6ef1fe6922c9445f822d0ebe173084c2dbf4880e563aefec59eba2bbff24057c

General

Target

cd5d554f07ef18b9434ed76f86d3a4bf.exe
Size

458KB
MD5

cd5d554f07ef18b9434ed76f86d3a4bf
SHA1

65e02d78abc0e03a9697bce22df126bba27d7648
SHA256

6ef1fe6922c9445f822d0ebe173084c2dbf4880e563aefec59eba2bbff24057c
SHA512

1609effdd8a2df02c5ae1208169e6e3ce70fcc07a09f92f933de23299c136f71b2b93245a530530c4fb6739db745a4c12f497db4b3d00c19aa3d54266802b5a2
SSDEEP

12288:/CaTv5FqXwKswrFX0GopbPj20cexPpxRaP:/CaL2XRjhlopb/cgP2

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2424	3Zq1uxOOPRzs8R9.exe
2684	CTS.exe

Loads dropped DLL 1 IoCs

pid	Process
2012	cd5d554f07ef18b9434ed76f86d3a4bf.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 5 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000c000000012695-13.dat	upx
behavioral1/memory/2684-16-0x0000000000B10000-0x0000000000B27000-memory.dmp	upx
behavioral1/memory/2012-11-0x0000000000FF0000-0x0000000001007000-memory.dmp	upx
behavioral1/files/0x000c000000012695-10.dat	upx
behavioral1/memory/2012-0-0x0000000000FF0000-0x0000000001007000-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"	CTS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	cd5d554f07ef18b9434ed76f86d3a4bf.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	cd5d554f07ef18b9434ed76f86d3a4bf.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2012	cd5d554f07ef18b9434ed76f86d3a4bf.exe
Token: SeDebugPrivilege	2684	CTS.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 2424	2012	cd5d554f07ef18b9434ed76f86d3a4bf.exe	15
PID 2012 wrote to memory of 2424	2012	cd5d554f07ef18b9434ed76f86d3a4bf.exe	15
PID 2012 wrote to memory of 2424	2012	cd5d554f07ef18b9434ed76f86d3a4bf.exe	15
PID 2012 wrote to memory of 2424	2012	cd5d554f07ef18b9434ed76f86d3a4bf.exe	15
PID 2012 wrote to memory of 2684	2012	cd5d554f07ef18b9434ed76f86d3a4bf.exe	14
PID 2012 wrote to memory of 2684	2012	cd5d554f07ef18b9434ed76f86d3a4bf.exe	14
PID 2012 wrote to memory of 2684	2012	cd5d554f07ef18b9434ed76f86d3a4bf.exe	14
PID 2012 wrote to memory of 2684	2012	cd5d554f07ef18b9434ed76f86d3a4bf.exe	14

C:\Windows\CTS.exe
"C:\Windows\CTS.exe"
1⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2684

C:\Users\Admin\AppData\Local\Temp\3Zq1uxOOPRzs8R9.exe
C:\Users\Admin\AppData\Local\Temp\3Zq1uxOOPRzs8R9.exe
1⤵
- Executes dropped EXE
PID:2424

C:\Users\Admin\AppData\Local\Temp\cd5d554f07ef18b9434ed76f86d3a4bf.exe
"C:\Users\Admin\AppData\Local\Temp\cd5d554f07ef18b9434ed76f86d3a4bf.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:2012

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\3Zq1uxOOPRzs8R9.exe

Filesize
92KB

MD5
54eef5dda6400725cd2a9b8bdd632278

SHA1
fd21182c475fdd0cfe4dc43111836ef408beb03b

SHA256
c43a470a3e1a84f748505e17939aae3c692ce16a089341d60e1c3c775ed2766e

SHA512
24ec84957f785c0dd99a86ae656d7b4b2469486a8f49c0998a2c04a0337264bdb25ab6ecb15862fcdf640fa1dc7ee3c78c066468fbe27990e131067a2ed8b8fb

Download Submit
C:\Windows\CTS.exe

Filesize
71KB

MD5
57dc894376d6ffbf9af1929bd6688b6c

SHA1
cf5f1891e39142f13d3f007e2957a0d302efafff

SHA256
25001e3946468d3aa0f86f1ae322fb8354fc1c96052227346c41fb12d63fa129

SHA512
922c081df01cdcaef8cf91a484bdfe1c412a5e716aada86b3f3f61e020173cc9bd8318c072eff7f59140687fdaf3a722d62fc4c56891f906797a909da311dab1

Download Submit
\Users\Admin\AppData\Local\Temp\3Zq1uxOOPRzs8R9.exe

Filesize
386KB

MD5
447364e59e5ab164fe9e2c329b950dbe

SHA1
e81fd3f1f1d4fd80cb31b570bc5ddce0226003de

SHA256
c03382ed7243a1c913401c533dc15e7e01d75c773ea5355c69353c582d836fbc

SHA512
7f37ff7033e126eb76907e8c70c8b89d97f93b6624a4430b4c1ee8d0a45b0e1af9cd898c1a4a36891ec2fe9045cc2efb0d9f0e9dadb8e7273480073c01a66296

Download Submit
memory/2012-15-0x0000000000070000-0x0000000000087000-memory.dmp

Filesize
92KB

Download
memory/2012-12-0x0000000000070000-0x0000000000087000-memory.dmp

Filesize
92KB

Download
memory/2012-11-0x0000000000FF0000-0x0000000001007000-memory.dmp

Filesize
92KB

Download
memory/2012-0-0x0000000000FF0000-0x0000000001007000-memory.dmp

Filesize
92KB

Download
memory/2012-22-0x0000000000070000-0x0000000000087000-memory.dmp

Filesize
92KB

Download
memory/2684-16-0x0000000000B10000-0x0000000000B27000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads