e955daf9af11a185f65aaea95b5781f128db2f31a417d1f24bf199d65918a89a

General

Target

348ff91fbcddd41293fbed58da437c75_JC.exe
Size

1.7MB
MD5

348ff91fbcddd41293fbed58da437c75
SHA1

fda561c501c9c70249c16831a3d1354b119ef13d
SHA256

e955daf9af11a185f65aaea95b5781f128db2f31a417d1f24bf199d65918a89a
SHA512

1c43a9a18cd811476f67c99a1933d8f932a1f06ff05ddedcd686ec4b0a6503f41b5900909c59095b15f82a737252dd21d831aed0e9a8030a7047d80eddc7f3d1
SSDEEP

24576:SAgxp5rPfElV5AkHPWdNOmoRYfKKgYxmNp7HtXy4ZmGE+eAAjsK6qD0wfvaX7KuZ:SA0PzExHO85cbmPxiBYWhafoHRADvN

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2208	FQ9CHlfdyYiN5Jl.exe
2216	CTS.exe

Loads dropped DLL 1 IoCs

pid	Process
1372	348ff91fbcddd41293fbed58da437c75_JC.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
behavioral1/memory/1372-0-0x0000000001030000-0x0000000001053000-memory.dmp	upx
behavioral1/files/0x000800000001210a-14.dat	upx
behavioral1/files/0x000800000001210a-13.dat	upx
behavioral1/memory/1372-11-0x0000000001030000-0x0000000001053000-memory.dmp	upx
behavioral1/files/0x000800000001210a-10.dat	upx
behavioral1/memory/2216-16-0x0000000000010000-0x0000000000033000-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"	348ff91fbcddd41293fbed58da437c75_JC.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	348ff91fbcddd41293fbed58da437c75_JC.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1372	348ff91fbcddd41293fbed58da437c75_JC.exe
Token: SeDebugPrivilege	2216	CTS.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1372 wrote to memory of 2208	1372	348ff91fbcddd41293fbed58da437c75_JC.exe	28
PID 1372 wrote to memory of 2208	1372	348ff91fbcddd41293fbed58da437c75_JC.exe	28
PID 1372 wrote to memory of 2208	1372	348ff91fbcddd41293fbed58da437c75_JC.exe	28
PID 1372 wrote to memory of 2208	1372	348ff91fbcddd41293fbed58da437c75_JC.exe	28
PID 1372 wrote to memory of 2208	1372	348ff91fbcddd41293fbed58da437c75_JC.exe	28
PID 1372 wrote to memory of 2208	1372	348ff91fbcddd41293fbed58da437c75_JC.exe	28
PID 1372 wrote to memory of 2208	1372	348ff91fbcddd41293fbed58da437c75_JC.exe	28
PID 1372 wrote to memory of 2216	1372	348ff91fbcddd41293fbed58da437c75_JC.exe	29
PID 1372 wrote to memory of 2216	1372	348ff91fbcddd41293fbed58da437c75_JC.exe	29
PID 1372 wrote to memory of 2216	1372	348ff91fbcddd41293fbed58da437c75_JC.exe	29
PID 1372 wrote to memory of 2216	1372	348ff91fbcddd41293fbed58da437c75_JC.exe	29

C:\Users\Admin\AppData\Local\Temp\348ff91fbcddd41293fbed58da437c75_JC.exe
"C:\Users\Admin\AppData\Local\Temp\348ff91fbcddd41293fbed58da437c75_JC.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:1372
- C:\Users\Admin\AppData\Local\Temp\FQ9CHlfdyYiN5Jl.exe
  C:\Users\Admin\AppData\Local\Temp\FQ9CHlfdyYiN5Jl.exe
  2⤵
  - Executes dropped EXE
  PID:2208
- 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:2216

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\CabD7FA.tmp

Filesize
61KB

MD5
f3441b8572aae8801c04f3060b550443

SHA1
4ef0a35436125d6821831ef36c28ffaf196cda15

SHA256
6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

SHA512
5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\FQ9CHlfdyYiN5Jl.exe

Filesize
1.6MB

MD5
2745642eda04d53a0852fa5298b98757

SHA1
a3a3a7733e17b55ffd49731d6ff2117735306fc6

SHA256
9c297428adf7b529917fdc8f71f3d48f466a0f768a231bd53374388eebda2d05

SHA512
4bbbc2d9585bf16751dc9046d5e074c2ff4aa83b085608088ab777d9fceaa5e74af45fa112a16b71960da9e221eeecebb817b43e19cb6c67da137cb18a26159d

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarD82C.tmp

Filesize
163KB

MD5
9441737383d21192400eca82fda910ec

SHA1
725e0d606a4fc9ba44aa8ffde65bed15e65367e4

SHA256
bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

SHA512
7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

Download Submit
C:\Windows\CTS.exe

Filesize
108KB

MD5
71f9b6b87415ee698a51d722307170d9

SHA1
a137840387d9d803c710084a325dd7b569ceba39

SHA256
be0cc46a63290f5dc82ffff40379c92a26427e8471f96572f7c94d7b762d7e03

SHA512
37ff7e8c33554bb833eb8f400e54a15ddf43b22340c6a6c4191631487aa22a2cd048ee21e0084d73d54d169bfed6b3d5a32140375ad4044acb6981b6f6b8fcc3

Download Submit
C:\Windows\CTS.exe

Filesize
108KB

MD5
71f9b6b87415ee698a51d722307170d9

SHA1
a137840387d9d803c710084a325dd7b569ceba39

SHA256
be0cc46a63290f5dc82ffff40379c92a26427e8471f96572f7c94d7b762d7e03

SHA512
37ff7e8c33554bb833eb8f400e54a15ddf43b22340c6a6c4191631487aa22a2cd048ee21e0084d73d54d169bfed6b3d5a32140375ad4044acb6981b6f6b8fcc3

Download Submit
C:\Windows\CTS.exe

Filesize
108KB

MD5
71f9b6b87415ee698a51d722307170d9

SHA1
a137840387d9d803c710084a325dd7b569ceba39

SHA256
be0cc46a63290f5dc82ffff40379c92a26427e8471f96572f7c94d7b762d7e03

SHA512
37ff7e8c33554bb833eb8f400e54a15ddf43b22340c6a6c4191631487aa22a2cd048ee21e0084d73d54d169bfed6b3d5a32140375ad4044acb6981b6f6b8fcc3

Download Submit
\Users\Admin\AppData\Local\Temp\FQ9CHlfdyYiN5Jl.exe

Filesize
1.6MB

MD5
2745642eda04d53a0852fa5298b98757

SHA1
a3a3a7733e17b55ffd49731d6ff2117735306fc6

SHA256
9c297428adf7b529917fdc8f71f3d48f466a0f768a231bd53374388eebda2d05

SHA512
4bbbc2d9585bf16751dc9046d5e074c2ff4aa83b085608088ab777d9fceaa5e74af45fa112a16b71960da9e221eeecebb817b43e19cb6c67da137cb18a26159d

Download Submit
memory/1372-12-0x00000000000E0000-0x0000000000103000-memory.dmp

Filesize
140KB

Download
memory/1372-11-0x0000000001030000-0x0000000001053000-memory.dmp

Filesize
140KB

Download
memory/1372-18-0x00000000000E0000-0x0000000000103000-memory.dmp

Filesize
140KB

Download
memory/1372-0-0x0000000001030000-0x0000000001053000-memory.dmp

Filesize
140KB

Download
memory/1372-15-0x00000000000E0000-0x0000000000103000-memory.dmp

Filesize
140KB

Download
memory/2216-16-0x0000000000010000-0x0000000000033000-memory.dmp

Filesize
140KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads