9a119ec39dd275392df608195a7c702acacf38bcbb1d1d7b12aa84acb7a5d2a4

General

Target

9a119ec39dd275392df608195a7c702acacf38bcbb1d1d7b12aa84acb7a5d2a4.exe
Size

47KB
MD5

6c6e9c9f402296784565bedfb1416d44
SHA1

f6914cdbe16cc6563fa89793a979ba8aab3484bb
SHA256

9a119ec39dd275392df608195a7c702acacf38bcbb1d1d7b12aa84acb7a5d2a4
SHA512

3be3e5c8ae08fcc88876aa524f0f9ad838b9e7b377af70d0ede5da3c5ff9703254c839833afc7e9b8dd8a5b88d7b8ff6bdd5161285a7fe84b4be3464254a55c9
SSDEEP

768:hX0gWvCzuw6Uj9uGi45XOPxV5HNWnnnl000e999vddddIyyyOOtttb2222v:6vCzuw6UD9Az5HNWnnn622222v

Score

9^/10

evasion upx

Malware Config

Signatures

Detects Windows executables referencing non-Windows User-Agents 6 IoCs

resource	yara_rule
behavioral2/memory/4760-0-0x0000000000400000-0x0000000000416000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/3756-6-0x0000000000400000-0x0000000000416000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/3756-7-0x0000000000400000-0x0000000000416000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/3756-11-0x0000000000400000-0x0000000000416000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/3756-14-0x0000000000400000-0x0000000000416000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/3756-18-0x0000000000400000-0x0000000000416000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

UPX dump on OEP (original entry point) 7 IoCs

resource	yara_rule
behavioral2/memory/4760-0-0x0000000000400000-0x0000000000416000-memory.dmp	UPX
behavioral2/files/0x0008000000022f51-4.dat	UPX
behavioral2/memory/3756-6-0x0000000000400000-0x0000000000416000-memory.dmp	UPX
behavioral2/memory/3756-7-0x0000000000400000-0x0000000000416000-memory.dmp	UPX
behavioral2/memory/3756-11-0x0000000000400000-0x0000000000416000-memory.dmp	UPX
behavioral2/memory/3756-14-0x0000000000400000-0x0000000000416000-memory.dmp	UPX
behavioral2/memory/3756-18-0x0000000000400000-0x0000000000416000-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
764	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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	9a119ec39dd275392df608195a7c702acacf38bcbb1d1d7b12aa84acb7a5d2a4.exe

Executes dropped EXE 1 IoCs

pid	Process
3756	puehost.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4760-0-0x0000000000400000-0x0000000000416000-memory.dmp	upx
behavioral2/files/0x0008000000022f51-4.dat	upx
behavioral2/memory/3756-6-0x0000000000400000-0x0000000000416000-memory.dmp	upx
behavioral2/memory/3756-7-0x0000000000400000-0x0000000000416000-memory.dmp	upx
behavioral2/memory/3756-11-0x0000000000400000-0x0000000000416000-memory.dmp	upx
behavioral2/memory/3756-14-0x0000000000400000-0x0000000000416000-memory.dmp	upx
behavioral2/memory/3756-18-0x0000000000400000-0x0000000000416000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Debug\puehost.exe	9a119ec39dd275392df608195a7c702acacf38bcbb1d1d7b12aa84acb7a5d2a4.exe
File opened for modification	C:\Windows\Debug\puehost.exe	9a119ec39dd275392df608195a7c702acacf38bcbb1d1d7b12aa84acb7a5d2a4.exe
File opened for modification	C:\Windows\Debug\puehost.exe	attrib.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	4760	9a119ec39dd275392df608195a7c702acacf38bcbb1d1d7b12aa84acb7a5d2a4.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4760 wrote to memory of 764	4760	9a119ec39dd275392df608195a7c702acacf38bcbb1d1d7b12aa84acb7a5d2a4.exe	81
PID 4760 wrote to memory of 764	4760	9a119ec39dd275392df608195a7c702acacf38bcbb1d1d7b12aa84acb7a5d2a4.exe	81
PID 4760 wrote to memory of 764	4760	9a119ec39dd275392df608195a7c702acacf38bcbb1d1d7b12aa84acb7a5d2a4.exe	81
PID 4760 wrote to memory of 2232	4760	9a119ec39dd275392df608195a7c702acacf38bcbb1d1d7b12aa84acb7a5d2a4.exe	87
PID 4760 wrote to memory of 2232	4760	9a119ec39dd275392df608195a7c702acacf38bcbb1d1d7b12aa84acb7a5d2a4.exe	87
PID 4760 wrote to memory of 2232	4760	9a119ec39dd275392df608195a7c702acacf38bcbb1d1d7b12aa84acb7a5d2a4.exe	87

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
764	attrib.exe

C:\Users\Admin\AppData\Local\Temp\9a119ec39dd275392df608195a7c702acacf38bcbb1d1d7b12aa84acb7a5d2a4.exe
"C:\Users\Admin\AppData\Local\Temp\9a119ec39dd275392df608195a7c702acacf38bcbb1d1d7b12aa84acb7a5d2a4.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4760
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\puehost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - Views/modifies file attributes
  PID:764
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\9A119E~1.EXE > nul
  2⤵
  PID:2232

C:\Windows\Debug\puehost.exe
C:\Windows\Debug\puehost.exe
1⤵
- Executes dropped EXE
PID:3756

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

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Downloads

C:\Windows\Debug\puehost.exe

Filesize
47KB

MD5
be39be0e1e6556391adf43224ec1fbb4

SHA1
99984d4ef1b142c3e2eeddba7f3d26378988383b

SHA256
5b50a8e25211792b87dbf901c02cce513d643398748d47cb6e066e8cb73451f4

SHA512
0e8c38aad1003ba635004e518fa5fabe32af1a9674fd675bb5eaa8f37af0d48dedf3417df29871f6d0c156d63262ef4e9cb94349fe60cf4c351aa9097ca7e2f6

Download Submit
memory/3756-6-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3756-7-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3756-11-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3756-14-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3756-18-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4760-0-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads