purplefox | 2122180333641dee3a0ef7b9966ef035dc010e9857867c247517fe4ec8f566cc

Analysis

max time kernel
121s
max time network
134s
platform
windows7_x64
resource
win7-en-20211208
submitted
04-01-2022 05:41

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General

Target

2122180333641dee3a0ef7b9966ef035dc010e9857867c247517fe4ec8f566cc.exe
Size

69KB
MD5

ba2b85a44c23769cc557586d9269996d
SHA1

7ec436400772e3a1ee77ac99fb7fdb5679484ce3
SHA256

2122180333641dee3a0ef7b9966ef035dc010e9857867c247517fe4ec8f566cc
SHA512

3032f4e80e69831701e36c72230743e722e886376a526f047b2bd006a4d684f3f8a1c4d7eb8867536ed3a697c19f51ece1bb2c8ccbeda333d2eb38088a187183

Score

10^/10

purplefox loader dropper rootkit suricata trojan

Malware Config

Signatures

Detect PurpleFox Dropper 6 IoCs

Detect PurpleFox Dropper.

dropper loader

Processes:

yara_rule
purplefox_dropper
purplefox_dropper
C:\Users\Public\Videos\1641278467\svchost.txt	purplefox_dropper
C:\ProgramData\svchost.txt	purplefox_dropper
behavioral1/memory/1100-71-0x00000001803F7000-0x0000000180547000-memory.dmp	purplefox_dropper
behavioral1/memory/1100-74-0x0000000001E70000-0x000000000268D000-memory.dmp	purplefox_dropper

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

yara_rule
purplefox_rootkit
purplefox_rootkit
C:\Users\Public\Videos\1641278467\svchost.txt	purplefox_rootkit
C:\ProgramData\svchost.txt	purplefox_rootkit
behavioral1/memory/1100-74-0x0000000001E70000-0x000000000268D000-memory.dmp	purplefox_rootkit

PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
suricata: ET MALWARE OneLouder EXE download possibly installing Zeus P2P
suricata: ET MALWARE OneLouder EXE download possibly installing Zeus P2P
suricata
suricata: ET MALWARE Probable OneLouder downloader (Zeus P2P) exe download
suricata: ET MALWARE Probable OneLouder downloader (Zeus P2P) exe download
suricata
Executes dropped EXE 2 IoCs

Processes:

7zz.exeojbkcg.exe

pid process

2028 7zz.exe
1100 ojbkcg.exe

pid	process
2028	7zz.exe
1100	ojbkcg.exe

Loads dropped DLL 3 IoCs

Processes:

2122180333641dee3a0ef7b9966ef035dc010e9857867c247517fe4ec8f566cc.exeojbkcg.exe

pid	process
1704	2122180333641dee3a0ef7b9966ef035dc010e9857867c247517fe4ec8f566cc.exe
1704	2122180333641dee3a0ef7b9966ef035dc010e9857867c247517fe4ec8f566cc.exe
1100	ojbkcg.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

ojbkcg.exe

description	ioc	process
File opened (read-only)	\??\M:	ojbkcg.exe
File opened (read-only)	\??\N:	ojbkcg.exe
File opened (read-only)	\??\O:	ojbkcg.exe
File opened (read-only)	\??\T:	ojbkcg.exe
File opened (read-only)	\??\Z:	ojbkcg.exe
File opened (read-only)	\??\F:	ojbkcg.exe
File opened (read-only)	\??\S:	ojbkcg.exe
File opened (read-only)	\??\U:	ojbkcg.exe
File opened (read-only)	\??\W:	ojbkcg.exe
File opened (read-only)	\??\V:	ojbkcg.exe
File opened (read-only)	\??\X:	ojbkcg.exe
File opened (read-only)	\??\B:	ojbkcg.exe
File opened (read-only)	\??\E:	ojbkcg.exe
File opened (read-only)	\??\J:	ojbkcg.exe
File opened (read-only)	\??\P:	ojbkcg.exe
File opened (read-only)	\??\L:	ojbkcg.exe
File opened (read-only)	\??\Q:	ojbkcg.exe
File opened (read-only)	\??\R:	ojbkcg.exe
File opened (read-only)	\??\Y:	ojbkcg.exe
File opened (read-only)	\??\G:	ojbkcg.exe
File opened (read-only)	\??\H:	ojbkcg.exe
File opened (read-only)	\??\I:	ojbkcg.exe
File opened (read-only)	\??\K:	ojbkcg.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

ojbkcg.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	ojbkcg.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	ojbkcg.exe

Suspicious behavior: EnumeratesProcesses 34 IoCs

Processes:

2122180333641dee3a0ef7b9966ef035dc010e9857867c247517fe4ec8f566cc.exeojbkcg.exe

pid	process
1704	2122180333641dee3a0ef7b9966ef035dc010e9857867c247517fe4ec8f566cc.exe
1100	ojbkcg.exe
1100	ojbkcg.exe
1100	ojbkcg.exe
1100	ojbkcg.exe
1100	ojbkcg.exe
1100	ojbkcg.exe
1100	ojbkcg.exe
1100	ojbkcg.exe
1100	ojbkcg.exe
1100	ojbkcg.exe
1100	ojbkcg.exe
1100	ojbkcg.exe
1100	ojbkcg.exe
1100	ojbkcg.exe
1100	ojbkcg.exe
1100	ojbkcg.exe
1100	ojbkcg.exe
1100	ojbkcg.exe
1100	ojbkcg.exe
1100	ojbkcg.exe
1100	ojbkcg.exe
1100	ojbkcg.exe
1100	ojbkcg.exe
1100	ojbkcg.exe
1100	ojbkcg.exe
1100	ojbkcg.exe
1100	ojbkcg.exe
1100	ojbkcg.exe
1100	ojbkcg.exe
1100	ojbkcg.exe
1100	ojbkcg.exe
1100	ojbkcg.exe
1100	ojbkcg.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

2122180333641dee3a0ef7b9966ef035dc010e9857867c247517fe4ec8f566cc.exe

description	pid	process	target process
PID 1704 wrote to memory of 2028	1704	2122180333641dee3a0ef7b9966ef035dc010e9857867c247517fe4ec8f566cc.exe	7zz.exe
PID 1704 wrote to memory of 2028	1704	2122180333641dee3a0ef7b9966ef035dc010e9857867c247517fe4ec8f566cc.exe	7zz.exe
PID 1704 wrote to memory of 2028	1704	2122180333641dee3a0ef7b9966ef035dc010e9857867c247517fe4ec8f566cc.exe	7zz.exe
PID 1704 wrote to memory of 2028	1704	2122180333641dee3a0ef7b9966ef035dc010e9857867c247517fe4ec8f566cc.exe	7zz.exe
PID 1704 wrote to memory of 1100	1704	2122180333641dee3a0ef7b9966ef035dc010e9857867c247517fe4ec8f566cc.exe	ojbkcg.exe
PID 1704 wrote to memory of 1100	1704	2122180333641dee3a0ef7b9966ef035dc010e9857867c247517fe4ec8f566cc.exe	ojbkcg.exe
PID 1704 wrote to memory of 1100	1704	2122180333641dee3a0ef7b9966ef035dc010e9857867c247517fe4ec8f566cc.exe	ojbkcg.exe
PID 1704 wrote to memory of 1100	1704	2122180333641dee3a0ef7b9966ef035dc010e9857867c247517fe4ec8f566cc.exe	ojbkcg.exe

C:\Users\Admin\AppData\Local\Temp\2122180333641dee3a0ef7b9966ef035dc010e9857867c247517fe4ec8f566cc.exe
"C:\Users\Admin\AppData\Local\Temp\2122180333641dee3a0ef7b9966ef035dc010e9857867c247517fe4ec8f566cc.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1704

C:\Users\Public\Videos\1641278467\7zz.exe
"C:\Users\Public\Videos\1641278467\7zz.exe" X -ep2 C:\Users\Public\Videos\1641278467\1.rar C:\Users\Public\Videos\1641278467
2⤵
- Executes dropped EXE
PID:2028

C:\Users\Public\Videos\1641278467\ojbkcg.exe
"C:\Users\Public\Videos\1641278467\ojbkcg.exe" -a
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1100

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\ProgramData\svchost.txt
MD5
e4bdbedcda09a11361972ad226353dca

SHA1
486437132fd23cccc922ecda64ad2990d90d5fe5

SHA256
a42ca471af4a3b3605cfe3a4ad15089baa0c582745129658cb1bce2b8aced391

SHA512
3b6e93165f9f9462a6c0527db408872226ad6940e2828ba5d6cd7ade55282d112fb033cdb2c99d24b7e3a8840d1206395a7104790d315e44c86cfc5cc7ae2fa6

Download Submit
C:\Users\Public\Videos\1641278467\1.rar
MD5
690b5ea1cbe96a7646f71f8de8d05e40

SHA1
623fdf4c3ed679625d960042ec4fdb4d84bd88cf

SHA256
fd04719e1ca6f48dc5fc0afdf5835f5e7749be957ed9ad1c99953c25fa4f4142

SHA512
dbbb45fe49bedf1a4b234b6bda4ed6d162ed74922dce275891a32453d415a589ce2883d4d6cb88670b15772dac07cb0fb8f5b1437065e07549934f3ee3214148

Download Submit
C:\Users\Public\Videos\1641278467\360.tct
MD5
3958789b66c71083980dc0dd1d4c6af3

SHA1
ee358e2916ad66bda83fcad244188d9c7585b50c

SHA256
a042c6d51a1b197a946af434439621ff9a7230381a6ae4d311ab3d954fe67a18

SHA512
00e453403a9f8a4d08831efddc91c88d433fd62ea22764bce3015087890d677ac05f6d7cb2648c4ecee85498cf442bb858213512cb85a54940b566203b51afd0

Download Submit
C:\Users\Public\Videos\1641278467\7zz.exe
MD5
f2ae502d448cfb81a5f40a9368d99b1a

SHA1
f849be86e9e7ced0acd51a68f92992b8090d08a5

SHA256
07ad4b984f288304003b080dd013784685181de4353a0b70a0247f96e535bd56

SHA512
9f3aea471684e22bf9fc045ca0e47a8429fa0b13c188f9c7a51937efa8afcec976761b0c4c95aed7735096fcc2278bbd86b0ab581261a6aff6c694d7bb65e9be

Download Submit
C:\Users\Public\Videos\1641278467\ojbkcg.exe
MD5
89658291c24f32d1e0c85c257aa2cdce

SHA1
1ca3598a451b55a882199ae376a1a64d5539baed

SHA256
d557386ec5241dce148d4dadbba4f49425cbbdfcf3a5ab089858ba18ff20fc47

SHA512
2c08fdbaa7dc2c46707a395fb5ebdf3d7d2cabe6a4d7fae0aee1aa0867cd58866d42e94623f1d1371f798b1bf6a8304d7322f9eea7c249ed8a096623d815da39

Download Submit
C:\Users\Public\Videos\1641278467\ojbkcg.exe
MD5
89658291c24f32d1e0c85c257aa2cdce

SHA1
1ca3598a451b55a882199ae376a1a64d5539baed

SHA256
d557386ec5241dce148d4dadbba4f49425cbbdfcf3a5ab089858ba18ff20fc47

SHA512
2c08fdbaa7dc2c46707a395fb5ebdf3d7d2cabe6a4d7fae0aee1aa0867cd58866d42e94623f1d1371f798b1bf6a8304d7322f9eea7c249ed8a096623d815da39

Download Submit
C:\Users\Public\Videos\1641278467\rundll3222.exe
MD5
c36bb659f08f046b139c8d1b980bf1ac

SHA1
dd3247b225a8da3161f76055f31cbc5f64a66086

SHA256
405f03534be8b45185695f68deb47d4daf04dcd6df9d351ca6831d3721b1efc4

SHA512
3eeae6a3b424fa1709b4443f625ee99fa2d2861661214b868d36bf5a63c0aaac61ad3bdd9c4b18cb9d820ef89653787df812289d31d65415c4dd08fd45d0c73f

Download Submit
C:\Users\Public\Videos\1641278467\svchost.txt
MD5
e4bdbedcda09a11361972ad226353dca

SHA1
486437132fd23cccc922ecda64ad2990d90d5fe5

SHA256
a42ca471af4a3b3605cfe3a4ad15089baa0c582745129658cb1bce2b8aced391

SHA512
3b6e93165f9f9462a6c0527db408872226ad6940e2828ba5d6cd7ade55282d112fb033cdb2c99d24b7e3a8840d1206395a7104790d315e44c86cfc5cc7ae2fa6

Download Submit
\Users\Public\Videos\1641278467\360.tct
MD5
3958789b66c71083980dc0dd1d4c6af3

SHA1
ee358e2916ad66bda83fcad244188d9c7585b50c

SHA256
a042c6d51a1b197a946af434439621ff9a7230381a6ae4d311ab3d954fe67a18

SHA512
00e453403a9f8a4d08831efddc91c88d433fd62ea22764bce3015087890d677ac05f6d7cb2648c4ecee85498cf442bb858213512cb85a54940b566203b51afd0

Download Submit
\Users\Public\Videos\1641278467\7zz.exe
MD5
f2ae502d448cfb81a5f40a9368d99b1a

SHA1
f849be86e9e7ced0acd51a68f92992b8090d08a5

SHA256
07ad4b984f288304003b080dd013784685181de4353a0b70a0247f96e535bd56

SHA512
9f3aea471684e22bf9fc045ca0e47a8429fa0b13c188f9c7a51937efa8afcec976761b0c4c95aed7735096fcc2278bbd86b0ab581261a6aff6c694d7bb65e9be

Download Submit
\Users\Public\Videos\1641278467\ojbkcg.exe
MD5
89658291c24f32d1e0c85c257aa2cdce

SHA1
1ca3598a451b55a882199ae376a1a64d5539baed

SHA256
d557386ec5241dce148d4dadbba4f49425cbbdfcf3a5ab089858ba18ff20fc47

SHA512
2c08fdbaa7dc2c46707a395fb5ebdf3d7d2cabe6a4d7fae0aee1aa0867cd58866d42e94623f1d1371f798b1bf6a8304d7322f9eea7c249ed8a096623d815da39

Download Submit
memory/1100-65-0x0000000000000000-mapping.dmp

Download
memory/1100-69-0x0000000180001000-0x00000001803F3000-memory.dmp

Filesize
3.9MB

Download
memory/1100-71-0x00000001803F7000-0x0000000180547000-memory.dmp

Filesize
1.3MB

Download
memory/1100-70-0x00000001803F3000-0x00000001803F7000-memory.dmp

Filesize
16KB

Download
memory/1100-73-0x000000018083E000-0x000000018083F000-memory.dmp

Filesize
4KB

Download
memory/1100-72-0x0000000180815000-0x000000018083E000-memory.dmp

Filesize
164KB

Download
memory/1100-74-0x0000000001E70000-0x000000000268D000-memory.dmp

Filesize
8.1MB

Download
memory/1704-54-0x0000000075F91000-0x0000000075F93000-memory.dmp

Filesize
8KB

Download
memory/2028-56-0x0000000000000000-mapping.dmp

Download