ed6566cd8828d0d9a7bd2bd7731df7703977d9b18fa7ede31bb8b1835b12da78

Analysis

max time kernel
315s
max time network
1580s
platform
windows10-1703_x64
resource
win10-20240404-en
submitted
23/05/2024, 17:53

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General

Target

femordial.dll
Size

36.1MB
MD5

38bf550f8d73ea9791d7778d9b6b44a8
SHA1

67bf70a4d78f9f18b1af30cd9c85c632b52188c1
SHA256

ed6566cd8828d0d9a7bd2bd7731df7703977d9b18fa7ede31bb8b1835b12da78
SHA512

cfff6d55b90a42be22d09aaf30eed718b71fff8bfddab2404e968359a18ab8aec679a4ca85e144d3527602fd515a03724e897addd68865e796b0a387f582fd7f
SSDEEP

393216:g4S82OrtN+zJkGsF20dH5ZXtpKjzw1QxgvLqmNAmjpy:7OOrtN+zJkGsF2OZZXuv4GcLjp

Score

4^/10

discovery

Malware Config

Signatures

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\rescache\_merged\4183903823\2290032291.pri	taskmgr.exe
File created	C:\Windows\rescache\_merged\1601268389\715946058.pri	taskmgr.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1212	752	WerFault.exe	74
4376	752	WerFault.exe	74

System Location Discovery: System Language Discovery 1 TTPs 1 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	rundll32.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A	taskmgr.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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	taskmgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	taskmgr.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2212	taskmgr.exe
Token: SeSystemProfilePrivilege	2212	taskmgr.exe
Token: SeCreateGlobalPrivilege	2212	taskmgr.exe
Token: 33	2212	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2212	taskmgr.exe

Suspicious use of FindShellTrayWindow 38 IoCs

pid	Process
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe

Suspicious use of SendNotifyMessage 38 IoCs

pid	Process
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe
2212	taskmgr.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 928 wrote to memory of 752	928	rundll32.exe	74
PID 928 wrote to memory of 752	928	rundll32.exe	74
PID 928 wrote to memory of 752	928	rundll32.exe	74
PID 4112 wrote to memory of 4296	4112	cmd.exe	86
PID 4112 wrote to memory of 4296	4112	cmd.exe	86
PID 4112 wrote to memory of 2996	4112	cmd.exe	88
PID 4112 wrote to memory of 2996	4112	cmd.exe	88
PID 4112 wrote to memory of 4592	4112	cmd.exe	89
PID 4112 wrote to memory of 4592	4112	cmd.exe	89
PID 4112 wrote to memory of 2556	4112	cmd.exe	90
PID 4112 wrote to memory of 2556	4112	cmd.exe	90
PID 4112 wrote to memory of 4388	4112	cmd.exe	91
PID 4112 wrote to memory of 4388	4112	cmd.exe	91
PID 4112 wrote to memory of 204	4112	cmd.exe	92
PID 4112 wrote to memory of 204	4112	cmd.exe	92
PID 4112 wrote to memory of 1324	4112	cmd.exe	93
PID 4112 wrote to memory of 1324	4112	cmd.exe	93
PID 4112 wrote to memory of 3812	4112	cmd.exe	94
PID 4112 wrote to memory of 3812	4112	cmd.exe	94
PID 4112 wrote to memory of 528	4112	cmd.exe	95
PID 4112 wrote to memory of 528	4112	cmd.exe	95
PID 4112 wrote to memory of 1764	4112	cmd.exe	96
PID 4112 wrote to memory of 1764	4112	cmd.exe	96
PID 4112 wrote to memory of 696	4112	cmd.exe	97
PID 4112 wrote to memory of 696	4112	cmd.exe	97
PID 4112 wrote to memory of 4448	4112	cmd.exe	98
PID 4112 wrote to memory of 4448	4112	cmd.exe	98
PID 4112 wrote to memory of 3248	4112	cmd.exe	99
PID 4112 wrote to memory of 3248	4112	cmd.exe	99
PID 4112 wrote to memory of 700	4112	cmd.exe	100
PID 4112 wrote to memory of 700	4112	cmd.exe	100
PID 4112 wrote to memory of 4168	4112	cmd.exe	101
PID 4112 wrote to memory of 4168	4112	cmd.exe	101
PID 4112 wrote to memory of 1016	4112	cmd.exe	102
PID 4112 wrote to memory of 1016	4112	cmd.exe	102
PID 4112 wrote to memory of 4792	4112	cmd.exe	103
PID 4112 wrote to memory of 4792	4112	cmd.exe	103
PID 4112 wrote to memory of 1940	4112	cmd.exe	104
PID 4112 wrote to memory of 1940	4112	cmd.exe	104
PID 4112 wrote to memory of 988	4112	cmd.exe	105
PID 4112 wrote to memory of 988	4112	cmd.exe	105
PID 4112 wrote to memory of 3796	4112	cmd.exe	106
PID 4112 wrote to memory of 3796	4112	cmd.exe	106
PID 4112 wrote to memory of 424	4112	cmd.exe	107
PID 4112 wrote to memory of 424	4112	cmd.exe	107
PID 4112 wrote to memory of 4276	4112	cmd.exe	108
PID 4112 wrote to memory of 4276	4112	cmd.exe	108
PID 4112 wrote to memory of 4352	4112	cmd.exe	109
PID 4112 wrote to memory of 4352	4112	cmd.exe	109
PID 4112 wrote to memory of 3708	4112	cmd.exe	110
PID 4112 wrote to memory of 3708	4112	cmd.exe	110

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\femordial.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:928
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\femordial.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:752
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 752 -s 604
    3⤵
    - Program crash
    PID:1212
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 752 -s 820
    3⤵
    - Program crash
    PID:4376

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:1596

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {24AC8F2B-4D4A-4C17-9607-6A4B14068F97} -Embedding
1⤵
PID:1740

C:\Windows\system32\cmd.exe
"C:\Windows\system32\cmd.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4112
- C:\Windows\system32\rundll32.exe
  rundll32.exe femordial.dll
  2⤵
  PID:4296
- C:\Windows\system32\rundll32.exe
  rundll32.exe femordial.dll
  2⤵
  PID:2996
- C:\Windows\system32\rundll32.exe
  rundll32.exe femordial.dll
  2⤵
  PID:4592
- C:\Windows\system32\rundll32.exe
  rundll32.exe femordial.dll
  2⤵
  PID:2556
- C:\Windows\system32\rundll32.exe
  rundll32.exe femordial.dll
  2⤵
  PID:4388
- C:\Windows\system32\rundll32.exe
  rundll32.exe femordial.dll
  2⤵
  PID:204
- C:\Windows\system32\rundll32.exe
  rundll32.exe femordial.dll
  2⤵
  PID:1324
- C:\Windows\system32\rundll32.exe
  rundll32.exe femordial.dll
  2⤵
  PID:3812
- C:\Windows\system32\rundll32.exe
  rundll32.exe femordial.dll
  2⤵
  PID:528
- C:\Windows\system32\rundll32.exe
  rundll32.exe femordial.dll
  2⤵
  PID:1764
- C:\Windows\system32\rundll32.exe
  rundll32.exe femordial.dll
  2⤵
  PID:696
- C:\Windows\system32\rundll32.exe
  rundll32.exe femordial.dll
  2⤵
  PID:4448
- C:\Windows\system32\rundll32.exe
  rundll32.exe femordial.dll
  2⤵
  PID:3248
- C:\Windows\system32\rundll32.exe
  rundll32.exe femordial.dll
  2⤵
  PID:700
- C:\Windows\system32\rundll32.exe
  rundll32.exe femordial.dll
  2⤵
  PID:4168
- C:\Windows\system32\rundll32.exe
  rundll32.exe femordial.dll
  2⤵
  PID:1016
- C:\Windows\system32\rundll32.exe
  rundll32.exe femordial.dll
  2⤵
  PID:4792
- C:\Windows\system32\rundll32.exe
  rundll32.exe femordial.dll
  2⤵
  PID:1940
- C:\Windows\system32\rundll32.exe
  rundll32.exe femordial.dll
  2⤵
  PID:988
- C:\Windows\system32\rundll32.exe
  rundll32.exe femordial.dll
  2⤵
  PID:3796
- C:\Windows\system32\rundll32.exe
  rundll32.exe femordial.dll
  2⤵
  PID:424
- C:\Windows\system32\rundll32.exe
  rundll32.exe femordial.dll
  2⤵
  PID:4276
- C:\Windows\system32\rundll32.exe
  rundll32.exe femordial.dll
  2⤵
  PID:4352
- C:\Windows\system32\rundll32.exe
  rundll32.exe femordial.dll
  2⤵
  PID:3708

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /0
1⤵
- Drops file in Windows directory
- Checks SCSI registry key(s)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2212

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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