efa6ac55f8dbc8d81f1d82226090b0e7c84fac9a53bf597cbaa6623aff49310d

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
25-04-2024 02:10

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General

Target

efa6ac55f8dbc8d81f1d82226090b0e7c84fac9a53bf597cbaa6623aff49310d.exe
Size

690KB
MD5

bf86a2ca1461479a33c704c80cef8a6b
SHA1

d1e328e1870c5c8b4cf9bf3af2188150c155a637
SHA256

efa6ac55f8dbc8d81f1d82226090b0e7c84fac9a53bf597cbaa6623aff49310d
SHA512

ab4ad977917361feb92122bff68d0bb3a2c8852a6afa78abded5353b2dc59deb8958738420af84e5f0e8630ea6d046e32ba089d25614373a263d173affed05cf
SSDEEP

12288:60oU0UEneHuDY7nCkEPaT24WxsTI8okD70a2ybmDIj8+uu3M6Je0:mxneHuDYukEPAWxsTILkDB247uu39d

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2804 3448 WerFault.exe powershell.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

powershell.exe

pid process

3448 powershell.exe
3448 powershell.exe
3448 powershell.exe
3448 powershell.exe
3448 powershell.exe
3448 powershell.exe
3448 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 3448 powershell.exe

pid	pid_target	process	target process
2804	3448	WerFault.exe	powershell.exe

pid	process
3448	powershell.exe
3448	powershell.exe
3448	powershell.exe
3448	powershell.exe
3448	powershell.exe
3448	powershell.exe
3448	powershell.exe

description	pid	process
Token: SeDebugPrivilege	3448	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

efa6ac55f8dbc8d81f1d82226090b0e7c84fac9a53bf597cbaa6623aff49310d.exepowershell.exe

description	pid	process	target process
PID 4708 wrote to memory of 3448	4708	efa6ac55f8dbc8d81f1d82226090b0e7c84fac9a53bf597cbaa6623aff49310d.exe	powershell.exe
PID 4708 wrote to memory of 3448	4708	efa6ac55f8dbc8d81f1d82226090b0e7c84fac9a53bf597cbaa6623aff49310d.exe	powershell.exe
PID 4708 wrote to memory of 3448	4708	efa6ac55f8dbc8d81f1d82226090b0e7c84fac9a53bf597cbaa6623aff49310d.exe	powershell.exe
PID 3448 wrote to memory of 2652	3448	powershell.exe	cmd.exe
PID 3448 wrote to memory of 2652	3448	powershell.exe	cmd.exe
PID 3448 wrote to memory of 2652	3448	powershell.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\efa6ac55f8dbc8d81f1d82226090b0e7c84fac9a53bf597cbaa6623aff49310d.exe
"C:\Users\Admin\AppData\Local\Temp\efa6ac55f8dbc8d81f1d82226090b0e7c84fac9a53bf597cbaa6623aff49310d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4708

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell.exe" -windowstyle hidden "$vgtige=Get-Content 'C:\Users\Admin\AppData\Local\Temp\rumfangsformlers\mettemaries\Scrubbiest.Chy';$noncongealing=$vgtige.SubString(9350,3);.$noncongealing($vgtige)"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3448

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" "/c set /A 1^^0"
3⤵
PID:2652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3448 -s 2568
3⤵
- Program crash
PID:2804

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3448 -ip 3448
1⤵
PID:3748

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ojn4vrqy.bfa.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\rumfangsformlers\mettemaries\Scrubbiest.Chy
Filesize
57KB

MD5
36f3eda8b46d735a96cb9165b92d06d3

SHA1
5b1a49b1eb273416216d37b658609bbef7476a7f

SHA256
2b3fd293b418e5a6e53a9236a84e66b61e5d2831b19a0618b1fb3333ed8122fa

SHA512
e280860d5d76bd7ebf97f02c4fb539d7349d616ac94dd2f6e3697a96a89afae4a904cca982863655d63fd8057c16201bc977b8f2929623a5940166b5e7180139

Download Submit
memory/3448-9-0x00000000058A0000-0x0000000005EC8000-memory.dmp

Filesize
6.2MB

Download
memory/3448-24-0x0000000006760000-0x00000000067AC000-memory.dmp

Filesize
304KB

Download
memory/3448-6-0x0000000074E80000-0x0000000075630000-memory.dmp

Filesize
7.7MB

Download
memory/3448-10-0x0000000005810000-0x0000000005832000-memory.dmp

Filesize
136KB

Download
memory/3448-11-0x0000000005F40000-0x0000000005FA6000-memory.dmp

Filesize
408KB

Download
memory/3448-12-0x00000000060A0000-0x0000000006106000-memory.dmp

Filesize
408KB

Download
memory/3448-8-0x0000000002D50000-0x0000000002D60000-memory.dmp

Filesize
64KB

Download
memory/3448-22-0x0000000006110000-0x0000000006464000-memory.dmp

Filesize
3.3MB

Download
memory/3448-23-0x00000000066B0000-0x00000000066CE000-memory.dmp

Filesize
120KB

Download
memory/3448-7-0x0000000002D50000-0x0000000002D60000-memory.dmp

Filesize
64KB

Download
memory/3448-25-0x0000000007890000-0x0000000007926000-memory.dmp

Filesize
600KB

Download
memory/3448-27-0x0000000006C20000-0x0000000006C42000-memory.dmp

Filesize
136KB

Download
memory/3448-26-0x0000000006BD0000-0x0000000006BEA000-memory.dmp

Filesize
104KB

Download
memory/3448-28-0x0000000007EE0000-0x0000000008484000-memory.dmp

Filesize
5.6MB

Download
memory/3448-5-0x00000000030F0000-0x0000000003126000-memory.dmp

Filesize
216KB

Download
memory/3448-30-0x0000000008B10000-0x000000000918A000-memory.dmp

Filesize
6.5MB

Download
memory/3448-31-0x0000000074E80000-0x0000000075630000-memory.dmp

Filesize
7.7MB

Download