b51d1807c59efbfa842f7cffe61b9c54f412717fb1a535050765da597de5a4b5

General

Target

b51d1807c59efbfa842f7cffe61b9c54f412717fb1a535050765da597de5a4b5.exe
Size

78KB
MD5

7aa2823bcc3a1b0c7ae1ac82d041ea66
SHA1

6d361be5ee331611b3f7cd9103843a936cb45a9f
SHA256

b51d1807c59efbfa842f7cffe61b9c54f412717fb1a535050765da597de5a4b5
SHA512

04ed4a212529c90db8876c7828ab876e7ffbcd459120b76811bfecb3a0061c0d8054f33d7115b563e7b4ce23a0e680ae3777e3e0a9ddbfcb4214a3af8f9ea785
SSDEEP

1536:R5jSAXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtC67Q9/N01DG:R5jS4SyRxvhTzXPvCbW2UjQ9/x

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2908	tmpBBE0.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
2908	tmpBBE0.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
1040	b51d1807c59efbfa842f7cffe61b9c54f412717fb1a535050765da597de5a4b5.exe
1040	b51d1807c59efbfa842f7cffe61b9c54f412717fb1a535050765da597de5a4b5.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmpBBE0.tmp.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 4 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	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmpBBE0.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b51d1807c59efbfa842f7cffe61b9c54f412717fb1a535050765da597de5a4b5.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1040	b51d1807c59efbfa842f7cffe61b9c54f412717fb1a535050765da597de5a4b5.exe
Token: SeDebugPrivilege	2908	tmpBBE0.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1040 wrote to memory of 3008	1040	b51d1807c59efbfa842f7cffe61b9c54f412717fb1a535050765da597de5a4b5.exe	30
PID 1040 wrote to memory of 3008	1040	b51d1807c59efbfa842f7cffe61b9c54f412717fb1a535050765da597de5a4b5.exe	30
PID 1040 wrote to memory of 3008	1040	b51d1807c59efbfa842f7cffe61b9c54f412717fb1a535050765da597de5a4b5.exe	30
PID 1040 wrote to memory of 3008	1040	b51d1807c59efbfa842f7cffe61b9c54f412717fb1a535050765da597de5a4b5.exe	30
PID 3008 wrote to memory of 2764	3008	vbc.exe	32
PID 3008 wrote to memory of 2764	3008	vbc.exe	32
PID 3008 wrote to memory of 2764	3008	vbc.exe	32
PID 3008 wrote to memory of 2764	3008	vbc.exe	32
PID 1040 wrote to memory of 2908	1040	b51d1807c59efbfa842f7cffe61b9c54f412717fb1a535050765da597de5a4b5.exe	33
PID 1040 wrote to memory of 2908	1040	b51d1807c59efbfa842f7cffe61b9c54f412717fb1a535050765da597de5a4b5.exe	33
PID 1040 wrote to memory of 2908	1040	b51d1807c59efbfa842f7cffe61b9c54f412717fb1a535050765da597de5a4b5.exe	33
PID 1040 wrote to memory of 2908	1040	b51d1807c59efbfa842f7cffe61b9c54f412717fb1a535050765da597de5a4b5.exe	33

C:\Users\Admin\AppData\Local\Temp\b51d1807c59efbfa842f7cffe61b9c54f412717fb1a535050765da597de5a4b5.exe
"C:\Users\Admin\AppData\Local\Temp\b51d1807c59efbfa842f7cffe61b9c54f412717fb1a535050765da597de5a4b5.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1040
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\7j-ccddv.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3008
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESBF89.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcBF78.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2764
- C:\Users\Admin\AppData\Local\Temp\tmpBBE0.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpBBE0.tmp.exe" C:\Users\Admin\AppData\Local\Temp\b51d1807c59efbfa842f7cffe61b9c54f412717fb1a535050765da597de5a4b5.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2908

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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\7j-ccddv.0.vb

Filesize
14KB

MD5
90ee285330a0a5818ed77c04af20cec8

SHA1
8cd038701762d7472f6c9311a1dbcd2eebc3b6f6

SHA256
7ea4e5d76a71ce96b94c2debcc1fed762aa316bc9c6770aea73fed23ad304c19

SHA512
ca89c90174e50dafc37a1174c576236b456dcf3d31480637abf24d6a7d2382906c8a82ab5d367c1f88d353cdfb603093ca786f1c9153f2fe61106a486f202acf

Download Submit
C:\Users\Admin\AppData\Local\Temp\7j-ccddv.cmdline

Filesize
266B

MD5
9f38296e70335340aa5d4f92a8494b15

SHA1
3f8cb880b783c43e0b01a6121730ff081483a29f

SHA256
681feec64fc3366e8e2f1f477aef89d1d8d525a57b7982da6e1c1cbe07b8d235

SHA512
5aa94ff0900a3df4050dd054c4b8bcf379366ed6bb02d1ae9996d7f86546b63c491bdeb3032d6a6aaa65930aa0b02f032198fa277fc16d0e08225f79e65958af

Download Submit
C:\Users\Admin\AppData\Local\Temp\RESBF89.tmp

Filesize
1KB

MD5
5000d8eed18242ff34932eef34665564

SHA1
c4e85f2342ab0b06997cad6e04cd34e6981ebf98

SHA256
fd167b12b0c0a157d491221c4c2e9caead4b1cb401eba5a1abd51a9936857bd6

SHA512
f0ecb23fc706413818551dfdfa73299daad3564c0c6d0a903242e835048913e557dd54131afde20d424fa0b5a7591ddb10c88c58ac2e6f997801c84e8b577610

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpBBE0.tmp.exe

Filesize
78KB

MD5
bea343fba579fa53421034bbbb93d221

SHA1
508b4f6b2a4145c59f4586bf3822c0285d82df66

SHA256
af3021973ffc974120ce82aae97d7f92bad2cf80113db250f639cc84bfd6013a

SHA512
09b92e9b379cda1f5080f43cce11184ad1fdd7ea5883096771936b2e0ef47da16bb1fbd907fea2227d7844d9cefaec9b1eb124f88a83fd5b9ed8670b6007f04e

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcBF78.tmp

Filesize
660B

MD5
e06e61e6eadf0b8f3d2071201e5980c1

SHA1
9d5df465fe0bbeaa72a78909d3a2bf4569ce32ba

SHA256
c11f719701eb002b411008a1e9bf53862ba9c76b424ac6ab1b5edfe0a264b289

SHA512
5ab48b528c57324de3a9f67acd41e09c1f7a475f33fbdbba2ed80ce650d7668b0dfdb7c8c77f1d94de628b62b5901d1b35f98b8611327d983fd021f19736eb2e

Download Submit
C:\Users\Admin\AppData\Local\Temp\zCom.resources

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/1040-0-0x0000000074441000-0x0000000074442000-memory.dmp

Filesize
4KB

Download
memory/1040-1-0x0000000074440000-0x00000000749EB000-memory.dmp

Filesize
5.7MB

Download
memory/1040-2-0x0000000074440000-0x00000000749EB000-memory.dmp

Filesize
5.7MB

Download
memory/1040-23-0x0000000074440000-0x00000000749EB000-memory.dmp

Filesize
5.7MB

Download
memory/3008-8-0x0000000074440000-0x00000000749EB000-memory.dmp

Filesize
5.7MB

Download
memory/3008-18-0x0000000074440000-0x00000000749EB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads