cff686161e0ebe726e374563c3ae4e41c8cda748e64470fc49376bcf4987e822

General

Target

cff686161e0ebe726e374563c3ae4e41c8cda748e64470fc49376bcf4987e822.exe
Size

331KB
MD5

215e9a0404b0b3ec2c0df890b6c4f0ed
SHA1

e32a5562b983774b8e8c2075d2ef9669ffd01b7b
SHA256

cff686161e0ebe726e374563c3ae4e41c8cda748e64470fc49376bcf4987e822
SHA512

64e8604204fe5695abd90a2ca1f08bbe97f3a147964ec9dc6482994dc63e49d30189d31af3b139c1b6d605c6c1a76b9d93c59aa3e73ec3018e85d15186152358
SSDEEP

6144:InNn4XRy93FwkrStCYHVJ4oi+GUOYIZDATPKDR4kZO8OtcykycZ:InN4XRyFFw4wJ5i7AjKmkDypcZ

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4288	epqnb.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	cff686161e0ebe726e374563c3ae4e41c8cda748e64470fc49376bcf4987e822.exe

Loads dropped DLL 1 IoCs

pid	Process
4288	epqnb.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce	cff686161e0ebe726e374563c3ae4e41c8cda748e64470fc49376bcf4987e822.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
1176	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2976	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4288	epqnb.exe
4288	epqnb.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4288	epqnb.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1176	taskkill.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4288	epqnb.exe
4288	epqnb.exe
4288	epqnb.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
4288	epqnb.exe
4288	epqnb.exe
4288	epqnb.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4064 wrote to memory of 4648	4064	cff686161e0ebe726e374563c3ae4e41c8cda748e64470fc49376bcf4987e822.exe	91
PID 4064 wrote to memory of 4648	4064	cff686161e0ebe726e374563c3ae4e41c8cda748e64470fc49376bcf4987e822.exe	91
PID 4064 wrote to memory of 4648	4064	cff686161e0ebe726e374563c3ae4e41c8cda748e64470fc49376bcf4987e822.exe	91
PID 4648 wrote to memory of 1176	4648	cmd.exe	93
PID 4648 wrote to memory of 1176	4648	cmd.exe	93
PID 4648 wrote to memory of 1176	4648	cmd.exe	93
PID 4648 wrote to memory of 2976	4648	cmd.exe	94
PID 4648 wrote to memory of 2976	4648	cmd.exe	94
PID 4648 wrote to memory of 2976	4648	cmd.exe	94
PID 4648 wrote to memory of 4288	4648	cmd.exe	95
PID 4648 wrote to memory of 4288	4648	cmd.exe	95
PID 4648 wrote to memory of 4288	4648	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\cff686161e0ebe726e374563c3ae4e41c8cda748e64470fc49376bcf4987e822.exe
"C:\Users\Admin\AppData\Local\Temp\cff686161e0ebe726e374563c3ae4e41c8cda748e64470fc49376bcf4987e822.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4064
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 4064 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\cff686161e0ebe726e374563c3ae4e41c8cda748e64470fc49376bcf4987e822.exe" & start C:\Users\Admin\AppData\Local\epqnb.exe -f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4648
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 4064
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1176
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - Runs ping.exe
    PID:2976
- - C:\Users\Admin\AppData\Local\epqnb.exe
    C:\Users\Admin\AppData\Local\epqnb.exe -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:4288

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\epqnb.exe

Filesize
331KB

MD5
215e9a0404b0b3ec2c0df890b6c4f0ed

SHA1
e32a5562b983774b8e8c2075d2ef9669ffd01b7b

SHA256
cff686161e0ebe726e374563c3ae4e41c8cda748e64470fc49376bcf4987e822

SHA512
64e8604204fe5695abd90a2ca1f08bbe97f3a147964ec9dc6482994dc63e49d30189d31af3b139c1b6d605c6c1a76b9d93c59aa3e73ec3018e85d15186152358

Download Submit
C:\Users\Admin\AppData\Local\epqnb.exe

Filesize
331KB

MD5
215e9a0404b0b3ec2c0df890b6c4f0ed

SHA1
e32a5562b983774b8e8c2075d2ef9669ffd01b7b

SHA256
cff686161e0ebe726e374563c3ae4e41c8cda748e64470fc49376bcf4987e822

SHA512
64e8604204fe5695abd90a2ca1f08bbe97f3a147964ec9dc6482994dc63e49d30189d31af3b139c1b6d605c6c1a76b9d93c59aa3e73ec3018e85d15186152358

Download Submit
C:\Users\Admin\AppData\Local\epqnb.exe

Filesize
331KB

MD5
215e9a0404b0b3ec2c0df890b6c4f0ed

SHA1
e32a5562b983774b8e8c2075d2ef9669ffd01b7b

SHA256
cff686161e0ebe726e374563c3ae4e41c8cda748e64470fc49376bcf4987e822

SHA512
64e8604204fe5695abd90a2ca1f08bbe97f3a147964ec9dc6482994dc63e49d30189d31af3b139c1b6d605c6c1a76b9d93c59aa3e73ec3018e85d15186152358

Download Submit
memory/4064-132-0x0000000000400000-0x00000000004FD000-memory.dmp

Filesize
1012KB

Download
memory/4064-133-0x0000000000400000-0x00000000004FD000-memory.dmp

Filesize
1012KB

Download
memory/4064-135-0x0000000000400000-0x00000000004FD000-memory.dmp

Filesize
1012KB

Download
memory/4288-143-0x0000000000400000-0x00000000004FD000-memory.dmp

Filesize
1012KB

Download
memory/4288-144-0x0000000000400000-0x00000000004FD000-memory.dmp

Filesize
1012KB

Download

Analysis

Sharing