722a90b4a760c916c8620ddff0988a6c22fce45043e98a169ef5b8406df6fa55

General

Target

1a19fe69cdaee8d3bd3dddc661fd8085.exe
Size

399KB
MD5

1a19fe69cdaee8d3bd3dddc661fd8085
SHA1

cf0841d52c3af43567db543b9bd18aaa0cb2dfff
SHA256

722a90b4a760c916c8620ddff0988a6c22fce45043e98a169ef5b8406df6fa55
SHA512

5f4abe91c14ecc894878331e3092b4e9b2347c58d71b888611be2259316965fb164d05cf50189b45e1f4c6bebee55f1e898e755e291a018b03b4629ef4fb6a2d
SSDEEP

12288:hpb1qAxGtKd+O0q4LWxoC8I307RxjU9hgGaXjxyty:hpppqKd+O0q4LWx38I30VxEhgFXjIs

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
304	Oa4cs06OsHC0A6Y.exe
3016	CTS.exe

Loads dropped DLL 1 IoCs

pid	Process
1740	1a19fe69cdaee8d3bd3dddc661fd8085.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/1740-0-0x0000000000BB0000-0x0000000000BC7000-memory.dmp	upx
behavioral1/files/0x000b000000014177-14.dat	upx
behavioral1/memory/3016-15-0x0000000001090000-0x00000000010A7000-memory.dmp	upx
behavioral1/memory/1740-11-0x0000000000BB0000-0x0000000000BC7000-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"	1a19fe69cdaee8d3bd3dddc661fd8085.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	1a19fe69cdaee8d3bd3dddc661fd8085.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1740	1a19fe69cdaee8d3bd3dddc661fd8085.exe
Token: SeDebugPrivilege	3016	CTS.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 304	1740	1a19fe69cdaee8d3bd3dddc661fd8085.exe	28
PID 1740 wrote to memory of 304	1740	1a19fe69cdaee8d3bd3dddc661fd8085.exe	28
PID 1740 wrote to memory of 304	1740	1a19fe69cdaee8d3bd3dddc661fd8085.exe	28
PID 1740 wrote to memory of 304	1740	1a19fe69cdaee8d3bd3dddc661fd8085.exe	28
PID 1740 wrote to memory of 3016	1740	1a19fe69cdaee8d3bd3dddc661fd8085.exe	30
PID 1740 wrote to memory of 3016	1740	1a19fe69cdaee8d3bd3dddc661fd8085.exe	30
PID 1740 wrote to memory of 3016	1740	1a19fe69cdaee8d3bd3dddc661fd8085.exe	30
PID 1740 wrote to memory of 3016	1740	1a19fe69cdaee8d3bd3dddc661fd8085.exe	30

C:\Users\Admin\AppData\Local\Temp\1a19fe69cdaee8d3bd3dddc661fd8085.exe
"C:\Users\Admin\AppData\Local\Temp\1a19fe69cdaee8d3bd3dddc661fd8085.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:1740
- C:\Users\Admin\AppData\Local\Temp\Oa4cs06OsHC0A6Y.exe
  C:\Users\Admin\AppData\Local\Temp\Oa4cs06OsHC0A6Y.exe
  2⤵
  - Executes dropped EXE
  PID:304
- 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:3016

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\Oa4cs06OsHC0A6Y.exe

Filesize
369KB

MD5
c13927f8373c24ad2cab29a2df464993

SHA1
3b6e6bdf5413bde06c053756ad5de9c3c45bd46c

SHA256
e149002ba2f0a609d923ad553c1471d4988f18c64aaa28a708b7d5bc226bcb8a

SHA512
976d0ab66784eb59c81d795e87d3064b28692fd2bf39ccdd608b6cf63aae858a1e50380a62f67ea45d0019e39c1999b0657a7638539590b0e7f684829ebd937a

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/304-19-0x0000000074680000-0x0000000074C2B000-memory.dmp

Filesize
5.7MB

Download
memory/304-28-0x0000000074680000-0x0000000074C2B000-memory.dmp

Filesize
5.7MB

Download
memory/304-29-0x0000000002290000-0x00000000022D0000-memory.dmp

Filesize
256KB

Download
memory/304-30-0x0000000074680000-0x0000000074C2B000-memory.dmp

Filesize
5.7MB

Download
memory/1740-0-0x0000000000BB0000-0x0000000000BC7000-memory.dmp

Filesize
92KB

Download
memory/1740-12-0x0000000000180000-0x0000000000197000-memory.dmp

Filesize
92KB

Download
memory/1740-11-0x0000000000BB0000-0x0000000000BC7000-memory.dmp

Filesize
92KB

Download
memory/1740-32-0x0000000000180000-0x0000000000197000-memory.dmp

Filesize
92KB

Download
memory/3016-15-0x0000000001090000-0x00000000010A7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads