143e44389b9e644aeb3ba0bc382895017ccf7311a5a43f32c8347e32f890bd7e

General

Target

2bff31fcc27c2431cdf6c168192b06b6.exe
Size

363KB
MD5

2bff31fcc27c2431cdf6c168192b06b6
SHA1

e6cbb2f097c5dea5ea95625cba19331e358ca8d9
SHA256

143e44389b9e644aeb3ba0bc382895017ccf7311a5a43f32c8347e32f890bd7e
SHA512

27fcf64e98f2b39db034b92a0e2b5cacc139e8c619084053dfd1b04cfff5199bf450a72e48bf830a3bcc007b170e65a906e3683a86b3d2039cd12eaa16d1e81a
SSDEEP

6144:hGiQ35VFbYf/ljExVb79fhwmL+yZjDRB4cwKvI3fiYbHB8srTxC/ijWAJft:hRgFYfhgV/9fhwXyxD0cNw3qYbHPrTwA

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2180	uXFx3B99hpU54G2.exe
1736	CTS.exe

Loads dropped DLL 1 IoCs

pid	Process
2508	2bff31fcc27c2431cdf6c168192b06b6.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 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2508-0-0x0000000000090000-0x00000000000A7000-memory.dmp	upx
behavioral1/files/0x0008000000012281-15.dat	upx
behavioral1/memory/1736-16-0x0000000000B10000-0x0000000000B27000-memory.dmp	upx
behavioral1/memory/2508-12-0x0000000000090000-0x00000000000A7000-memory.dmp	upx
behavioral1/memory/2508-8-0x0000000000070000-0x0000000000087000-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"	2bff31fcc27c2431cdf6c168192b06b6.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	CTS.exe
File created	C:\Windows\CTS.exe	2bff31fcc27c2431cdf6c168192b06b6.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2508	2bff31fcc27c2431cdf6c168192b06b6.exe
Token: SeDebugPrivilege	1736	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 1736	2508	2bff31fcc27c2431cdf6c168192b06b6.exe	15
PID 2508 wrote to memory of 1736	2508	2bff31fcc27c2431cdf6c168192b06b6.exe	15
PID 2508 wrote to memory of 1736	2508	2bff31fcc27c2431cdf6c168192b06b6.exe	15
PID 2508 wrote to memory of 1736	2508	2bff31fcc27c2431cdf6c168192b06b6.exe	15

C:\Users\Admin\AppData\Local\Temp\2bff31fcc27c2431cdf6c168192b06b6.exe
"C:\Users\Admin\AppData\Local\Temp\2bff31fcc27c2431cdf6c168192b06b6.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2508
- 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:1736
- C:\Users\Admin\AppData\Local\Temp\uXFx3B99hpU54G2.exe
  C:\Users\Admin\AppData\Local\Temp\uXFx3B99hpU54G2.exe
  2⤵
  - Executes dropped EXE
  PID:2180

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\uXFx3B99hpU54G2.exe

Filesize
334KB

MD5
f310d4e936b68a5d76b7b808507e99f9

SHA1
6dccf493508f97212688413bec28f86befbff8e2

SHA256
58b7e175725ddf68a7a6c891889daaa3b7d4f90c14bfcff287cb3336cbd7da60

SHA512
daead56dfdd7b4a7a8fabdc6e12144273aae244aa90817d76281e5a7414e3f07ca2761f481bda91a47fc3c1c911ff1783e7421e566e3b3fc59b443de141d9e5d

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
\Users\Admin\AppData\Local\Temp\uXFx3B99hpU54G2.exe

Filesize
98KB

MD5
02ad7fddc0170f1637dd27469263a719

SHA1
45314db768f44a5e4ed3c81ac0dece2400f57285

SHA256
936b2a9503fa26176c65bc4e2a7aa4abba9934d3ea1d74fafb46f299f4786ce9

SHA512
2298115a94d482ad5445a511cd02e56cf6c31449dba61e18f68fa7e9c465dd4d555569aa86550bcba0127c5d165478408358c2d8682e440bd1f6a06f761cf6d9

Download Submit
memory/1736-16-0x0000000000B10000-0x0000000000B27000-memory.dmp

Filesize
92KB

Download
memory/2508-0-0x0000000000090000-0x00000000000A7000-memory.dmp

Filesize
92KB

Download
memory/2508-14-0x0000000000070000-0x0000000000087000-memory.dmp

Filesize
92KB

Download
memory/2508-12-0x0000000000090000-0x00000000000A7000-memory.dmp

Filesize
92KB

Download
memory/2508-8-0x0000000000070000-0x0000000000087000-memory.dmp

Filesize
92KB

Download
memory/2508-21-0x0000000000070000-0x0000000000087000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads