2928aa4a15a20c7394959368f54b89e75836738cadfda787974038b927839682

General

Target

f17d2d16892b94853633eee33ac915ad_JC.exe
Size

103KB
MD5

f17d2d16892b94853633eee33ac915ad
SHA1

e603e81ff62caf586843e696ce6ef58bd08bcf59
SHA256

2928aa4a15a20c7394959368f54b89e75836738cadfda787974038b927839682
SHA512

558565c65f9c33b435d1d7963c64ba0b79856fb0da001a7781196306c7426283fd0fb8811bb0e7cc22f1620475ede3869eae8a110187777877bccabc223696aa
SSDEEP

3072:/KcWmjRrz3PomBLQ9ewLdCM9TnX7Gm/RHxZ:MGPomNQ9hdCaCm/NxZ

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2300	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
behavioral1/memory/1096-0-0x0000000000AA0000-0x0000000000AC2000-memory.dmp	upx
behavioral1/memory/1096-8-0x0000000000AA0000-0x0000000000AC2000-memory.dmp	upx
behavioral1/files/0x0034000000014689-7.dat	upx
behavioral1/memory/2300-12-0x0000000000E00000-0x0000000000E22000-memory.dmp	upx
behavioral1/files/0x0034000000014689-11.dat	upx
behavioral1/files/0x0034000000014689-10.dat	upx
behavioral1/files/0x000d00000001428b-15.dat	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"	f17d2d16892b94853633eee33ac915ad_JC.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	f17d2d16892b94853633eee33ac915ad_JC.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1096	f17d2d16892b94853633eee33ac915ad_JC.exe
Token: SeDebugPrivilege	2300	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1096 wrote to memory of 2300	1096	f17d2d16892b94853633eee33ac915ad_JC.exe	28
PID 1096 wrote to memory of 2300	1096	f17d2d16892b94853633eee33ac915ad_JC.exe	28
PID 1096 wrote to memory of 2300	1096	f17d2d16892b94853633eee33ac915ad_JC.exe	28
PID 1096 wrote to memory of 2300	1096	f17d2d16892b94853633eee33ac915ad_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\f17d2d16892b94853633eee33ac915ad_JC.exe
"C:\Users\Admin\AppData\Local\Temp\f17d2d16892b94853633eee33ac915ad_JC.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1096
- 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:2300

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\jay7ZcTn0sBOumE.exe

Filesize
103KB

MD5
6d62006cffd1330e9998d844367668c5

SHA1
32ea8a17d46522dfac875fa8c5d4bcea376549a3

SHA256
4c189ef68697f9fd9c8b7c92fcfb1cb9b96422360c4064561c58c14ff61a6ae9

SHA512
1b256e2bdbc71603a5000bc54c80c3924c0ba94c677b1f2e53d08648c473eb79bcc576f17e623ecd90c4aff050551ff5826dc12c733c2e5e47d6b4f8e051a160

Download Submit
C:\Windows\CTS.exe

Filesize
102KB

MD5
75df8f512d4efb941d86e756ea7a9385

SHA1
364cb6fa829298e8ce79de9ff88060b8ec8ac53d

SHA256
82b8cbe58906c601d8ed70162ad9db68a294376408af5b842315d45a99fa3a5f

SHA512
0c928df114622f3afbcf9bf705f17f91d030399d1ade0705116f795c73678649aa6df92c8d19b8a61224e54ec934a3eec03b48912f7da52baea2734bc96b2973

Download Submit
C:\Windows\CTS.exe

Filesize
102KB

MD5
75df8f512d4efb941d86e756ea7a9385

SHA1
364cb6fa829298e8ce79de9ff88060b8ec8ac53d

SHA256
82b8cbe58906c601d8ed70162ad9db68a294376408af5b842315d45a99fa3a5f

SHA512
0c928df114622f3afbcf9bf705f17f91d030399d1ade0705116f795c73678649aa6df92c8d19b8a61224e54ec934a3eec03b48912f7da52baea2734bc96b2973

Download Submit
C:\Windows\CTS.exe

Filesize
102KB

MD5
75df8f512d4efb941d86e756ea7a9385

SHA1
364cb6fa829298e8ce79de9ff88060b8ec8ac53d

SHA256
82b8cbe58906c601d8ed70162ad9db68a294376408af5b842315d45a99fa3a5f

SHA512
0c928df114622f3afbcf9bf705f17f91d030399d1ade0705116f795c73678649aa6df92c8d19b8a61224e54ec934a3eec03b48912f7da52baea2734bc96b2973

Download Submit
memory/1096-0-0x0000000000AA0000-0x0000000000AC2000-memory.dmp

Filesize
136KB

Download
memory/1096-8-0x0000000000AA0000-0x0000000000AC2000-memory.dmp

Filesize
136KB

Download
memory/1096-9-0x0000000000120000-0x0000000000142000-memory.dmp

Filesize
136KB

Download
memory/2300-12-0x0000000000E00000-0x0000000000E22000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads