Analysis Overview
SHA256
19dea1877949b3d0b99cf91fdd68e376fbc74d25fc914ce497f00ca0ecff77ce
Threat Level: Known bad
The file 22c773d478e58709306d15cc86c6097e_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Formbook
Formbook payload
Adds policy Run key to start application
Deletes itself
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
Drops file in Program Files directory
Drops file in Windows directory
Unsigned PE
Modifies Internet Explorer settings
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Enumerates system info in registry
Suspicious behavior: MapViewOfSection
Suspicious use of UnmapMainImage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-08 02:19
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-08 02:19
Reported
2024-05-08 02:21
Platform
win7-20240221-en
Max time kernel
150s
Max time network
151s
Command Line
Signatures
Formbook
Formbook payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds policy Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run | C:\Windows\SysWOW64\chkdsk.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2456 set thread context of 2536 | N/A | C:\Users\Admin\AppData\Local\Temp\Doc53436.exe | C:\Users\Admin\AppData\Local\Temp\Doc53436.exe |
| PID 2536 set thread context of 1564 | N/A | C:\Users\Admin\AppData\Local\Temp\Doc53436.exe | C:\Users\Admin\AppData\Local\Temp\Doc53436.exe |
| PID 1564 set thread context of 1204 | N/A | C:\Users\Admin\AppData\Local\Temp\Doc53436.exe | C:\Windows\Explorer.EXE |
| PID 1564 set thread context of 1204 | N/A | C:\Users\Admin\AppData\Local\Temp\Doc53436.exe | C:\Windows\Explorer.EXE |
| PID 2836 set thread context of 1204 | N/A | C:\Windows\SysWOW64\chkdsk.exe | C:\Windows\Explorer.EXE |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Fabw\configkvkx8zr0.exe | C:\Windows\SysWOW64\chkdsk.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\win.ini | C:\Users\Admin\AppData\Local\Temp\Doc53436.exe | N/A |
| File opened for modification | C:\Windows\win.ini | C:\Users\Admin\AppData\Local\Temp\Doc53436.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier | C:\Windows\SysWOW64\chkdsk.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Doc53436.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Doc53436.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Doc53436.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\chkdsk.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\chkdsk.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\chkdsk.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\chkdsk.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\chkdsk.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\chkdsk.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\chkdsk.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\chkdsk.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\chkdsk.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\chkdsk.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\chkdsk.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\chkdsk.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\chkdsk.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\chkdsk.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\chkdsk.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\chkdsk.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\chkdsk.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\chkdsk.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Doc53436.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Doc53436.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Doc53436.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Doc53436.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\chkdsk.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\chkdsk.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Doc53436.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\chkdsk.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Doc53436.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Doc53436.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\Doc53436.exe
"C:\Users\Admin\AppData\Local\Temp\Doc53436.exe"
C:\Users\Admin\AppData\Local\Temp\Doc53436.exe
"C:\Users\Admin\AppData\Local\Temp\Doc53436.exe"
C:\Users\Admin\AppData\Local\Temp\Doc53436.exe
"C:\Users\Admin\AppData\Local\Temp\Doc53436.exe"
C:\Windows\SysWOW64\chkdsk.exe
"C:\Windows\SysWOW64\chkdsk.exe"
C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Doc53436.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.artscurator.net | udp |
| US | 8.8.8.8:53 | www.work-with-mfo.com | udp |
| US | 8.8.8.8:53 | www.l3vdinnqj.online | udp |
| US | 8.8.8.8:53 | www.mansim.com | udp |
| US | 13.248.169.48:80 | www.mansim.com | tcp |
Files
memory/2456-3-0x00000000003B0000-0x00000000003B6000-memory.dmp
memory/2456-4-0x0000000077921000-0x0000000077A22000-memory.dmp
memory/2456-5-0x0000000077920000-0x0000000077AC9000-memory.dmp
C:\Windows\win.ini
| MD5 | d2a2412bddba16d60ec63bd9550d933f |
| SHA1 | deb3d3bdc9055f0b4909b31d3048446848fae0e1 |
| SHA256 | 79ff2254e38192be1626d05bec6c82e10c85e1cf91df7440c4c443380a1e877a |
| SHA512 | 8fecada107f72e59e43a689eeb8e2e18fa6134d0941c122025ed5bd00e5eab8114d7125bd289505be75641385a0c3f112d402c693f142c3ddc870d5fa8116e31 |
memory/2536-12-0x00000000002A0000-0x00000000002A6000-memory.dmp
memory/2536-11-0x0000000077B10000-0x0000000077BE6000-memory.dmp
memory/1564-10-0x0000000000400000-0x000000000042A000-memory.dmp
memory/1564-13-0x0000000077920000-0x0000000077AC9000-memory.dmp
memory/1204-15-0x0000000002D80000-0x0000000002E80000-memory.dmp
memory/1204-16-0x0000000004BC0000-0x0000000004C9B000-memory.dmp
memory/1564-17-0x0000000000400000-0x000000000042A000-memory.dmp
memory/1564-18-0x0000000000400000-0x000000000042A000-memory.dmp
memory/1204-19-0x0000000006440000-0x0000000006505000-memory.dmp
memory/2836-23-0x0000000000770000-0x0000000000777000-memory.dmp
memory/2836-24-0x0000000000770000-0x0000000000777000-memory.dmp
memory/1204-25-0x0000000004BC0000-0x0000000004C9B000-memory.dmp
memory/1204-27-0x0000000006510000-0x00000000065D7000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-08 02:19
Reported
2024-05-08 02:21
Platform
win10v2004-20240419-en
Max time kernel
148s
Max time network
150s
Command Line
Signatures
Formbook
Formbook payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds policy Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run | C:\Windows\SysWOW64\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ZRPD-6S0ZD = "C:\\Program Files (x86)\\Xu6al\\8pn0or6ql.exe" | C:\Windows\SysWOW64\explorer.exe | N/A |
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3856 set thread context of 4212 | N/A | C:\Users\Admin\AppData\Local\Temp\Doc53436.exe | C:\Users\Admin\AppData\Local\Temp\Doc53436.exe |
| PID 4212 set thread context of 3476 | N/A | C:\Users\Admin\AppData\Local\Temp\Doc53436.exe | C:\Windows\Explorer.EXE |
| PID 4212 set thread context of 3476 | N/A | C:\Users\Admin\AppData\Local\Temp\Doc53436.exe | C:\Windows\Explorer.EXE |
| PID 3324 set thread context of 3476 | N/A | C:\Windows\SysWOW64\explorer.exe | C:\Windows\Explorer.EXE |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Xu6al\8pn0or6ql.exe | C:\Windows\SysWOW64\explorer.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\win.ini | C:\Users\Admin\AppData\Local\Temp\Doc53436.exe | N/A |
| File opened for modification | C:\Windows\win.ini | C:\Users\Admin\AppData\Local\Temp\Doc53436.exe | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \Registry\User\S-1-5-21-2860750803-256193626-1801997576-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 | C:\Windows\SysWOW64\explorer.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Doc53436.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Doc53436.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Doc53436.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Doc53436.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Doc53436.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Doc53436.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Doc53436.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\Doc53436.exe
"C:\Users\Admin\AppData\Local\Temp\Doc53436.exe"
C:\Users\Admin\AppData\Local\Temp\Doc53436.exe
"C:\Users\Admin\AppData\Local\Temp\Doc53436.exe"
C:\Users\Admin\AppData\Local\Temp\Doc53436.exe
"C:\Users\Admin\AppData\Local\Temp\Doc53436.exe"
C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.exe"
C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Doc53436.exe"
C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| 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 | 73.31.126.40.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.dynamicbrazil.win | udp |
| US | 8.8.8.8:53 | www.backstorysongs.com | udp |
| US | 192.0.78.25:80 | www.backstorysongs.com | tcp |
| US | 8.8.8.8:53 | 25.78.0.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.251.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.domidu.com | udp |
| US | 3.130.253.23:80 | www.domidu.com | tcp |
| US | 8.8.8.8:53 | 23.253.130.3.in-addr.arpa | udp |
| US | 3.130.253.23:80 | www.domidu.com | tcp |
| US | 3.130.253.23:80 | www.domidu.com | tcp |
| US | 8.8.8.8:53 | 48.229.111.52.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 | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.bhadrakmarket.com | udp |
| US | 8.8.8.8:53 | www.wsxyjx.com | udp |
| HK | 43.129.221.170:80 | www.wsxyjx.com | tcp |
| US | 8.8.8.8:53 | 170.221.129.43.in-addr.arpa | udp |
| HK | 43.129.221.170:80 | www.wsxyjx.com | tcp |
| HK | 43.129.221.170:80 | www.wsxyjx.com | tcp |
| US | 8.8.8.8:53 | www.palchecker.com | udp |
Files
memory/3784-2-0x0000000002140000-0x0000000002146000-memory.dmp
memory/3784-4-0x0000000076F81000-0x00000000770A1000-memory.dmp
C:\Windows\win.ini
| MD5 | 6bf517432f65eb7f0d18d574bf14124c |
| SHA1 | 5b9f37c1dd1318ebbec3bd2f07c109eb9d22c727 |
| SHA256 | 6e2b70dfccabf3cc651545676a3a566c9cfae03f15f772886646abce1da35b46 |
| SHA512 | 7b0cb8c20034585ec8bf4b45eda5eda5993a56e24931a7426dc5a9f081ec1f82545f3e26a48a4df885c8691fc6e8026d0808aebe3cc3358ba85ddca08ac4cb06 |
memory/3784-9-0x0000000002140000-0x0000000002146000-memory.dmp
memory/3856-10-0x0000000002110000-0x0000000002116000-memory.dmp
memory/4212-11-0x0000000000400000-0x000000000042A000-memory.dmp
memory/4212-13-0x0000000000400000-0x000000000042A000-memory.dmp
memory/3476-14-0x000000000AF00000-0x000000000B0A9000-memory.dmp
memory/3476-17-0x0000000007B00000-0x0000000007BE3000-memory.dmp
memory/4212-16-0x0000000000400000-0x000000000042A000-memory.dmp
memory/3324-21-0x0000000000AE0000-0x0000000000F13000-memory.dmp
memory/3324-23-0x0000000000AE0000-0x0000000000F13000-memory.dmp
memory/3476-24-0x000000000AF00000-0x000000000B0A9000-memory.dmp
memory/3476-26-0x0000000007B00000-0x0000000007BE3000-memory.dmp
memory/3476-27-0x0000000008C30000-0x0000000008DB7000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\DB1
| MD5 | a182561a527f929489bf4b8f74f65cd7 |
| SHA1 | 8cd6866594759711ea1836e86a5b7ca64ee8911f |
| SHA256 | 42aad7886965428a941508b776a666a4450eb658cb90e80fae1e7457fc71f914 |
| SHA512 | 9bc3bf5a82f6f057e873adebd5b7a4c64adef966537ab9c565fe7c4bb3582e2e485ff993d5ab8a6002363231958fabd0933b48811371b8c155eaa74592b66558 |
C:\Users\Admin\AppData\Roaming\47191082\471logrv.ini
| MD5 | bbc41c78bae6c71e63cb544a6a284d94 |
| SHA1 | 33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a |
| SHA256 | ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb |
| SHA512 | 0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4 |
C:\Users\Admin\AppData\Roaming\47191082\471logrg.ini
| MD5 | 4aadf49fed30e4c9b3fe4a3dd6445ebe |
| SHA1 | 1e332822167c6f351b99615eada2c30a538ff037 |
| SHA256 | 75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56 |
| SHA512 | eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945 |
C:\Users\Admin\AppData\Roaming\47191082\471logri.ini
| MD5 | d63a82e5d81e02e399090af26db0b9cb |
| SHA1 | 91d0014c8f54743bba141fd60c9d963f869d76c9 |
| SHA256 | eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae |
| SHA512 | 38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad |
C:\Users\Admin\AppData\Roaming\47191082\471logim.jpeg
| MD5 | dc21f5eb39b15d350362712222df9b01 |
| SHA1 | 21435796ca7efa60c57b87619a63d2ecee8deb9c |
| SHA256 | 1647943a457b1c50ffd2ff12a1f1fecaa3f88ffea6181e9cbd4a6c62ca64de36 |
| SHA512 | 07ebd3eaaf0f41d3dbc1191fc1ff1424961327760721a440ad59a4fbc663f3566000490752b135531e59727d2f65a3fbfe48ea28b8055d020cfab9b8aaf87b91 |