26c62f15e70ea272c4a01ed678536d9e80369330ac19c1fdd609201cf9e37a00

General

Target

26c62f15e70ea272c4a01ed678536d9e80369330ac19c1fdd609201cf9e37a00.exe
Size

3.1MB
MD5

bda2f249c96adab88396b07009117860
SHA1

c7bc2b407cbabc4214a19143cc7d871b132ae9ec
SHA256

26c62f15e70ea272c4a01ed678536d9e80369330ac19c1fdd609201cf9e37a00
SHA512

dce4b1eeb5b1725acf9c689901921e9fda028a278f9f1720b7599ec98593063becc37ceee9c380f13d4e6398fb454ecc8ad905bdd815f27bb7058738cb12d824
SSDEEP

98304:lBOk38XrOnlvfgZ4ntMvWKM7vZBJJsn23a:lBRMXqnJgJxMN/J+

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2488	7z SFX Builder.exe

Loads dropped DLL 1 IoCs

pid	Process
2528	26c62f15e70ea272c4a01ed678536d9e80369330ac19c1fdd609201cf9e37a00.exe

UPX packed file 16 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0006000000018bf2-47.dat	upx
behavioral1/memory/2488-52-0x0000000001320000-0x000000000150B000-memory.dmp	upx
behavioral1/memory/2488-55-0x0000000001320000-0x000000000150B000-memory.dmp	upx
behavioral1/memory/2488-57-0x0000000001320000-0x000000000150B000-memory.dmp	upx
behavioral1/memory/2488-59-0x0000000001320000-0x000000000150B000-memory.dmp	upx
behavioral1/memory/2488-60-0x0000000001320000-0x000000000150B000-memory.dmp	upx
behavioral1/memory/2488-61-0x0000000001320000-0x000000000150B000-memory.dmp	upx
behavioral1/memory/2488-62-0x0000000001320000-0x000000000150B000-memory.dmp	upx
behavioral1/memory/2488-63-0x0000000001320000-0x000000000150B000-memory.dmp	upx
behavioral1/memory/2488-64-0x0000000001320000-0x000000000150B000-memory.dmp	upx
behavioral1/memory/2488-65-0x0000000001320000-0x000000000150B000-memory.dmp	upx
behavioral1/memory/2488-66-0x0000000001320000-0x000000000150B000-memory.dmp	upx
behavioral1/memory/2488-67-0x0000000001320000-0x000000000150B000-memory.dmp	upx
behavioral1/memory/2488-68-0x0000000001320000-0x000000000150B000-memory.dmp	upx
behavioral1/memory/2488-69-0x0000000001320000-0x000000000150B000-memory.dmp	upx
behavioral1/memory/2488-70-0x0000000001320000-0x000000000150B000-memory.dmp	upx

AutoIT Executable 14 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2488-55-0x0000000001320000-0x000000000150B000-memory.dmp	autoit_exe
behavioral1/memory/2488-57-0x0000000001320000-0x000000000150B000-memory.dmp	autoit_exe
behavioral1/memory/2488-59-0x0000000001320000-0x000000000150B000-memory.dmp	autoit_exe
behavioral1/memory/2488-60-0x0000000001320000-0x000000000150B000-memory.dmp	autoit_exe
behavioral1/memory/2488-61-0x0000000001320000-0x000000000150B000-memory.dmp	autoit_exe
behavioral1/memory/2488-62-0x0000000001320000-0x000000000150B000-memory.dmp	autoit_exe
behavioral1/memory/2488-63-0x0000000001320000-0x000000000150B000-memory.dmp	autoit_exe
behavioral1/memory/2488-64-0x0000000001320000-0x000000000150B000-memory.dmp	autoit_exe
behavioral1/memory/2488-65-0x0000000001320000-0x000000000150B000-memory.dmp	autoit_exe
behavioral1/memory/2488-66-0x0000000001320000-0x000000000150B000-memory.dmp	autoit_exe
behavioral1/memory/2488-67-0x0000000001320000-0x000000000150B000-memory.dmp	autoit_exe
behavioral1/memory/2488-68-0x0000000001320000-0x000000000150B000-memory.dmp	autoit_exe
behavioral1/memory/2488-69-0x0000000001320000-0x000000000150B000-memory.dmp	autoit_exe
behavioral1/memory/2488-70-0x0000000001320000-0x000000000150B000-memory.dmp	autoit_exe

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	26c62f15e70ea272c4a01ed678536d9e80369330ac19c1fdd609201cf9e37a00.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7z SFX Builder.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2488	7z SFX Builder.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2528	26c62f15e70ea272c4a01ed678536d9e80369330ac19c1fdd609201cf9e37a00.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 2488	2528	26c62f15e70ea272c4a01ed678536d9e80369330ac19c1fdd609201cf9e37a00.exe	29
PID 2528 wrote to memory of 2488	2528	26c62f15e70ea272c4a01ed678536d9e80369330ac19c1fdd609201cf9e37a00.exe	29
PID 2528 wrote to memory of 2488	2528	26c62f15e70ea272c4a01ed678536d9e80369330ac19c1fdd609201cf9e37a00.exe	29
PID 2528 wrote to memory of 2488	2528	26c62f15e70ea272c4a01ed678536d9e80369330ac19c1fdd609201cf9e37a00.exe	29

C:\Users\Admin\AppData\Local\Temp\26c62f15e70ea272c4a01ed678536d9e80369330ac19c1fdd609201cf9e37a00.exe
"C:\Users\Admin\AppData\Local\Temp\26c62f15e70ea272c4a01ed678536d9e80369330ac19c1fdd609201cf9e37a00.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Users\Admin\AppData\Local\Temp\7z SFX Builder\7z SFX Builder.exe
  "C:\Users\Admin\AppData\Local\Temp\7z SFX Builder\7z SFX Builder.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2488

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\7z SFX Builder\Settings.ini

Filesize
1KB

MD5
2a4b9a1fa204a2c142528bb4e06b44b9

SHA1
45f7c4626a927661470c9971391ba2d08deb2cbb

SHA256
34dae08a2a2927156d6493916799b9e8a1f13277a2f619586a2a093691502d49

SHA512
1346a4c8df16443dd6d951b4051891c423fe6bb65c76685ba1716380148a6f59f50f10930e8e3e129830f05939ba293930b4d57a74a51026ab29cf71a78cd4ff

Download Submit
\Users\Admin\AppData\Local\Temp\7z SFX Builder\7z SFX Builder.exe

Filesize
892KB

MD5
98e25a671c5aab57698483cbef12e3a7

SHA1
19b922a815180e1c5104cf6ec556e6ced8ac310a

SHA256
a13de75fc172b513c13a76aa1033580a51ffa5e399cf2cfdf0e49fb34614334e

SHA512
95bac9bded090b049de9833f3b00bddf274450bbc1767f2de341fdff0e1326a8c746eb800bbb71c2c47fa9f54c0923880f8cd317f3b6e3d48f4c64b984b5836e

Download Submit
memory/2488-60-0x0000000001320000-0x000000000150B000-memory.dmp

Filesize
1.9MB

Download
memory/2488-63-0x0000000001320000-0x000000000150B000-memory.dmp

Filesize
1.9MB

Download
memory/2488-55-0x0000000001320000-0x000000000150B000-memory.dmp

Filesize
1.9MB

Download
memory/2488-70-0x0000000001320000-0x000000000150B000-memory.dmp

Filesize
1.9MB

Download
memory/2488-57-0x0000000001320000-0x000000000150B000-memory.dmp

Filesize
1.9MB

Download
memory/2488-59-0x0000000001320000-0x000000000150B000-memory.dmp

Filesize
1.9MB

Download
memory/2488-69-0x0000000001320000-0x000000000150B000-memory.dmp

Filesize
1.9MB

Download
memory/2488-61-0x0000000001320000-0x000000000150B000-memory.dmp

Filesize
1.9MB

Download
memory/2488-62-0x0000000001320000-0x000000000150B000-memory.dmp

Filesize
1.9MB

Download
memory/2488-52-0x0000000001320000-0x000000000150B000-memory.dmp

Filesize
1.9MB

Download
memory/2488-64-0x0000000001320000-0x000000000150B000-memory.dmp

Filesize
1.9MB

Download
memory/2488-65-0x0000000001320000-0x000000000150B000-memory.dmp

Filesize
1.9MB

Download
memory/2488-66-0x0000000001320000-0x000000000150B000-memory.dmp

Filesize
1.9MB

Download
memory/2488-67-0x0000000001320000-0x000000000150B000-memory.dmp

Filesize
1.9MB

Download
memory/2488-68-0x0000000001320000-0x000000000150B000-memory.dmp

Filesize
1.9MB

Download
memory/2528-51-0x0000000003A30000-0x0000000003C1B000-memory.dmp

Filesize
1.9MB

Download
memory/2528-56-0x0000000003A30000-0x0000000003C1B000-memory.dmp

Filesize
1.9MB

Download

Analysis

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