e6994fbfa1a399eb3b2bdc43a7781c372dafef7852784a6f74bff052b70fa251

General

Target

e6994fbfa1a399eb3b2bdc43a7781c372dafef7852784a6f74bff052b70fa251N.exe
Size

1.8MB
MD5

9629c09dd115b3482c72e19d7bceb440
SHA1

9c9642a1c1261d99df9e5d1fff7e97ce3c629b1f
SHA256

e6994fbfa1a399eb3b2bdc43a7781c372dafef7852784a6f74bff052b70fa251
SHA512

58daa52d2f448eadcf927b368345bea9d8765e3a149e78322467fe9f81b47f5101649ddbd2ebc93ac0afdfa4f93c8cf9c4bc59518dbc0ea74f5b8a75cfde6af1
SSDEEP

24576:9xFYGY9+9d/G7P9lkQ/exnzGn4dLsUvqkaT+0BpCCh+PDedNdUhZuIBWcC2YYtxn:ON26FOnzGn6LJvqkwnpC+mWd6uIccpsi

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2140	irsetup.exe

Loads dropped DLL 5 IoCs

pid	Process
2940	e6994fbfa1a399eb3b2bdc43a7781c372dafef7852784a6f74bff052b70fa251N.exe
2940	e6994fbfa1a399eb3b2bdc43a7781c372dafef7852784a6f74bff052b70fa251N.exe
2940	e6994fbfa1a399eb3b2bdc43a7781c372dafef7852784a6f74bff052b70fa251N.exe
2940	e6994fbfa1a399eb3b2bdc43a7781c372dafef7852784a6f74bff052b70fa251N.exe
2140	irsetup.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0008000000015dc3-3.dat	upx
behavioral1/memory/2940-6-0x00000000033E0000-0x00000000037AB000-memory.dmp	upx
behavioral1/memory/2140-19-0x0000000000400000-0x00000000007CB000-memory.dmp	upx
behavioral1/memory/2140-31-0x0000000000400000-0x00000000007CB000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e6994fbfa1a399eb3b2bdc43a7781c372dafef7852784a6f74bff052b70fa251N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	irsetup.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2140	irsetup.exe
2140	irsetup.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2940 wrote to memory of 2140	2940	e6994fbfa1a399eb3b2bdc43a7781c372dafef7852784a6f74bff052b70fa251N.exe	30
PID 2940 wrote to memory of 2140	2940	e6994fbfa1a399eb3b2bdc43a7781c372dafef7852784a6f74bff052b70fa251N.exe	30
PID 2940 wrote to memory of 2140	2940	e6994fbfa1a399eb3b2bdc43a7781c372dafef7852784a6f74bff052b70fa251N.exe	30
PID 2940 wrote to memory of 2140	2940	e6994fbfa1a399eb3b2bdc43a7781c372dafef7852784a6f74bff052b70fa251N.exe	30
PID 2940 wrote to memory of 2140	2940	e6994fbfa1a399eb3b2bdc43a7781c372dafef7852784a6f74bff052b70fa251N.exe	30
PID 2940 wrote to memory of 2140	2940	e6994fbfa1a399eb3b2bdc43a7781c372dafef7852784a6f74bff052b70fa251N.exe	30
PID 2940 wrote to memory of 2140	2940	e6994fbfa1a399eb3b2bdc43a7781c372dafef7852784a6f74bff052b70fa251N.exe	30

C:\Users\Admin\AppData\Local\Temp\e6994fbfa1a399eb3b2bdc43a7781c372dafef7852784a6f74bff052b70fa251N.exe
"C:\Users\Admin\AppData\Local\Temp\e6994fbfa1a399eb3b2bdc43a7781c372dafef7852784a6f74bff052b70fa251N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2940
- C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe
  "C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe" __IRAOFF:1742194 "__IRAFN:C:\Users\Admin\AppData\Local\Temp\e6994fbfa1a399eb3b2bdc43a7781c372dafef7852784a6f74bff052b70fa251N.exe" "__IRCT:0" "__IRTSS:0" "__IRSID:S-1-5-21-3533259084-2542256011-65585152-1000"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2140

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\lua5.1.dll

Filesize
318KB

MD5
b5fc476c1bf08d5161346cc7dd4cb0ba

SHA1
280fac9cf711d93c95f6b80ac97d89cf5853c096

SHA256
12cb9b8f59c00ef40ea8f28bfc59a29f12dc28332bf44b1a5d8d6a8823365650

SHA512
17fa97f399287b941e958d2d42fe6adb62700b01d9dbe0c824604e8e06d903b330f9d7d8ffb109bfb7f6742f46e7e9cedad6981f0d94d629b8402d0a0174f697

Download Submit
\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe

Filesize
1.3MB

MD5
dec931e86140139380ea0df57cd132b6

SHA1
b717fd548382064189c16cb94dda28b1967a5712

SHA256
5ffd4b20dccfb84c8890abdb780184a7651e760aefba4ab0c6fba5b2a81f97d9

SHA512
14d594e88c4a1f0ec8bc1b4fe2d66e26358f907b1106c047ada35d500ca9e608f1ce5a57599453cf10f11f4d9f1948ced9056ce8bd944b16eca7e9b83e8b27af

Download Submit
memory/2140-19-0x0000000000400000-0x00000000007CB000-memory.dmp

Filesize
3.8MB

Download
memory/2140-31-0x0000000000400000-0x00000000007CB000-memory.dmp

Filesize
3.8MB

Download
memory/2940-6-0x00000000033E0000-0x00000000037AB000-memory.dmp

Filesize
3.8MB

Download
memory/2940-15-0x00000000033E0000-0x00000000037AB000-memory.dmp

Filesize
3.8MB

Download
memory/2940-18-0x00000000033E0000-0x00000000037AB000-memory.dmp

Filesize
3.8MB

Download

Analysis

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