221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1

General

Target

221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1.exe
Size

5.3MB
MD5

4e03b1ec179f49432b8dc8e850e9eda0
SHA1

6e3a3ef9693fe639963546ccc5138b61a2b68c8a
SHA256

221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1
SHA512

a68b101817f1a94ccd409eb3ad656836e586c5efd1d5e26859de427f5adb279040ca6e6b2da8cb394083709b0610e6a3d867a7d9ff65f8176ea7ea3b71af7e63
SSDEEP

49152:gh87j4aV9kcbHsIiAhnJ+bYHcxbYLOojcsbVLsOIONDv9GP:Y8Ias

Score

7^/10

discovery

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1.exe

description	pid	process	target process
PID 4760 set thread context of 4304	4760	221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1.exe	221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

208 4304 WerFault.exe 221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1.exe

pid	pid_target	process	target process
208	4304	WerFault.exe	221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1.exe

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

Processes:

221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1.exe

Modifies registry class 2 IoCs

Processes:

221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1.exe

description	ioc	process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\lf1186604961l.ixw\ = 40e056aadd803d5d4ad002db8c9e60bb	221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\lf1186604961l.ixw	221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1.exe

pid	process
4760	221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1.exe
4760	221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1.exe

description	pid	process	target process
PID 4760 wrote to memory of 4304	4760	221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1.exe	221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1.exe
PID 4760 wrote to memory of 4304	4760	221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1.exe	221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1.exe
PID 4760 wrote to memory of 4304	4760	221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1.exe	221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1.exe
PID 4760 wrote to memory of 4304	4760	221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1.exe	221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1.exe

C:\Users\Admin\AppData\Local\Temp\221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1.exe
"C:\Users\Admin\AppData\Local\Temp\221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1.exe"
1⤵
- Checks BIOS information in registry
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4760
- C:\Users\Admin\AppData\Local\Temp\221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1.exe
  C:\Users\Admin\AppData\Local\Temp\221fe1191aa3e768a11f14a78a58b066646e0e2cf46d7ef2ad496b2564c874b1.exe
  2⤵
  PID:4304
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4304 -s 12
    3⤵
    - Program crash
    PID:208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4304 -ip 4304
1⤵
PID:2132

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4760-2-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/4760-5-0x0000000000401000-0x0000000000421000-memory.dmp

Filesize
128KB

Download
memory/4760-9-0x0000000000401000-0x0000000000421000-memory.dmp

Filesize
128KB

Download
memory/4760-8-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads