56c56989505d236239c4874bad451f4adf09
SHA512

8de69c2e6e0b7f0f794150ca8c5adc7095382f9ba3ef0620c8fa541d32fe06d978ceb8003398c4d5024bb0c9778f3a113520da069fd4efcbe03706c3319157cf
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFH:SKcR4mjD9r823FH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4688	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

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1748-0-0x00000000006B0000-0x00000000006C7000-memory.dmp	upx
behavioral2/memory/1748-7-0x00000000006B0000-0x00000000006C7000-memory.dmp	upx
behavioral2/memory/4688-8-0x0000000000AB0000-0x0000000000AC7000-memory.dmp	upx
behavioral2/files/0x0009000000023106-9.dat	upx
behavioral2/files/0x00090000000227d5-12.dat	upx
behavioral2/files/0x000400000001e630-30.dat	upx
behavioral2/memory/4688-33-0x0000000000AB0000-0x0000000000AC7000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 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\Run\CTS = "C:\\Windows\\CTS.exe"	64d4af8e93ee1377d86e6992dda4c7b8.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

description	ioc	Process
File created	C:\Windows\CTS.exe	64d4af8e93ee1377d86e6992dda4c7b8.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1748	64d4af8e93ee1377d86e6992dda4c7b8.exe
Token: SeDebugPrivilege	4688	CTS.exe
Token: SeManageVolumePrivilege	556	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 4688	1748	64d4af8e93ee1377d86e6992dda4c7b8.exe	91
PID 1748 wrote to memory of 4688	1748	64d4af8e93ee1377d86e6992dda4c7b8.exe	91
PID 1748 wrote to memory of 4688	1748	64d4af8e93ee1377d86e6992dda4c7b8.exe	91

C:\Users\Admin\AppData\Local\Temp\64d4af8e93ee1377d86e6992dda4c7b8.exe
"C:\Users\Admin\AppData\Local\Temp\64d4af8e93ee1377d86e6992dda4c7b8.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1748
- 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:4688

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
1⤵
PID:4904

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k UnistackSvcGroup
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:556

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
352KB

MD5
201c600142b37eb41d138c3bd5e9392c

SHA1
4ea36ef219160c86b89c7cf5ec5005ad51c97fb1

SHA256
7f770c25a37fc074a7790a3a159c3c38cefc6c8574246d505e494fa613dcf1fc

SHA512
d4c0b29d4331ffd1e070df789ac1e75befa829a8509899d8fca7023b9bbe1f02ed49f0bf57f72894aa13ed3b9e265a2ca2a078e6b786dc9b2361d50721803b37

Download Submit
C:\Users\Admin\AppData\Local\Temp\M9icK2JtCWEsL9P.exe

Filesize
29KB

MD5
3499b7950ec4c8b128cae6cfe71beb92

SHA1
19fa9d87fb08a40b0a0d87f9d5aff86615397d32

SHA256
e2f5ea0f1796ddcb1a5b30a584efc772ab1cf75cf8975adac980fb6bf343609e

SHA512
57eb9d497c8c8f58db13941ccf847c8582bfeecde6ceb75e4b4993deac4106fb8e10d2e6d020099a19316b7eb7996a3514c30349d6cdef6edcaf180fe63009f4

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/556-77-0x0000016D3C450000-0x0000016D3C451000-memory.dmp

Filesize
4KB

Download
memory/556-45-0x0000016D34040000-0x0000016D34050000-memory.dmp

Filesize
64KB

Download
memory/556-61-0x0000016D34140000-0x0000016D34150000-memory.dmp

Filesize
64KB

Download
memory/556-79-0x0000016D3C480000-0x0000016D3C481000-memory.dmp

Filesize
4KB

Download
memory/556-80-0x0000016D3C480000-0x0000016D3C481000-memory.dmp

Filesize
4KB

Download
memory/556-81-0x0000016D3C590000-0x0000016D3C591000-memory.dmp

Filesize
4KB

Download
memory/1748-7-0x00000000006B0000-0x00000000006C7000-memory.dmp

Filesize
92KB

Download
memory/1748-0-0x00000000006B0000-0x00000000006C7000-memory.dmp

Filesize
92KB

Download
memory/4688-8-0x0000000000AB0000-0x0000000000AC7000-memory.dmp

Filesize
92KB

Download
memory/4688-33-0x0000000000AB0000-0x0000000000AC7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads