daa19c558ca6d23d2049c4bc6dcd39b4b6893cf9fe0888306e4271896cc1a768

Analysis

max time kernel
118s
max time network
128s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
22/12/2023, 16:30

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General

Target

f1865f60de05919bfb18eedc8a21af1d.exe
Size

219KB
MD5

f1865f60de05919bfb18eedc8a21af1d
SHA1

93497c59bdcb5065782feb367519af65aba43567
SHA256

daa19c558ca6d23d2049c4bc6dcd39b4b6893cf9fe0888306e4271896cc1a768
SHA512

3a12d440e0f84021f8ebc821e67b5af15bddaa4b10805518684a3d1736ceb8f3bcbf85666e03dd53aa7095d8d5b037f627518b1282942fe59440a913af78427f
SSDEEP

3072:bjr87S7Gnzbo6KcWmjRrz3gg59TDd3+X0PqsIFL8lQubKot8ZefaD9:AZvMG1TDdOX0CsKAlQ0KoXfah

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2268	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 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2748-0-0x00000000003F0000-0x0000000000407000-memory.dmp	upx
behavioral1/files/0x00330000000146c8-8.dat	upx
behavioral1/memory/2268-12-0x0000000000970000-0x0000000000987000-memory.dmp	upx
behavioral1/memory/2748-9-0x00000000003F0000-0x0000000000407000-memory.dmp	upx
behavioral1/memory/2748-5-0x00000000003B0000-0x00000000003C7000-memory.dmp	upx
behavioral1/files/0x0008000000012281-14.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"	f1865f60de05919bfb18eedc8a21af1d.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	f1865f60de05919bfb18eedc8a21af1d.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2748	f1865f60de05919bfb18eedc8a21af1d.exe
Token: SeDebugPrivilege	2268	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2748 wrote to memory of 2268	2748	f1865f60de05919bfb18eedc8a21af1d.exe	27
PID 2748 wrote to memory of 2268	2748	f1865f60de05919bfb18eedc8a21af1d.exe	27
PID 2748 wrote to memory of 2268	2748	f1865f60de05919bfb18eedc8a21af1d.exe	27
PID 2748 wrote to memory of 2268	2748	f1865f60de05919bfb18eedc8a21af1d.exe	27

C:\Users\Admin\AppData\Local\Temp\f1865f60de05919bfb18eedc8a21af1d.exe
"C:\Users\Admin\AppData\Local\Temp\f1865f60de05919bfb18eedc8a21af1d.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2748
- 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:2268

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\7iNbuUhfmW535QG.exe

Filesize
92KB

MD5
bc2aa76ba0e19a580e1c4af7915f69a6

SHA1
3189f8e347bab0e7dd52e73012c0011564f5041b

SHA256
75453eeb89bcbe57fff998ee199a92c6bbc47191da0bbd7171c8c91457398fc8

SHA512
ffee4f2bd0e4350a8bd9d103ddf0e96fe12975cec7df2a80dc746d3381276283458f9f1a1d8d77ee72e65b2146cc627a7fdc680ca0511cd77a01d23f6587adbf

Download Submit
C:\Windows\CTS.exe

Filesize
117KB

MD5
90560322e00c64a66ef2099f55ff1f09

SHA1
1404109a21e4656daa9dc570c32e6385b6634344

SHA256
69346cf100b44fce4b64c433efc47601922b255c5d4182f4ecf1fcff1ca05bf4

SHA512
164e6e7654b55727940b212d56df47043f11e612b04cdfbc4c33ad455bbb5b1cece3882acc944cd526f3c5dcd519bcd1d01a3d796e95902bfc680f51dfe74f61

Download Submit
memory/2268-12-0x0000000000970000-0x0000000000987000-memory.dmp

Filesize
92KB

Download
memory/2748-0-0x00000000003F0000-0x0000000000407000-memory.dmp

Filesize
92KB

Download
memory/2748-9-0x00000000003F0000-0x0000000000407000-memory.dmp

Filesize
92KB

Download
memory/2748-5-0x00000000003B0000-0x00000000003C7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads