15cfbb10c7d57ac85561df428563b1cd2438bac48862bbf3036e3700e7e36745

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
06/07/2024, 07:47

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General

Target

27c916afa6ee3bdc238da286659e20ba_JaffaCakes118.exe
Size

79KB
MD5

27c916afa6ee3bdc238da286659e20ba
SHA1

c4313e35bdf6d17f11c31f67e966544b26261263
SHA256

15cfbb10c7d57ac85561df428563b1cd2438bac48862bbf3036e3700e7e36745
SHA512

334e2ed6083f388dfe15f23d7de4a5140acb0be751e57c02da01e78ecb62b19bc236e41762cd216e35751d28abc5f4652b154c811ced80a0f890b47d08844fd0
SSDEEP

1536:IHTdVjDMIeEwHGgR92mIA7pt50IPHUlgc1oSmcqbHbuhYU5jZc57s6gQMe:ITM2wmoe+tL/iVNmG3jZcS6VMe

Score

7^/10

upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2828	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1144	IUkC0s0m.exe

Loads dropped DLL 2 IoCs

pid	Process
1656	27c916afa6ee3bdc238da286659e20ba_JaffaCakes118.exe
1656	27c916afa6ee3bdc238da286659e20ba_JaffaCakes118.exe

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1656-0-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral1/memory/1656-1-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral1/memory/1656-6-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral1/files/0x0004000000004ed7-11.dat	upx
behavioral1/memory/1144-21-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral1/memory/1144-22-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral1/memory/1144-26-0x0000000000400000-0x0000000000422000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\IUkC0s0m.exe	27c916afa6ee3bdc238da286659e20ba_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\IUkC0s0m.exe	27c916afa6ee3bdc238da286659e20ba_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\IUkC0s0m.exe.a_a	IUkC0s0m.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1656	27c916afa6ee3bdc238da286659e20ba_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 1144	1656	27c916afa6ee3bdc238da286659e20ba_JaffaCakes118.exe	32
PID 1656 wrote to memory of 1144	1656	27c916afa6ee3bdc238da286659e20ba_JaffaCakes118.exe	32
PID 1656 wrote to memory of 1144	1656	27c916afa6ee3bdc238da286659e20ba_JaffaCakes118.exe	32
PID 1656 wrote to memory of 1144	1656	27c916afa6ee3bdc238da286659e20ba_JaffaCakes118.exe	32
PID 1656 wrote to memory of 2828	1656	27c916afa6ee3bdc238da286659e20ba_JaffaCakes118.exe	33
PID 1656 wrote to memory of 2828	1656	27c916afa6ee3bdc238da286659e20ba_JaffaCakes118.exe	33
PID 1656 wrote to memory of 2828	1656	27c916afa6ee3bdc238da286659e20ba_JaffaCakes118.exe	33
PID 1656 wrote to memory of 2828	1656	27c916afa6ee3bdc238da286659e20ba_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\27c916afa6ee3bdc238da286659e20ba_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\27c916afa6ee3bdc238da286659e20ba_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Windows\SysWOW64\IUkC0s0m.exe
  "C:\Windows\system32\IUkC0s0m.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:1144
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\27C916~1.EXE > nul
  2⤵
  - Deletes itself
  PID:2828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Windows\SysWOW64\IUkC0s0m.exe

Filesize
79KB

MD5
27c916afa6ee3bdc238da286659e20ba

SHA1
c4313e35bdf6d17f11c31f67e966544b26261263

SHA256
15cfbb10c7d57ac85561df428563b1cd2438bac48862bbf3036e3700e7e36745

SHA512
334e2ed6083f388dfe15f23d7de4a5140acb0be751e57c02da01e78ecb62b19bc236e41762cd216e35751d28abc5f4652b154c811ced80a0f890b47d08844fd0

Download Submit
memory/1144-21-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1144-22-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1144-26-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1656-0-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1656-1-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1656-6-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1656-20-0x0000000002A00000-0x0000000002A22000-memory.dmp

Filesize
136KB

Download
memory/1656-19-0x0000000002A00000-0x0000000002A22000-memory.dmp

Filesize
136KB

Download