24f7f5d0028c223c109010787bffcd6e862becb2578ba139454d2768df210994

General

Target

24f7f5d0028c223c109010787bffcd6e862becb2578ba139454d2768df210994N.exe
Size

491KB
MD5

110b0d66c1ce3781a5d1e916c251e640
SHA1

a465c4055d0e796a648a3d35c825bc16c66fe851
SHA256

24f7f5d0028c223c109010787bffcd6e862becb2578ba139454d2768df210994
SHA512

1fbdc7c435bfaaeed5fe0cc8a5ff1093d10dbfaa51cb42ee422de814b2f22c395cbf77f48cc4339004dddf6498155c27eff53dba0df7e90f28b3efc913437284
SSDEEP

12288:hS0eOgEn4hMjG7SB84oIUtOCZtvXmcSKIlhF:De+K/GSt9OwtOcJIh

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1400	z4wij5W6MdcJotM.exe
1204	CTS.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

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"	24f7f5d0028c223c109010787bffcd6e862becb2578ba139454d2768df210994N.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	24f7f5d0028c223c109010787bffcd6e862becb2578ba139454d2768df210994N.exe
File created	C:\Windows\CTS.exe	CTS.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	24f7f5d0028c223c109010787bffcd6e862becb2578ba139454d2768df210994N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	z4wij5W6MdcJotM.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3852	24f7f5d0028c223c109010787bffcd6e862becb2578ba139454d2768df210994N.exe
Token: SeDebugPrivilege	1204	CTS.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3852 wrote to memory of 1400	3852	24f7f5d0028c223c109010787bffcd6e862becb2578ba139454d2768df210994N.exe	82
PID 3852 wrote to memory of 1400	3852	24f7f5d0028c223c109010787bffcd6e862becb2578ba139454d2768df210994N.exe	82
PID 3852 wrote to memory of 1400	3852	24f7f5d0028c223c109010787bffcd6e862becb2578ba139454d2768df210994N.exe	82
PID 3852 wrote to memory of 1204	3852	24f7f5d0028c223c109010787bffcd6e862becb2578ba139454d2768df210994N.exe	84
PID 3852 wrote to memory of 1204	3852	24f7f5d0028c223c109010787bffcd6e862becb2578ba139454d2768df210994N.exe	84
PID 3852 wrote to memory of 1204	3852	24f7f5d0028c223c109010787bffcd6e862becb2578ba139454d2768df210994N.exe	84

C:\Users\Admin\AppData\Local\Temp\24f7f5d0028c223c109010787bffcd6e862becb2578ba139454d2768df210994N.exe
"C:\Users\Admin\AppData\Local\Temp\24f7f5d0028c223c109010787bffcd6e862becb2578ba139454d2768df210994N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3852
- C:\Users\Admin\AppData\Local\Temp\z4wij5W6MdcJotM.exe
  C:\Users\Admin\AppData\Local\Temp\z4wij5W6MdcJotM.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1400
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1204

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

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
392KB

MD5
a5900362e0b6dba8bc0afcc5e2814829

SHA1
c889ec5376d1cc3fed62e05c3e0fbda22bc6468e

SHA256
c975878abb68af40cfcfed65a749cb03ae69694a4391883e24a4beb64381c51e

SHA512
8292fefa8606ebf5024b82e5aaf00f1786d7cebdee0d931b50aeb43f7bbb2cefd515a67f7e7b7ab36137b31b9b946244511f3dd9fb02d0d375a7ecffea3205a4

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C:\Users\Admin\AppData\Local\Temp\z4wij5W6MdcJotM.exe

Filesize
491KB

MD5
f250955f30db36eb6de28b7326336fa9

SHA1
4e3652afb5783ba877551bf0d12f6e92f1a050fe

SHA256
119266455698984187fe1551883bf2a9b28ba7efea14ed64e51bdecdb5c87ee6

SHA512
0b55ed88a27ff107de32200e2feaa98eab8beaaf29c7ca8525b1ceeb46ec3726e38361f822383101dc0e05d525a3f8c84929e1ef0688ebf3e7733e827fde6e92

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C:\Users\Admin\AppData\Local\Temp\z4wij5W6MdcJotM.exe

Filesize
420KB

MD5
af92da1559ba157cd694666f1297185c

SHA1
fb2d05d4fe7b725417761ab702ebf23b1daf48c7

SHA256
ab3243163b68e8c28e9020066df9271e96c7c51123acc18abb00bc392f187299

SHA512
9157805f4650d539ae43aa8dc6597e8f0de548b1974f4fb4d26833d18d949a8fb817994d90b205bcee5dd356b7c3b205213103e92e3d8a9dbeff7af6d49e177f

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C:\Windows\CTS.exe

Filesize
71KB

MD5
66df4ffab62e674af2e75b163563fc0b

SHA1
dec8a197312e41eeb3cfef01cb2a443f0205cd6e

SHA256
075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163

SHA512
1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads