6dd57913bdfe8d3ca180a1359a72fea3a18eb9e3d44551edf5d720806c1146cc

General

Target

2305d5b36076d4ba067daa4538850630.exe
Size

103KB
MD5

2305d5b36076d4ba067daa4538850630
SHA1

71ee7c19971733f397f85c24f481e5760d640d34
SHA256

6dd57913bdfe8d3ca180a1359a72fea3a18eb9e3d44551edf5d720806c1146cc
SHA512

7f211c3bd59568e8dbfd01d40a50cd74cbe67302deba04d638695fe211e754d9617d5aec59e5b2a368fd2a7212af19e5ab29c80a1499a7e917700ce49c951da6
SSDEEP

1536:s9Z3KcR4mjD9r8226+oeZeSULzq2rRfGe2/4Bsi7zbuxk5ArDSqjAiZ:sr3KcWmjRrzSo8CZNbkJi6HSqkY

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2252	V81YO5gdivC1Coq.exe
2276	CTS.exe

Loads dropped DLL 2 IoCs

pid	Process
2336	2305d5b36076d4ba067daa4538850630.exe
2336	2305d5b36076d4ba067daa4538850630.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/2336-0-0x0000000000CE0000-0x0000000000CF7000-memory.dmp	upx
behavioral1/files/0x0038000000015ca1-17.dat	upx
behavioral1/memory/2276-18-0x0000000000240000-0x0000000000257000-memory.dmp	upx
behavioral1/memory/2336-14-0x0000000000CE0000-0x0000000000CF7000-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"	2305d5b36076d4ba067daa4538850630.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	2305d5b36076d4ba067daa4538850630.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2336	2305d5b36076d4ba067daa4538850630.exe
Token: SeDebugPrivilege	2276	CTS.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 2252	2336	2305d5b36076d4ba067daa4538850630.exe	28
PID 2336 wrote to memory of 2252	2336	2305d5b36076d4ba067daa4538850630.exe	28
PID 2336 wrote to memory of 2252	2336	2305d5b36076d4ba067daa4538850630.exe	28
PID 2336 wrote to memory of 2252	2336	2305d5b36076d4ba067daa4538850630.exe	28
PID 2336 wrote to memory of 2276	2336	2305d5b36076d4ba067daa4538850630.exe	29
PID 2336 wrote to memory of 2276	2336	2305d5b36076d4ba067daa4538850630.exe	29
PID 2336 wrote to memory of 2276	2336	2305d5b36076d4ba067daa4538850630.exe	29
PID 2336 wrote to memory of 2276	2336	2305d5b36076d4ba067daa4538850630.exe	29

C:\Users\Admin\AppData\Local\Temp\2305d5b36076d4ba067daa4538850630.exe
"C:\Users\Admin\AppData\Local\Temp\2305d5b36076d4ba067daa4538850630.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:2336
- C:\Users\Admin\AppData\Local\Temp\V81YO5gdivC1Coq.exe
  C:\Users\Admin\AppData\Local\Temp\V81YO5gdivC1Coq.exe
  2⤵
  - Executes dropped EXE
  PID:2252
- 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:2276

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:\Windows\CTS.exe

Filesize
35KB

MD5
93e5f18caebd8d4a2c893e40e5f38232

SHA1
fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6

SHA256
a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8

SHA512
986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54

Download Submit
\Users\Admin\AppData\Local\Temp\V81YO5gdivC1Coq.exe

Filesize
67KB

MD5
50e9d1438f14e3e345db6b9f15473be0

SHA1
20b511d23f4df169b10d6cd022e90b3441af038a

SHA256
6852f4faa2d0ae8be06c198c40875c9ecc466c2da9f6899b6d1f80e7df80b5e9

SHA512
65dcd5c3ee197727beef8c5bfef4073d9ed93c6662827721310dcbc0ea02c8334dbe42a47a2aee1cbe35a2943d6518c93a1d77325e58ad74cb93828b6c691ea9

Download Submit
memory/2276-18-0x0000000000240000-0x0000000000257000-memory.dmp

Filesize
92KB

Download
memory/2336-0-0x0000000000CE0000-0x0000000000CF7000-memory.dmp

Filesize
92KB

Download
memory/2336-15-0x00000000000E0000-0x00000000000F7000-memory.dmp

Filesize
92KB

Download
memory/2336-14-0x0000000000CE0000-0x0000000000CF7000-memory.dmp

Filesize
92KB

Download
memory/2336-22-0x00000000000E0000-0x00000000000F7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads