97baf60d4a7a53d0eefd438405a01856036abe9312e06de8bcdd50b4ab275b5e

General

Target

2ccbdb7e5ee99f42139c7d03e84d657a.exe
Size

365KB
MD5

2ccbdb7e5ee99f42139c7d03e84d657a
SHA1

debae0802f3c4d36602030a81fa5080da6a511bc
SHA256

97baf60d4a7a53d0eefd438405a01856036abe9312e06de8bcdd50b4ab275b5e
SHA512

c8cf3e9fb8fbe2b691e912f11b35fa001c148ddd1c4101b5af1104ced9fa9c39b39ff3cbc7afdb14fde0303bbadebedb615af4cb75b9335a4dc3dfd8774838cd
SSDEEP

6144:hGyGjUW3C45YFxjTG0DJ4IeuNQWTbpMn4Qh0PlyGRWnxBhQDj6A9q5yb82Yf:h3a5UMITNiHiljUThebqw82Q

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
920	96ayXxEhpcYNulm.exe
1956	CTS.exe
4736	setup-stub.exe

Loads dropped DLL 8 IoCs

pid	Process
4736	setup-stub.exe
4736	setup-stub.exe
4736	setup-stub.exe
4736	setup-stub.exe
4736	setup-stub.exe
4736	setup-stub.exe
4736	setup-stub.exe
4736	setup-stub.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 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3576-0-0x0000000000950000-0x0000000000967000-memory.dmp	upx
behavioral2/memory/3576-11-0x0000000000950000-0x0000000000967000-memory.dmp	upx
behavioral2/memory/1956-9-0x0000000000480000-0x0000000000497000-memory.dmp	upx
behavioral2/memory/920-7-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral2/memory/1956-104-0x0000000000480000-0x0000000000497000-memory.dmp	upx
behavioral2/memory/920-103-0x0000000000400000-0x0000000000443000-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"	2ccbdb7e5ee99f42139c7d03e84d657a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Drops file in Program Files directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Mozilla Firefox\nsb3E91.tmp\	setup-stub.exe
File opened for modification	C:\Program Files\Mozilla Firefox\nsr3EA3.tmp	setup-stub.exe
File opened for modification	C:\Program Files\Mozilla Firefox\nsr3EA4.tmp	setup-stub.exe
File opened for modification	C:\Program Files\Mozilla Firefox\nsr3EA3.tmp\	setup-stub.exe
File opened for modification	C:\Program Files\Mozilla Firefox\nsb3E91.tmp	setup-stub.exe
File opened for modification	C:\Program Files\Mozilla Firefox\nsb3E92.tmp	setup-stub.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	2ccbdb7e5ee99f42139c7d03e84d657a.exe
File created	C:\Windows\CTS.exe	CTS.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3576	2ccbdb7e5ee99f42139c7d03e84d657a.exe
Token: SeDebugPrivilege	1956	CTS.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3576 wrote to memory of 920	3576	2ccbdb7e5ee99f42139c7d03e84d657a.exe	22
PID 3576 wrote to memory of 920	3576	2ccbdb7e5ee99f42139c7d03e84d657a.exe	22
PID 3576 wrote to memory of 920	3576	2ccbdb7e5ee99f42139c7d03e84d657a.exe	22
PID 3576 wrote to memory of 1956	3576	2ccbdb7e5ee99f42139c7d03e84d657a.exe	21
PID 3576 wrote to memory of 1956	3576	2ccbdb7e5ee99f42139c7d03e84d657a.exe	21
PID 3576 wrote to memory of 1956	3576	2ccbdb7e5ee99f42139c7d03e84d657a.exe	21
PID 920 wrote to memory of 4736	920	96ayXxEhpcYNulm.exe	19
PID 920 wrote to memory of 4736	920	96ayXxEhpcYNulm.exe	19
PID 920 wrote to memory of 4736	920	96ayXxEhpcYNulm.exe	19

C:\Users\Admin\AppData\Local\Temp\2ccbdb7e5ee99f42139c7d03e84d657a.exe
"C:\Users\Admin\AppData\Local\Temp\2ccbdb7e5ee99f42139c7d03e84d657a.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3576
- 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:1956
- C:\Users\Admin\AppData\Local\Temp\96ayXxEhpcYNulm.exe
  C:\Users\Admin\AppData\Local\Temp\96ayXxEhpcYNulm.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:920

C:\Users\Admin\AppData\Local\Temp\7zS893C6137\setup-stub.exe
.\setup-stub.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
PID:4736

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/920-7-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/920-103-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1956-9-0x0000000000480000-0x0000000000497000-memory.dmp

Filesize
92KB

Download
memory/1956-104-0x0000000000480000-0x0000000000497000-memory.dmp

Filesize
92KB

Download
memory/3576-0-0x0000000000950000-0x0000000000967000-memory.dmp

Filesize
92KB

Download
memory/3576-11-0x0000000000950000-0x0000000000967000-memory.dmp

Filesize
92KB

Download
memory/4736-89-0x0000000003030000-0x000000000303B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads