adc6227e09837ff7123644871f5c25063cb2aadef02303ed1512cdc57006d856

General

Target

529c30ba63e77577b451b55721bb8283.exe
Size

363KB
MD5

529c30ba63e77577b451b55721bb8283
SHA1

45a402b108db2d9169e54b7810a3403ad772fef2
SHA256

adc6227e09837ff7123644871f5c25063cb2aadef02303ed1512cdc57006d856
SHA512

22d537511e58b07f5aec13e7f3b5d2ebdc9102921c893c0758b59998c480a7ce00ab759c3cd22d84f9b0879914865dd68e61f50eb87169220f9f13ebcd883238
SSDEEP

6144:hGJnoLXIFnxWO0MUDEUyTYHfve08OHBcVvVBL0T6T0e1Q5ZqzVMD4/NLw7Gl:hLYPphUg0fvN8OhcVvV10T67uZOK4hwA

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1920	78mzCLSEUo0UlEz.exe
2240	CTS.exe

Loads dropped DLL 1 IoCs

pid	Process
2360	529c30ba63e77577b451b55721bb8283.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/memory/2360-0-0x00000000012C0000-0x00000000012D7000-memory.dmp	upx
behavioral1/files/0x000b000000014ac0-14.dat	upx
behavioral1/memory/2360-11-0x00000000012C0000-0x00000000012D7000-memory.dmp	upx
behavioral1/memory/2240-16-0x0000000000E00000-0x0000000000E17000-memory.dmp	upx
behavioral1/files/0x0009000000014826-18.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"	529c30ba63e77577b451b55721bb8283.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	529c30ba63e77577b451b55721bb8283.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2360	529c30ba63e77577b451b55721bb8283.exe
Token: SeDebugPrivilege	2240	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 2240	2360	529c30ba63e77577b451b55721bb8283.exe	29
PID 2360 wrote to memory of 2240	2360	529c30ba63e77577b451b55721bb8283.exe	29
PID 2360 wrote to memory of 2240	2360	529c30ba63e77577b451b55721bb8283.exe	29
PID 2360 wrote to memory of 2240	2360	529c30ba63e77577b451b55721bb8283.exe	29

C:\Users\Admin\AppData\Local\Temp\529c30ba63e77577b451b55721bb8283.exe
"C:\Users\Admin\AppData\Local\Temp\529c30ba63e77577b451b55721bb8283.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:2360
- C:\Users\Admin\AppData\Local\Temp\78mzCLSEUo0UlEz.exe
  C:\Users\Admin\AppData\Local\Temp\78mzCLSEUo0UlEz.exe
  2⤵
  - Executes dropped EXE
  PID:1920
- 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:2240

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\78mzCLSEUo0UlEz.exe

Filesize
363KB

MD5
81bc9ddf4108249bc20d51b6d2816a56

SHA1
c248f51d93181b48f65974464e49af5ee397da2a

SHA256
97fa94d3c9adf141f36d28147145fcab87b601596b132fe0225192b697148821

SHA512
6f44be57fe07893e241c83c847de43dc8c52cc498c0202d9f690e9454e7370d5ddeda4d245832360717b3cc66d3f69ede3633370c0ca5730fd5e145eb68d82f7

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
\Users\Admin\AppData\Local\Temp\78mzCLSEUo0UlEz.exe

Filesize
334KB

MD5
f310d4e936b68a5d76b7b808507e99f9

SHA1
6dccf493508f97212688413bec28f86befbff8e2

SHA256
58b7e175725ddf68a7a6c891889daaa3b7d4f90c14bfcff287cb3336cbd7da60

SHA512
daead56dfdd7b4a7a8fabdc6e12144273aae244aa90817d76281e5a7414e3f07ca2761f481bda91a47fc3c1c911ff1783e7421e566e3b3fc59b443de141d9e5d

Download Submit
memory/2240-16-0x0000000000E00000-0x0000000000E17000-memory.dmp

Filesize
92KB

Download
memory/2360-0-0x00000000012C0000-0x00000000012D7000-memory.dmp

Filesize
92KB

Download
memory/2360-15-0x0000000000E00000-0x0000000000E17000-memory.dmp

Filesize
92KB

Download
memory/2360-12-0x0000000000E00000-0x0000000000E17000-memory.dmp

Filesize
92KB

Download
memory/2360-11-0x00000000012C0000-0x00000000012D7000-memory.dmp

Filesize
92KB

Download
memory/2360-23-0x0000000000E00000-0x0000000000E17000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads