239a145066beb4635d484e7071587174406d9f90b85bccdb8176e70210eac8ab

General

Target

239a145066beb4635d484e7071587174406d9f90b85bccdb8176e70210eac8ab.exe
Size

59KB
MD5

9642cdbed8cbe95aecd3f3bfa300cb79
SHA1

fc2bd4fbed62228fcf795522d374399749bbcb20
SHA256

239a145066beb4635d484e7071587174406d9f90b85bccdb8176e70210eac8ab
SHA512

056a0f37acbf7759eeacd7542bbfde2da46971b1de215e98224e52a23f50358e766f7c509faa20c6d2df9338532217747592889b943fb0d3aa965e1304c924dd
SSDEEP

768:mrItKyw5WHXfQmjIiIk9ecAaU896KyXmuJrjTg+5lPulnp:mr3Z5IfQmv81aU85yXmIjTg4Mp

Score

9^/10

evasion upx

Malware Config

Signatures

Detects Windows executables referencing non-Windows User-Agents 4 IoCs

resource	yara_rule
behavioral2/memory/4956-0-0x0000000000400000-0x0000000000414000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/files/0x0006000000022fa8-3.dat	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/4688-5-0x0000000000400000-0x0000000000414000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/4688-6-0x0000000000400000-0x0000000000414000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral2/memory/4956-0-0x0000000000400000-0x0000000000414000-memory.dmp	UPX
behavioral2/files/0x0006000000022fa8-3.dat	UPX
behavioral2/memory/4688-5-0x0000000000400000-0x0000000000414000-memory.dmp	UPX
behavioral2/memory/4688-6-0x0000000000400000-0x0000000000414000-memory.dmp	UPX

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
1764	attrib.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation	239a145066beb4635d484e7071587174406d9f90b85bccdb8176e70210eac8ab.exe

Executes dropped EXE 1 IoCs

pid	Process
4688	gsqhost.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4956-0-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/files/0x0006000000022fa8-3.dat	upx
behavioral2/memory/4688-5-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4688-6-0x0000000000400000-0x0000000000414000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Debug\gsqhost.exe	attrib.exe
File created	C:\Windows\Debug\gsqhost.exe	239a145066beb4635d484e7071587174406d9f90b85bccdb8176e70210eac8ab.exe
File opened for modification	C:\Windows\Debug\gsqhost.exe	239a145066beb4635d484e7071587174406d9f90b85bccdb8176e70210eac8ab.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4956	239a145066beb4635d484e7071587174406d9f90b85bccdb8176e70210eac8ab.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4956 wrote to memory of 1764	4956	239a145066beb4635d484e7071587174406d9f90b85bccdb8176e70210eac8ab.exe	80
PID 4956 wrote to memory of 1764	4956	239a145066beb4635d484e7071587174406d9f90b85bccdb8176e70210eac8ab.exe	80
PID 4956 wrote to memory of 1764	4956	239a145066beb4635d484e7071587174406d9f90b85bccdb8176e70210eac8ab.exe	80
PID 4956 wrote to memory of 804	4956	239a145066beb4635d484e7071587174406d9f90b85bccdb8176e70210eac8ab.exe	83
PID 4956 wrote to memory of 804	4956	239a145066beb4635d484e7071587174406d9f90b85bccdb8176e70210eac8ab.exe	83
PID 4956 wrote to memory of 804	4956	239a145066beb4635d484e7071587174406d9f90b85bccdb8176e70210eac8ab.exe	83

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1764	attrib.exe

C:\Users\Admin\AppData\Local\Temp\239a145066beb4635d484e7071587174406d9f90b85bccdb8176e70210eac8ab.exe
"C:\Users\Admin\AppData\Local\Temp\239a145066beb4635d484e7071587174406d9f90b85bccdb8176e70210eac8ab.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4956
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\gsqhost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - Views/modifies file attributes
  PID:1764
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\239A14~1.EXE > nul
  2⤵
  PID:804

C:\Windows\Debug\gsqhost.exe
C:\Windows\Debug\gsqhost.exe
1⤵
- Executes dropped EXE
PID:4688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

2

T1564

Hidden Files and Directories

2

T1564.001

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\debug\gsqhost.exe

Filesize
59KB

MD5
7bfa403a77fdf5392e7e137c4f7e5693

SHA1
bdd2220c4fdf3adc2c05770f417f732f4bf626a6

SHA256
6c1834460731068de63de1934da8c5593f7f9a5e4ecaed4d0e053542f4a700bc

SHA512
32f5d1712638e3d502ddf5fd699753632249f19fe39ea22c198516a6f4148b5a2edbff04ee3b3990646f39e58e1927e40169e809f42e48b011d4093d69269fec

Download Submit
memory/4688-5-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4688-6-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4956-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads