Malware Analysis Report

2025-01-02 04:53

Sample ID 240426-nr7trsfe4w
Target 00ae9bed0c590a9742d587d2381cc738_JaffaCakes118
SHA256 c914d8a39cc17402e2c3f5232766db612da4f6a6792893686f76ab8659a6eb69
Tags
smokeloader pa1 backdoor trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

c914d8a39cc17402e2c3f5232766db612da4f6a6792893686f76ab8659a6eb69

Threat Level: Known bad

The file 00ae9bed0c590a9742d587d2381cc738_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

smokeloader pa1 backdoor trojan

SmokeLoader

Deletes itself

Executes dropped EXE

Loads dropped DLL

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of WriteProcessMemory

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-26 11:38

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-26 11:38

Reported

2024-04-26 11:41

Platform

win7-20240221-en

Max time kernel

150s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\00ae9bed0c590a9742d587d2381cc738_JaffaCakes118.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Deletes itself

Description Indicator Process Target
N/A N/A N/A N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\rdearbh N/A
N/A N/A C:\Users\Admin\AppData\Roaming\rdearbh N/A

Checks SCSI registry key(s)

Description Indicator Process Target
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\00ae9bed0c590a9742d587d2381cc738_JaffaCakes118.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\00ae9bed0c590a9742d587d2381cc738_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\00ae9bed0c590a9742d587d2381cc738_JaffaCakes118.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\00ae9bed0c590a9742d587d2381cc738_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2280 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\00ae9bed0c590a9742d587d2381cc738_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\00ae9bed0c590a9742d587d2381cc738_JaffaCakes118.exe
PID 2280 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\00ae9bed0c590a9742d587d2381cc738_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\00ae9bed0c590a9742d587d2381cc738_JaffaCakes118.exe
PID 2280 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\00ae9bed0c590a9742d587d2381cc738_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\00ae9bed0c590a9742d587d2381cc738_JaffaCakes118.exe
PID 2280 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\00ae9bed0c590a9742d587d2381cc738_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\00ae9bed0c590a9742d587d2381cc738_JaffaCakes118.exe
PID 2280 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\00ae9bed0c590a9742d587d2381cc738_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\00ae9bed0c590a9742d587d2381cc738_JaffaCakes118.exe
PID 2280 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\00ae9bed0c590a9742d587d2381cc738_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\00ae9bed0c590a9742d587d2381cc738_JaffaCakes118.exe
PID 2280 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\00ae9bed0c590a9742d587d2381cc738_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\00ae9bed0c590a9742d587d2381cc738_JaffaCakes118.exe
PID 2956 wrote to memory of 1032 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\rdearbh
PID 2956 wrote to memory of 1032 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\rdearbh
PID 2956 wrote to memory of 1032 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\rdearbh
PID 2956 wrote to memory of 1032 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\rdearbh
PID 1032 wrote to memory of 2472 N/A C:\Users\Admin\AppData\Roaming\rdearbh C:\Users\Admin\AppData\Roaming\rdearbh
PID 1032 wrote to memory of 2472 N/A C:\Users\Admin\AppData\Roaming\rdearbh C:\Users\Admin\AppData\Roaming\rdearbh
PID 1032 wrote to memory of 2472 N/A C:\Users\Admin\AppData\Roaming\rdearbh C:\Users\Admin\AppData\Roaming\rdearbh
PID 1032 wrote to memory of 2472 N/A C:\Users\Admin\AppData\Roaming\rdearbh C:\Users\Admin\AppData\Roaming\rdearbh
PID 1032 wrote to memory of 2472 N/A C:\Users\Admin\AppData\Roaming\rdearbh C:\Users\Admin\AppData\Roaming\rdearbh
PID 1032 wrote to memory of 2472 N/A C:\Users\Admin\AppData\Roaming\rdearbh C:\Users\Admin\AppData\Roaming\rdearbh
PID 1032 wrote to memory of 2472 N/A C:\Users\Admin\AppData\Roaming\rdearbh C:\Users\Admin\AppData\Roaming\rdearbh

Processes

C:\Users\Admin\AppData\Local\Temp\00ae9bed0c590a9742d587d2381cc738_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\00ae9bed0c590a9742d587d2381cc738_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\00ae9bed0c590a9742d587d2381cc738_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\00ae9bed0c590a9742d587d2381cc738_JaffaCakes118.exe"

C:\Windows\system32\taskeng.exe

taskeng.exe {C4F7EF69-3FF6-47F7-9EEF-AC1EB97F729E} S-1-5-21-3452737119-3959686427-228443150-1000:QGTQZTRE\Admin:Interactive:[1]

C:\Users\Admin\AppData\Roaming\rdearbh

C:\Users\Admin\AppData\Roaming\rdearbh

C:\Users\Admin\AppData\Roaming\rdearbh

C:\Users\Admin\AppData\Roaming\rdearbh

Network

Country Destination Domain Proto
US 8.8.8.8:53 10022020newfolder1002002131-service1002.space udp
US 8.8.8.8:53 10022020newfolder1002002231-service1002.space udp
US 8.8.8.8:53 10022020newfolder3100231-service1002.space udp
US 8.8.8.8:53 10022020newfolder1002002431-service1002.space udp
US 8.8.8.8:53 10022020newfolder1002002531-service1002.space udp
US 8.8.8.8:53 10022020newfolder33417-01242510022020.space udp
US 8.8.8.8:53 10022020test125831-service1002012510022020.space udp
US 8.8.8.8:53 10022020test136831-service1002012510022020.space udp
US 8.8.8.8:53 10022020test147831-service1002012510022020.space udp
US 8.8.8.8:53 10022020test146831-service1002012510022020.space udp
US 8.8.8.8:53 10022020test134831-service1002012510022020.space udp
US 8.8.8.8:53 10022020est213531-service100201242510022020.ru udp
US 8.8.8.8:53 10022020yes1t3481-service1002012510022020.ru udp
US 8.8.8.8:53 10022020test13561-service1002012510022020.su udp
US 8.8.8.8:53 10022020test14781-service1002012510022020.info udp
US 8.8.8.8:53 10022020test13461-service1002012510022020.net udp
US 8.8.8.8:53 10022020test15671-service1002012510022020.tech udp
US 8.8.8.8:53 10022020test12671-service1002012510022020.online udp
US 8.8.8.8:53 10022020utest1341-service1002012510022020.ru udp
US 8.8.8.8:53 10022020uest71-service100201dom2510022020.ru udp
US 8.8.8.8:53 10022020test61-service1002012510022020.website udp
US 8.8.8.8:53 10022020test51-service1002012510022020.xyz udp
US 8.8.8.8:53 10022020test41-service100201pro2510022020.ru udp
US 8.8.8.8:53 10022020yest31-service100201rus2510022020.ru udp
US 8.8.8.8:53 10022020rest21-service1002012510022020.eu udp
US 8.8.8.8:53 10022020test11-service1002012510022020.press udp
US 8.8.8.8:53 10022020newfolder4561-service1002012510022020.ru udp
US 8.8.8.8:53 10022020rustest213-service1002012510022020.ru udp
US 8.8.8.8:53 10022020test281-service1002012510022020.ru udp
US 8.8.8.8:53 10022020test261-service1002012510022020.space udp
US 8.8.8.8:53 10022020yomtest251-service1002012510022020.ru udp
US 8.8.8.8:53 10022020yirtest231-service1002012510022020.ru udp
US 8.8.8.8:53 10022020test391-service1002012510022020.ru udp
US 8.8.8.8:53 10022020test481-service1002012510022020.ru udp
US 8.8.8.8:53 10022020test571-service1002012510022020.pro udp
US 8.8.8.8:53 10022020test461-service1002012510022020.host udp
US 8.8.8.8:53 10022020test231-service1002012510022020.fun udp
US 8.8.8.8:53 10022020tostest371-service1002012510022020.ru udp
US 8.8.8.8:53 10022020oopoest361-service1002012510022020.ru udp
US 8.8.8.8:53 10022020newfolder481-service1002012510022020.ru udp
US 8.8.8.8:53 10022020newfolder471-service1002012510022020.ru udp
US 8.8.8.8:53 10022020newfolder351-service1002012510022020.ru udp
US 8.8.8.8:53 10022020newfolder241-service1002012510022020.ru udp
US 8.8.8.8:53 10022020newfolder1002-service100201shop2510022020.ru udp
US 8.8.8.8:53 10022020newfolder1002-service100201life2510022020.ru udp
US 8.8.8.8:53 10022020newfolder1002-service100201blog2510022020.ru udp
US 8.8.8.8:53 10022020megatest251-service1002012510022020.ru udp
US 8.8.8.8:53 10022020infotest341-service1002012510022020.ru udp
US 8.8.8.8:53 10022020besttest971-service1002012510022020.ru udp
US 8.8.8.8:53 10022020shoptest871-service1002012510022020.ru udp
US 8.8.8.8:53 10022020kupitest451-service1002012510022020.ru udp
US 8.8.8.8:53 10022020proftest981-service1002012510022020.ru udp
US 8.8.8.8:53 10022020clubtest561-service1002012510022020.ru udp
US 8.8.8.8:53 10022020mytest151-service100201242510022020.ru udp
US 8.8.8.8:53 10022020newfoldert161-service100201242510022020.ru udp
US 8.8.8.8:53 10022020newfolder100251-service2510022020.ru udp
US 8.8.8.8:53 10022020newfolder100241-service1002010022020.ru udp
US 8.8.8.8:53 10022020newfolder100231-service1022020.ru udp
US 8.8.8.8:53 10022020newfolder100221-service1022020.ru udp
US 8.8.8.8:53 10022020newfolder1002-01252510022020.ml udp
US 8.8.8.8:53 10022020newfolder1002-01262510022020.ga udp
US 8.8.8.8:53 10022020newfolder1002-01272510022020.cf udp
US 8.8.8.8:53 10022020newfolder1002-01282510022020.gq udp
US 8.8.8.8:53 10022020newfolder1002-01292510022020.com udp
US 8.8.8.8:53 10022020newfolder1002-0130251002202035.site udp
US 8.8.8.8:53 10022020newfolder1002-0131251002202035.site udp
US 8.8.8.8:53 10022020newfolder1002-0132251002202035.site udp
US 8.8.8.8:53 10022020newfolder1002-0133251002202035.site udp
US 8.8.8.8:53 10022020newfolder1002-0134251002202035.site udp
US 8.8.8.8:53 10022020newfolder1002-0135251002202035.site udp
US 8.8.8.8:53 10022020newfolder1002-0136251002202035.site udp
US 8.8.8.8:53 10022020newfolder1002-0137251002202035.site udp
US 8.8.8.8:53 10022020newfolder1002-0138251002202035.site udp
US 8.8.8.8:53 10022020newfolder1002-0139251002202035.site udp
US 8.8.8.8:53 10022020newfolder1002-0140251002202035.site udp
US 8.8.8.8:53 10022020newfolder1002-0141251002202035.site udp
US 8.8.8.8:53 10022020newfolder1002-0142251002202035.site udp
US 8.8.8.8:53 10022020newfolder1002-0143251002202035.site udp
US 8.8.8.8:53 10022020newfolder1002-0144251002202035.site udp
US 8.8.8.8:53 10022020newfolder1002-0145251002202035.site udp
US 8.8.8.8:53 10022020newfolder1002-0146251002202035.site udp
US 8.8.8.8:53 10022020newfolder1002-0147251002202035.site udp
US 8.8.8.8:53 10022020newfolder1002-0148251002202035.site udp
US 8.8.8.8:53 10022020newfolder1002-0149251002202035.site udp
US 8.8.8.8:53 10022020newfolder1002-0150251002202035.site udp
US 8.8.8.8:53 10022020newfolder1002-0151251002202035.site udp
US 8.8.8.8:53 10022020newfolder1002-0152251002202035.site udp
US 8.8.8.8:53 10022020newfolder1002-0153251002202035.site udp
US 8.8.8.8:53 10022020newfolder1002-0154251002202035.site udp
US 8.8.8.8:53 10022020newfolder1002-0155251002202035.site udp

Files

memory/2280-2-0x0000000003440000-0x0000000003540000-memory.dmp

memory/1564-5-0x0000000000400000-0x000000000040C000-memory.dmp

memory/2280-4-0x0000000000220000-0x000000000022D000-memory.dmp

memory/1564-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1564-6-0x0000000000400000-0x000000000040C000-memory.dmp

memory/1564-7-0x0000000000400000-0x000000000040C000-memory.dmp

\Users\Admin\AppData\Local\Temp\4DD3.tmp

MD5 d124f55b9393c976963407dff51ffa79
SHA1 2c7bbedd79791bfb866898c85b504186db610b5d
SHA256 ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef
SHA512 278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

memory/1104-11-0x0000000002D60000-0x0000000002D77000-memory.dmp

memory/1564-12-0x0000000000400000-0x000000000040C000-memory.dmp

C:\Users\Admin\AppData\Roaming\rdearbh

MD5 00ae9bed0c590a9742d587d2381cc738
SHA1 5f50ffd258f2477b758a183786cde20b2992bedf
SHA256 c914d8a39cc17402e2c3f5232766db612da4f6a6792893686f76ab8659a6eb69
SHA512 44f2814a8aacba7b152e20623bbae706341a8f196dc2b72e81def514b957f9e28ca3e5d6ecf986f3e0642270151c29a4950a5277191551cedabfdee046e724cf

memory/2472-29-0x0000000000400000-0x000000000040C000-memory.dmp

memory/1032-23-0x0000000003450000-0x0000000003550000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-26 11:38

Reported

2024-04-26 11:41

Platform

win10v2004-20240412-en

Max time kernel

139s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\00ae9bed0c590a9742d587d2381cc738_JaffaCakes118.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\00ae9bed0c590a9742d587d2381cc738_JaffaCakes118.exe N/A

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\00ae9bed0c590a9742d587d2381cc738_JaffaCakes118.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\00ae9bed0c590a9742d587d2381cc738_JaffaCakes118.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\00ae9bed0c590a9742d587d2381cc738_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\00ae9bed0c590a9742d587d2381cc738_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\00ae9bed0c590a9742d587d2381cc738_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\00ae9bed0c590a9742d587d2381cc738_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\00ae9bed0c590a9742d587d2381cc738_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 218.110.86.104.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
BE 88.221.83.203:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 132.250.30.184.in-addr.arpa udp
US 8.8.8.8:53 198.32.209.4.in-addr.arpa udp
US 8.8.8.8:53 203.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 177.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp

Files

memory/5032-1-0x0000000003540000-0x0000000003640000-memory.dmp

memory/5032-2-0x00000000033B0000-0x00000000033BD000-memory.dmp

memory/4436-3-0x0000000000400000-0x000000000040C000-memory.dmp

memory/4436-4-0x0000000000400000-0x000000000040C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\4DD3.tmp

MD5 4f3387277ccbd6d1f21ac5c07fe4ca68
SHA1 e16506f662dc92023bf82def1d621497c8ab5890
SHA256 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
SHA512 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

memory/4436-8-0x0000000000400000-0x000000000040C000-memory.dmp