10c52f232c3db948bea12261c879511cb5e2d2272efd7f59a4b92045af057338

General

Target

1643ebd926acbce0d95e855ea7aa587e.exe
Size

105KB
MD5

1643ebd926acbce0d95e855ea7aa587e
SHA1

ed68943284f29ce76b3db65bec88f248801a0888
SHA256

10c52f232c3db948bea12261c879511cb5e2d2272efd7f59a4b92045af057338
SHA512

b18d5c2fe1fe36d8b02c49cba913232c32b1a1654b9dc167202dbbf524df8355f97ee9bfe04a168f2a261a9c5f4796e26c8ad12a9ebaeb8e846dccc5ee13748c
SSDEEP

3072:SKcWmjRrz3nUm7/2k2QdTztfSFMXCpGbMet76zsMSYTpr/GzA:hGnUm7d2QdTztKVpQt76wF4wA

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2644	YaU5FYTI7V9B92F.exe
3012	CTS.exe

Loads dropped DLL 1 IoCs

pid	Process
2916	1643ebd926acbce0d95e855ea7aa587e.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 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3012-15-0x0000000000F70000-0x0000000000F87000-memory.dmp	upx
behavioral1/files/0x000a0000000133c4-13.dat	upx
behavioral1/memory/2916-11-0x0000000001100000-0x0000000001117000-memory.dmp	upx
behavioral1/memory/2916-1-0x0000000001100000-0x0000000001117000-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"	1643ebd926acbce0d95e855ea7aa587e.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	1643ebd926acbce0d95e855ea7aa587e.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2916	1643ebd926acbce0d95e855ea7aa587e.exe
Token: SeDebugPrivilege	3012	CTS.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2916 wrote to memory of 2644	2916	1643ebd926acbce0d95e855ea7aa587e.exe	18
PID 2916 wrote to memory of 2644	2916	1643ebd926acbce0d95e855ea7aa587e.exe	18
PID 2916 wrote to memory of 2644	2916	1643ebd926acbce0d95e855ea7aa587e.exe	18
PID 2916 wrote to memory of 2644	2916	1643ebd926acbce0d95e855ea7aa587e.exe	18
PID 2916 wrote to memory of 3012	2916	1643ebd926acbce0d95e855ea7aa587e.exe	16
PID 2916 wrote to memory of 3012	2916	1643ebd926acbce0d95e855ea7aa587e.exe	16
PID 2916 wrote to memory of 3012	2916	1643ebd926acbce0d95e855ea7aa587e.exe	16
PID 2916 wrote to memory of 3012	2916	1643ebd926acbce0d95e855ea7aa587e.exe	16

C:\Users\Admin\AppData\Local\Temp\1643ebd926acbce0d95e855ea7aa587e.exe
"C:\Users\Admin\AppData\Local\Temp\1643ebd926acbce0d95e855ea7aa587e.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:2916
- 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:3012
- C:\Users\Admin\AppData\Local\Temp\YaU5FYTI7V9B92F.exe
  C:\Users\Admin\AppData\Local\Temp\YaU5FYTI7V9B92F.exe
  2⤵
  - Executes dropped EXE
  PID:2644

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\YaU5FYTI7V9B92F.exe

Filesize
75KB

MD5
4289995bae5da5f7da6524fb33e4d630

SHA1
5886580b8202b5dec5c32da8fbf7dd2b501e7421

SHA256
a91f01f2ae1104ce8f69851a6f46e1ae807fbad16dec703dc7eba671d5bbe1a7

SHA512
7811593fae757af8c7bdd2592f6ef1ad50a7729b4bc8ec6e8678921f4af1b0e441502f3253252dff6ae033e2601ded1062c37d48017201033589c63cedf2579d

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/2916-14-0x0000000000F70000-0x0000000000F87000-memory.dmp

Filesize
92KB

Download
memory/2916-11-0x0000000001100000-0x0000000001117000-memory.dmp

Filesize
92KB

Download
memory/2916-1-0x0000000001100000-0x0000000001117000-memory.dmp

Filesize
92KB

Download
memory/2916-19-0x0000000000F70000-0x0000000000F87000-memory.dmp

Filesize
92KB

Download
memory/3012-15-0x0000000000F70000-0x0000000000F87000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads