281da6e00a1e62346cb302ac1756b594f956d16eb658ab3cfae6332482539b7d

General

Target

bc548713a947afc05890c206d6b63ac8_JC.exe
Size

161KB
MD5

bc548713a947afc05890c206d6b63ac8
SHA1

338447d5e4da7f3956a1a497b4b4117cf028a596
SHA256

281da6e00a1e62346cb302ac1756b594f956d16eb658ab3cfae6332482539b7d
SHA512

9d7e0e178a90f59b2b31f6d4586c9068994a91ad32a7d09d7a86d684ebbef11af96087435cc953335da57e0012d80a62baa87ba3902ef86761f2ab009bb037c6
SSDEEP

3072:aKcWmjRrz3/spWvv6RwYLV2EPr1oMBGd1D2S+eBalODap:ZGWSjk2EPr1oFkSrBalODM

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2036	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
behavioral1/memory/2456-0-0x0000000001140000-0x0000000001168000-memory.dmp	upx
behavioral1/memory/2456-8-0x0000000001140000-0x0000000001168000-memory.dmp	upx
behavioral1/files/0x000d000000012271-7.dat	upx
behavioral1/files/0x000d000000012271-9.dat	upx
behavioral1/files/0x000d000000012271-10.dat	upx
behavioral1/memory/2036-12-0x0000000000350000-0x0000000000378000-memory.dmp	upx
behavioral1/files/0x00060000000120e4-15.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"	CTS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	bc548713a947afc05890c206d6b63ac8_JC.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	bc548713a947afc05890c206d6b63ac8_JC.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2456	bc548713a947afc05890c206d6b63ac8_JC.exe
Token: SeDebugPrivilege	2036	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2456 wrote to memory of 2036	2456	bc548713a947afc05890c206d6b63ac8_JC.exe	28
PID 2456 wrote to memory of 2036	2456	bc548713a947afc05890c206d6b63ac8_JC.exe	28
PID 2456 wrote to memory of 2036	2456	bc548713a947afc05890c206d6b63ac8_JC.exe	28
PID 2456 wrote to memory of 2036	2456	bc548713a947afc05890c206d6b63ac8_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\bc548713a947afc05890c206d6b63ac8_JC.exe
"C:\Users\Admin\AppData\Local\Temp\bc548713a947afc05890c206d6b63ac8_JC.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2456
- 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:2036

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\un4Oq8CCgXeDeBM.exe

Filesize
161KB

MD5
70313bd22d2d69d397668106867e6baa

SHA1
cd60e3e40872bfdf20c1c523c88bbdd7c8513195

SHA256
6c07ae09e793e7661ad0d2304901ddee1264151c88390847269a4cddbc86d260

SHA512
02ff5c05f0372975608718ddd141878e2d3f1953d6e43afc4b3a3862306d1acf8b903724b4881d5cd426ad0b919e74d941d0702193ec51459aac2cbfc75a4c82

Download Submit
C:\Windows\CTS.exe

Filesize
161KB

MD5
e8f8a485ab339763f170f82d68d4107d

SHA1
460dad0367cb4cdc47abd3c56f08f93693aff1c9

SHA256
371b30e5623c6337ad98c420f570bc9c86878ddec314e404e570c4348554c17b

SHA512
7d22ef520543c5f7b7f0d816a0eaabcf093a03c96de2a002d035d3eb0d27abcff9dfcfa88113bcf2b51a5eb638c4b39c35c031054a3a4314e4c1190928d240f5

Download Submit
C:\Windows\CTS.exe

Filesize
161KB

MD5
e8f8a485ab339763f170f82d68d4107d

SHA1
460dad0367cb4cdc47abd3c56f08f93693aff1c9

SHA256
371b30e5623c6337ad98c420f570bc9c86878ddec314e404e570c4348554c17b

SHA512
7d22ef520543c5f7b7f0d816a0eaabcf093a03c96de2a002d035d3eb0d27abcff9dfcfa88113bcf2b51a5eb638c4b39c35c031054a3a4314e4c1190928d240f5

Download Submit
C:\Windows\CTS.exe

Filesize
161KB

MD5
e8f8a485ab339763f170f82d68d4107d

SHA1
460dad0367cb4cdc47abd3c56f08f93693aff1c9

SHA256
371b30e5623c6337ad98c420f570bc9c86878ddec314e404e570c4348554c17b

SHA512
7d22ef520543c5f7b7f0d816a0eaabcf093a03c96de2a002d035d3eb0d27abcff9dfcfa88113bcf2b51a5eb638c4b39c35c031054a3a4314e4c1190928d240f5

Download Submit
memory/2036-12-0x0000000000350000-0x0000000000378000-memory.dmp

Filesize
160KB

Download
memory/2456-0-0x0000000001140000-0x0000000001168000-memory.dmp

Filesize
160KB

Download
memory/2456-8-0x0000000001140000-0x0000000001168000-memory.dmp

Filesize
160KB

Download
memory/2456-11-0x00000000000E0000-0x0000000000108000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads