b2e60081d5b9df0dcdcbc6791b81d461cdb3986ff617c48e3b591db3c276d26c

General

Target

b2e60081d5b9df0dcdcbc6791b81d461cdb3986ff617c48e3b591db3c276d26c.exe
Size

770KB
MD5

beaa58cf08a9bb3835519a5a93008a38
SHA1

f07d55c156a2ae598d30ec059465b4d59b399ccb
SHA256

b2e60081d5b9df0dcdcbc6791b81d461cdb3986ff617c48e3b591db3c276d26c
SHA512

6fb280bbe7dca1959488bf6cd05e97be3fa2f39853a98a7b68cf4cf280e6aa2ec13f1c8bc78b83bfe4db325a6e8554f608335a3f2a5a9094455a246b72761565
SSDEEP

12288:iIGwgRw9G/U3yf4EpRMfMw0YyUpiOJSI5+M0KIiSlW3dscVPh9+US:d99MIaNpRMfrdhpFJN5r3zSlcVP+r

Score

8^/10

evasion persistence themida

Malware Config

Signatures

Modifies Installed Components in the registry 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{9B71D88C-C598-4935-C5D1-43AA4DB90836}	b2e60081d5b9df0dcdcbc6791b81d461cdb3986ff617c48e3b591db3c276d26c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{9B71D88C-C598-4935-C5D1-43AA4DB90836}\stubpath = "C:\\Windows\\system32\\winrar.exe s"	b2e60081d5b9df0dcdcbc6791b81d461cdb3986ff617c48e3b591db3c276d26c.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\SOFTWARE\Microsoft\Active Setup\Installed Components	b2e60081d5b9df0dcdcbc6791b81d461cdb3986ff617c48e3b591db3c276d26c.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	b2e60081d5b9df0dcdcbc6791b81d461cdb3986ff617c48e3b591db3c276d26c.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Wine	b2e60081d5b9df0dcdcbc6791b81d461cdb3986ff617c48e3b591db3c276d26c.exe

Themida packer 3 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2016-54-0x0000000000400000-0x00000000004C4000-memory.dmp	themida
behavioral1/memory/2016-55-0x0000000000400000-0x00000000004C4000-memory.dmp	themida
behavioral1/memory/2016-56-0x0000000000400000-0x00000000004C4000-memory.dmp	themida

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\hahaaha = "C:\\Windows\\system32\\winrar.exe"	b2e60081d5b9df0dcdcbc6791b81d461cdb3986ff617c48e3b591db3c276d26c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\hahaaha = "C:\\Windows\\system32\\winrar.exe"	b2e60081d5b9df0dcdcbc6791b81d461cdb3986ff617c48e3b591db3c276d26c.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\winrar.exe	b2e60081d5b9df0dcdcbc6791b81d461cdb3986ff617c48e3b591db3c276d26c.exe
File opened for modification	C:\Windows\SysWOW64\winrar.exe	b2e60081d5b9df0dcdcbc6791b81d461cdb3986ff617c48e3b591db3c276d26c.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2016	b2e60081d5b9df0dcdcbc6791b81d461cdb3986ff617c48e3b591db3c276d26c.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 1248	2016	b2e60081d5b9df0dcdcbc6791b81d461cdb3986ff617c48e3b591db3c276d26c.exe	15
PID 2016 wrote to memory of 1248	2016	b2e60081d5b9df0dcdcbc6791b81d461cdb3986ff617c48e3b591db3c276d26c.exe	15
PID 2016 wrote to memory of 628	2016	b2e60081d5b9df0dcdcbc6791b81d461cdb3986ff617c48e3b591db3c276d26c.exe	28
PID 2016 wrote to memory of 628	2016	b2e60081d5b9df0dcdcbc6791b81d461cdb3986ff617c48e3b591db3c276d26c.exe	28
PID 2016 wrote to memory of 628	2016	b2e60081d5b9df0dcdcbc6791b81d461cdb3986ff617c48e3b591db3c276d26c.exe	28
PID 2016 wrote to memory of 628	2016	b2e60081d5b9df0dcdcbc6791b81d461cdb3986ff617c48e3b591db3c276d26c.exe	28
PID 2016 wrote to memory of 628	2016	b2e60081d5b9df0dcdcbc6791b81d461cdb3986ff617c48e3b591db3c276d26c.exe	28
PID 2016 wrote to memory of 628	2016	b2e60081d5b9df0dcdcbc6791b81d461cdb3986ff617c48e3b591db3c276d26c.exe	28
PID 2016 wrote to memory of 628	2016	b2e60081d5b9df0dcdcbc6791b81d461cdb3986ff617c48e3b591db3c276d26c.exe	28
PID 2016 wrote to memory of 628	2016	b2e60081d5b9df0dcdcbc6791b81d461cdb3986ff617c48e3b591db3c276d26c.exe	28

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1248
- C:\Users\Admin\AppData\Local\Temp\b2e60081d5b9df0dcdcbc6791b81d461cdb3986ff617c48e3b591db3c276d26c.exe
  "C:\Users\Admin\AppData\Local\Temp\b2e60081d5b9df0dcdcbc6791b81d461cdb3986ff617c48e3b591db3c276d26c.exe"
  2⤵
  - Modifies Installed Components in the registry
  - Checks BIOS information in registry
  - Identifies Wine through registry keys
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2016
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:628

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

1

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2016-54-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/2016-55-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/2016-56-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads