3f51defddcc6ccf6cd1bc06fc9a1f3fc5b0236e6f87f868f95eca3612eae2c5a

General

Target

3f51defddcc6ccf6cd1bc06fc9a1f3fc5b0236e6f87f868f95eca3612eae2c5a.exe
Size

57KB
MD5

f535c20df83f112e7c049d6f32e958e2
SHA1

6ceccecabebfe757a04b312557d21261dd8e9bec
SHA256

3f51defddcc6ccf6cd1bc06fc9a1f3fc5b0236e6f87f868f95eca3612eae2c5a
SHA512

7a6246fef5fe59b83bc5384c131c673c03a945270439123d0f2b73d838c3cb17d552820ca2e13a5efb2e6ddd405f2479dd3f5ed72f63955552a233e21ddc33b9
SSDEEP

768:mrItKyw5WHXfQmjIiIk9ecAaU896KyXmuJrjTg+5lPulv:mr3Z5IfQmv81aU85yXmIjTg42

Score

9^/10

evasion upx

Malware Config

Signatures

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

resource	yara_rule
behavioral2/memory/1252-0-0x0000000000400000-0x0000000000414000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/files/0x000800000002334c-4.dat	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/1252-5-0x0000000000400000-0x0000000000414000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/3160-6-0x0000000000400000-0x0000000000414000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral2/memory/1252-0-0x0000000000400000-0x0000000000414000-memory.dmp	UPX
behavioral2/files/0x000800000002334c-4.dat	UPX
behavioral2/memory/1252-5-0x0000000000400000-0x0000000000414000-memory.dmp	UPX
behavioral2/memory/3160-6-0x0000000000400000-0x0000000000414000-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
380	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-1-5-21-553605503-2331009851-2137262461-1000\Control Panel\International\Geo\Nation	3f51defddcc6ccf6cd1bc06fc9a1f3fc5b0236e6f87f868f95eca3612eae2c5a.exe

Executes dropped EXE 1 IoCs

pid	Process
3160	jqahost.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1252-0-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/files/0x000800000002334c-4.dat	upx
behavioral2/memory/1252-5-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3160-6-0x0000000000400000-0x0000000000414000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Debug\jqahost.exe	3f51defddcc6ccf6cd1bc06fc9a1f3fc5b0236e6f87f868f95eca3612eae2c5a.exe
File opened for modification	C:\Windows\Debug\jqahost.exe	3f51defddcc6ccf6cd1bc06fc9a1f3fc5b0236e6f87f868f95eca3612eae2c5a.exe
File opened for modification	C:\Windows\Debug\jqahost.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	1252	3f51defddcc6ccf6cd1bc06fc9a1f3fc5b0236e6f87f868f95eca3612eae2c5a.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1252 wrote to memory of 380	1252	3f51defddcc6ccf6cd1bc06fc9a1f3fc5b0236e6f87f868f95eca3612eae2c5a.exe	82
PID 1252 wrote to memory of 380	1252	3f51defddcc6ccf6cd1bc06fc9a1f3fc5b0236e6f87f868f95eca3612eae2c5a.exe	82
PID 1252 wrote to memory of 380	1252	3f51defddcc6ccf6cd1bc06fc9a1f3fc5b0236e6f87f868f95eca3612eae2c5a.exe	82
PID 1252 wrote to memory of 4756	1252	3f51defddcc6ccf6cd1bc06fc9a1f3fc5b0236e6f87f868f95eca3612eae2c5a.exe	86
PID 1252 wrote to memory of 4756	1252	3f51defddcc6ccf6cd1bc06fc9a1f3fc5b0236e6f87f868f95eca3612eae2c5a.exe	86
PID 1252 wrote to memory of 4756	1252	3f51defddcc6ccf6cd1bc06fc9a1f3fc5b0236e6f87f868f95eca3612eae2c5a.exe	86

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
380	attrib.exe

C:\Users\Admin\AppData\Local\Temp\3f51defddcc6ccf6cd1bc06fc9a1f3fc5b0236e6f87f868f95eca3612eae2c5a.exe
"C:\Users\Admin\AppData\Local\Temp\3f51defddcc6ccf6cd1bc06fc9a1f3fc5b0236e6f87f868f95eca3612eae2c5a.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1252
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\jqahost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - Views/modifies file attributes
  PID:380
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\3F51DE~1.EXE > nul
  2⤵
  PID:4756

C:\Windows\Debug\jqahost.exe
C:\Windows\Debug\jqahost.exe
1⤵
- Executes dropped EXE
PID:3160

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\jqahost.exe

Filesize
57KB

MD5
139bdb3a7232afef7064fe9809cdf5ca

SHA1
62b02ac0d9ed8e6cc4f10f05c4780db8a089469b

SHA256
2e70684afb10fc449725c5ba4be2d10b9df2ef6a6c9d71796ed6d81bca8dfdc1

SHA512
4674dfbdd82535eabb650d57dc14691ce3920b9e45ea1613bfa6c7edd4429ace2042072698e34a4174c3cbe56d3d9eb55ce89ac141e61f31176c3913d81e66e3

Download Submit
memory/1252-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1252-5-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3160-6-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads