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Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
08/04/2024, 19:27
Static task
static1
Behavioral task
behavioral1
Sample
e839a7ebd4bf4a630749e04cf34e62ad_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
e839a7ebd4bf4a630749e04cf34e62ad_JaffaCakes118.exe
Resource
win10v2004-20240226-en
General
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Target
e839a7ebd4bf4a630749e04cf34e62ad_JaffaCakes118.exe
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Size
271KB
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MD5
e839a7ebd4bf4a630749e04cf34e62ad
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SHA1
12adba3923291f9d17fda545d7f9e112af184378
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SHA256
efcc3e0d27010b244563f684d50b801fc819f7359f477f36411fbc9afa112455
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SHA512
45b5e992d88f09b5b30e932f9cd20d40fbea10ecbb6f2a8ad6512de851787e42f778faef76eac478b47c4da53bf87e2e541d716217413a2652be22df872b8fb1
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SSDEEP
6144:q+FNvDu5NMsd+mF9gNMrhsgRx2aHNs8DtD1SpUxo:lFxDAdMmF94KZJ+h
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2356 a21ca86013a6bb5e.exe -
Executes dropped EXE 2 IoCs
pid Process 2356 a21ca86013a6bb5e.exe 4836 a21ca86013a6bb5e.exe -
resource yara_rule behavioral2/memory/2424-1-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/2356-6-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/2424-7-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/4836-9-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/2356-15-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/4836-16-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/2356-17-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/4836-18-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/2356-19-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/4836-20-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/2356-21-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/4836-22-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/2356-23-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/4836-24-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/2356-25-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/4836-26-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/2356-27-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/4836-28-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/2356-29-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/4836-30-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/2356-31-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/4836-32-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/2356-33-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/4836-34-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/2356-37-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/4836-38-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/2356-39-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/4836-40-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/2356-41-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/4836-42-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/2356-43-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/4836-44-0x0000000000400000-0x0000000000541000-memory.dmp upx -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System Health Monitoring Service Pro = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\a21ca86013a6bb5e.exe\"" a21ca86013a6bb5e.exe Set value (str) \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*System Health Monitoring Service Pro = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\a21ca86013a6bb5e.exe\"" a21ca86013a6bb5e.exe Set value (str) \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System Health Monitoring Service Pro = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\a21ca86013a6bb5e.exe\"" a21ca86013a6bb5e.exe Set value (str) \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*System Health Monitoring Service Pro = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\a21ca86013a6bb5e.exe\"" a21ca86013a6bb5e.exe -
Program crash 20 IoCs
pid pid_target Process procid_target 3876 2424 WerFault.exe 85 3956 2424 WerFault.exe 85 4036 2356 WerFault.exe 87 4052 4836 WerFault.exe 93 3908 2356 WerFault.exe 87 4500 2356 WerFault.exe 87 4360 2356 WerFault.exe 87 1100 2356 WerFault.exe 87 1620 2356 WerFault.exe 87 4796 2356 WerFault.exe 87 3100 2356 WerFault.exe 87 4092 2356 WerFault.exe 87 4088 2356 WerFault.exe 87 4164 2356 WerFault.exe 87 1492 2356 WerFault.exe 87 5036 2356 WerFault.exe 87 3268 2356 WerFault.exe 87 1640 2356 WerFault.exe 87 3152 2356 WerFault.exe 87 4984 4836 WerFault.exe 93 -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2424 wrote to memory of 2356 2424 e839a7ebd4bf4a630749e04cf34e62ad_JaffaCakes118.exe 87 PID 2424 wrote to memory of 2356 2424 e839a7ebd4bf4a630749e04cf34e62ad_JaffaCakes118.exe 87 PID 2424 wrote to memory of 2356 2424 e839a7ebd4bf4a630749e04cf34e62ad_JaffaCakes118.exe 87 PID 2356 wrote to memory of 4836 2356 a21ca86013a6bb5e.exe 93 PID 2356 wrote to memory of 4836 2356 a21ca86013a6bb5e.exe 93 PID 2356 wrote to memory of 4836 2356 a21ca86013a6bb5e.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\e839a7ebd4bf4a630749e04cf34e62ad_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e839a7ebd4bf4a630749e04cf34e62ad_JaffaCakes118.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2424 -
C:\Users\Admin\AppData\Local\Temp\a21ca86013a6bb5e.exe:*C:\Users\Admin\AppData\Local\Temp\e839a7ebd4bf4a630749e04cf34e62ad_JaffaCakes118.exe *2⤵
- Deletes itself
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2356 -
C:\Users\Admin\AppData\Local\Temp\a21ca86013a6bb5e.exea ZZZZZZXWUTG3⤵
- Executes dropped EXE
- Adds Run key to start application
PID:4836 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4836 -s 6164⤵
- Program crash
PID:4052
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4836 -s 6364⤵
- Program crash
PID:4984
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 6323⤵
- Program crash
PID:4036
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 8523⤵
- Program crash
PID:3908
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 9003⤵
- Program crash
PID:4500
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 9163⤵
- Program crash
PID:4360
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 9243⤵
- Program crash
PID:1100
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 10083⤵
- Program crash
PID:1620
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 10083⤵
- Program crash
PID:4796
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 11363⤵
- Program crash
PID:3100
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 15403⤵
- Program crash
PID:4092
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 16243⤵
- Program crash
PID:4088
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 15563⤵
- Program crash
PID:4164
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 16203⤵
- Program crash
PID:1492
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 17963⤵
- Program crash
PID:5036
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 13603⤵
- Program crash
PID:3268
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 8643⤵
- Program crash
PID:1640
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 8043⤵
- Program crash
PID:3152
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2424 -s 1442⤵
- Program crash
PID:3876
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2424 -s 1362⤵
- Program crash
PID:3956
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2424 -ip 24241⤵PID:3344
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2424 -ip 24241⤵PID:4652
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2356 -ip 23561⤵PID:4624
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4836 -ip 48361⤵PID:1056
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2356 -ip 23561⤵PID:2952
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2356 -ip 23561⤵PID:3812
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 2356 -ip 23561⤵PID:2120
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 2356 -ip 23561⤵PID:2608
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 2356 -ip 23561⤵PID:1920
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2356 -ip 23561⤵PID:1688
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2356 -ip 23561⤵PID:1828
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 2356 -ip 23561⤵PID:4380
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2356 -ip 23561⤵PID:2448
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2356 -ip 23561⤵PID:4832
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2356 -ip 23561⤵PID:1896
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2356 -ip 23561⤵PID:3220
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2356 -ip 23561⤵PID:4372
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 2356 -ip 23561⤵PID:2304
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2356 -ip 23561⤵PID:4568
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 4836 -ip 48361⤵PID:1276
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
271KB
MD59b6f998341a5f7eabfadc0aee8a44ce8
SHA12e285d8568552de38fabdf8509e10a9c18deb7dc
SHA2562e93ac3bf454c5b817157a7b60e1aad44a2952ca2a74fb2fa517afa4b0af6e44
SHA512973d30b5c79d34a96c2fada56b047d08ec190fc6a0ead9ead74399dda38d5accb49ba4519e1eac93063d3bf7f446fbddd8a4cebbc7beaf881a01ce765d0d559b