f9740f9ddcff00ced727b4f9dcc3c56bd0315915ed946374bc63567051aaf8c0

General

Target

f9740f9ddcff00ced727b4f9dcc3c56bd0315915ed946374bc63567051aaf8c0.exe
Size

130KB
MD5

63c59b483043c0d4c519310f1c21795d
SHA1

3016f733c8a539e1d82ec31499e885f275eac82d
SHA256

f9740f9ddcff00ced727b4f9dcc3c56bd0315915ed946374bc63567051aaf8c0
SHA512

3d4d2e06d36578f83be0909b840ce7c3deba89376e4e5765351c05f7681edeb7ec0904cecfed1ed0c5d31d536957fe64f76936bfecbd558a3f1f4b557567db8e
SSDEEP

1536:eH1ZaQvR1KiX3NK6I+hZhYrt/w5Q6G6IpiRYzz9qJHhhnm0yG5aP/5UROXTmZB:SKQJcinxphkG5Q6GdpIOkJHhKRyOXK3

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
72676	Flaseher.exe

Loads dropped DLL 5 IoCs

pid	Process
16068	f9740f9ddcff00ced727b4f9dcc3c56bd0315915ed946374bc63567051aaf8c0.exe
16068	f9740f9ddcff00ced727b4f9dcc3c56bd0315915ed946374bc63567051aaf8c0.exe
16068	f9740f9ddcff00ced727b4f9dcc3c56bd0315915ed946374bc63567051aaf8c0.exe
16068	f9740f9ddcff00ced727b4f9dcc3c56bd0315915ed946374bc63567051aaf8c0.exe
16068	f9740f9ddcff00ced727b4f9dcc3c56bd0315915ed946374bc63567051aaf8c0.exe

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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\.Flasfh = "C:\\Users\\Admin\\AppData\\Roaming\\..Flash\\Flaseher.exe"	reg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2128 set thread context of 16068	2128	f9740f9ddcff00ced727b4f9dcc3c56bd0315915ed946374bc63567051aaf8c0.exe	31

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2128-0-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/memory/2128-78-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/memory/2128-74-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/memory/16068-798928-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2128-798925-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/files/0x0009000000016332-798952.dat	upx
behavioral1/memory/16068-798972-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/72676-821921-0x0000000000400000-0x0000000000423000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f9740f9ddcff00ced727b4f9dcc3c56bd0315915ed946374bc63567051aaf8c0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Flaseher.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f9740f9ddcff00ced727b4f9dcc3c56bd0315915ed946374bc63567051aaf8c0.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2128	f9740f9ddcff00ced727b4f9dcc3c56bd0315915ed946374bc63567051aaf8c0.exe
16068	f9740f9ddcff00ced727b4f9dcc3c56bd0315915ed946374bc63567051aaf8c0.exe
72676	Flaseher.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 16068	2128	f9740f9ddcff00ced727b4f9dcc3c56bd0315915ed946374bc63567051aaf8c0.exe	31
PID 2128 wrote to memory of 16068	2128	f9740f9ddcff00ced727b4f9dcc3c56bd0315915ed946374bc63567051aaf8c0.exe	31
PID 2128 wrote to memory of 16068	2128	f9740f9ddcff00ced727b4f9dcc3c56bd0315915ed946374bc63567051aaf8c0.exe	31
PID 2128 wrote to memory of 16068	2128	f9740f9ddcff00ced727b4f9dcc3c56bd0315915ed946374bc63567051aaf8c0.exe	31
PID 2128 wrote to memory of 16068	2128	f9740f9ddcff00ced727b4f9dcc3c56bd0315915ed946374bc63567051aaf8c0.exe	31
PID 2128 wrote to memory of 16068	2128	f9740f9ddcff00ced727b4f9dcc3c56bd0315915ed946374bc63567051aaf8c0.exe	31
PID 2128 wrote to memory of 16068	2128	f9740f9ddcff00ced727b4f9dcc3c56bd0315915ed946374bc63567051aaf8c0.exe	31
PID 2128 wrote to memory of 16068	2128	f9740f9ddcff00ced727b4f9dcc3c56bd0315915ed946374bc63567051aaf8c0.exe	31
PID 16068 wrote to memory of 72584	16068	f9740f9ddcff00ced727b4f9dcc3c56bd0315915ed946374bc63567051aaf8c0.exe	32
PID 16068 wrote to memory of 72584	16068	f9740f9ddcff00ced727b4f9dcc3c56bd0315915ed946374bc63567051aaf8c0.exe	32
PID 16068 wrote to memory of 72584	16068	f9740f9ddcff00ced727b4f9dcc3c56bd0315915ed946374bc63567051aaf8c0.exe	32
PID 16068 wrote to memory of 72584	16068	f9740f9ddcff00ced727b4f9dcc3c56bd0315915ed946374bc63567051aaf8c0.exe	32
PID 72584 wrote to memory of 72636	72584	cmd.exe	34
PID 72584 wrote to memory of 72636	72584	cmd.exe	34
PID 72584 wrote to memory of 72636	72584	cmd.exe	34
PID 72584 wrote to memory of 72636	72584	cmd.exe	34
PID 16068 wrote to memory of 72676	16068	f9740f9ddcff00ced727b4f9dcc3c56bd0315915ed946374bc63567051aaf8c0.exe	35
PID 16068 wrote to memory of 72676	16068	f9740f9ddcff00ced727b4f9dcc3c56bd0315915ed946374bc63567051aaf8c0.exe	35
PID 16068 wrote to memory of 72676	16068	f9740f9ddcff00ced727b4f9dcc3c56bd0315915ed946374bc63567051aaf8c0.exe	35
PID 16068 wrote to memory of 72676	16068	f9740f9ddcff00ced727b4f9dcc3c56bd0315915ed946374bc63567051aaf8c0.exe	35

C:\Users\Admin\AppData\Local\Temp\f9740f9ddcff00ced727b4f9dcc3c56bd0315915ed946374bc63567051aaf8c0.exe
"C:\Users\Admin\AppData\Local\Temp\f9740f9ddcff00ced727b4f9dcc3c56bd0315915ed946374bc63567051aaf8c0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Users\Admin\AppData\Local\Temp\f9740f9ddcff00ced727b4f9dcc3c56bd0315915ed946374bc63567051aaf8c0.exe
  "C:\Users\Admin\AppData\Local\Temp\f9740f9ddcff00ced727b4f9dcc3c56bd0315915ed946374bc63567051aaf8c0.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:16068
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\ONHQY.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:72584
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v ".Flasfh" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe" /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:72636
- - C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe
    "C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:72676

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

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\ONHQY.bat

Filesize
145B

MD5
da0cbe87b720a79b294147ed6a4b98be

SHA1
ebf0dc9efd7a12cb192e355cda87546acb4ab360

SHA256
7ccfeff356fdccc9145bd1e263aa1c56360ca7b6552ed5a5665c596d02a627ed

SHA512
f55c4a3d24d2f11db5eda3c816d1cd3b8804a171a7bf715b13d60788247fbb352eafaa5bd4e0a8086c1013396be0a48c7bdb904ab0f974fa0c75e81e3d365acc

Download Submit
\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe

Filesize
130KB

MD5
ea187fa3795d09fb14a3a7ce4b0d3a7f

SHA1
967b8356f13eedcad31b03120f992402f910e677

SHA256
090ec3b14bc14e59d1dc169acd34a03ed229b769a2324d1ed2d3a6f2f2169694

SHA512
6bef072d0120df3d38b15954e6c937b14f78746adc289a7263a7113c1a797de43761552c0d8df21127f4597bbbbf995d7baf31fd36eb21a1c292f6e46bce6d0e

Download Submit
memory/2128-21-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2128-798925-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2128-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2128-53-0x0000000000416000-0x0000000000417000-memory.dmp

Filesize
4KB

Download
memory/2128-51-0x0000000002400000-0x0000000002401000-memory.dmp

Filesize
4KB

Download
memory/2128-41-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/2128-78-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2128-74-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2128-11-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2128-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2128-9-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/16068-798928-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/16068-798968-0x00000000026D0000-0x00000000026F3000-memory.dmp

Filesize
140KB

Download
memory/16068-798967-0x00000000026D0000-0x00000000026F3000-memory.dmp

Filesize
140KB

Download
memory/16068-798966-0x00000000026D0000-0x00000000026F3000-memory.dmp

Filesize
140KB

Download
memory/16068-798972-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/72676-821921-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads