c10bc7e2804fab288c8b50034bdf46167e29141bf2b4c29d9114b3b7bb9c6704

General

Target

c10bc7e2804fab288c8b50034bdf46167e29141bf2b4c29d9114b3b7bb9c6704.exe
Size

27KB
MD5

0293ea32ef072af2e3b0c45d5c5b431c
SHA1

84c46aa78572dfd266f010ad3f5adf660c6e93a4
SHA256

c10bc7e2804fab288c8b50034bdf46167e29141bf2b4c29d9114b3b7bb9c6704
SHA512

1e35b1c5472d5c378137706eeda7c10b85123d047ad7cd6817c758146b3d5d61f2262bff4c2023b16ccf879e7946e254aa36fa70b6573c7ac78c30408d6d2fd7
SSDEEP

768:X9J/3FzjgfanEGx8V36unjv88tznuRU65Y4gpph1ePVCM6:N5VzcfA/6LrVpL74gfh16n6

Score

9^/10

Malware Config

Signatures

UPX dump on OEP (original entry point) 7 IoCs

resource	yara_rule
behavioral2/memory/4468-0-0x0000000000A00000-0x0000000000A18000-memory.dmp	UPX
behavioral2/memory/4468-7-0x0000000000A00000-0x0000000000A18000-memory.dmp	UPX
behavioral2/files/0x000800000002342e-5.dat	UPX
behavioral2/memory/4504-8-0x0000000000310000-0x0000000000328000-memory.dmp	UPX
behavioral2/files/0x0003000000022958-12.dat	UPX
behavioral2/files/0x000700000002327c-30.dat	UPX
behavioral2/memory/4504-33-0x0000000000310000-0x0000000000328000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
4504	CTS.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 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4468-0-0x0000000000A00000-0x0000000000A18000-memory.dmp	upx
behavioral2/memory/4468-7-0x0000000000A00000-0x0000000000A18000-memory.dmp	upx
behavioral2/files/0x000800000002342e-5.dat	upx
behavioral2/memory/4504-8-0x0000000000310000-0x0000000000328000-memory.dmp	upx
behavioral2/files/0x0003000000022958-12.dat	upx
behavioral2/files/0x000700000002327c-30.dat	upx
behavioral2/memory/4504-33-0x0000000000310000-0x0000000000328000-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"	c10bc7e2804fab288c8b50034bdf46167e29141bf2b4c29d9114b3b7bb9c6704.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	c10bc7e2804fab288c8b50034bdf46167e29141bf2b4c29d9114b3b7bb9c6704.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4468	c10bc7e2804fab288c8b50034bdf46167e29141bf2b4c29d9114b3b7bb9c6704.exe
Token: SeDebugPrivilege	4504	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4468 wrote to memory of 4504	4468	c10bc7e2804fab288c8b50034bdf46167e29141bf2b4c29d9114b3b7bb9c6704.exe	81
PID 4468 wrote to memory of 4504	4468	c10bc7e2804fab288c8b50034bdf46167e29141bf2b4c29d9114b3b7bb9c6704.exe	81
PID 4468 wrote to memory of 4504	4468	c10bc7e2804fab288c8b50034bdf46167e29141bf2b4c29d9114b3b7bb9c6704.exe	81

C:\Users\Admin\AppData\Local\Temp\c10bc7e2804fab288c8b50034bdf46167e29141bf2b4c29d9114b3b7bb9c6704.exe
"C:\Users\Admin\AppData\Local\Temp\c10bc7e2804fab288c8b50034bdf46167e29141bf2b4c29d9114b3b7bb9c6704.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4468
- 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:4504

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\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
745KB

MD5
b7004bb4b8149386cf9546dd17b918a4

SHA1
3e80ff4e1a0d83460d9fe23054a6f9315dbea66f

SHA256
d85f8dd94c180dcbbfeed19512d15fcf355077a3c16509e15d9c30cd52164309

SHA512
a56b5d50f2bd3952a6d348f9647883dd1870a4896a4a0d8442ed806f8b5733cc8e5e7cabcd4a870859e40922486112bc75eb129338ff51f01181ec66485af426

Download Submit
C:\Users\Admin\AppData\Local\Temp\GiwWsJ9SeNzkG4F.exe

Filesize
27KB

MD5
2bea6da73884b76474d0923c75f1b75d

SHA1
4b1f83cc731151fce6092d2cacdaf8a77e26528b

SHA256
8c8dd9e3ae287aabdf2918c8f857b8ba71dd6a1f62fc5dc78e4b5a47446d4996

SHA512
859afeec91883d7bb226c761489152a166c3b98aabe01a0db64ae492f7a9f3bcdf28b22ea1283f8c1b882acff5d2c861db5dc535adb575e26e6d46398526c26e

Download Submit
C:\Windows\CTS.exe

Filesize
27KB

MD5
a6749b968461644db5cc0ecceffb224a

SHA1
2795aa37b8586986a34437081351cdd791749a90

SHA256
720023737d7ff700818f55612ba069a609a5ddea646bb3509b615ee3523a4ca2

SHA512
2a276816290746ed914af9cf6427aef31ce9395b8e9937090e329a8f74fb84c62d15b196e13346caa086842b3f5f549b9eb20cbf422d18c9c1b63e6342ea90b4

Download Submit
memory/4468-0-0x0000000000A00000-0x0000000000A18000-memory.dmp

Filesize
96KB

Download
memory/4468-7-0x0000000000A00000-0x0000000000A18000-memory.dmp

Filesize
96KB

Download
memory/4504-8-0x0000000000310000-0x0000000000328000-memory.dmp

Filesize
96KB

Download
memory/4504-33-0x0000000000310000-0x0000000000328000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads