a291a36d884b6b73d4609a95353e4233cdfe34578ffb65d76312ba4ac6570b70

General

Target

a291a36d884b6b73d4609a95353e4233cdfe34578ffb65d76312ba4ac6570b70.exe
Size

298KB
MD5

4144612c5b2a095da028d36e54ef0a78
SHA1

4f223e9b4cf0847cac182870512ff19e44395119
SHA256

a291a36d884b6b73d4609a95353e4233cdfe34578ffb65d76312ba4ac6570b70
SHA512

3234507d9c25c80d52965026bdc7ed9fe0bfd93464172cd0515e24deda596c9c77eb6e4ddf41383bf7a903935ef1bb48c88162156112fb479cd43213651280ef
SSDEEP

6144:CJlWTQXs31lALDBwFcC6nt/HVNVoi0567mZ/CMHX/5jaT1NP:eNXSlASj6t/HV8iU/zHxjaRh

Score

9^/10

Malware Config

Signatures

Detects executables containing base64 encoded User Agent 2 IoCs

resource	yara_rule
behavioral1/memory/2792-28-0x0000000010000000-0x000000001008A000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/2792-30-0x0000000010000000-0x000000001008A000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

Detects executables packed with VMProtect. 3 IoCs

resource	yara_rule
behavioral1/memory/3016-0-0x0000000000400000-0x0000000000495000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/files/0x000f00000001227e-6.dat	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2236-8-0x0000000000120000-0x00000000001B5000-memory.dmp	INDICATOR_EXE_Packed_VMProtect

Deletes itself 1 IoCs

pid	Process
2648	eqoghb.exe

Executes dropped EXE 2 IoCs

pid	Process
2648	eqoghb.exe
2792	dxctboo.exe

Loads dropped DLL 7 IoCs

pid	Process
2236	cmd.exe
2236	cmd.exe
2648	eqoghb.exe
2792	dxctboo.exe
2792	dxctboo.exe
2792	dxctboo.exe
2792	dxctboo.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-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\HFF = "c:\\Program Files\\iyigs\\dxctboo.exe \"c:\\Program Files\\iyigs\\dxctboo.dll\",FindFrame"	dxctboo.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)	\??\a:	dxctboo.exe
File opened (read-only)	\??\g:	dxctboo.exe
File opened (read-only)	\??\n:	dxctboo.exe
File opened (read-only)	\??\q:	dxctboo.exe
File opened (read-only)	\??\s:	dxctboo.exe
File opened (read-only)	\??\w:	dxctboo.exe
File opened (read-only)	\??\b:	dxctboo.exe
File opened (read-only)	\??\h:	dxctboo.exe
File opened (read-only)	\??\k:	dxctboo.exe
File opened (read-only)	\??\l:	dxctboo.exe
File opened (read-only)	\??\m:	dxctboo.exe
File opened (read-only)	\??\p:	dxctboo.exe
File opened (read-only)	\??\r:	dxctboo.exe
File opened (read-only)	\??\x:	dxctboo.exe
File opened (read-only)	\??\y:	dxctboo.exe
File opened (read-only)	\??\e:	dxctboo.exe
File opened (read-only)	\??\j:	dxctboo.exe
File opened (read-only)	\??\o:	dxctboo.exe
File opened (read-only)	\??\u:	dxctboo.exe
File opened (read-only)	\??\v:	dxctboo.exe
File opened (read-only)	\??\z:	dxctboo.exe
File opened (read-only)	\??\i:	dxctboo.exe
File opened (read-only)	\??\t:	dxctboo.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	dxctboo.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\iyigs	eqoghb.exe
File created	\??\c:\Program Files\iyigs\dxctboo.dll	eqoghb.exe
File created	\??\c:\Program Files\iyigs\dxctboo.exe	eqoghb.exe
File opened for modification	\??\c:\Program Files\iyigs\dxctboo.exe	eqoghb.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	dxctboo.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	dxctboo.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2700	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2792	dxctboo.exe
2792	dxctboo.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2792	dxctboo.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3016	a291a36d884b6b73d4609a95353e4233cdfe34578ffb65d76312ba4ac6570b70.exe
2648	eqoghb.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 2236	3016	a291a36d884b6b73d4609a95353e4233cdfe34578ffb65d76312ba4ac6570b70.exe	28
PID 3016 wrote to memory of 2236	3016	a291a36d884b6b73d4609a95353e4233cdfe34578ffb65d76312ba4ac6570b70.exe	28
PID 3016 wrote to memory of 2236	3016	a291a36d884b6b73d4609a95353e4233cdfe34578ffb65d76312ba4ac6570b70.exe	28
PID 3016 wrote to memory of 2236	3016	a291a36d884b6b73d4609a95353e4233cdfe34578ffb65d76312ba4ac6570b70.exe	28
PID 2236 wrote to memory of 2700	2236	cmd.exe	30
PID 2236 wrote to memory of 2700	2236	cmd.exe	30
PID 2236 wrote to memory of 2700	2236	cmd.exe	30
PID 2236 wrote to memory of 2700	2236	cmd.exe	30
PID 2236 wrote to memory of 2648	2236	cmd.exe	31
PID 2236 wrote to memory of 2648	2236	cmd.exe	31
PID 2236 wrote to memory of 2648	2236	cmd.exe	31
PID 2236 wrote to memory of 2648	2236	cmd.exe	31
PID 2648 wrote to memory of 2792	2648	eqoghb.exe	32
PID 2648 wrote to memory of 2792	2648	eqoghb.exe	32
PID 2648 wrote to memory of 2792	2648	eqoghb.exe	32
PID 2648 wrote to memory of 2792	2648	eqoghb.exe	32

C:\Users\Admin\AppData\Local\Temp\a291a36d884b6b73d4609a95353e4233cdfe34578ffb65d76312ba4ac6570b70.exe
"C:\Users\Admin\AppData\Local\Temp\a291a36d884b6b73d4609a95353e4233cdfe34578ffb65d76312ba4ac6570b70.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\eqoghb.exe "C:\Users\Admin\AppData\Local\Temp\a291a36d884b6b73d4609a95353e4233cdfe34578ffb65d76312ba4ac6570b70.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2236
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - Runs ping.exe
    PID:2700
- - C:\Users\Admin\AppData\Local\Temp\eqoghb.exe
    C:\Users\Admin\AppData\Local\Temp\\eqoghb.exe "C:\Users\Admin\AppData\Local\Temp\a291a36d884b6b73d4609a95353e4233cdfe34578ffb65d76312ba4ac6570b70.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:2648
  - - \??\c:\Program Files\iyigs\dxctboo.exe
      "c:\Program Files\iyigs\dxctboo.exe" "c:\Program Files\iyigs\dxctboo.dll",FindFrame C:\Users\Admin\AppData\Local\Temp\eqoghb.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:2792

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

Replay Monitor

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Downloads

\Program Files\iyigs\dxctboo.dll

Filesize
236KB

MD5
855c99fdf6ea1e17dbb1cc9d90f07dda

SHA1
2166c1b99cea336e9ae3341f10284a0e1c183641

SHA256
97a68c62fedc44e2a931ba5b52cb369e281f84e531e76bdf4634be628d37277a

SHA512
4b498205857386c4f0112d82a31ee58223bb72f0da40ca214910b12fec8e39fc8ba98e344ef60418143db46b4b67e05ad1d9fb13450136f8359984bc45c4a828

Download Submit
\Program Files\iyigs\dxctboo.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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

Filesize
298KB

MD5
b39798927f78445d5f2dcb0c7e4389aa

SHA1
750eff09cc3c40c822a1533199f3210554995315

SHA256
76de5c944d7880cebdb41a3f95bb155df2266c290824abb23122fa9ae28ffb04

SHA512
fd06a603f22b481e4bc6c902747ef7759d338c23a34fd8d50f804d07833a02f591872d5a490db9c94957d72649874e8fad286df6e0a025d81ccc405ef54a38a0

Download Submit
memory/2236-8-0x0000000000120000-0x00000000001B5000-memory.dmp

Filesize
596KB

Download
memory/2648-12-0x0000000000400000-0x0000000000495000-memory.dmp

Filesize
596KB

Download
memory/2648-19-0x0000000000400000-0x0000000000495000-memory.dmp

Filesize
596KB

Download
memory/2792-27-0x0000000010000000-0x000000001008A000-memory.dmp

Filesize
552KB

Download
memory/2792-28-0x0000000010000000-0x000000001008A000-memory.dmp

Filesize
552KB

Download
memory/2792-30-0x0000000010000000-0x000000001008A000-memory.dmp

Filesize
552KB

Download
memory/3016-5-0x0000000000400000-0x0000000000495000-memory.dmp

Filesize
596KB

Download
memory/3016-0-0x0000000000400000-0x0000000000495000-memory.dmp

Filesize
596KB

Download
memory/3016-3-0x0000000000400000-0x0000000000495000-memory.dmp

Filesize
596KB

Download
memory/3016-2-0x0000000000451000-0x0000000000495000-memory.dmp

Filesize
272KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads