2eb19b201206975fbd8732295fd10e12720a0152bd28e44d945605f29667a382

General

Target

2eb19b201206975fbd8732295fd10e12720a0152bd28e44d945605f29667a382.exe
Size

209KB
MD5

8f4817939322e8ede46d87913fae3fa3
SHA1

a68a68bb6281972c6392af9540d40b02c3b1c62f
SHA256

2eb19b201206975fbd8732295fd10e12720a0152bd28e44d945605f29667a382
SHA512

14012dac48562644cdb86f1bd44ee4c8de59524b5fe90f1c13fc3146a7d2a9d6e25563ca5859929b8db3da03bce15a174e711e11eae41f1d68096705bfd5473f
SSDEEP

6144:uVtV0QPQCnSQsTEWYChnUnPJuHC3vcWY:ubVQk1wnGACvc

Score

9^/10

Malware Config

Signatures

Detects executables containing base64 encoded User Agent 2 IoCs

resource	yara_rule
behavioral1/memory/3044-24-0x0000000010000000-0x0000000010054000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/3044-26-0x0000000010000000-0x0000000010054000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

Deletes itself 1 IoCs

pid	Process
2236	ybwry.exe

Executes dropped EXE 2 IoCs

pid	Process
2236	ybwry.exe
3044	vun.exe

Loads dropped DLL 7 IoCs

pid	Process
2732	cmd.exe
2732	cmd.exe
2236	ybwry.exe
3044	vun.exe
3044	vun.exe
3044	vun.exe
3044	vun.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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\Vicity = "c:\\Program Files\\ufwyrqe\\vun.exe \"c:\\Program Files\\ufwyrqe\\vunah.dll\",Group"	vun.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\j:	vun.exe
File opened (read-only)	\??\k:	vun.exe
File opened (read-only)	\??\o:	vun.exe
File opened (read-only)	\??\s:	vun.exe
File opened (read-only)	\??\t:	vun.exe
File opened (read-only)	\??\w:	vun.exe
File opened (read-only)	\??\e:	vun.exe
File opened (read-only)	\??\i:	vun.exe
File opened (read-only)	\??\y:	vun.exe
File opened (read-only)	\??\r:	vun.exe
File opened (read-only)	\??\x:	vun.exe
File opened (read-only)	\??\g:	vun.exe
File opened (read-only)	\??\n:	vun.exe
File opened (read-only)	\??\l:	vun.exe
File opened (read-only)	\??\m:	vun.exe
File opened (read-only)	\??\p:	vun.exe
File opened (read-only)	\??\q:	vun.exe
File opened (read-only)	\??\u:	vun.exe
File opened (read-only)	\??\z:	vun.exe
File opened (read-only)	\??\a:	vun.exe
File opened (read-only)	\??\h:	vun.exe
File opened (read-only)	\??\b:	vun.exe
File opened (read-only)	\??\v:	vun.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PHYSICALDRIVE0	vun.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\ufwyrqe	ybwry.exe
File created	\??\c:\Program Files\ufwyrqe\vunah.dll	ybwry.exe
File created	\??\c:\Program Files\ufwyrqe\vun.exe	ybwry.exe
File opened for modification	\??\c:\Program Files\ufwyrqe\vun.exe	ybwry.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	vun.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	vun.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2516	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3044	vun.exe
3044	vun.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3044	vun.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1972	2eb19b201206975fbd8732295fd10e12720a0152bd28e44d945605f29667a382.exe
2236	ybwry.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 2732	1972	2eb19b201206975fbd8732295fd10e12720a0152bd28e44d945605f29667a382.exe	28
PID 1972 wrote to memory of 2732	1972	2eb19b201206975fbd8732295fd10e12720a0152bd28e44d945605f29667a382.exe	28
PID 1972 wrote to memory of 2732	1972	2eb19b201206975fbd8732295fd10e12720a0152bd28e44d945605f29667a382.exe	28
PID 1972 wrote to memory of 2732	1972	2eb19b201206975fbd8732295fd10e12720a0152bd28e44d945605f29667a382.exe	28
PID 2732 wrote to memory of 2516	2732	cmd.exe	30
PID 2732 wrote to memory of 2516	2732	cmd.exe	30
PID 2732 wrote to memory of 2516	2732	cmd.exe	30
PID 2732 wrote to memory of 2516	2732	cmd.exe	30
PID 2732 wrote to memory of 2236	2732	cmd.exe	31
PID 2732 wrote to memory of 2236	2732	cmd.exe	31
PID 2732 wrote to memory of 2236	2732	cmd.exe	31
PID 2732 wrote to memory of 2236	2732	cmd.exe	31
PID 2236 wrote to memory of 3044	2236	ybwry.exe	32
PID 2236 wrote to memory of 3044	2236	ybwry.exe	32
PID 2236 wrote to memory of 3044	2236	ybwry.exe	32
PID 2236 wrote to memory of 3044	2236	ybwry.exe	32

C:\Users\Admin\AppData\Local\Temp\2eb19b201206975fbd8732295fd10e12720a0152bd28e44d945605f29667a382.exe
"C:\Users\Admin\AppData\Local\Temp\2eb19b201206975fbd8732295fd10e12720a0152bd28e44d945605f29667a382.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\ybwry.exe "C:\Users\Admin\AppData\Local\Temp\2eb19b201206975fbd8732295fd10e12720a0152bd28e44d945605f29667a382.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2732
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - Runs ping.exe
    PID:2516
- - C:\Users\Admin\AppData\Local\Temp\ybwry.exe
    C:\Users\Admin\AppData\Local\Temp\\ybwry.exe "C:\Users\Admin\AppData\Local\Temp\2eb19b201206975fbd8732295fd10e12720a0152bd28e44d945605f29667a382.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Program Files directory
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2236
  - - \??\c:\Program Files\ufwyrqe\vun.exe
      "c:\Program Files\ufwyrqe\vun.exe" "c:\Program Files\ufwyrqe\vunah.dll",Group C:\Users\Admin\AppData\Local\Temp\ybwry.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      Enumerates connected drives
      Writes to the Master Boot Record (MBR)
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3044

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

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

\??\c:\Program Files\ufwyrqe\vunah.dll

Filesize
148KB

MD5
c95e43efc0620c3924759690b5ae035f

SHA1
a9334b3a03e1b8de0715c13023bb961f66576297

SHA256
a1181d36a4c41768af47f016c9b5003880f25272773fab23f452f45472f85cff

SHA512
c1482d83526040eec5cba1b6cd268201f73c3a7d0c26d6bfc7a14e46fd69f7c4a862408e05f87bd162451e569cb6e4b85d1e3e8052ecf14039f630b5cddbaf88

Download Submit
\Program Files\ufwyrqe\vun.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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

Filesize
209KB

MD5
99ca3d6d7e8dc1bec60e16f76f277e41

SHA1
57efa705a5b16c906ba5dbf39a4867ed03759f9b

SHA256
7bb44a984640c53a3deb01ec70ab8f11c55fd3849ab3945f6f2ac73372c30525

SHA512
2ae2d14b7279c1b0db97f03c3614f7df0045f0c026820bfe8b8a019f6952fd8679120ca12f90cbac8039c4f36eee90062791821a068b2f9fa46d74df51850f8d

Download Submit
memory/1972-0-0x0000000000400000-0x0000000000479D2E-memory.dmp

Filesize
487KB

Download
memory/1972-2-0x0000000000400000-0x0000000000479D2E-memory.dmp

Filesize
487KB

Download
memory/2236-9-0x0000000000400000-0x0000000000479D2E-memory.dmp

Filesize
487KB

Download
memory/2236-16-0x0000000000400000-0x0000000000479D2E-memory.dmp

Filesize
487KB

Download
memory/2732-8-0x0000000000410000-0x000000000048A000-memory.dmp

Filesize
488KB

Download
memory/2732-5-0x0000000000410000-0x000000000048A000-memory.dmp

Filesize
488KB

Download
memory/3044-23-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download
memory/3044-24-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download
memory/3044-26-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads