e259017d25afeb189c2835a1e2ae17cd874fb040c7ac15f62e5651f8754bbe41

Analysis

max time kernel
167s
max time network
188s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 08:54

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General

Target

134cce8f1b8c29cf49d732e310abaebe.exe
Size

169KB
MD5

134cce8f1b8c29cf49d732e310abaebe
SHA1

30a8e6a9f8634694baaf6fe255dab3f8b2970376
SHA256

e259017d25afeb189c2835a1e2ae17cd874fb040c7ac15f62e5651f8754bbe41
SHA512

99e58940834cfbec5997f428b1040a671c931e4abba0e0f5d542432587f2603447b9ace9258fd865212ceefe84bf4cf4e47417f1c84400ba98ee47eaa3d46933
SSDEEP

3072:wzxBux14OFN/l1XyUDVI4F97URnh5xcnWPTAdxboY1fbH/YPo:wutoN5Twx8u/

Score

7^/10

evasion persistence trojan upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
388	i6g8xs.exe
3308	i6g8xs.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2468-0-0x0000000000400000-0x0000000000432000-memory.dmp	upx
behavioral2/files/0x00060000000231fe-6.dat	upx
behavioral2/memory/2468-16-0x0000000000400000-0x0000000000432000-memory.dmp	upx
behavioral2/memory/388-21-0x0000000000400000-0x0000000000432000-memory.dmp	upx
behavioral2/memory/3308-22-0x0000000000400000-0x0000000000432000-memory.dmp	upx
behavioral2/memory/3308-23-0x0000000000400000-0x0000000000432000-memory.dmp	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\i6g8xs = "C:\\Users\\Admin\\AppData\\Roaming\\i6g8xs.exe"	134cce8f1b8c29cf49d732e310abaebe.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\GrpConv = "grpconv -o"	Rundll32.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	134cce8f1b8c29cf49d732e310abaebe.exe

Launches sc.exe 2 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2452	sc.exe
3184	sc.exe

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

System Information Discovery
T1082

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 opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	runonce.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	runonce.exe

Runs net.exe

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
2468	134cce8f1b8c29cf49d732e310abaebe.exe
2468	134cce8f1b8c29cf49d732e310abaebe.exe
2468	134cce8f1b8c29cf49d732e310abaebe.exe
388	i6g8xs.exe
388	i6g8xs.exe
388	i6g8xs.exe
3308	i6g8xs.exe
3308	i6g8xs.exe
3308	i6g8xs.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2468 wrote to memory of 4284	2468	134cce8f1b8c29cf49d732e310abaebe.exe	92
PID 2468 wrote to memory of 4284	2468	134cce8f1b8c29cf49d732e310abaebe.exe	92
PID 2468 wrote to memory of 4284	2468	134cce8f1b8c29cf49d732e310abaebe.exe	92
PID 2468 wrote to memory of 2452	2468	134cce8f1b8c29cf49d732e310abaebe.exe	93
PID 2468 wrote to memory of 2452	2468	134cce8f1b8c29cf49d732e310abaebe.exe	93
PID 2468 wrote to memory of 2452	2468	134cce8f1b8c29cf49d732e310abaebe.exe	93
PID 2468 wrote to memory of 1884	2468	134cce8f1b8c29cf49d732e310abaebe.exe	94
PID 2468 wrote to memory of 1884	2468	134cce8f1b8c29cf49d732e310abaebe.exe	94
PID 2468 wrote to memory of 1884	2468	134cce8f1b8c29cf49d732e310abaebe.exe	94
PID 2468 wrote to memory of 3184	2468	134cce8f1b8c29cf49d732e310abaebe.exe	95
PID 2468 wrote to memory of 3184	2468	134cce8f1b8c29cf49d732e310abaebe.exe	95
PID 2468 wrote to memory of 3184	2468	134cce8f1b8c29cf49d732e310abaebe.exe	95
PID 2468 wrote to memory of 388	2468	134cce8f1b8c29cf49d732e310abaebe.exe	98
PID 2468 wrote to memory of 388	2468	134cce8f1b8c29cf49d732e310abaebe.exe	98
PID 2468 wrote to memory of 388	2468	134cce8f1b8c29cf49d732e310abaebe.exe	98
PID 2468 wrote to memory of 2000	2468	134cce8f1b8c29cf49d732e310abaebe.exe	102
PID 2468 wrote to memory of 2000	2468	134cce8f1b8c29cf49d732e310abaebe.exe	102
PID 2468 wrote to memory of 2000	2468	134cce8f1b8c29cf49d732e310abaebe.exe	102
PID 4284 wrote to memory of 4192	4284	net.exe	101
PID 4284 wrote to memory of 4192	4284	net.exe	101
PID 4284 wrote to memory of 4192	4284	net.exe	101
PID 1884 wrote to memory of 3744	1884	net.exe	103
PID 1884 wrote to memory of 3744	1884	net.exe	103
PID 1884 wrote to memory of 3744	1884	net.exe	103
PID 2000 wrote to memory of 3164	2000	Rundll32.exe	104
PID 2000 wrote to memory of 3164	2000	Rundll32.exe	104
PID 2000 wrote to memory of 3164	2000	Rundll32.exe	104
PID 2468 wrote to memory of 2368	2468	134cce8f1b8c29cf49d732e310abaebe.exe	105
PID 2468 wrote to memory of 2368	2468	134cce8f1b8c29cf49d732e310abaebe.exe	105
PID 2468 wrote to memory of 2368	2468	134cce8f1b8c29cf49d732e310abaebe.exe	105
PID 388 wrote to memory of 3308	388	i6g8xs.exe	107
PID 388 wrote to memory of 3308	388	i6g8xs.exe	107
PID 388 wrote to memory of 3308	388	i6g8xs.exe	107
PID 3164 wrote to memory of 4060	3164	runonce.exe	108
PID 3164 wrote to memory of 4060	3164	runonce.exe	108
PID 3164 wrote to memory of 4060	3164	runonce.exe	108

C:\Users\Admin\AppData\Local\Temp\134cce8f1b8c29cf49d732e310abaebe.exe
"C:\Users\Admin\AppData\Local\Temp\134cce8f1b8c29cf49d732e310abaebe.exe"
1⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2468
- C:\Windows\SysWOW64\net.exe
  net.exe stop "Security Center"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4284
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop "Security Center"
    3⤵
    PID:4192
- C:\Windows\SysWOW64\sc.exe
  sc config wscsvc start= DISABLED
  2⤵
  - Launches sc.exe
  PID:2452
- C:\Windows\SysWOW64\net.exe
  net.exe stop "Windows Firewall/Internet Connection Sharing (ICS)"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1884
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop "Windows Firewall/Internet Connection Sharing (ICS)"
    3⤵
    PID:3744
- C:\Windows\SysWOW64\sc.exe
  sc config SharedAccess start= DISABLED
  2⤵
  - Launches sc.exe
  PID:3184
- C:\Users\Admin\AppData\Roaming\i6g8xs.exe
  C:\Users\Admin\AppData\Roaming\i6g8xs.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:388
- - C:\Users\Admin\AppData\Roaming\i6g8xs.exe
    C:\Users\Admin\AppData\Roaming\i6g8xs.exe -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
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    PID:3308
- C:\Windows\SysWOW64\Rundll32.exe
  Rundll32.exe setupapi,InstallHinfSection DefaultInstall 128 C:\Users\Admin\AppData\Roaming\mdinstall.inf
  2⤵
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2000
- - C:\Windows\SysWOW64\runonce.exe
    "C:\Windows\system32\runonce.exe" -r
    3⤵
    - Checks processor information in registry
    - Suspicious use of WriteProcessMemory
    PID:3164
  - - C:\Windows\SysWOW64\grpconv.exe
      "C:\Windows\System32\grpconv.exe" -o
      4⤵
      PID:4060
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\qiwpjt0oo.bat
  2⤵
  PID:2368

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\i6g8xs.exe

Filesize
169KB

MD5
134cce8f1b8c29cf49d732e310abaebe

SHA1
30a8e6a9f8634694baaf6fe255dab3f8b2970376

SHA256
e259017d25afeb189c2835a1e2ae17cd874fb040c7ac15f62e5651f8754bbe41

SHA512
99e58940834cfbec5997f428b1040a671c931e4abba0e0f5d542432587f2603447b9ace9258fd865212ceefe84bf4cf4e47417f1c84400ba98ee47eaa3d46933

Download Submit
C:\Users\Admin\AppData\Roaming\mdinstall.inf

Filesize
410B

MD5
3ccb3b743b0d79505a75476800c90737

SHA1
b5670f123572972883655ef91c69ecc2be987a63

SHA256
5d96bec9bc06fd8d7abc11efbb3cb263844ee0416910f63581dd7848b4e1d8dd

SHA512
09b1cdd4393f515f7569fbccc3f63051823ed7292b6e572bc9a34e4389b727b2914b22118e874864ccb32ef63016b2abd6d84510fd46fdee712fd84be59c114e

Download Submit
C:\Users\Admin\AppData\Roaming\qiwpjt0oo.bat

Filesize
190B

MD5
f7eaadf43a2093df59d39d2a0e15dd9a

SHA1
3925f9e353123d8f4008a160c459cde085973edd

SHA256
b84e847185cdd7901fff3de98fba72842d1ed9f24b00739ca62eac1acd0ecdbe

SHA512
42697872db54e2e55421204ac26db0675fd816b9af4feba92c861994eebf9d34beb736baaf285e10df0a55d9325417d02c5f9c74bbe937b3c0ab09bdbf24688d

Download Submit
memory/388-21-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2468-0-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2468-16-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/3308-22-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/3308-23-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads