738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48

General

Target

738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
Size

58KB
MD5

5533f0feb5899ab595af53c3dd66507a
SHA1

9203820b601f75146ecbb965852fd6b001002a2a
SHA256

738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48
SHA512

7326ffe25fb04145bb290e9c562dbee62c0262f36f2dde088676f2f6bffb4f00e04651f2bde0fb3e76be468de6aa4dcfca50c9a6a716ca2d5a1792a4be4763fb
SSDEEP

1536:RKLY+dV5AbO4+4UsmhFBsx2GCnLRkIhuiD:RKs+P5cmix2GiLRrui

Score

8^/10

evasion upx

Malware Config

Signatures

Stops running service(s) 3 TTPs
evasion

Modify Existing Service
T1031

Impair Defenses
T1562

Service Stop
T1489

UPX packed file 1 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/32-132-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in System32 directory 9 IoCs

Processes:

738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe

description	ioc	process
File created	C:\Windows\SysWOW64\SOCAAGDT10.dll	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
File created	C:\Windows\SysWOW64\yuksuser.dll	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
File opened for modification	C:\Windows\SysWOW64\yuksuser.dll	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
File created	C:\Windows\SysWOW64\ksuser.dll	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
File created	C:\Windows\SysWOW64\dllcache\midimap.dll	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
File created	C:\Windows\SysWOW64\SOCAAGDT.ime	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
File created	C:\Windows\SysWOW64\yumidimap.dll	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
File created	C:\Windows\SysWOW64\midimap.dll	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
File created	C:\Windows\SysWOW64\dllcache\ksuser.dll	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe

Launches sc.exe 2 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exesc.exe

pid process

1320 sc.exe
4608 sc.exe
Runs net.exe

pid	process
1320	sc.exe
4608	sc.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe

pid	process
32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe

description	pid	process
Token: SeDebugPrivilege	32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
Token: SeDebugPrivilege	32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exenet.exe

description	pid	process	target process
PID 32 wrote to memory of 2532	32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe	Explorer.EXE
PID 32 wrote to memory of 4140	32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe	net.exe
PID 32 wrote to memory of 4140	32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe	net.exe
PID 32 wrote to memory of 4140	32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe	net.exe
PID 32 wrote to memory of 1320	32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe	sc.exe
PID 32 wrote to memory of 1320	32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe	sc.exe
PID 32 wrote to memory of 1320	32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe	sc.exe
PID 32 wrote to memory of 4608	32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe	sc.exe
PID 32 wrote to memory of 4608	32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe	sc.exe
PID 32 wrote to memory of 4608	32	738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe	sc.exe
PID 4140 wrote to memory of 3076	4140	net.exe	net1.exe
PID 4140 wrote to memory of 3076	4140	net.exe	net1.exe
PID 4140 wrote to memory of 3076	4140	net.exe	net1.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:2532

C:\Users\Admin\AppData\Local\Temp\738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe
"C:\Users\Admin\AppData\Local\Temp\738c1f2637aa6d16abe4dab0c9abfc32f51250a2b9be15c086ec4a2671ac3a48.exe"
2⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:32

C:\Windows\SysWOW64\net.exe
net stop cryptsvc
3⤵
- Suspicious use of WriteProcessMemory
PID:4140

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop cryptsvc
4⤵
PID:3076

C:\Windows\SysWOW64\sc.exe
sc config cryptsvc start= disabled
3⤵
- Launches sc.exe
PID:1320

C:\Windows\SysWOW64\sc.exe
sc delete cryptsvc
3⤵
- Launches sc.exe
PID:4608

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Privilege Escalation

Defense Evasion

Impair Defenses

1

T1562

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

1

T1489

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Downloads

memory/32-132-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1320-134-0x0000000000000000-mapping.dmp

Download
memory/3076-136-0x0000000000000000-mapping.dmp

Download
memory/4140-133-0x0000000000000000-mapping.dmp

Download
memory/4608-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads