e2aada4f8c14f09c18977e9bba42233d7cc7575502b379a4f95701658907c962

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
26/12/2023, 14:18

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General

Target

7512aeaabc9121acae31ab38edb2ba61.exe
Size

11KB
MD5

7512aeaabc9121acae31ab38edb2ba61
SHA1

f4a053c6de78f4aea3ecc3ec7e75e5946ffe932f
SHA256

e2aada4f8c14f09c18977e9bba42233d7cc7575502b379a4f95701658907c962
SHA512

770e0f4d6f4d4a60aa3b53d040e89c195da89c50c48d097bc6f46931d3a596214d21d7cd5e8038ceb245015f6208c5917c8a70053341102cb9a3fcdaa4ab0675
SSDEEP

192:nwh85gw7e+gUpY/fFaNJhLkwcud2DH9VwGfctAphgpNfFUJ/j:whA5e+gUp2aNJawcudoD7Uk6z9U1j

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2900	b2e.exe

Loads dropped DLL 5 IoCs

pid	Process
2928	7512aeaabc9121acae31ab38edb2ba61.exe
2928	7512aeaabc9121acae31ab38edb2ba61.exe
2192	WerFault.exe
2192	WerFault.exe
2192	WerFault.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2928-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2928-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process
2192	2900	WerFault.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 2900	2928	7512aeaabc9121acae31ab38edb2ba61.exe	15
PID 2928 wrote to memory of 2900	2928	7512aeaabc9121acae31ab38edb2ba61.exe	15
PID 2928 wrote to memory of 2900	2928	7512aeaabc9121acae31ab38edb2ba61.exe	15
PID 2928 wrote to memory of 2900	2928	7512aeaabc9121acae31ab38edb2ba61.exe	15
PID 2900 wrote to memory of 2192	2900	b2e.exe	14
PID 2900 wrote to memory of 2192	2900	b2e.exe	14
PID 2900 wrote to memory of 2192	2900	b2e.exe	14
PID 2900 wrote to memory of 2192	2900	b2e.exe	14

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 124
1⤵
- Loads dropped DLL
- Program crash
PID:2192

C:\Users\Admin\AppData\Local\Temp\1371.tmp\b2e.exe
"C:\Users\Admin\AppData\Local\Temp\1371.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\1371.tmp\b2e.exe C:\Users\Admin\AppData\Local\Temp "C:\Users\Admin\AppData\Local\Temp\7512aeaabc9121acae31ab38edb2ba61.exe"
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2900

C:\Users\Admin\AppData\Local\Temp\7512aeaabc9121acae31ab38edb2ba61.exe
"C:\Users\Admin\AppData\Local\Temp\7512aeaabc9121acae31ab38edb2ba61.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\1371.tmp\b2e.exe

Filesize
8KB

MD5
7cca02cab1740a2cde4f19401d90b761

SHA1
211aedb45f6285b80b99ac2ab0997ab44c68beed

SHA256
a3c2d58306e634011046cc19f0b26fefd3bb378c4c66d1f8d2df2937eeeeee33

SHA512
6ba424faa5ca129382c0d179dbbb6d45ce28010d8936911b506a16afe1af433c289a5df361a83a50f1e0b470fbae037809416a45f097317a04227cfd49de5ff4

Download Submit
memory/2900-13-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2928-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2928-12-0x00000000022D0000-0x00000000022D5000-memory.dmp

Filesize
20KB

Download
memory/2928-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2928-6-0x00000000022D0000-0x00000000022D5000-memory.dmp

Filesize
20KB

Download
memory/2928-17-0x00000000022D0000-0x00000000022D5000-memory.dmp

Filesize
20KB

Download