f68cab419eb82a011bd852e5eccf9e74ff0e1f4c33c6c47925ff11b58e3f4a0c

General

Target

f68cab419eb82a011bd852e5eccf9e74ff0e1f4c33c6c47925ff11b58e3f4a0c.exe
Size

2.3MB
MD5

319350f9713ac4b84c5d2445c58c5f50
SHA1

31449d902376253ab1ac3f2bdef21fe02582f4eb
SHA256

f68cab419eb82a011bd852e5eccf9e74ff0e1f4c33c6c47925ff11b58e3f4a0c
SHA512

5da4ceedb71e1c76bf6d134e08d2a12f8999b23b2ffe3aae3f4ef5f96d648495939ba5a385057c3c5e4ef71a1f2dae7f439a65352a0ac240b9de91662e8bdab7
SSDEEP

49152:pN1omeqhq9ZVfJcGug3g/b9bWrRsC8dE3u+g/gRbL/B+p:pTomeIq9DfJnWb9qrRsCvX/B+p

Score

9^/10

Malware Config

Signatures

Detects executables (downlaoders) containing URLs to raw contents of a paste 2 IoCs

resource	yara_rule
behavioral1/memory/2456-11-0x0000000000400000-0x00000000004A3000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_RawPaste_URL
behavioral1/memory/2456-73-0x000000000F350000-0x000000000F3F3000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_RawPaste_URL

Deletes itself 1 IoCs

pid	Process
2456	f68cab419eb82a011bd852e5eccf9e74ff0e1f4c33c6c47925ff11b58e3f4a0c.exe

Executes dropped EXE 1 IoCs

pid	Process
2456	f68cab419eb82a011bd852e5eccf9e74ff0e1f4c33c6c47925ff11b58e3f4a0c.exe

Loads dropped DLL 1 IoCs

pid	Process
1904	f68cab419eb82a011bd852e5eccf9e74ff0e1f4c33c6c47925ff11b58e3f4a0c.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
3	pastebin.com
4	pastebin.com

Modifies system certificate store 2 TTPs 3 IoCs

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	f68cab419eb82a011bd852e5eccf9e74ff0e1f4c33c6c47925ff11b58e3f4a0c.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	f68cab419eb82a011bd852e5eccf9e74ff0e1f4c33c6c47925ff11b58e3f4a0c.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	f68cab419eb82a011bd852e5eccf9e74ff0e1f4c33c6c47925ff11b58e3f4a0c.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2456	f68cab419eb82a011bd852e5eccf9e74ff0e1f4c33c6c47925ff11b58e3f4a0c.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1904	f68cab419eb82a011bd852e5eccf9e74ff0e1f4c33c6c47925ff11b58e3f4a0c.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
2456	f68cab419eb82a011bd852e5eccf9e74ff0e1f4c33c6c47925ff11b58e3f4a0c.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1904 wrote to memory of 2456	1904	f68cab419eb82a011bd852e5eccf9e74ff0e1f4c33c6c47925ff11b58e3f4a0c.exe	29
PID 1904 wrote to memory of 2456	1904	f68cab419eb82a011bd852e5eccf9e74ff0e1f4c33c6c47925ff11b58e3f4a0c.exe	29
PID 1904 wrote to memory of 2456	1904	f68cab419eb82a011bd852e5eccf9e74ff0e1f4c33c6c47925ff11b58e3f4a0c.exe	29
PID 1904 wrote to memory of 2456	1904	f68cab419eb82a011bd852e5eccf9e74ff0e1f4c33c6c47925ff11b58e3f4a0c.exe	29

C:\Users\Admin\AppData\Local\Temp\f68cab419eb82a011bd852e5eccf9e74ff0e1f4c33c6c47925ff11b58e3f4a0c.exe
"C:\Users\Admin\AppData\Local\Temp\f68cab419eb82a011bd852e5eccf9e74ff0e1f4c33c6c47925ff11b58e3f4a0c.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1904
- C:\Users\Admin\AppData\Local\Temp\f68cab419eb82a011bd852e5eccf9e74ff0e1f4c33c6c47925ff11b58e3f4a0c.exe
  C:\Users\Admin\AppData\Local\Temp\f68cab419eb82a011bd852e5eccf9e74ff0e1f4c33c6c47925ff11b58e3f4a0c.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of UnmapMainImage
  PID:2456

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar107C.tmp

Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
\Users\Admin\AppData\Local\Temp\f68cab419eb82a011bd852e5eccf9e74ff0e1f4c33c6c47925ff11b58e3f4a0c.exe

Filesize
2.3MB

MD5
0f420e2d0164be13265d560b579af131

SHA1
4da2bda6a3a7f6a744a5bbfb9be72862b318d579

SHA256
7b256ac893122dff63cf94576e738311c4d5c7d8c70be2e22fa4664a8317a6c9

SHA512
032c7c8882ba46f79ebbbfaf278f973d3986162bcd85a4cfe4836a22059d9bebfb84eca7adf7f162cbace2ff519754cfc3a3fd85c82386878d9bbd6e708beb5f

Download Submit
memory/1904-0-0x0000000000400000-0x0000000000516000-memory.dmp

Filesize
1.1MB

Download
memory/1904-6-0x0000000002E60000-0x0000000002F76000-memory.dmp

Filesize
1.1MB

Download
memory/1904-8-0x0000000000400000-0x0000000000516000-memory.dmp

Filesize
1.1MB

Download
memory/2456-10-0x0000000000400000-0x0000000000516000-memory.dmp

Filesize
1.1MB

Download
memory/2456-11-0x0000000000400000-0x00000000004A3000-memory.dmp

Filesize
652KB

Download
memory/2456-17-0x0000000002E70000-0x0000000002F86000-memory.dmp

Filesize
1.1MB

Download
memory/2456-69-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2456-73-0x000000000F350000-0x000000000F3F3000-memory.dmp

Filesize
652KB

Download

Analysis

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