def720a02e55e8ff8aa11267da8be2ac332a17b8cb3cd8845d445dc60b90a09e

General

Target

def720a02e55e8ff8aa11267da8be2ac332a17b8cb3cd8845d445dc60b90a09e.exe
Size

78KB
MD5

cc94c181742ef5fa9c0b81f11c26b1af
SHA1

462b0760cad3761776eab20fd59e35844d103ee9
SHA256

def720a02e55e8ff8aa11267da8be2ac332a17b8cb3cd8845d445dc60b90a09e
SHA512

a15173f9385a1da5b5f72dd1da725aa92556caf784636e5870e6264a35496a177d326d718792a435fb6ca6240292815acd5e4415358bfe29caf2363093407fca
SSDEEP

1536:MRy5jIXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtN609/i1k/:MRy5jQSyRxvhTzXPvCbW2U79/Z

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
748	tmp435.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2720	def720a02e55e8ff8aa11267da8be2ac332a17b8cb3cd8845d445dc60b90a09e.exe
2720	def720a02e55e8ff8aa11267da8be2ac332a17b8cb3cd8845d445dc60b90a09e.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\""	tmp435.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	def720a02e55e8ff8aa11267da8be2ac332a17b8cb3cd8845d445dc60b90a09e.exe
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	tmp435.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2720	def720a02e55e8ff8aa11267da8be2ac332a17b8cb3cd8845d445dc60b90a09e.exe
Token: SeDebugPrivilege	748	tmp435.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2720 wrote to memory of 1960	2720	def720a02e55e8ff8aa11267da8be2ac332a17b8cb3cd8845d445dc60b90a09e.exe	29
PID 2720 wrote to memory of 1960	2720	def720a02e55e8ff8aa11267da8be2ac332a17b8cb3cd8845d445dc60b90a09e.exe	29
PID 2720 wrote to memory of 1960	2720	def720a02e55e8ff8aa11267da8be2ac332a17b8cb3cd8845d445dc60b90a09e.exe	29
PID 2720 wrote to memory of 1960	2720	def720a02e55e8ff8aa11267da8be2ac332a17b8cb3cd8845d445dc60b90a09e.exe	29
PID 1960 wrote to memory of 2852	1960	vbc.exe	31
PID 1960 wrote to memory of 2852	1960	vbc.exe	31
PID 1960 wrote to memory of 2852	1960	vbc.exe	31
PID 1960 wrote to memory of 2852	1960	vbc.exe	31
PID 2720 wrote to memory of 748	2720	def720a02e55e8ff8aa11267da8be2ac332a17b8cb3cd8845d445dc60b90a09e.exe	32
PID 2720 wrote to memory of 748	2720	def720a02e55e8ff8aa11267da8be2ac332a17b8cb3cd8845d445dc60b90a09e.exe	32
PID 2720 wrote to memory of 748	2720	def720a02e55e8ff8aa11267da8be2ac332a17b8cb3cd8845d445dc60b90a09e.exe	32
PID 2720 wrote to memory of 748	2720	def720a02e55e8ff8aa11267da8be2ac332a17b8cb3cd8845d445dc60b90a09e.exe	32

C:\Users\Admin\AppData\Local\Temp\def720a02e55e8ff8aa11267da8be2ac332a17b8cb3cd8845d445dc60b90a09e.exe
"C:\Users\Admin\AppData\Local\Temp\def720a02e55e8ff8aa11267da8be2ac332a17b8cb3cd8845d445dc60b90a09e.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2720
- 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\4nmdt4zg.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1960
- - 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\RES704.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc703.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2852
- C:\Users\Admin\AppData\Local\Temp\tmp435.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp435.tmp.exe" C:\Users\Admin\AppData\Local\Temp\def720a02e55e8ff8aa11267da8be2ac332a17b8cb3cd8845d445dc60b90a09e.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:748

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\4nmdt4zg.0.vb

Filesize
14KB

MD5
c8faa459d0064dfc4d80e01d71c8a166

SHA1
c441a03fd7bcfc8b63a8f1270f06652bd2c20dca

SHA256
42028130db05a9f188e79a587a2bd6ee7c44ccafbbe40234209220549785a3d2

SHA512
eb552bec40fa66891361924a8a28823e341631ed2330d7c535ea0628b04387ed673a85a4e715af63b7bb0595ca08ca4338b01d5f5c01645b8c19337c690fb8c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\4nmdt4zg.cmdline

Filesize
265B

MD5
e649385a7ecdd06f4c8bb698e992aa83

SHA1
33279ebdacdf3979ca433934120af8a989e1c0c6

SHA256
2a07f4fcb15c567fcbd43f427323ed6b4e8ed8fd14466e5e5f23f0a9f5701c93

SHA512
46af7e0f25d415c8b414b2495f03f9dd0b79a04f957872871a08ef92482baff06826c872464598444f4ea3da683c50dff489d2007d8d705730f11963767caf31

Download Submit
C:\Users\Admin\AppData\Local\Temp\RES704.tmp

Filesize
1KB

MD5
545d46f3c66798b4c032481caa61f016

SHA1
f55a202beb91201293064d10fb4763507ddfe5a8

SHA256
a1f8e71324b17d753a0170efc9e3900ef862f9b02c8d8324511885672515213a

SHA512
01f44132e82de73a4e608c93ba8bf23cc23b71de2d4feda242a9344c7bb135b034d865c25a2d3daff2e0757fe88d4774277ebb1381d4268b9aa8cc3693f71e89

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp435.tmp.exe

Filesize
78KB

MD5
eff628eef475817e44de6bbfb8fa97ee

SHA1
c5ee414b32c64844a2a6712e7226f7879b0510f3

SHA256
cc08600cf00a68b349a1c2ecb4dc8284a3cf889fbd454500599c8856cefc0736

SHA512
07b261099da5cb56e2903af3c48e682bdd8557ff8e0a0d4bc9324b98f9884574008f17a045e05d7b1f68385342ac179a5fa899ba04b3d24c63ec89d5eab46a0e

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc703.tmp

Filesize
660B

MD5
5e7d7e7ce50614e372081e98a9dd7aee

SHA1
0ceeb3a2509a8f8205fc9be7011765412d54e7a1

SHA256
f8cb41e9fc7dbbf6a571ffddc109320377ba0fa69a133aeb9045e086b623c5e2

SHA512
75fa6fdc88782f6827e1af20ebe21c9789fae2234bf115bc8a3a576487bf28a0e9e722412979d955cddf3f051bebc056447290a7e7b395942cdf586a4824af24

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/1960-8-0x0000000074540000-0x0000000074AEB000-memory.dmp

Filesize
5.7MB

Download
memory/1960-18-0x0000000074540000-0x0000000074AEB000-memory.dmp

Filesize
5.7MB

Download
memory/2720-0-0x0000000074541000-0x0000000074542000-memory.dmp

Filesize
4KB

Download
memory/2720-1-0x0000000074540000-0x0000000074AEB000-memory.dmp

Filesize
5.7MB

Download
memory/2720-2-0x0000000074540000-0x0000000074AEB000-memory.dmp

Filesize
5.7MB

Download
memory/2720-24-0x0000000074540000-0x0000000074AEB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads