Analysis
-
max time kernel
140s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
27-03-2024 12:26
Behavioral task
behavioral1
Sample
e1a9f772e7f4700c0bf6488ff027433c.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
e1a9f772e7f4700c0bf6488ff027433c.exe
Resource
win10v2004-20240226-en
General
-
Target
e1a9f772e7f4700c0bf6488ff027433c.exe
-
Size
116KB
-
MD5
e1a9f772e7f4700c0bf6488ff027433c
-
SHA1
5cd03cac6334952ba5091fe4f882f0e0a62ca625
-
SHA256
12fb31b55c541639df31fb586588b8d30a6c8a0deeaa9020739c9f6598a875dd
-
SHA512
18177634bf9719fc27f8d7498979a013f7dc2d19022b7cecf1a7fcefa4a560ad7f6d40af46119c1c3d5f1094cdae395dc132de422784f54cf3625b3a2bb34899
-
SSDEEP
3072:SKcWmjRrz3N5vEGkrIwaLtqitghXhxpWOH6nJKkBLZ2:hGbw5wtqM+VCJKkBd2
Malware Config
Signatures
-
Executes dropped EXE 2 IoCs
pid Process 2300 ibWpamNChWOwDr4.exe 2148 CTS.exe -
Loads dropped DLL 1 IoCs
pid Process 2984 e1a9f772e7f4700c0bf6488ff027433c.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
resource yara_rule behavioral1/memory/2984-0-0x0000000000C50000-0x0000000000C67000-memory.dmp upx behavioral1/files/0x000a0000000144e9-12.dat upx behavioral1/memory/2984-11-0x0000000000C50000-0x0000000000C67000-memory.dmp upx behavioral1/memory/2148-15-0x0000000000C40000-0x0000000000C57000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" e1a9f772e7f4700c0bf6488ff027433c.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 e1a9f772e7f4700c0bf6488ff027433c.exe File created C:\Windows\CTS.exe CTS.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2984 e1a9f772e7f4700c0bf6488ff027433c.exe Token: SeDebugPrivilege 2148 CTS.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2984 wrote to memory of 2300 2984 e1a9f772e7f4700c0bf6488ff027433c.exe 28 PID 2984 wrote to memory of 2300 2984 e1a9f772e7f4700c0bf6488ff027433c.exe 28 PID 2984 wrote to memory of 2300 2984 e1a9f772e7f4700c0bf6488ff027433c.exe 28 PID 2984 wrote to memory of 2300 2984 e1a9f772e7f4700c0bf6488ff027433c.exe 28 PID 2984 wrote to memory of 2148 2984 e1a9f772e7f4700c0bf6488ff027433c.exe 30 PID 2984 wrote to memory of 2148 2984 e1a9f772e7f4700c0bf6488ff027433c.exe 30 PID 2984 wrote to memory of 2148 2984 e1a9f772e7f4700c0bf6488ff027433c.exe 30 PID 2984 wrote to memory of 2148 2984 e1a9f772e7f4700c0bf6488ff027433c.exe 30
Processes
-
C:\Users\Admin\AppData\Local\Temp\e1a9f772e7f4700c0bf6488ff027433c.exe"C:\Users\Admin\AppData\Local\Temp\e1a9f772e7f4700c0bf6488ff027433c.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:2984 -
C:\Users\Admin\AppData\Local\Temp\ibWpamNChWOwDr4.exeC:\Users\Admin\AppData\Local\Temp\ibWpamNChWOwDr4.exe2⤵
- Executes dropped EXE
PID:2300
-
-
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:2148
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
87KB
MD5015207664f86b0d334146d7bc7551a0f
SHA1b466beca074c3c4a500bfa00fd691cf0fe300d8c
SHA2563212cacc4d669f381ad1048e43726ec2841de32135438992c55f792bf03beafc
SHA5126ced0d294fd9c330cab20739336c6cd4c1e202d521fd41c6fd6bdfe7e720247c84ac10a7e25855d3cc9b08f2d9251798eb52383527a9363c5126a6b205ff0657
-
Filesize
29KB
MD570aa23c9229741a9b52e5ce388a883ac
SHA1b42683e21e13de3f71db26635954d992ebe7119e
SHA2569d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2
SHA512be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5
-
Filesize
64KB
MD512779b7c4d2c1c666b4350e406d7c85d
SHA11943f380de16790144e3ceafecaf6c26bcc3c74d
SHA256689c6395d5591761837c4dcd8a4d961895b328133f7f87fbc426d70e48774e05
SHA512d66729d0b0e431d683e8346f8178aa2b8f1ed711e037ae2b06e42399bcc842a22eb17c517f2e8208c8bdf2d0b1cdeff3abddb571598990cccf097dccc9be5160