4ef6108f321f76f193c7baf20bc796bfc390e366ac0d4b970d1058200e09a56f

General

Target

4ef6108f321f76f193c7baf20bc796bfc390e366ac0d4b970d1058200e09a56f.exe
Size

4.8MB
MD5

c0329c0e18c26522384226fa29286299
SHA1

122695ef8988a5d82bc40e38d5589192fa86e27e
SHA256

4ef6108f321f76f193c7baf20bc796bfc390e366ac0d4b970d1058200e09a56f
SHA512

40c7ca5047caa00df0c4d5003ab306cc9027819722c400570cece03c16a5ae4dd0d0d2c02edb6f195513a25a64fa58cee76b41e057638a5d1ea8b3da59f764ca
SSDEEP

98304:i1CnMSXP+zIUs8SoxxlFvITIkz5hcT/96nKJtKIwQPoE9:2YH/+zFGoL/ahyVJXwQAW

Score

7^/10

upx

Malware Config

Signatures

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

Processes:

4ef6108f321f76f193c7baf20bc796bfc390e366ac0d4b970d1058200e09a56f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation	4ef6108f321f76f193c7baf20bc796bfc390e366ac0d4b970d1058200e09a56f.exe

Executes dropped EXE 2 IoCs

Processes:

@t.exe1.exe

pid process

4388 @t.exe
2428 1.exe

pid	process
4388	@t.exe
2428	1.exe

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4388-34-0x0000000180000000-0x0000000180218000-memory.dmp	upx
behavioral2/memory/4388-35-0x0000000180000000-0x0000000180218000-memory.dmp	upx
behavioral2/memory/4388-33-0x0000000180000000-0x0000000180218000-memory.dmp	upx

Drops file in Program Files directory 5 IoCs

Processes:

4ef6108f321f76f193c7baf20bc796bfc390e366ac0d4b970d1058200e09a56f.exe

description	ioc	process
File created	C:\Program Files\1.exe	4ef6108f321f76f193c7baf20bc796bfc390e366ac0d4b970d1058200e09a56f.exe
File opened for modification	C:\Program Files\1.exe	4ef6108f321f76f193c7baf20bc796bfc390e366ac0d4b970d1058200e09a56f.exe
File created	C:\Program Files\__tmp_rar_sfx_access_check_240599656	4ef6108f321f76f193c7baf20bc796bfc390e366ac0d4b970d1058200e09a56f.exe
File created	C:\Program Files\@t.exe	4ef6108f321f76f193c7baf20bc796bfc390e366ac0d4b970d1058200e09a56f.exe
File opened for modification	C:\Program Files\@t.exe	4ef6108f321f76f193c7baf20bc796bfc390e366ac0d4b970d1058200e09a56f.exe

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

System Information Discovery
T1082

Modifies registry class 18 IoCs

Processes:

@t.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\STMEditor.Document\shell\printto\command	@t.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\STMEditor.Document\shell\printto	@t.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\STMEditor.Document\shell\printto\command\ = "C:\\PROGRA~1\\@t.exe /pt \"%1\" \"%2\" \"%3\" \"%4\""	@t.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.stm\ = "STMEditor.Document"	@t.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\STMEditor.Document\DefaultIcon	@t.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\STMEditor.Document\shell\open\command	@t.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\STMEditor.Document\shell	@t.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\STMEditor.Document\shell\open\command\ = "C:\\PROGRA~1\\@t.exe \"%1\""	@t.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.stm\ShellNew	@t.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\STMEditor.Document\shell\print\command\ = "C:\\PROGRA~1\\@t.exe /p \"%1\""	@t.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\STMEditor.Document	@t.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\STMEditor.Document\ = "STMEdi Document"	@t.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\STMEditor.Document\DefaultIcon\ = "C:\\PROGRA~1\\@t.exe,1"	@t.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\STMEditor.Document\shell\print\command	@t.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\STMEditor.Document\shell\print	@t.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.stm	@t.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.stm\ShellNew\NullFile	@t.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\STMEditor.Document\shell\open	@t.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

1.exe

pid process

2428 1.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

@t.exe

pid process

4388 @t.exe
4388 @t.exe
4388 @t.exe

pid	process
2428	1.exe

pid	process
4388	@t.exe
4388	@t.exe
4388	@t.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

4ef6108f321f76f193c7baf20bc796bfc390e366ac0d4b970d1058200e09a56f.exe

description	pid	process	target process
PID 880 wrote to memory of 4388	880	4ef6108f321f76f193c7baf20bc796bfc390e366ac0d4b970d1058200e09a56f.exe	@t.exe
PID 880 wrote to memory of 4388	880	4ef6108f321f76f193c7baf20bc796bfc390e366ac0d4b970d1058200e09a56f.exe	@t.exe
PID 880 wrote to memory of 2428	880	4ef6108f321f76f193c7baf20bc796bfc390e366ac0d4b970d1058200e09a56f.exe	1.exe
PID 880 wrote to memory of 2428	880	4ef6108f321f76f193c7baf20bc796bfc390e366ac0d4b970d1058200e09a56f.exe	1.exe

C:\Users\Admin\AppData\Local\Temp\4ef6108f321f76f193c7baf20bc796bfc390e366ac0d4b970d1058200e09a56f.exe
"C:\Users\Admin\AppData\Local\Temp\4ef6108f321f76f193c7baf20bc796bfc390e366ac0d4b970d1058200e09a56f.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:880
- C:\Program Files\@t.exe
  "C:\Program Files\@t.exe"
  2⤵
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  PID:4388
- C:\Program Files\1.exe
  "C:\Program Files\1.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of FindShellTrayWindow
  PID:2428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\1.exe

Filesize
4.2MB

MD5
6cbacbdb55d4593a15f535ee3216bd5f

SHA1
3c9993aa5f35021988b0eb5cc45b2be7add73f87

SHA256
d5bcb75b44c43546653fa68bbcb8bb43815046f9f4a7e542d0e5d4f2bafe648f

SHA512
5ce36661b6d72b92e240df0a796e91d34385d94c5642e69180df6ef0599ee09931549e22d43ddf07dbdbe61dc5dc61ecac28de2f952e97488413ce91246dc376

Download Submit
C:\Program Files\@t.exe

Filesize
5.9MB

MD5
d46b51a17ba5f6156d8be6b4333b5bbc

SHA1
7930ef98c114a04f66813fc4e54e75950ebc080f

SHA256
81c65a2dae639865de22c7f8baffd939bcebc1c19fe17d6409c9165dd6bf7de9

SHA512
8a0932a3f7c57e42f425b736afe5d9957fa2c347de5d897a7eca89ec7cb219c6aea44f018b6200b5184929b7f28c9a4023ac8d3f82609aed89aba0cf87746508

Download Submit
memory/2428-24-0x0000000000D60000-0x000000000119A000-memory.dmp

Filesize
4.2MB

Download
memory/2428-25-0x00007FF8F4050000-0x00007FF8F4072000-memory.dmp

Filesize
136KB

Download
memory/2428-32-0x0000000003250000-0x000000000326A000-memory.dmp

Filesize
104KB

Download
memory/4388-34-0x0000000180000000-0x0000000180218000-memory.dmp

Filesize
2.1MB

Download
memory/4388-35-0x0000000180000000-0x0000000180218000-memory.dmp

Filesize
2.1MB

Download
memory/4388-33-0x0000000180000000-0x0000000180218000-memory.dmp

Filesize
2.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads