fee0f29686b7164dacc3bbfe9c5e2bdac24d37f0e617721788eec173c976ba0c

General

Target

99c0bc283e7897d00cbae06b49acd26d_JC.exe
Size

82KB
MD5

99c0bc283e7897d00cbae06b49acd26d
SHA1

c26f1b49721f3676747db58b0519735598153193
SHA256

fee0f29686b7164dacc3bbfe9c5e2bdac24d37f0e617721788eec173c976ba0c
SHA512

e41ec592ac9944c42c9f93b7dc43b4baa1d90ab401567a6436d28e8fe795285ff592ae57284ea87e918b0a100befd468d1a88076242b80fa6952931983ba174e
SSDEEP

768:NNK2cNW0QbRsWjcd+6yBFLqJ4Z8qx70RM8/O/B2ZR1RGn8NIoGLLRNeo6:NcNjQlsWjcd+xzl7SM+Gn8255Neo6

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2692	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 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1376-0-0x0000000000C40000-0x0000000000C59000-memory.dmp	upx
behavioral1/memory/1376-5-0x00000000000E0000-0x00000000000F9000-memory.dmp	upx
behavioral1/memory/1376-9-0x0000000000C40000-0x0000000000C59000-memory.dmp	upx
behavioral1/memory/2692-12-0x0000000000350000-0x0000000000369000-memory.dmp	upx
behavioral1/files/0x0009000000012242-11.dat	upx
behavioral1/files/0x0009000000012242-10.dat	upx
behavioral1/files/0x0009000000012242-8.dat	upx
behavioral1/files/0x000b00000001201c-14.dat	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"	99c0bc283e7897d00cbae06b49acd26d_JC.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	99c0bc283e7897d00cbae06b49acd26d_JC.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1376	99c0bc283e7897d00cbae06b49acd26d_JC.exe
Token: SeDebugPrivilege	2692	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1376 wrote to memory of 2692	1376	99c0bc283e7897d00cbae06b49acd26d_JC.exe	28
PID 1376 wrote to memory of 2692	1376	99c0bc283e7897d00cbae06b49acd26d_JC.exe	28
PID 1376 wrote to memory of 2692	1376	99c0bc283e7897d00cbae06b49acd26d_JC.exe	28
PID 1376 wrote to memory of 2692	1376	99c0bc283e7897d00cbae06b49acd26d_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\99c0bc283e7897d00cbae06b49acd26d_JC.exe
"C:\Users\Admin\AppData\Local\Temp\99c0bc283e7897d00cbae06b49acd26d_JC.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1376
- 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:2692

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\Temp\LrKLKbrQnmTgEoY.exe

Filesize
82KB

MD5
2012cbd972fa6c9950e96a1ebf011e97

SHA1
99a45fdfe974536cc293c52fb2f8286d5ca22976

SHA256
f502db6b1b5c361550d6a6bbbc48b37207558aead6fa080fbd56e691c091031b

SHA512
f510a309e9355798adc320f42e566f5f604bcaa02f9ea698588ee3c9f86347cfc78845c698ab2e6afcc363f8f0d4fa1e10cd3581a61d5ddcced88abcad52b1a8

Download Submit
C:\Windows\CTS.exe

Filesize
82KB

MD5
112e2e3d0f9b5bdfc715836bfd6360cf

SHA1
3376a739daff15255ad9b6552897856df1778ed1

SHA256
739998c19476d853c1c4264b79f01c4c3429c8e34746a6e22fdb7ef07db375db

SHA512
6ec42ffda1f8c8245ece5856b6536c3dc9e6ff78bc93ab1a123ee6b01dadd2550ffa8623bd2e21038e27f2a94b305dba02f9abd31576c62d9f3ed90c98974f4b

Download Submit
C:\Windows\CTS.exe

Filesize
82KB

MD5
112e2e3d0f9b5bdfc715836bfd6360cf

SHA1
3376a739daff15255ad9b6552897856df1778ed1

SHA256
739998c19476d853c1c4264b79f01c4c3429c8e34746a6e22fdb7ef07db375db

SHA512
6ec42ffda1f8c8245ece5856b6536c3dc9e6ff78bc93ab1a123ee6b01dadd2550ffa8623bd2e21038e27f2a94b305dba02f9abd31576c62d9f3ed90c98974f4b

Download Submit
C:\Windows\CTS.exe

Filesize
82KB

MD5
112e2e3d0f9b5bdfc715836bfd6360cf

SHA1
3376a739daff15255ad9b6552897856df1778ed1

SHA256
739998c19476d853c1c4264b79f01c4c3429c8e34746a6e22fdb7ef07db375db

SHA512
6ec42ffda1f8c8245ece5856b6536c3dc9e6ff78bc93ab1a123ee6b01dadd2550ffa8623bd2e21038e27f2a94b305dba02f9abd31576c62d9f3ed90c98974f4b

Download Submit
memory/1376-0-0x0000000000C40000-0x0000000000C59000-memory.dmp

Filesize
100KB

Download
memory/1376-5-0x00000000000E0000-0x00000000000F9000-memory.dmp

Filesize
100KB

Download
memory/1376-9-0x0000000000C40000-0x0000000000C59000-memory.dmp

Filesize
100KB

Download
memory/2692-12-0x0000000000350000-0x0000000000369000-memory.dmp

Filesize
100KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads