7f9fef793ee0dfd8d00428fff41054523553a147c3e73e5b68003a16d7d0e600

General

Target

793f13601348fb65945f8dcafef86579_JC.exe
Size

62KB
MD5

793f13601348fb65945f8dcafef86579
SHA1

13afece724613a522d5efdc2c8e713f5140a2363
SHA256

7f9fef793ee0dfd8d00428fff41054523553a147c3e73e5b68003a16d7d0e600
SHA512

9d18976c41e66a933a179bb550e15b1998128886bbda5ff75b8c2bddaf247ff9c9729d815c2403d891c46980ac319a4e043adf1517f9b1e2e2897af6fbb9bf12
SSDEEP

1536:tKcR4mjD9r823FHbTPlRfJEVXXBWV1ansRrDSZM1O9ha:tKcWmjRrz3vROVXBS4nsfO9Q

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1928	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/2068-0-0x0000000000F20000-0x0000000000F3E000-memory.dmp	upx
behavioral1/files/0x000a00000001225f-8.dat	upx
behavioral1/memory/2068-9-0x0000000000F20000-0x0000000000F3E000-memory.dmp	upx
behavioral1/files/0x000a00000001225f-11.dat	upx
behavioral1/files/0x000a00000001225f-10.dat	upx
behavioral1/memory/2068-5-0x0000000000070000-0x000000000008E000-memory.dmp	upx
behavioral1/memory/1928-12-0x0000000000AE0000-0x0000000000AFE000-memory.dmp	upx
behavioral1/files/0x00060000000120e4-14.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"	793f13601348fb65945f8dcafef86579_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	793f13601348fb65945f8dcafef86579_JC.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2068	793f13601348fb65945f8dcafef86579_JC.exe
Token: SeDebugPrivilege	1928	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 1928	2068	793f13601348fb65945f8dcafef86579_JC.exe	28
PID 2068 wrote to memory of 1928	2068	793f13601348fb65945f8dcafef86579_JC.exe	28
PID 2068 wrote to memory of 1928	2068	793f13601348fb65945f8dcafef86579_JC.exe	28
PID 2068 wrote to memory of 1928	2068	793f13601348fb65945f8dcafef86579_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\793f13601348fb65945f8dcafef86579_JC.exe
"C:\Users\Admin\AppData\Local\Temp\793f13601348fb65945f8dcafef86579_JC.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2068
- 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:1928

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\70EEULSoZ1eTsdd.exe

Filesize
62KB

MD5
97bf29b223921504df45360d38d4071e

SHA1
8ccacab23973ff69df26af79c83e57e70795f4b5

SHA256
9a50813d389ad82d6f26d27633fabef81d8850156d386aa63c5a4c731521b1c7

SHA512
b350ee4231e0310e5106962f5e86e820884914486e7146356cb12a904b499df5d97412f2860c2a1b89cd05e9eb56dad05cbe635ba95c420a92fa06c55700371c

Download Submit
C:\Windows\CTS.exe

Filesize
58KB

MD5
35b2c34c73c1d56049bd125a8e97cb5c

SHA1
28e4ab8932111afff0d84a56ee6c3255ae019855

SHA256
859ce0d34a212a4195d63015e6bf9c227c369b9bd781b3037c2d09f18979886a

SHA512
9f6b889831359d38c28aceded939486804560ec6289d059a2281191bf805711efe8516ecc991f26fe25b76f18148768ba2dd33b692a92f27ea71fd3b2c5efbc3

Download Submit
C:\Windows\CTS.exe

Filesize
58KB

MD5
35b2c34c73c1d56049bd125a8e97cb5c

SHA1
28e4ab8932111afff0d84a56ee6c3255ae019855

SHA256
859ce0d34a212a4195d63015e6bf9c227c369b9bd781b3037c2d09f18979886a

SHA512
9f6b889831359d38c28aceded939486804560ec6289d059a2281191bf805711efe8516ecc991f26fe25b76f18148768ba2dd33b692a92f27ea71fd3b2c5efbc3

Download Submit
C:\Windows\CTS.exe

Filesize
58KB

MD5
35b2c34c73c1d56049bd125a8e97cb5c

SHA1
28e4ab8932111afff0d84a56ee6c3255ae019855

SHA256
859ce0d34a212a4195d63015e6bf9c227c369b9bd781b3037c2d09f18979886a

SHA512
9f6b889831359d38c28aceded939486804560ec6289d059a2281191bf805711efe8516ecc991f26fe25b76f18148768ba2dd33b692a92f27ea71fd3b2c5efbc3

Download Submit
memory/1928-12-0x0000000000AE0000-0x0000000000AFE000-memory.dmp

Filesize
120KB

Download
memory/2068-0-0x0000000000F20000-0x0000000000F3E000-memory.dmp

Filesize
120KB

Download
memory/2068-9-0x0000000000F20000-0x0000000000F3E000-memory.dmp

Filesize
120KB

Download
memory/2068-5-0x0000000000070000-0x000000000008E000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads