b874acd0b38f1e577cbe886c055a91374e7fc263b54b2b65639075310e24e743

General

Target

b874acd0b38f1e577cbe886c055a91374e7fc263b54b2b65639075310e24e743.exe
Size

102KB
MD5

815f133646c6c3df4094bfe4a7d9a680
SHA1

8a911047ec46ae19006d3183ecb68d2a3e881282
SHA256

b874acd0b38f1e577cbe886c055a91374e7fc263b54b2b65639075310e24e743
SHA512

6f11af133c407476c9f9ddadf72c52b11cd71b587eb428bd7bee1550c02dead33ee802a97bd6c38f1468996be55cd1e398439ba1924f84cf5e236f0b54891cad
SSDEEP

3072:VvdZJO4nRsecM4f5zDNEgb7BCC6n9oE8GG6R:V7g4aDzBEgb7nO8GG6

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4896	Terms.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3548-132-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral2/memory/3548-133-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral2/files/0x0007000000022e06-134.dat	upx
behavioral2/files/0x0007000000022e06-135.dat	upx
behavioral2/memory/4896-136-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral2/memory/4896-137-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral2/memory/3548-139-0x0000000000400000-0x0000000000442000-memory.dmp	upx

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	b874acd0b38f1e577cbe886c055a91374e7fc263b54b2b65639075310e24e743.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	Terms.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	Terms.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	Terms.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	Terms.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Terms.exe	b874acd0b38f1e577cbe886c055a91374e7fc263b54b2b65639075310e24e743.exe
File opened for modification	C:\Windows\Terms.exe	b874acd0b38f1e577cbe886c055a91374e7fc263b54b2b65639075310e24e743.exe

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

System Information Discovery
T1082

Modifies data under HKEY_USERS 8 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	Terms.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	Terms.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	Terms.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	Terms.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	Terms.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	Terms.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	Terms.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	Terms.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings	b874acd0b38f1e577cbe886c055a91374e7fc263b54b2b65639075310e24e743.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3548	b874acd0b38f1e577cbe886c055a91374e7fc263b54b2b65639075310e24e743.exe
3548	b874acd0b38f1e577cbe886c055a91374e7fc263b54b2b65639075310e24e743.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4896	Terms.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3548 wrote to memory of 2708	3548	b874acd0b38f1e577cbe886c055a91374e7fc263b54b2b65639075310e24e743.exe	84
PID 3548 wrote to memory of 2708	3548	b874acd0b38f1e577cbe886c055a91374e7fc263b54b2b65639075310e24e743.exe	84
PID 3548 wrote to memory of 2708	3548	b874acd0b38f1e577cbe886c055a91374e7fc263b54b2b65639075310e24e743.exe	84

C:\Users\Admin\AppData\Local\Temp\b874acd0b38f1e577cbe886c055a91374e7fc263b54b2b65639075310e24e743.exe
"C:\Users\Admin\AppData\Local\Temp\b874acd0b38f1e577cbe886c055a91374e7fc263b54b2b65639075310e24e743.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3548
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\9420.vbs"
  2⤵
  PID:2708

C:\Windows\Terms.exe
C:\Windows\Terms.exe
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:4896

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\9420.vbs

Filesize
500B

MD5
fe9f6589bf25f854d7bda261214182e6

SHA1
2a3bbafa95f98f771ab2d413a005ca0765c7e992

SHA256
ee42381cfe1583dc5f82a19cc157eaafa365a58f7a6f826898fe5690a444842b

SHA512
027fae136ec4a970e7f1d0bfadd0b7e578487777f485d849ab55314ccafe5a6096215d7deddfbfd1cc3c1237989350004cf9bd52bc21c727c85f2d06372d9fb9

Download Submit
C:\Windows\Terms.exe

Filesize
102KB

MD5
815f133646c6c3df4094bfe4a7d9a680

SHA1
8a911047ec46ae19006d3183ecb68d2a3e881282

SHA256
b874acd0b38f1e577cbe886c055a91374e7fc263b54b2b65639075310e24e743

SHA512
6f11af133c407476c9f9ddadf72c52b11cd71b587eb428bd7bee1550c02dead33ee802a97bd6c38f1468996be55cd1e398439ba1924f84cf5e236f0b54891cad

Download Submit
C:\Windows\Terms.exe

Filesize
102KB

MD5
815f133646c6c3df4094bfe4a7d9a680

SHA1
8a911047ec46ae19006d3183ecb68d2a3e881282

SHA256
b874acd0b38f1e577cbe886c055a91374e7fc263b54b2b65639075310e24e743

SHA512
6f11af133c407476c9f9ddadf72c52b11cd71b587eb428bd7bee1550c02dead33ee802a97bd6c38f1468996be55cd1e398439ba1924f84cf5e236f0b54891cad

Download Submit
memory/3548-132-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3548-133-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3548-139-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4896-136-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4896-137-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

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