940e12f33e29e1e64be04fe88314255bf6d25155942aae663f9383fabfd5523e

Analysis

max time kernel
140s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14/06/2024, 01:31

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General

Target
940e12f33e29e1e64be04fe88314255bf6d25155942aae663f9383fabfd5523e.exe
Size 71KB
Sample240614-bxec7azdqd
SHA256 940e12f33e29e1e64be04fe88314255bf6d25155942aae663f9383fabfd5523e
MD5 3eef61b0292270ec789d99d417ea3240
SHA1 d3d7401fc1ca192029ad59cee4732ad4c39845a3
SHA512 aa69d65f649a7d50f62cf3d505d5d58b861c2662b846c65b35d44abf01d93f5d7604ac02e2e6ae550b44f4564eca00912cd1fcbd3e5c694a5dcf58e895b507ad
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTI:ZhpAyazIlyazTI
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1824	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

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"	940e12f33e29e1e64be04fe88314255bf6d25155942aae663f9383fabfd5523e.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	940e12f33e29e1e64be04fe88314255bf6d25155942aae663f9383fabfd5523e.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2120	940e12f33e29e1e64be04fe88314255bf6d25155942aae663f9383fabfd5523e.exe
Token: SeDebugPrivilege	1824	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 1824	2120	940e12f33e29e1e64be04fe88314255bf6d25155942aae663f9383fabfd5523e.exe	92
PID 2120 wrote to memory of 1824	2120	940e12f33e29e1e64be04fe88314255bf6d25155942aae663f9383fabfd5523e.exe	92
PID 2120 wrote to memory of 1824	2120	940e12f33e29e1e64be04fe88314255bf6d25155942aae663f9383fabfd5523e.exe	92

C:\Users\Admin\AppData\Local\Temp\940e12f33e29e1e64be04fe88314255bf6d25155942aae663f9383fabfd5523e.exe
"C:\Users\Admin\AppData\Local\Temp\940e12f33e29e1e64be04fe88314255bf6d25155942aae663f9383fabfd5523e.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2120
- 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:1824

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1412 --field-trial-handle=2276,i,5697607538120380977,9987005253899555344,262144 --variations-seed-version /prefetch:8
1⤵
PID:4012

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

excel.exe_Rules.xml

Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
Size 789KB
SHA256 d93c122944675d547bde5ebc97e4bfcef15a6a6a9b0faf0ac191c51515879926
MD5 bd78c390c4c0da57ec3e4d9d087bbe46
SHA1 b161567c12c5f1dca8d5e3ae2590fba79acc2925
SHA512 42f24ba6c53ba47bf5d1ad5cf69995b6e53e34019740fbd17fe68664bbf367c940c3399dda584362ee1aedfcd23c757a2df13f11eebe9317c75d7d05cabf8270
SSDEEP 12288:hS0/F5id9a57vBJ2qn/HUeiXBEVEyRCn2synUGhJcYGhH6n/Oe0Vr9c6Ahz5gh1:DOiiW0TQr42lUGPcYGha6VBJO8
MD5 SHA1 SHA512 SSDEEP

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jo3GZQhPRnHff7j.exe

Path C:\Users\Admin\AppData\Local\Temp\jo3GZQhPRnHff7j.exe
Size 71KB
SHA256 8582c332fb0b08c40f38fb46489873d8a2d8509f142aa0e034319190993383bb
MD5 388bceca309eb9022ea538a946bf6434
SHA1 38e095ad258a76955b11ae97583c8c90c8a3c2a8
SHA512 87a3c6bdc999d4ae44a310893fcc109925d09a420fb25145297c8eda51bfb69fe7021252f1328bbf7f62ea65018cdf1c013eab4a4841b61dccdbbd0190660a6d
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTY:ZhpAyazIlyazTY
MD5 SHA1 SHA512 SSDEEP

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CTS.exe

Path C:\Windows\CTS.exe
Size 71KB
SHA256 075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163
MD5 66df4ffab62e674af2e75b163563fc0b
SHA1 dec8a197312e41eeb3cfef01cb2a443f0205cd6e
SHA512 1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazT:ZhpAyazIlyazT
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads