3e3a28251de1027b5b21a8d987ec72a2f38f0a50f2d73d502c525965d4c411fd

Analysis

max time kernel
77s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-12-2024 09:39

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General

Target

3e3a28251de1027b5b21a8d987ec72a2f38f0a50f2d73d502c525965d4c411fd.exe
Size

68KB
MD5

b0589d33167a2f3a585f83ca9d57c172
SHA1

c5256e83894d28c84bd6e2417835028dc2582dac
SHA256

3e3a28251de1027b5b21a8d987ec72a2f38f0a50f2d73d502c525965d4c411fd
SHA512

582cba8de83561b26f4a4c3c738ae4d5411ce312995e58b84d3126019bfeac14fc059b1d4fc62d6b4de67205fadda43cddf9d685590b083ae8cb839cce43f86e
SSDEEP

1536:BRtqbQ/nR6MfVUI9aQXhIf41wt9G+1Cm2tvdZ0CmuJd5:Vz4aVxhB1S1et7Bbd5

Score

7^/10

discovery upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2500	3e3a28251de1027b5b21a8d987ec72a2f38f0a50f2d73d502c525965d4c411fd.exe

Executes dropped EXE 1 IoCs

pid	Process
2500	3e3a28251de1027b5b21a8d987ec72a2f38f0a50f2d73d502c525965d4c411fd.exe

Loads dropped DLL 1 IoCs

pid	Process
2460	3e3a28251de1027b5b21a8d987ec72a2f38f0a50f2d73d502c525965d4c411fd.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2460-0-0x0000000000400000-0x000000000043A000-memory.dmp	upx
behavioral1/files/0x000d0000000141df-10.dat	upx
behavioral1/memory/2500-17-0x0000000000400000-0x000000000043A000-memory.dmp	upx
behavioral1/memory/2460-14-0x00000000002E0000-0x000000000031A000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 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	3e3a28251de1027b5b21a8d987ec72a2f38f0a50f2d73d502c525965d4c411fd.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2460	3e3a28251de1027b5b21a8d987ec72a2f38f0a50f2d73d502c525965d4c411fd.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2460	3e3a28251de1027b5b21a8d987ec72a2f38f0a50f2d73d502c525965d4c411fd.exe
2500	3e3a28251de1027b5b21a8d987ec72a2f38f0a50f2d73d502c525965d4c411fd.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2460 wrote to memory of 2500	2460	3e3a28251de1027b5b21a8d987ec72a2f38f0a50f2d73d502c525965d4c411fd.exe	32
PID 2460 wrote to memory of 2500	2460	3e3a28251de1027b5b21a8d987ec72a2f38f0a50f2d73d502c525965d4c411fd.exe	32
PID 2460 wrote to memory of 2500	2460	3e3a28251de1027b5b21a8d987ec72a2f38f0a50f2d73d502c525965d4c411fd.exe	32
PID 2460 wrote to memory of 2500	2460	3e3a28251de1027b5b21a8d987ec72a2f38f0a50f2d73d502c525965d4c411fd.exe	32

C:\Users\Admin\AppData\Local\Temp\3e3a28251de1027b5b21a8d987ec72a2f38f0a50f2d73d502c525965d4c411fd.exe
"C:\Users\Admin\AppData\Local\Temp\3e3a28251de1027b5b21a8d987ec72a2f38f0a50f2d73d502c525965d4c411fd.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2460
- C:\Users\Admin\AppData\Local\Temp\3e3a28251de1027b5b21a8d987ec72a2f38f0a50f2d73d502c525965d4c411fd.exe
  C:\Users\Admin\AppData\Local\Temp\3e3a28251de1027b5b21a8d987ec72a2f38f0a50f2d73d502c525965d4c411fd.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:2500

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\3e3a28251de1027b5b21a8d987ec72a2f38f0a50f2d73d502c525965d4c411fd.exe

Filesize
68KB

MD5
1f6706f5bc57c75e00d0a0738961dce2

SHA1
9ec6a3dbbface78b5d56a653284193ea9b7b9078

SHA256
8555737ca9458c723bd13f23d6aac40a7e489f8ee63fad693e9e7954bf6b2865

SHA512
02bf856a1431ebd4b2b7eec221a13573df172ceab0c7eee895278229333435aae9b60df1b4832e8d2825149717d3e36c5a793ecc125bbe97b3616beb4ed9efe9

Download Submit
memory/2460-0-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2460-2-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2460-1-0x0000000000030000-0x000000000003E000-memory.dmp

Filesize
56KB

Download
memory/2460-16-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2460-14-0x00000000002E0000-0x000000000031A000-memory.dmp

Filesize
232KB

Download
memory/2500-17-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2500-18-0x0000000000030000-0x000000000003E000-memory.dmp

Filesize
56KB

Download
memory/2500-29-0x0000000000300000-0x000000000031B000-memory.dmp

Filesize
108KB

Download
memory/2500-24-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2500-20-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2500-30-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download