3d8567fb3b55c792b8ba70e2172726ae80805f1a1c858db29e13a5cd02d8634a

General

Target

1e20978faf83eef6a9d3f22dc7a2e17e.exe
Size

464KB
MD5

1e20978faf83eef6a9d3f22dc7a2e17e
SHA1

25c2f7e1e00cfaa7ca77d6e92329378af65cd41f
SHA256

3d8567fb3b55c792b8ba70e2172726ae80805f1a1c858db29e13a5cd02d8634a
SHA512

b209cbc0c64c38c57ad6c0b198c035332fb670c7d80c3ff3ac338b96eb7e779e32e3a7bf8e7ee307d1e05106e536eaf72f16d66d0678217a0bb4da0da973ba09

Score

7^/10

spyware discovery

Malware Config

Signatures

Suspicious behavior: EnumeratesProcesses 138 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	process
2744	WerFault.exe
2744	WerFault.exe
2744	WerFault.exe
2744	WerFault.exe
2744	WerFault.exe
2744	WerFault.exe
2744	WerFault.exe
2744	WerFault.exe
2744	WerFault.exe
2744	WerFault.exe
2744	WerFault.exe
2744	WerFault.exe
2744	WerFault.exe
644	WerFault.exe
644	WerFault.exe
644	WerFault.exe
644	WerFault.exe
644	WerFault.exe
644	WerFault.exe
644	WerFault.exe
644	WerFault.exe
644	WerFault.exe
644	WerFault.exe
644	WerFault.exe
644	WerFault.exe
644	WerFault.exe
996	WerFault.exe
996	WerFault.exe
996	WerFault.exe
996	WerFault.exe
996	WerFault.exe
996	WerFault.exe
996	WerFault.exe
996	WerFault.exe
996	WerFault.exe
996	WerFault.exe
996	WerFault.exe
996	WerFault.exe
996	WerFault.exe
392	WerFault.exe
392	WerFault.exe
392	WerFault.exe
392	WerFault.exe
392	WerFault.exe
392	WerFault.exe
392	WerFault.exe
392	WerFault.exe
392	WerFault.exe
392	WerFault.exe
392	WerFault.exe
392	WerFault.exe
392	WerFault.exe
1340	WerFault.exe
1340	WerFault.exe
1340	WerFault.exe
1340	WerFault.exe
1340	WerFault.exe
1340	WerFault.exe
1340	WerFault.exe
1340	WerFault.exe
1340	WerFault.exe
1340	WerFault.exe
1340	WerFault.exe
1340	WerFault.exe

Loads dropped DLL 2 IoCs

Processes:

1e20978faf83eef6a9d3f22dc7a2e17e.exe

pid process

4036 1e20978faf83eef6a9d3f22dc7a2e17e.exe
4036 1e20978faf83eef6a9d3f22dc7a2e17e.exe
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware

Data from Local System
T1005

Credentials in Files
T1081

pid	process
4036	1e20978faf83eef6a9d3f22dc7a2e17e.exe
4036	1e20978faf83eef6a9d3f22dc7a2e17e.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

Processes:

1e20978faf83eef6a9d3f22dc7a2e17e.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	1e20978faf83eef6a9d3f22dc7a2e17e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	1e20978faf83eef6a9d3f22dc7a2e17e.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Program crash 10 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	process	target process
2744	4036	WerFault.exe	1e20978faf83eef6a9d3f22dc7a2e17e.exe
644	4036	WerFault.exe	1e20978faf83eef6a9d3f22dc7a2e17e.exe
996	4036	WerFault.exe	1e20978faf83eef6a9d3f22dc7a2e17e.exe
392	4036	WerFault.exe	1e20978faf83eef6a9d3f22dc7a2e17e.exe
1340	4036	WerFault.exe	1e20978faf83eef6a9d3f22dc7a2e17e.exe
1636	4036	WerFault.exe	1e20978faf83eef6a9d3f22dc7a2e17e.exe
2404	4036	WerFault.exe	1e20978faf83eef6a9d3f22dc7a2e17e.exe
68	4036	WerFault.exe	1e20978faf83eef6a9d3f22dc7a2e17e.exe
960	4036	WerFault.exe	1e20978faf83eef6a9d3f22dc7a2e17e.exe
996	4036	WerFault.exe	1e20978faf83eef6a9d3f22dc7a2e17e.exe

Suspicious use of AdjustPrivilegeToken 13 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exetaskkill.exe

description	pid	process
Token: SeRestorePrivilege	2744	WerFault.exe
Token: SeBackupPrivilege	2744	WerFault.exe
Token: SeDebugPrivilege	2744	WerFault.exe
Token: SeDebugPrivilege	644	WerFault.exe
Token: SeDebugPrivilege	996	WerFault.exe
Token: SeDebugPrivilege	392	WerFault.exe
Token: SeDebugPrivilege	1340	WerFault.exe
Token: SeDebugPrivilege	1636	WerFault.exe
Token: SeDebugPrivilege	2404	WerFault.exe
Token: SeDebugPrivilege	68	WerFault.exe
Token: SeDebugPrivilege	960	WerFault.exe
Token: SeDebugPrivilege	996	WerFault.exe
Token: SeDebugPrivilege	1396	taskkill.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1396 taskkill.exe
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

8 ip-api.com

pid	process
1396	taskkill.exe

flow	ioc
8	ip-api.com

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

1e20978faf83eef6a9d3f22dc7a2e17e.execmd.exe

description	pid	process	target process
PID 4036 wrote to memory of 1088	4036	1e20978faf83eef6a9d3f22dc7a2e17e.exe	cmd.exe
PID 4036 wrote to memory of 1088	4036	1e20978faf83eef6a9d3f22dc7a2e17e.exe	cmd.exe
PID 4036 wrote to memory of 1088	4036	1e20978faf83eef6a9d3f22dc7a2e17e.exe	cmd.exe
PID 1088 wrote to memory of 1396	1088	cmd.exe	taskkill.exe
PID 1088 wrote to memory of 1396	1088	cmd.exe	taskkill.exe
PID 1088 wrote to memory of 1396	1088	cmd.exe	taskkill.exe

JavaScript code in executable 1 IoCs

Processes:

resource yara_rule

\ProgramData\nss3.dll js

resource	yara_rule
\ProgramData\nss3.dll	js

C:\Users\Admin\AppData\Local\Temp\1e20978faf83eef6a9d3f22dc7a2e17e.exe
"C:\Users\Admin\AppData\Local\Temp\1e20978faf83eef6a9d3f22dc7a2e17e.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:4036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4036 -s 808
2⤵
- Suspicious behavior: EnumeratesProcesses
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:2744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4036 -s 920
2⤵
- Suspicious behavior: EnumeratesProcesses
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4036 -s 1080
2⤵
- Suspicious behavior: EnumeratesProcesses
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:996

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4036 -s 1140
2⤵
- Suspicious behavior: EnumeratesProcesses
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4036 -s 1180
2⤵
- Suspicious behavior: EnumeratesProcesses
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:1340

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4036 -s 1044
2⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:1636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4036 -s 1292
2⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:2404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4036 -s 1272
2⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:68

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4036 -s 1100
2⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4036 -s 1144
2⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:996

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im 1e20978faf83eef6a9d3f22dc7a2e17e.exe /f & erase C:\Users\Admin\AppData\Local\Temp\1e20978faf83eef6a9d3f22dc7a2e17e.exe & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1088

C:\Windows\SysWOW64\taskkill.exe
taskkill /im 1e20978faf83eef6a9d3f22dc7a2e17e.exe /f
3⤵
- Suspicious use of AdjustPrivilegeToken
- Kills process with taskkill
PID:1396

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

\ProgramData\mozglue.dll

Download Submit
\ProgramData\nss3.dll

Download Submit
memory/68-119-0x0000000004B60000-0x0000000004B61000-memory.dmp

Filesize
4KB

Download
memory/68-116-0x0000000004330000-0x0000000004331000-memory.dmp

Filesize
4KB

Download
memory/392-15-0x0000000004E50000-0x0000000004E51000-memory.dmp

Filesize
4KB

Download
memory/392-18-0x0000000005600000-0x0000000005601000-memory.dmp

Filesize
4KB

Download
memory/644-10-0x0000000004C70000-0x0000000004C71000-memory.dmp

Filesize
4KB

Download
memory/644-7-0x0000000004540000-0x0000000004541000-memory.dmp

Filesize
4KB

Download
memory/960-125-0x0000000004DC0000-0x0000000004DC1000-memory.dmp

Filesize
4KB

Download
memory/960-128-0x00000000056F0000-0x00000000056F1000-memory.dmp

Filesize
4KB

Download
memory/996-11-0x0000000004D80000-0x0000000004D81000-memory.dmp

Filesize
4KB

Download
memory/996-14-0x00000000053B0000-0x00000000053B1000-memory.dmp

Filesize
4KB

Download
memory/996-136-0x00000000059D0000-0x00000000059D1000-memory.dmp

Filesize
4KB

Download
memory/996-133-0x00000000050A0000-0x00000000050A1000-memory.dmp

Filesize
4KB

Download
memory/1088-138-0x0000000000000000-mapping.dmp

Download
memory/1340-21-0x0000000004320000-0x0000000004321000-memory.dmp

Filesize
4KB

Download
memory/1340-24-0x0000000004850000-0x0000000004851000-memory.dmp

Filesize
4KB

Download
memory/1396-139-0x0000000000000000-mapping.dmp

Download
memory/1636-28-0x0000000005250000-0x0000000005251000-memory.dmp

Filesize
4KB

Download
memory/1636-25-0x0000000004D20000-0x0000000004D21000-memory.dmp

Filesize
4KB

Download
memory/2404-38-0x0000000004FB0000-0x0000000004FB1000-memory.dmp

Filesize
4KB

Download
memory/2404-35-0x0000000004880000-0x0000000004881000-memory.dmp

Filesize
4KB

Download
memory/2744-3-0x0000000004800000-0x0000000004801000-memory.dmp

Filesize
4KB

Download
memory/2744-6-0x0000000004F30000-0x0000000004F31000-memory.dmp

Filesize
4KB

Download
memory/2744-4-0x0000000004800000-0x0000000004801000-memory.dmp

Filesize
4KB

Download
memory/4036-1-0x0000000005240000-0x0000000005241000-memory.dmp

Filesize
4KB

Download
memory/4036-2-0x0000000005240000-0x0000000005241000-memory.dmp

Filesize
4KB

Download
memory/4036-0-0x0000000003711000-0x0000000003712000-memory.dmp

Filesize
4KB

Download
memory/4036-137-0x0000000006500000-0x0000000006501000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads